{"id":3663,"date":"2023-11-29T18:20:18","date_gmt":"2023-11-29T10:20:18","guid":{"rendered":"http:\/\/www.ponybai.com\/?p=3663"},"modified":"2023-11-21T18:43:37","modified_gmt":"2023-11-21T10:43:37","slug":"%e5%8a%a8%e6%80%81apex","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=3663","title":{"rendered":"\u52a8\u6001Apex"},"content":{"rendered":"\n<p>Dynamic Apex \u901a\u8fc7\u4e3a\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b \u80fd\u591f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbf\u95ee sObject \u548c\u5b57\u6bb5\u63cf\u8ff0\u4fe1\u606f<dfn>\u63cf\u8ff0\u4fe1\u606f<\/dfn>\u63d0\u4f9b\u6709\u5173 sObject \u548c\u5b57\u6bb5\u5c5e\u6027\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002 \u4f8b\u5982\uff0csObject \u7684\u63cf\u8ff0\u4fe1\u606f\u5305\u62ec \u8be5\u7c7b\u578b\u7684 sObject \u652f\u6301\u521b\u5efa\u6216\u53d6\u6d88\u5220\u9664\u7b49\u64cd\u4f5c\uff0c sObject \u7684\u540d\u79f0\u548c\u6807\u7b7e\u3001sObject \u7684\u5b57\u6bb5\u548c\u5b50\u5bf9\u8c61\uff0c \u7b49\u7b49\u3002\u5b57\u6bb5\u7684\u63cf\u8ff0\u4fe1\u606f\u5305\u62ec \u5b57\u6bb5\u6709\u9ed8\u8ba4\u503c\uff0c\u662f\u5426\u4e3a\u8ba1\u7b97\u5b57\u6bb5\uff0c\u7c7b\u578b \u7684\u9886\u57df\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002\u8bf7\u6ce8\u610f\uff0c\u63cf\u8ff0\u4fe1\u606f\u63d0\u4f9b \u6709\u5173\u7ec4\u7ec7\u4e2d<em>\u5bf9\u8c61<\/em>\u7684\u4fe1\u606f\uff0c\u800c\u4e0d\u662f\u4e2a\u4eba\u7684\u4fe1\u606f \u8bb0\u5f55\u3002<\/li>\n\n\n\n<li>\u8bbf\u95ee Salesforce \u5e94\u7528\u7a0b\u5e8f\u4fe1\u606f\u60a8\u53ef\u4ee5\u83b7\u53d6\u4ee5\u4e0b\u63cf\u8ff0\u4fe1\u606f Salesforce \u7528\u6237\u754c\u9762\u4e2d\u63d0\u4f9b\u7684\u6807\u51c6\u548c\u81ea\u5b9a\u4e49\u5e94\u7528\u7a0b\u5e8f\u3002\u6bcf\u4e2a\u5e94\u7528\u5bf9\u5e94\u4e00\u4e2a \u9009\u9879\u5361\u7684\u96c6\u5408\u3002\u63cf\u8ff0\u5e94\u7528\u7684\u4fe1\u606f\u5305\u62ec\u5e94\u7528\u7684\u6807\u7b7e\u3001\u547d\u540d\u7a7a\u95f4\u548c\u9009\u9879\u5361\u3002 \u9009\u9879\u5361\u7684\u63cf\u8ff0\u4fe1\u606f\u5305\u62ec\u4e0e\u9009\u9879\u5361\u5173\u8054\u7684 sObject\u3001\u9009\u9879\u5361\u56fe\u6807\u548c \u989c\u8272\u3002<\/li>\n\n\n\n<li>\u7f16\u5199\u52a8\u6001 SOQL\u00a0\u67e5\u8be2\u3001\u52a8\u6001\u00a0SOSL \u67e5\u8be2\u548c\u52a8\u6001 DML<dfn>\u52a8\u6001 SOQL \u548c<\/dfn>\u00a0SOSL \u67e5\u8be2\u63d0\u4f9b\u4e86\u5c06 SOQL \u6216 SOSL \u4f5c\u4e3a \u5b57\u7b26\u4e32\uff0c\u800c<dfn>\u52a8\u6001 DML<\/dfn>\u00a0\u63d0\u4f9b\u4e86\u521b\u5efa\u8bb0\u5f55\u7684\u80fd\u529b \u52a8\u6001\uff0c\u7136\u540e\u4f7f\u7528 DML \u5c06\u5176\u63d2\u5165\u6570\u636e\u5e93\u3002\u4f7f\u7528\u52a8\u6001 SOQL\u3001SOSL \u548c DML\uff0c \u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u7cbe\u786e\u5730\u9488\u5bf9\u7ec4\u7ec7\u4ee5\u53ca\u7528\u6237\u7684 \u6743\u9650\u3002\u00a0\u8fd9\u5bf9\u4e8e\u4ece\u4ee5\u4e0b\u4f4d\u7f6e\u5b89\u88c5\u7684\u5e94\u7528\u7a0b\u5e8f\u975e\u5e38\u6709\u7528 AppExchange\u3002<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e86\u89e3 Apex Describe \u4fe1\u606f<\/li>\n\n\n\n<li>\u4f7f\u7528\u5b57\u6bb5\u4ee4\u724c<\/li>\n\n\n\n<li>\u4e86\u89e3\u63cf\u8ff0\u4fe1\u606f\u6743\u9650<\/li>\n\n\n\n<li>\u4f7f\u7528 Schema \u65b9\u6cd5\u63cf\u8ff0 sObjects<\/li>\n\n\n\n<li>\u4f7f\u7528\u67b6\u6784\u65b9\u6cd5\u63cf\u8ff0\u9009\u9879\u5361<\/li>\n\n\n\n<li>\u8bbf\u95ee\u6240\u6709 sObject<\/li>\n\n\n\n<li>\u8bbf\u95ee\u4e0e sObject \u5173\u8054\u7684\u6240\u6709\u6570\u636e\u7c7b\u522b<\/li>\n\n\n\n<li>\u52a8\u6001 SOQL<\/li>\n\n\n\n<li>\u52a8\u6001 SOSL<\/li>\n\n\n\n<li>\u52a8\u6001 DML<\/li>\n<\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e86\u89e3 Apex Describe \u4fe1\u606f<\/h1>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528\u6807\u8bb0\u6216 Schema \u65b9\u6cd5\u63cf\u8ff0 sObjects\u3002<samp>describeSObjects<\/samp><\/p>\n\n\n\n<p>Apex \u63d0\u4f9b\u4e86\u4e24\u79cd\u6570\u636e\u7ed3\u6784\u548c\u4e00\u79cd\u7528\u4e8e sObject \u548c\u5b57\u6bb5\u63cf\u8ff0\u4fe1\u606f\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><dfn>\u4ee4\u724c<\/dfn>&nbsp;&#8211; \u5bf9 sObject \u6216\u5b57\u6bb5\u7684\u8f7b\u91cf\u7ea7\u3001\u53ef\u5e8f\u5217\u5316\u5f15\u7528 \u5728\u7f16\u8bd1\u65f6\u8fdb\u884c\u9a8c\u8bc1\u3002\u8fd9\u7528\u4e8e\u4ee4\u724c\u63cf\u8ff0\u3002<\/li>\n\n\n\n<li>\u65b9\u6cd5 &#8211; \u7c7b\u4e2d\u5bf9\u4e00\u4e2a\u6216\u591a\u4e2a\u6267\u884c\u63cf\u8ff0\u7684\u65b9\u6cd5 sObject \u7c7b\u578b\u3002<samp>describeSObjects<\/samp><samp>Schema<\/samp><\/li>\n\n\n\n<li><dfn>Describe result<\/dfn>&nbsp;&#8211; \u5305\u542b s\u5bf9\u8c61\u6216\u5b57\u6bb5\u3002Describe \u7ed3\u679c\u5bf9\u8c61\u4e0d\u53ef\u5e8f\u5217\u5316\uff0c\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u9a8c\u8bc1\u3002 \u5728\u6267\u884c\u63cf\u8ff0\u65f6\uff0c\u5c06\u8fd4\u56de\u6b64\u7ed3\u679c\u5bf9\u8c61\uff0c\u4f7f\u7528 sObject \u6807\u8bb0\u6216 \u65b9\u6cd5\u3002<samp>Schema.DescribeSObjectResult<\/samp><samp>describeSObjects<\/samp><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u4ee4\u724c\u63cf\u8ff0 sObject<\/h2>\n\n\n\n<p>\u8fd9\u5f88\u5bb9\u6613 \u4ece\u6807\u8bb0\u79fb\u52a8\u5230\u5176\u63cf\u8ff0\u7ed3\u679c\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002sObject \u548c\u5b57\u6bb5\u6807\u8bb0\u90fd\u5177\u6709 \u8fd4\u56de\u63cf\u8ff0\u7ed3\u679c\u7684\u65b9\u6cd5 \u5bf9\u4e8e\u8be5\u4ee4\u724c\u3002\u5728\u63cf\u8ff0\u7ed3\u679c\u4e2d\uff0c\u548c\u65b9\u6cd5 \u5206\u522b\u8fd4\u56de sObject \u548c field \u7684\u6807\u8bb0\u3002<samp>getDescribe<\/samp><samp>getSObjectType<\/samp><samp>getSObjectField<\/samp><\/p>\n\n\n\n<p>\u56e0\u4e3a\u4ee4\u724c\u662f\u8f7b\u91cf\u7ea7\u7684\uff0c \u4f7f\u7528\u5b83\u4eec\u53ef\u4ee5\u4f7f\u60a8\u7684\u4ee3\u7801\u66f4\u5feb\u3001\u66f4\u9ad8\u6548\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 sObject \u6216\u5b57\u6bb5\uff0c\u5f53\u60a8\u786e\u5b9a\u4ee3\u7801\u7684 sObject \u6216\u5b57\u6bb5\u7684\u7c7b\u578b\u65f6 \u9700\u8981\u4f7f\u7528\u3002\u53ef\u4ee5\u4f7f\u7528\u76f8\u7b49\u8fd0\u7b97\u7b26 \uff08\uff09 \u6bd4\u8f83\u4ee4\u724c\uff0c\u4ee5\u786e\u5b9a sObject \u662f\u5426\u4e3a Account \u5bf9\u8c61\uff0c\u56e0\u4e3a example\uff0c\u6216\u8005\u5b57\u6bb5\u662f&nbsp;Name&nbsp;\u5b57\u6bb5\u8fd8\u662f\u81ea\u5b9a\u4e49\u8ba1\u7b97\u5b57\u6bb5\u3002<samp>==<\/samp><\/p>\n\n\n\n<p>\u4ee5\u4e0b\u4ee3\u7801\u63d0\u4f9b\u4e86\u5982\u4f55\u4f7f\u7528\u4ee4\u724c\u548c\u63cf\u8ff0\u7ed3\u679c\u7684\u4e00\u822c\u793a\u4f8b \u8bbf\u95ee\u6709\u5173 sObject \u548c\u5b57\u6bb5\u7684\u4fe1\u606f \u6027\u80fd\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Create a new account as the generic type sObject\nsObject s = new Account();\n\n\/\/ Verify that the generic sObject is an Account sObject\nSystem.assert(s.getsObjectType() == Account.sObjectType);\n\n\/\/ Get the sObject describe result for the Account object\nSchema.DescribeSObjectResult dsr = Account.sObjectType.getDescribe();\n\n\/\/ Get the field describe result for the Name field on the Account object\nSchema.DescribeFieldResult dfr = Schema.sObjectType.Account.fields.Name;\n\n\/\/ Verify that the field token is the token for the Name field on an Account object\nSystem.assert(dfr.getSObjectField() == Account.Name);\n\n\/\/ Get the field describe result from the token\ndfr = dfr.getSObjectField().getDescribe();<\/code><\/pre>\n\n\n\n<p>\u4ee5\u4e0b\u7b97\u6cd5\u663e\u793a\u4e86\u60a8\u5982\u4f55 \u53ef\u4ee5\u5728 Apex \u4e2d\u4f7f\u7528\u63cf\u8ff0\u4fe1\u606f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e3a\u7ec4\u7ec7\u4e2d\u7684 sObject \u751f\u6210\u4ee4\u724c\u5217\u8868\u6216\u6620\u5c04\uff08\u8bf7\u53c2\u9605\u8bbf\u95ee\u6240\u6709 sObject\u3002<\/li>\n\n\n\n<li>\u786e\u5b9a\u9700\u8981\u8bbf\u95ee\u7684 sObject\u3002<\/li>\n\n\n\n<li>\u751f\u6210 sObject \u7684\u63cf\u8ff0\u7ed3\u679c\u3002<\/li>\n\n\n\n<li>\u5982\u6709\u5fc5\u8981\uff0c\u8bf7\u4e3a sObject \u751f\u6210\u5b57\u6bb5\u6807\u8bb0\u7684\u6620\u5c04\uff08\u8bf7\u53c2\u9605\u8bbf\u95ee\u6240\u6709\u5b57\u6bb5\u63cf\u8ff0\u7ed3\u679c\u4ee5\u83b7\u53d6 sObject\u3002<\/li>\n\n\n\n<li>\u4e3a\u4ee3\u7801\u9700\u8981\u8bbf\u95ee\u7684\u5b57\u6bb5\u751f\u6210\u63cf\u8ff0\u7ed3\u679c\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>\u4f7f\u7528 sObject \u4ee4 \u724c<\/h2>\n\n\n\n<p>SObjects\uff0c\u5982 Account \u548c MyCustomObject__c\uff0c\u5145\u5f53\u5177\u6709\u7279\u6b8a static \u7684\u9759\u6001\u7c7b \u7528\u4e8e\u8bbf\u95ee\u4ee4\u724c\u548c\u63cf\u8ff0\u7ed3\u679c\u4fe1\u606f\u7684\u65b9\u6cd5\u548c\u6210\u5458\u53d8\u91cf\u3002\u60a8\u5fc5\u987b \u5728\u7f16\u8bd1\u65f6\u663e\u5f0f\u5f15\u7528 sObject \u548c\u5b57\u6bb5\u540d\u79f0\u4ee5\u83b7\u53d6\u5bf9 describe \u7684\u8bbf\u95ee\u6743\u9650 \u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u82e5\u8981\u8bbf\u95ee sObject \u7684\u4ee4\u724c\uff0c\u8bf7\u4f7f\u7528\u4e0b\u5217\u65b9\u6cd5\u4e4b\u4e00\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbf\u95ee sObject \u4e0a\u7684\u6210\u5458\u53d8\u91cf \u7c7b\u578b\uff0c\u4f8b\u5982 Account\u3002<samp>sObjectType<\/samp><\/li>\n\n\n\n<li>\u5728 sObject \u4e0a\u8c03\u7528\u8be5\u65b9\u6cd5 describe result\u3001sObject \u53d8\u91cf\u3001\u5217\u8868\u6216\u6620\u5c04\u3002<samp>getSObjectType<\/samp><\/li>\n<\/ul>\n\n\n\n<p><samp>Schema.SObjectType<\/samp>\u662f sObject \u7684\u6570\u636e\u7c7b\u578b \u4ee4 \u724c\u3002<\/p>\n\n\n\n<p>\u5728\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0c\u8fd4\u56de Account sObject \u7684\u4ee4\u724c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Schema.sObjectType t = Account.sObjectType;<\/code><\/pre>\n\n\n\n<p>\u4ee5\u4e0b\u547d\u4ee4\u8fd8\u8fd4\u56de\u5e10\u6237 sObject \u7684\u4ee4\u724c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Account a = new Account();\nSchema.sObjectType t = a.getSObjectType();<\/code><\/pre>\n\n\n\n<p>\u6b64\u793a\u4f8b\u53ef\u7528\u4e8e\u786e\u5b9a sObject \u6216 sObject \u5217\u8868\u662f\u5426\u5c5e\u4e8e \u7279\u6b8a\u7c7b\u578b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Create a generic sObject variable s\nSObject s = Database.query('SELECT Id FROM Account LIMIT 1');\n\n\/\/ Verify if that sObject variable is an Account token\nSystem.assertEquals(s.getSObjectType(), Account.sObjectType);\n\n\/\/ Create a list of generic sObjects \nList&lt;sObject&gt; sobjList = new Account&#91;]{};\n\n\/\/ Verify if the list of sObjects contains Account tokens\nSystem.assertEquals(sobjList.getSObjectType(), Account.sObjectType);<\/code><\/pre>\n\n\n\n<p>\u67d0\u4e9b\u6807\u51c6 sObject \u5177\u6709\u4e00\u4e2a\u540d\u4e3a \u7684\u5b57\u6bb5\uff0c\u4f8b\u5982 AssignmentRule\u3001QueueSObject \u548c RecordType\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u7c7b\u578b \u7684 sObjects\uff0c\u8bf7\u59cb\u7ec8\u4f7f\u7528 \u68c0\u7d22\u4ee4\u724c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f7f\u7528\u8be5\u5c5e\u6027\uff0c\u5219\u8fd4\u56de\u8be5\u5b57\u6bb5\u3002<samp>sObjectType<\/samp><samp>getSObjectType<\/samp><samp>RecordType.sObjectType<\/samp><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>\u4f7f\u7528 \u83b7\u53d6 sObject \u63cf\u8ff0\u7ed3\u679c \u4ee4 \u724c<\/h2>\n\n\n\n<p>\u8981\u8bbf\u95ee sObject\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4e4b\u4e00\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728 sObject \u4e0a\u8c03\u7528\u8be5\u65b9\u6cd5 \u4ee4 \u724c\u3002<samp>getDescribe<\/samp><\/li>\n\n\n\n<li>\u5c06 Schema \u9759\u6001\u53d8\u91cf\u4e0e sObject \u7684\u540d\u79f0\u3002\u4f8b\u5982\u3002<samp>sObjectType<\/samp><samp>Schema.sObjectType.Lead<\/samp><\/li>\n<\/ul>\n\n\n\n<p><samp>Schema.DescribeSObjectResult<\/samp>\u662f\u6570\u636e type \u4f5c\u4e3a sObject \u63cf\u8ff0\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u7684\u793a\u4f8b\u5bf9 sObject \u4f7f\u7528\u8be5\u65b9\u6cd5 \u4ee4 \u724c\uff1a<samp>getDescribe<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Schema.DescribeSObjectResult dsr = Account.sObjectType.getDescribe();<\/code><\/pre>\n\n\n\n<p>\u8fd9 \u4ee5\u4e0b\u793a\u4f8b\u4f7f\u7528 Schema static \u6210\u5458 \u53d8\u91cf\uff1a<\/p>\n\n\n\n<p><samp>sObjectType<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Schema.DescribeSObjectResult dsr = Schema.SObjectType.Account;<\/code><\/pre>\n\n\n\n<p>\u4e3a \u6709\u5173 sObject \u63cf\u8ff0\u7ed3\u679c\u53ef\u7528\u7684\u65b9\u6cd5\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u00a0<a href=\"https:\/\/developer.salesforce.com\/docs\/atlas.en-us.246.0.apexref.meta\/apexref\/apex_methods_system_sobject_describe.htm\" target=\"_blank\" rel=\"noreferrer noopener\">DescribeSObjectResultClass<\/a>\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u4f7f\u7528\u5b57\u6bb5\u4ee4\u724c<\/h1>\n\n\n\n<p>\u82e5\u8981\u8bbf\u95ee\u5b57\u6bb5\u7684\u4ee4\u724c\uff0c\u8bf7\u4f7f\u7528\u4e0b\u5217\u65b9\u6cd5\u4e4b\u4e00\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8bbf\u95ee sObject \u9759\u6001\u7c7b\u578b\u7684\u9759\u6001\u6210\u5458\u53d8\u91cf\u540d\u79f0\uff0c\u4f8b\u5982 .<samp>Account.Name<\/samp><\/li>\n\n\n\n<li>\u5728\u5b57\u6bb5\u4e0a\u8c03\u7528\u65b9\u6cd5 \u63cf\u8ff0\u7ed3\u679c\u3002<samp>getSObjectField<\/samp><\/li>\n<\/ul>\n\n\n\n<p>\u5b57\u6bb5 token \u4f7f\u7528\u6570\u636e\u7c7b\u578b \u3002<samp>Schema.SObjectField<\/samp><\/p>\n\n\n\n<p>\u5728\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0c\u4e3a Account \u5bf9\u8c61\u7684\u5b57\u6bb5\u8fd4\u56de\u5b57\u6bb5 token\uff1a<samp>Description<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Schema.SObjectField fieldToken = Account.Description;<\/code><\/pre>\n\n\n\n<p>\u5728\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0c\u5b57\u6bb5 token \u662f\u4ece\u5b57\u6bb5 describe result \u8fd4\u56de\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Get the describe result for the Name field on the Account object\nSchema.DescribeFieldResult dfr = Schema.sObjectType.Account.fields.Name;\n\n\/\/ Verify that the field token is the token for the Name field on an Account object\nSystem.assert(dfr.getSObjectField() == Account.Name);\n\n\/\/ Get the describe result from the token\ndfr = dfr.getSObjectField().getDescribe();<\/code><\/pre>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p><a><\/a>\u5b57\u6bb5\u4ee4\u724c\u4e0d\u9002\u7528\u4e8e\u4e2a\u4eba\u5e10\u6237\u3002\u5982\u679c\u4f60 \u8bbf\u95ee \u51fa\u73b0\u5f02\u5e38\u9519\u8bef\u3002\u76f8\u53cd\uff0c\u5c06\u5b57\u6bb5\u540d\u79f0\u6307\u5b9a\u4e3a\u5b57\u7b26\u4e32\u3002<samp>Schema.Account.<var>fieldname<\/var><\/samp><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>\u4f7f\u7528\u5b57\u6bb5\u63cf\u8ff0 \u7ed3\u679c<\/h2>\n\n\n\n<p>\u8981\u8bbf\u95ee \u5b57\u6bb5\u4e2d\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4e4b\u4e00\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5728\u5b57\u6bb5\u4e0a\u8c03\u7528\u65b9\u6cd5 \u4ee4 \u724c\u3002<samp>getDescribe<\/samp><\/li>\n\n\n\n<li>\u8bbf\u95ee sObject \u7684\u6210\u5458\u53d8\u91cf \u5177\u6709\u5b57\u6bb5\u6210\u5458\u53d8\u91cf\uff08\u5982 \u3001 \u7b49\uff09\u7684\u4ee4\u724c\u3002<samp>fields<\/samp><samp>Name<\/samp><samp>BillingCity<\/samp><\/li>\n<\/ul>\n\n\n\n<p>\u5b57\u6bb5 describe result \u4f7f\u7528\u6570\u636e\u7c7b\u578b \u3002<samp>Schema.DescribeFieldResult<\/samp><\/p>\n\n\n\n<p>\u4e0b\u9762\u7684\u793a\u4f8b\u4f7f\u7528\u8be5\u65b9\u6cd5\uff1a<samp>getDescribe<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Schema.DescribeFieldResult dfr = Account.Description.getDescribe();<\/code><\/pre>\n\n\n\n<p>\u8fd9 \u793a\u4f8b\u4f7f\u7528 Member \u53d8\u91cf\u65b9\u6cd5\uff1a<samp>fields<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Schema.DescribeFieldResult dfr = Schema.SObjectType.Account.fields.Name;<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u7cfb\u7edf\u4f7f\u7528\u7279\u6b8a\u89e3\u6790\u6765\u9a8c\u8bc1 \u6700\u7ec8\u6210\u5458\u53d8\u91cf \uff08\uff09 \u5bf9 \u5728\u7f16\u8bd1\u65f6\u6307\u5b9a\u7684 sObject\u3002\u5f53\u89e3\u6790\u5668\u627e\u5230\u6210\u5458\u53d8\u91cf\u65f6\uff0c\u5b83\u4f1a\u5411\u540e\u67e5\u627e sObject \u7684\u540d\u79f0 ().\u5b83\u9a8c\u8bc1\u5b57\u6bb5\u540d\u79f0 \u8ddf\u5728 Member \u53d8\u91cf\u540e\u9762\u662f\u5408\u6cd5\u7684\u3002 \u6210\u5458\u53d8\u91cf\u4ec5\u5728 \u8fd9\u79cd\u65b9\u5f0f\u3002<samp>Name<\/samp><samp>fields<\/samp><samp>Account<\/samp><samp>fields<\/samp><samp>fields<\/samp><\/p>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p>\u4e0d\u8981\u4f7f\u7528\u6210\u5458 \u53d8\u91cf\uff0c\u800c\u4e0d\u4f7f\u7528\u5b57\u6bb5\u6210\u5458\u53d8\u91cf\u540d\u79f0\u6216\u65b9\u6cd5\u3002\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u4e0b\u4e00\u8282\u3002<samp>fields<\/samp><samp>getMap<\/samp><samp>getMap<\/samp><\/p>\n\n\n\n<p>\u67e5\u770b\u66f4\u591a \u6709\u5173\u5b57\u6bb5 describe result \u53ef\u7528\u7684\u65b9\u6cd5\u7684\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u00a0DescribeFieldResultClass\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>\u8bbf\u95ee\u6240\u6709\u5b57\u6bb5\u63cf\u8ff0\u7ed3\u679c \u5bf9\u4e8e sObject<\/h2>\n\n\n\n<p>\u4f7f\u7528\u5b57\u6bb5 describe result \u7684\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u6620\u5c04\uff0c\u8be5\u6620\u5c04\u8868\u793a \u6240\u6709\u5b57\u6bb5\u540d\u79f0\uff08\u952e\uff09\u548c\u5b57\u6bb5\u6807\u8bb0\uff08\u503c\uff09\u4e4b\u95f4\u7684\u5173\u7cfb s\u5bf9\u8c61\u3002<samp>getMap<\/samp><\/p>\n\n\n\n<p>\u4ee5\u4e0b\u793a\u4f8b\u751f\u6210\u4e00\u4e2a\u6620\u5c04\uff0c\u8be5\u6620\u5c04\u53ef\u7528\u4e8e\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u8bbf\u95ee\u5b57\u6bb5 \u540d\u5b57\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Map&lt;String, Schema.SObjectField&gt; fieldMap = Schema.SObjectType.Account.fields.getMap();<\/code><\/pre>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p>\u8fd9 \u6b64\u6620\u5c04\u7684\u503c\u7c7b\u578b\u4e0d\u662f\u5b57\u6bb5\u63cf\u8ff0\u7ed3\u679c\u3002\u4f7f\u7528\u63cf\u8ff0\u7ed3\u679c\u9700\u8981 \u7cfb\u7edf\u8d44\u6e90\u8fc7\u591a\u3002\u76f8\u53cd\uff0c\u5b83\u662f\u4e00\u4e2a\u4ee4\u724c\u6620\u5c04\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u67e5\u627e \u9002\u5f53\u7684\u5b57\u6bb5\u3002\u786e\u5b9a\u5b57\u6bb5\u540e\uff0c\u751f\u6210 \u5b83\u3002<\/p>\n\n\n\n<p>\u8be5\u5730\u56fe\u5177\u6709\u4ee5\u4e0b\u7279\u5f81\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b83\u662f\u52a8\u6001\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u662f\u5728\u8fd0\u884c\u65f6\u5728\u8be5 sObject \u7684\u5b57\u6bb5\u4e0a\u751f\u6210\u7684\u3002<\/li>\n\n\n\n<li>\u6240\u6709\u5b57\u6bb5\u540d\u79f0\u5747\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u3002<\/li>\n\n\n\n<li>\u5bc6\u94a5\u6839\u636e\u9700\u8981\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u3002<\/li>\n\n\n\n<li>\u8fd9\u4e9b\u952e\u53cd\u6620\u5b57\u6bb5\u662f\u5426\u4e3a\u81ea\u5b9a\u4e49\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b57\u6bb5\u63cf\u8ff0\u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<p>\u63cf\u8ff0\u5b57\u6bb5\u65f6\uff0c\u8bf7\u6ce8\u610f\u4ee5\u4e0b\u4e8b\u9879\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ece\u5df2\u5b89\u88c5\u7684\u6258\u7ba1\u5305\u4e2d\u6267\u884c\u7684\u5b57\u6bb5\u63cf\u8ff0\u5c06\u8fd4\u56de \u5373\u4f7f\u672a\u5728\u5b89\u88c5\u7ec4\u7ec7\u4e2d\u542f\u7528 Chatter\uff0c\u4e5f\u4f1a\u4f7f\u7528 Chatter \u5b57\u6bb5\u3002\u8fd9\u4e0d\u662f \u5982\u679c\u5b57\u6bb5 describe \u662f\u4ece\u4e0d\u5728\u5df2\u5b89\u88c5\u7684\u6258\u7ba1\u7c7b\u4e2d\u6267\u884c\u7684\uff0c\u5219\u4e3a true \u5305\u3002<\/li>\n\n\n\n<li><a><\/a>\u5f53\u60a8\u4ece \u5728 Apex \u7c7b\u4e2d\uff0c\u65e0\u8bba \u4fdd\u5b58\u7c7b\u7684 API \u7248\u672c\u3002\u5982\u679c\u5b57\u6bb5\u7c7b\u578b\uff0c\u4f8b\u5982\u5730\u7406\u4f4d\u7f6e\u5b57\u6bb5 type\uff0c\u4ec5\u5728\u6700\u65b0\u7684 API \u7248\u672c\u4e2d\u53ef\u7528\uff0c\u5730\u7406\u4f4d\u7f6e\u5b57\u6bb5\u7684\u7ec4\u4ef6\u662f \u5373\u4f7f\u8be5\u7c7b\u4fdd\u5b58\u5728\u65e9\u671f\u7684 API \u7248\u672c\u4e2d\uff0c\u4e5f\u8fd4\u56de\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u7248\u672c\u5316\u884c\u4e3a\u66f4\u6539<\/h2>\n\n\n\n<p>\u5728 API \u7248\u672c 34.0 \u53ca\u66f4\u9ad8\u7248\u672c\u4e2d\uff0c\u81ea\u5b9a\u4e49 SObjectType \u4e0a\u7684 Schema.DescribeSObjectResult \u5305\u62ec\u4ee5\u547d\u540d\u7a7a\u95f4\u4e3a\u524d\u7f00\u7684\u6620\u5c04\u952e\uff0c\u5373\u4f7f\u547d\u540d\u7a7a\u95f4\u662f\u5f53\u524d\u547d\u540d\u7a7a\u95f4\u7684\u547d\u540d\u7a7a\u95f4 \u6267\u884c\u4ee3\u7801\u3002\u5982\u679c\u60a8\u4f7f\u7528\u591a\u4e2a\u547d\u540d\u7a7a\u95f4\u5e76\u751f\u6210\u8fd0\u884c\u65f6\u63cf\u8ff0\u6570\u636e\uff0c \u8bf7\u786e\u4fdd\u4ee3\u7801\u4f7f\u7528\u547d\u540d\u7a7a\u95f4\u524d\u7f00\u6b63\u786e\u8bbf\u95ee\u5bc6\u94a5\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e86\u89e3\u63cf\u8ff0\u4fe1\u606f\u6743\u9650<\/h1>\n\n\n\n<p>Apex \u7c7b\u548c\u89e6\u53d1\u5668\u5728\u7cfb\u7edf\u6a21\u5f0f\u4e0b\u8fd0\u884c\u3002\u7c7b\u548c\u89e6\u53d1\u5668\u5bf9 \u52a8\u6001\u67e5\u627e\u7ec4\u7ec7\u4e2d\u53ef\u7528\u7684\u4efb\u4f55 sObject\u3002\u60a8\u53ef\u4ee5\u751f\u6210\u6240\u6709 \u7ec4\u7ec7\u7684 sObjects\uff0c\u800c\u4e0d\u8003\u8651\u5f53\u524d\u7528\u6237\u7684\u6743\u9650\uff0c\u9664\u975e\u60a8\u6b63\u5728\u6267\u884c \u533f\u540d\u9876\u70b9\u3002<\/p>\n\n\n\n<p>\u5f53\u60a8\u5728\u533f\u540d\u5757\u4e2d\u6267\u884c\u63cf\u8ff0\u8c03\u7528\u65f6\uff0c\u7528\u6237\u6743\u9650\u5f88\u91cd\u8981\u3002\u56e0\u6b64\uff0c \u5982\u679c\u5bf9\u6b63\u5728\u8fd0\u884c\u7684\u7528\u6237\u7684\u8bbf\u95ee\u53d7\u5230\u9650\u5236\uff0c\u5219\u5e76\u975e\u6240\u6709 sObject \u548c\u5b57\u6bb5\u90fd\u53ef\u4ee5\u67e5\u627e\u3002\u4e3a \u4f8b\u5982\uff0c\u5982\u679c\u60a8\u5728\u533f\u540d\u533a\u5757\u4e2d\u63cf\u8ff0\u5e10\u6237\u5b57\u6bb5\uff0c\u5e76\u4e14\u60a8\u65e0\u6743\u8bbf\u95ee\u6240\u6709\u5b57\u6bb5 \u5b57\u6bb5\uff0c\u4f46\u5e76\u975e\u6240\u6709\u5b57\u6bb5\u90fd\u4f1a\u8fd4\u56de\u3002\u4f46\u662f\uff0c\u5bf9\u4e8e\u540c\u4e00\u8c03\u7528\uff0c\u5c06\u8fd4\u56de\u6240\u6709\u5b57\u6bb5 \u9876\u70b9\u7c7b\u3002<\/p>\n\n\n\n<p>\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u201c\u5173\u4e8e\u5305\u4e2d\u7684 API \u548c\u52a8\u6001\u9876\u70b9\u8bbf\u95ee\u201d Salesforce \u5e2e\u52a9\u3002<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u4f7f\u7528 Schema \u65b9\u6cd5\u63cf\u8ff0 sObjects<\/h1>\n\n\n\n<p>\u4f5c\u4e3a\u4f7f\u7528\u4ee4\u724c\u7684\u66ff\u4ee3\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u63cf\u8ff0 sObjects \u8c03\u7528 Schema \u65b9\u6cd5\u5e76\u4f20\u9012\u4e00\u4e2a\u6216\u591a\u4e2a sObject \u7c7b\u578b\u540d\u79f0 s\u8981\u63cf\u8ff0\u7684\u5bf9\u8c61\u3002<samp>describeSObjects<\/samp><\/p>\n\n\n\n<p>\u6b64\u793a\u4f8b\u83b7\u53d6\u4e24\u4e2a sObject \u7684\u63cf\u8ff0\u5143\u6570\u636e\u4fe1\u606f types &#8211; Account \u6807\u51c6\u5bf9\u8c61\u548c\u81ea\u5b9a\u4e49Merchandise__c\u5bf9\u8c61 \u5bf9\u8c61\u3002\u83b7\u53d6\u6bcf\u4e2a sObject \u7684\u63cf\u8ff0\u7ed3\u679c\u540e\uff0c\u8fd9 example \u5c06\u8fd4\u56de\u7684\u4fe1\u606f\u5199\u5165\u8c03\u8bd5\u8f93\u51fa\uff0c\u4f8b\u5982 \u4f5c\u4e3a sObject \u6807\u7b7e\uff0c\u5b57\u6bb5\u6570\uff0c\u662f\u5426\u4e3a\u81ea\u5b9a\u4e49\u5bf9\u8c61 \u6216\u4e0d\uff0c\u4ee5\u53ca\u5b50\u5173\u7cfb\u7684\u6570\u91cf\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ sObject types to describe\nString&#91;] types = new String&#91;]{'Account','Merchandise__c'};\n\n\/\/ Make the describe call\nSchema.DescribeSobjectResult&#91;] results = Schema.describeSObjects(types);\n\nSystem.debug('Got describe information for ' + results.size() + ' sObjects.');\n\n\/\/ For each returned result, get some info\nfor(Schema.DescribeSobjectResult res : results) {\n    System.debug('sObject Label: ' + res.getLabel());\n    System.debug('Number of fields: ' + res.fields.getMap().size());\n    System.debug(res.isCustom() ? 'This is a custom object.' : 'This is a standard object.');\n    \/\/ Get child relationships\n    Schema.ChildRelationship&#91;] rels = res.getChildRelationships();\n    if (rels.size() &gt; 0) {\n        System.debug(res.getName() + ' has ' + rels.size() + ' child relationships.');\n    }\n}<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\">\u4f7f\u7528\u67b6\u6784\u65b9\u6cd5\u63cf\u8ff0\u9009\u9879\u5361<\/h1>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u83b7\u53d6\u6709\u5173\u5e94\u7528\u7a0b\u5e8f\u53ca\u5176\u9009\u9879\u5361\u7684\u5143\u6570\u636e\u4fe1\u606f Salesforce \u7528\u6237\u754c\u9762\uff0c\u901a\u8fc7\u5728 Apex \u4e2d\u6267\u884c\u63cf\u8ff0\u8c03\u7528\u3002\u6b64\u5916\uff0c\u60a8\u53ef\u4ee5\u83b7\u5f97\u66f4\u591a \u6709\u5173\u6bcf\u4e2a\u9009\u9879\u5361\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u5206\u522b\u4f7f\u7528 Schema \u65b9\u6cd5\u548c \u4e2d\u7684\u65b9\u6cd5\u3002<samp>describeTabs<\/samp><samp>getTabs<\/samp><samp>Schema.DescribeTabResult<\/samp><\/p>\n\n\n\n<p>\u6b64\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u83b7\u53d6\u6bcf\u4e2a\u5e94\u7528\u7684\u9009\u9879\u5361\u96c6\u3002\u7136\u540e\uff0c\u8be5\u793a\u4f8b\u83b7\u53d6 tab \u63cf\u8ff0 Sales \u5e94\u7528\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u9009\u9879\u5361\uff0c\u5143\u6570\u636e\u4fe1\u606f \u5305\u62ec\u56fe\u6807 URL\u3001\u9009\u9879\u5361\u662f\u5426\u81ea\u5b9a\u4e49\u4ee5\u53ca\u989c\u8272\u7b49\u3002\u8fd9 \u9009\u9879\u5361\u63cf\u8ff0\u4fe1\u606f\u5c06\u5199\u5165\u8c03\u8bd5\u8f93\u51fa\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Get tab set describes for each app\nList&lt;Schema.DescribeTabSetResult&gt; tabSetDesc = Schema.describeTabs();\n\n\/\/ Iterate through each tab set describe for each app and display the info\nfor(DescribeTabSetResult tsr : tabSetDesc) {\n    String appLabel = tsr.getLabel();\n    System.debug('Label: ' + appLabel);\n    System.debug('Logo URL: ' + tsr.getLogoUrl());\n    System.debug('isSelected: ' + tsr.isSelected());\n    String ns = tsr.getNamespace();\n    if (ns == '') {\n        System.debug('The ' + appLabel + ' app has no namespace defined.');\n    }\n    else {\n        System.debug('Namespace: ' + ns);\n    }\n    \n    \/\/ Display tab info for the Sales app\n    if (appLabel == 'Sales') {\n        List&lt;Schema.DescribeTabResult&gt; tabDesc = tsr.getTabs();\n        System.debug('-- Tab information for the Sales app --');\n        for(Schema.DescribeTabResult tr : tabDesc) {\n            System.debug('getLabel: ' + tr.getLabel());\n            System.debug('getColors: ' + tr.getColors());\n            System.debug('getIconUrl: ' + tr.getIconUrl());\n            System.debug('getIcons: ' + tr.getIcons());\n            System.debug('getMiniIconUrl: ' + tr.getMiniIconUrl());\n            System.debug('getSobjectName: ' + tr.getSobjectName());\n            System.debug('getUrl: ' + tr.getUrl());\n            System.debug('isCustom: ' + tr.isCustom());\n        }\n    }\n}\n\n\/\/ Example debug statement output\n\/\/ DEBUG|Label: Sales\n\/\/ DEBUG|Logo URL: https:\/\/<em>MyDomainName<\/em>.my.salesforce.com\/img\/seasonLogos\/2014_winter_aloha.png\n\/\/ DEBUG|isSelected: true\n\/\/ DEBUG|The Sales app has no namespace defined.\/\/ DEBUG|-- Tab information for the Sales app --\n\/\/ (This is an example debug output for the Accounts tab.)\n\/\/ DEBUG|getLabel: Accounts\n\/\/ DEBUG|getColors: (Schema.DescribeColorResult&#91;getColor=236FBD;getContext=primary;getTheme=theme4;], \n\/\/       Schema.DescribeColorResult&#91;getColor=236FBD;getContext=primary;getTheme=theme3;], \n\/\/       Schema.DescribeColorResult&#91;getColor=236FBD;getContext=primary;getTheme=theme2;])\n\/\/ DEBUG|getIconUrl: https:\/\/<em>MyDomainName<\/em>.my.salesforce.com\/img\/icon\/accounts32.png\n\/\/ DEBUG|getIcons: (Schema.DescribeIconResult&#91;getContentType=image\/png;getHeight=32;getTheme=theme3;\n\/\/       getUrl=https:\/\/<em>MyDomainName<\/em>.my.salesforce.com\/img\/icon\/accounts32.png;getWidth=32;], \n\/\/       Schema.DescribeIconResult&#91;getContentType=image\/png;getHeight=16;getTheme=theme3;\n\/\/       getUrl=https:\/\/<em>MyDomainName<\/em>.my.salesforce.com\/img\/icon\/accounts16.png;getWidth=16;])\n\/\/ DEBUG|getMiniIconUrl: https:\/\/<em>MyDomainName<\/em>.my.salesforce.com\/img\/icon\/accounts16.png\n\/\/ DEBUG|getSobjectName: Account\n\/\/ DEBUG|getUrl: https:\/\/<em>MyDomainName<\/em>.my.salesforce.com\/001\/o\n\/\/ DEBUG|isCustom: false<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\">\u8bbf\u95ee\u6240\u6709 sObject<\/h1>\n\n\n\n<p>\u4f7f\u7528 Schema \u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u6620\u5c04\uff0c\u8be5\u6620\u5c04\u8868\u793a \u6240\u6709 sObject \u540d\u79f0\uff08\u952e\uff09\u5230 sObject \u4ee4\u724c\uff08\u503c\uff09\u3002\u4f8b\u5982\uff1a<samp>getGlobalDescribe<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Map&lt;String, Schema.SObjectType&gt; gd = Schema.getGlobalDescribe();<\/code><\/pre>\n\n\n\n<p>\u8be5\u5730\u56fe\u5177\u6709\u4ee5\u4e0b\u7279\u5f81\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b83\u662f\u52a8\u6001\u7684\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5b83\u662f\u5728\u8fd0\u884c\u65f6\u5728 sObject \u4e0a\u751f\u6210\u7684 \u5f53\u524d\u53ef\u7528\u4e8e\u7ec4\u7ec7\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6743\u9650\u3002<\/li>\n\n\n\n<li>sObject \u540d\u79f0\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u3002<\/li>\n\n\n\n<li>\u952e\u4ee5\u547d\u540d\u7a7a\u95f4\u4e3a\u524d\u7f00\uff08\u5982\u679c\u6709\uff09\u3002<sup>*<\/sup><\/li>\n\n\n\n<li>\u8fd9\u4e9b\u952e\u53cd\u6620 sObject \u662f\u5426\u4e3a\u81ea\u5b9a\u4e49\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n\n\n\n<p><sup>*<\/sup>\u4ece\u4f7f\u7528 Salesforce API \u7248\u672c 28.0 \u4fdd\u5b58\u7684 Apex \u5f00\u59cb\uff0c\u6620\u5c04\u4e2d\u8fd4\u56de\u7684\u952e\u59cb\u7ec8\u4ee5 \u547d\u540d\u7a7a\u95f4\uff08\u5982\u679c\u6709\uff09\u7684\u8fd0\u884c\u4ee3\u7801\u3002\u4f8b\u5982\uff0c\u5982\u679c\u8fdb\u884c\u8c03\u7528\u7684\u4ee3\u7801\u5757\u4f4d\u4e8e\u547d\u540d\u7a7a\u95f4 NS1 \u4e2d\uff0c\u5e76\u4e14\u81ea\u5b9a\u4e49 \u540d\u4e3a MyObject__c \u7684\u5bf9\u8c61\u4f4d\u4e8e\u540c\u4e00\u547d\u540d\u7a7a\u95f4\u4e2d\uff0c\u5219\u8fd4\u56de\u7684\u952e\u4e3a \u3002\u5bf9\u4e8e\u4f7f\u7528\u65e9\u671f API \u7248\u672c\u4fdd\u5b58\u7684 Apex\uff0c \u4ec5\u5f53\u4ee3\u7801\u5757\u7684\u547d\u540d\u7a7a\u95f4\u548c sObject \u7684\u547d\u540d\u7a7a\u95f4\u65f6\uff0ckey \u624d\u5305\u542b\u547d\u540d\u7a7a\u95f4 \u662f\u4e0d\u540c\u7684\u3002\u4f8b\u5982\uff0c\u5982\u679c\u751f\u6210\u6620\u5c04\u7684\u4ee3\u7801\u5757\u4f4d\u4e8e\u547d\u540d\u7a7a\u95f4 N1 \u4e2d\uff0c\u5e76\u4e14 sObject \u4e5f\u5728 N1 \u4e2d\uff0c\u6620\u5c04\u4e2d\u7684\u952e\u8868\u793a\u4e3a \u3002\u4f46\u662f\uff0c\u5982\u679c\u4ee3\u7801\u5757\u4f4d\u4e8e\u547d\u540d\u7a7a\u95f4 N1 \u4e2d\uff0c\u5e76\u4e14 sObject \u4f4d\u4e8e \u547d\u540d\u7a7a\u95f4 N2\uff0c\u952e\u4e3a .<samp>getGlobalDescribe<\/samp><samp>getGlobalDescribe<\/samp><samp>NS1__MyObject__c<\/samp><samp>MyObject__c<\/samp><samp>N2__MyObject__c<\/samp><\/p>\n\n\n\n<p>\u6807\u51c6 sObject \u6ca1\u6709\u547d\u540d\u7a7a\u95f4\u524d\u7f00\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p>\u5982\u679c\u4ece\u5df2\u5b89\u88c5\u7684\u6258\u7ba1\u5305\u8c03\u7528\u8be5\u65b9\u6cd5\uff0c\u5b83\u5c06\u8fd4\u56de sObject Chatter sObject \u7684\u540d\u79f0\u548c\u6807\u8bb0\uff0c\u4f8b\u5982 NewsFeed \u548c UserProfileFeed\uff0c \u5373\u4f7f\u672a\u5728\u5b89\u88c5\u7ec4\u7ec7\u4e2d\u542f\u7528 Chatter\u3002\u8fd9 \u5982\u679c\u8be5\u65b9\u6cd5\u662f\u4ece\u4e0d\u5728\u5df2\u5b89\u88c5\u7684\u6258\u7ba1\u5305\u4e2d\u7684\u7c7b\u8c03\u7528\u7684\uff0c\u5219\u4e0d\u4e3a true\u3002<samp>getGlobalDescribe<\/samp><samp>getGlobalDescribe<\/samp><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u8bbf\u95ee\u5173\u8054\u7684\u6240\u6709\u6570\u636e\u7c7b\u522b \u4f7f\u7528 sObject<\/h1>\n\n\n\n<p>\u4f7f\u7528 \u548c \u65b9\u6cd5\u8fd4\u56de\u4e0e\u7279\u5b9a\u5bf9\u8c61\u5173\u8054\u7684\u7c7b\u522b\uff1a<samp>describeDataCategoryGroups<\/samp><samp>describeDataCategoryGroupStructures<\/samp><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8fd4\u56de\u4e0e\u6240\u9009\u5bf9\u8c61\u5173\u8054\u7684\u6240\u6709\u7c7b\u522b\u7ec4\uff08\u8bf7\u53c2\u89c1\uff09\u3002<samp>describeDataCategoryGroups(sObjectNames)<\/samp><\/li>\n\n\n\n<li>\u4ece\u8fd4\u56de\u7684\u6620\u5c04\u4e2d\uff0c\u83b7\u53d6\u8981\u8fdb\u4e00\u6b65\u6269\u5c55\u7684\u7c7b\u522b\u7ec4\u540d\u79f0\u548c sObject \u540d\u79f0 \u8be2\u95ee\uff08\u8bf7\u53c2\u9605\u00a0DescribeDataCategoryGroupResult \u7c7b\uff09\u3002<\/li>\n\n\n\n<li>\u6307\u5b9a\u7c7b\u522b\u7ec4\u548c\u5173\u8054\u7684\u5bf9\u8c61\uff0c\u7136\u540e\u68c0\u7d22 \u6b64\u5bf9\u8c61\u53ef\u7528\u7684\u7c7b\u522b\uff08\u8bf7\u53c2\u89c1\uff09\u3002<samp>describeDataCategoryGroupStructures<\/samp><\/li>\n<\/ol>\n\n\n\n<p>\u8be5\u65b9\u6cd5\u8fd4\u56de \u53ef\u7528\u4e8e\u60a8\u6307\u5b9a\u7684\u7c7b\u522b\u7ec4\u4e2d\u7684\u5bf9\u8c61\u7684\u7c7b\u522b\u3002\u5bf9\u4e8e\u5176\u4ed6 \u6709\u5173\u6570\u636e\u7c7b\u522b\u7684\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 Salesforce Online \u4e2d\u7684\u201c\u4f7f\u7528\u6570\u636e\u7c7b\u522b\u201d \u5e2e\u52a9\u3002<samp>describeDataCategoryGroupStructures<\/samp><\/p>\n\n\n\n<p>\u5728\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0c\u8be5\u65b9\u6cd5\u8fd4\u56de\u6240\u6709\u7c7b\u522b\u7ec4 \u4e0e Article \u548c Question \u5bf9\u8c61\u76f8\u5173\u8054\u3002\u8be5\u65b9\u6cd5\u8fd4\u56de\u6240\u6709\u7c7b\u522b \u53ef\u7528\u4e8e\u201c\u533a\u57df\u201d\u7c7b\u522b\u7ec4\u4e2d\u7684\u6587\u7ae0\u548c\u95ee\u9898\u3002\u5bf9\u4e8e\u5176\u4ed6 \u6709\u5173\u6587\u7ae0\u548c\u95ee\u9898\u7684\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 Salesforce \u8054\u673a\u5e2e\u52a9\u3002<samp>describeDataCategoryGroupSample<\/samp><samp>describeDataCategoryGroupStructures<\/samp><\/p>\n\n\n\n<p>\u82e5\u8981\u4f7f\u7528\u4ee5\u4e0b\u793a\u4f8b\uff0c\u5fc5\u987b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u542f\u7528 Salesforce Knowledge\u3002<\/li>\n\n\n\n<li>\u542f\u7528\u7b54\u6848\u529f\u80fd\u3002<\/li>\n\n\n\n<li>\u521b\u5efa\u540d\u4e3a\u201c\u533a\u57df\u201d\u7684\u6570\u636e\u7c7b\u522b\u7ec4\u3002<\/li>\n\n\n\n<li>\u5c06 Regions \u6307\u5b9a\u4e3a Answers \u8981\u4f7f\u7528\u7684\u6570\u636e\u7c7b\u522b\u7ec4\u3002<\/li>\n\n\n\n<li>\u786e\u4fdd\u5c06\u201c\u533a\u57df\u201d\u6570\u636e\u7c7b\u522b\u7ec4\u5206\u914d\u7ed9 Salesforce Knowledge\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u6709\u5173\u521b\u5efa\u6570\u636e\u7c7b\u522b\u7ec4\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u201c\u521b\u5efa\u548c\u4fee\u6539\u7c7b\u522b\u7ec4\u201d\u4e2d\u7684 Salesforce \u8054\u673a\u5e2e\u52a9\u3002\u6709\u5173\u7b54\u6848\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 Salesforce \u8054\u673a\u5e2e\u52a9\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class DescribeDataCategoryGroupSample {\n   public static List&lt;DescribeDataCategoryGroupResult&gt; describeDataCategoryGroupSample(){\n      List&lt;DescribeDataCategoryGroupResult&gt; describeCategoryResult;\n      try {\n         \/\/Creating the list of sobjects to use for the describe\n         \/\/call\n         List&lt;String&gt; objType = new List&lt;String&gt;();\n\n         objType.add('KnowledgeArticleVersion');\n         objType.add('Question');\n\n         \/\/Describe Call\n         describeCategoryResult = Schema.describeDataCategoryGroups(objType);\n   \n         \/\/Using the results and retrieving the information\n         for(DescribeDataCategoryGroupResult singleResult : describeCategoryResult){\n            \/\/Getting the name of the category\n            singleResult.getName();\n\n            \/\/Getting the name of label\n            singleResult.getLabel();\n\n            \/\/Getting description\n            singleResult.getDescription();\n\n            \/\/Getting the sobject\n            singleResult.getSobject();\n         }         \n      } catch(Exception e){\n      }\n      \n      return describeCategoryResult;\n   }\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>public class DescribeDataCategoryGroupStructures {\n   public static List&lt;DescribeDataCategoryGroupStructureResult&gt; \n   getDescribeDataCategoryGroupStructureResults(){\n      List&lt;DescribeDataCategoryGroupResult&gt; describeCategoryResult;\n      List&lt;DescribeDataCategoryGroupStructureResult&gt; describeCategoryStructureResult;\n      try {\n         \/\/Making the call to the describeDataCategoryGroups to\n         \/\/get the list of category groups associated\n         List&lt;String&gt; objType = new List&lt;String&gt;();\n         objType.add('KnowledgeArticleVersion');\n         objType.add('Question');\n         describeCategoryResult = Schema.describeDataCategoryGroups(objType);\n         \n         \/\/Creating a list of pair objects to use as a parameter\n         \/\/for the describe call\n         List&lt;DataCategoryGroupSobjectTypePair&gt; pairs = \n            new List&lt;DataCategoryGroupSobjectTypePair&gt;();\n         \n         \/\/Looping throught the first describe result to create\n         \/\/the list of pairs for the second describe call\n         for(DescribeDataCategoryGroupResult singleResult : \n         describeCategoryResult){\n            DataCategoryGroupSobjectTypePair p =\n               new DataCategoryGroupSobjectTypePair();\n            p.setSobject(singleResult.getSobject());\n            p.setDataCategoryGroupName(singleResult.getName());\n            pairs.add(p);\n         }\n         \n         \/\/describeDataCategoryGroupStructures()\n         describeCategoryStructureResult = \n            Schema.describeDataCategoryGroupStructures(pairs, false);\n\n         \/\/Getting data from the result\n         for(DescribeDataCategoryGroupStructureResult singleResult : describeCategoryStructureResult){\n            \/\/Get name of the associated Sobject\n            singleResult.getSobject();\n\n            \/\/Get the name of the data category group\n            singleResult.getName();\n\n            \/\/Get the name of the data category group\n            singleResult.getLabel();\n\n            \/\/Get the description of the data category group\n            singleResult.getDescription();\n\n            \/\/Get the top level categories\n            DataCategory &#91;] toplevelCategories = \n               singleResult.getTopCategories();\n            \n            \/\/Recursively get all the categories\n            List&lt;DataCategory&gt; allCategories = \n               getAllCategories(toplevelCategories);\n\n            for(DataCategory category : allCategories) {\n               \/\/Get the name of the category\n               category.getName();\n\n               \/\/Get the label of the category\n               category.getLabel();\n\n               \/\/Get the list of sub categories in the category\n               DataCategory &#91;] childCategories = \n                  category.getChildCategories();\n            }\n         }\n      } catch (Exception e){\n      }\n      return describeCategoryStructureResult;\n    }\n    \n   private static DataCategory&#91;] getAllCategories(DataCategory &#91;] categories){\n      if(categories.isEmpty()){\n         return new DataCategory&#91;]{};\n      } else {\n         DataCategory &#91;] categoriesClone = categories.clone();\n         DataCategory category = categoriesClone&#91;0];\n         DataCategory&#91;] allCategories = new DataCategory&#91;]{category};\n         categoriesClone.remove(0);\n         categoriesClone.addAll(category.getChildCategories());\n         allCategories.addAll(getAllCategories(categoriesClone));\n         return allCategories;\n      }\n   }\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>\u6d4b\u8bd5\u8bbf\u95ee\u6743\u9650 \u5230\u4e0e sObject \u5173\u8054\u7684\u6240\u6709\u6570\u636e\u7c7b\u522b<\/h2>\n\n\n\n<p>\u4e0b\u9762\u7684\u793a\u4f8b\u6d4b\u8bd5\u524d\u9762\u6240\u793a\u7684\u65b9\u6cd5\u3002\u5b83\u786e\u4fdd\u8fd4\u56de\u7684\u7c7b\u522b\u7ec4 \u548c\u5173\u8054\u7684\u5bf9\u8c61\u662f\u6b63\u786e\u7684\u3002<samp>describeDataCategoryGroupSample<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@isTest\nprivate class DescribeDataCategoryGroupSampleTest {\n   public static testMethod void describeDataCategoryGroupSampleTest(){\n      List&lt;DescribeDataCategoryGroupResult&gt;describeResult =\n                 DescribeDataCategoryGroupSample.describeDataCategoryGroupSample();\n      \n      \/\/Assuming that you have KnowledgeArticleVersion and Questions\n      \/\/associated with only one category group 'Regions'.\n      System.assert(describeResult.size() == 2,\n           'The results should only contain two results: ' + describeResult.size());\n      \n      for(DescribeDataCategoryGroupResult result : describeResult) {\n         \/\/Storing the results\n         String name = result.getName();\n         String label = result.getLabel();\n         String description = result.getDescription();\n         String objectNames = result.getSobject();\n         \n         \/\/asserting the values to make sure\n         System.assert(name == 'Regions',\n         'Incorrect name was returned: ' + name);\n         System.assert(label == 'Regions of the World',\n         'Incorrect label was returned: ' + label);\n         System.assert(description == 'This is the category group for all the regions',\n         'Incorrect description was returned: ' + description);\n         System.assert(objectNames.contains('KnowledgeArticleVersion') \n                       || objectNames.contains('Question'),\n                       'Incorrect sObject was returned: ' + objectNames);\n      }\n   }\n}<\/code><\/pre>\n\n\n\n<p>\u6b64\u793a\u4f8b\u6d4b\u8bd5\u8be5\u65b9\u6cd5\u3002\u5b83\u786e\u4fdd \u8fd4\u56de\u7684\u7c7b\u522b\u7ec4\u3001\u7c7b\u522b\u548c\u5173\u8054\u7684\u5bf9\u8c61\u662f \u6b63\u786e\u3002<samp>describeDataCategoryGroupStructures<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@isTest\nprivate class DescribeDataCategoryGroupStructuresTest {\n   public static testMethod void getDescribeDataCategoryGroupStructureResultsTest(){\n      List&lt;Schema.DescribeDataCategoryGroupStructureResult&gt; describeResult =\n         DescribeDataCategoryGroupStructures.getDescribeDataCategoryGroupStructureResults();\n      \n      System.assert(describeResult.size() == 2,\n            'The results should only contain 2 results: ' + describeResult.size());\n            \n      \/\/Creating category info\n      CategoryInfo world = new CategoryInfo('World', 'World');\n      CategoryInfo asia = new CategoryInfo('Asia', 'Asia');\n      CategoryInfo northAmerica = new CategoryInfo('NorthAmerica',\n                                                  'North America');\n      CategoryInfo southAmerica = new CategoryInfo('SouthAmerica',\n                                                  'South America');\n      CategoryInfo europe = new CategoryInfo('Europe', 'Europe');\n      \n      List&lt;CategoryInfo&gt; info = new CategoryInfo&#91;] {\n        asia, northAmerica, southAmerica, europe\n     };\n      \n      for (Schema.DescribeDataCategoryGroupStructureResult result : describeResult) {\n         String name = result.getName();\n         String label = result.getLabel();\n         String description = result.getDescription();\n         String objectNames = result.getSobject();\n         \n         \/\/asserting the values to make sure\n         System.assert(name == 'Regions', \n         'Incorrect name was returned: ' + name);\n         System.assert(label == 'Regions of the World',\n         'Incorrect label was returned: ' + label);\n         System.assert(description == 'This is the category group for all the regions',\n         'Incorrect description was returned: ' + description);\n         System.assert(objectNames.contains('KnowledgeArticleVersion') \n                    || objectNames.contains('Question'),\n                       'Incorrect sObject was returned: ' + objectNames);\n         \n         DataCategory &#91;] topLevelCategories = result.getTopCategories();\n         System.assert(topLevelCategories.size() == 1,\n         'Incorrect number of top level categories returned: ' + topLevelCategories.size());\n         System.assert(topLevelCategories&#91;0].getLabel() == world.getLabel() &amp;&amp;\n                       topLevelCategories&#91;0].getName() == world.getName());\n         \n         \/\/checking if the correct children are returned\n         DataCategory &#91;] children = topLevelCategories&#91;0].getChildCategories();\n         System.assert(children.size() == 4,\n         'Incorrect number of children returned: ' + children.size());\n         for(Integer i=0; i &lt; children.size(); i++){\n            System.assert(children&#91;i].getLabel() == info&#91;i].getLabel() &amp;&amp;\n                          children&#91;i].getName() == info&#91;i].getName());\n         }\n      }\n      \n   }\n   \n   private class CategoryInfo {      \n      private final String name;\n      private final String label;\n            \n      private CategoryInfo(String n, String l){\n         this.name = n;\n         this.label = l;\n      }\n      \n      public String getName(){\n         return this.name;\n      }\n      \n      public String getLabel(){\n         return this.label;\n      }\n   }\n}<\/code><\/pre>\n\n\n\n<h1 class=\"wp-block-heading\">\u52a8\u6001 SOQL<\/h1>\n\n\n\n<p><dfn>\u52a8\u6001 SOQL<\/dfn>&nbsp;\u662f\u6307\u5728\u8fd0\u884c\u65f6\u4f7f\u7528 Apex \u521b\u5efa SOQL \u5b57\u7b26\u4e32 \u6cd5\u5178\u3002\u52a8\u6001 SOQL \u4f7f\u60a8\u80fd\u591f\u521b\u5efa\u66f4\u7075\u6d3b\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u4f8b\u5982\uff0c\u60a8 \u53ef\u4ee5\u6839\u636e\u6700\u7ec8\u7528\u6237\u7684\u8f93\u5165\u521b\u5efa\u641c\u7d22\uff0c\u6216\u4f7f\u7528\u4e0d\u540c\u7684\u5b57\u6bb5\u66f4\u65b0\u8bb0\u5f55 \u540d\u5b57\u3002<\/p>\n\n\n\n<p>\u82e5\u8981\u5728\u8fd0\u884c\u65f6\u521b\u5efa\u52a8\u6001 SOQL \u67e5\u8be2\uff0c\u8bf7\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u4e4b\u4e00\u4f7f\u7528 or \u65b9\u6cd5\u3002<samp>Database.query<\/samp><samp>Database.queryWithBinds<\/samp><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5f53\u67e5\u8be2\u8fd4\u56de\u5355\u4e2a sObject \u65f6\uff0c\u8fd4\u56de\u5355\u4e2a sObject \u8bb0\u5f55\uff1a<code>sObject s = Database.query(<em>string<\/em>);<\/code><\/li>\n\n\n\n<li>\u5f53\u67e5\u8be2\u8fd4\u56de\u591a\u4e2a sObject \u65f6\uff0c\u8fd4\u56de sObject \u7684\u5217\u8868 \u8bb0\u5f55\uff1a<code>List&lt;sObject&gt; sobjList = Database.query(<em>string<\/em>);<\/code><\/li>\n\n\n\n<li>\u4f7f\u7528 bind \u7684\u6620\u5c04\u8fd4\u56de sObject \u5217\u8868 \u53d8\u91cf\uff1a<code>List&lt;sObject&gt; sobjList = Database.queryWithBinds(<em>string<\/em>, bindVariablesMap, accessLevel);<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528 \u548c \u65b9\u6cd5 \u4efb\u4f55\u53ef\u4ee5\u4f7f\u7528\u5185\u8054 SOQL \u67e5\u8be2\u7684\u5730\u65b9\uff0c\u4f8b\u5982\u5728\u5e38\u89c4\u8d4b\u503c\u8bed\u53e5\u548c\u5faa\u73af\u4e2d\u3002\u7ed3\u679c\u5728 \u4e0e\u9759\u6001 SOQL \u67e5\u8be2\u7684\u5904\u7406\u65b9\u5f0f\u5927\u81f4\u76f8\u540c\u3002<samp>Database.query<\/samp><samp>Database.queryWithBinds<\/samp><samp>for<\/samp><\/p>\n\n\n\n<p>\u4f7f\u7528 API \u7248\u672c 55.0 \u53ca\u66f4\u9ad8\u7248\u672c\uff0c\u4f5c\u4e3a\u6570\u636e\u5e93\u64cd\u4f5c\u7528\u6237\u6a21\u5f0f\u7684\u4e00\u90e8\u5206 \u529f\u80fd\uff0c\u8bf7\u4f7f\u7528\u8be5\u53c2\u6570\u5728 \u7528\u6237\u6216\u7cfb\u7edf\u6a21\u5f0f\u3002\u8be5\u53c2\u6570\u6307\u5b9a \u65b9\u6cd5\u5728\u7cfb\u7edf\u6a21\u5f0f\u4e0b\u8fd0\u884c \uff08\uff09 \u6216\u7528\u6237\u6a21\u5f0f \uff08\uff09\u3002\u5728\u7cfb\u7edf\u6a21\u5f0f\u4e0b\uff0c \u5ffd\u7565\u5f53\u524d\u7528\u6237\u7684\u5bf9\u8c61\u7ea7\u548c\u5b57\u6bb5\u7ea7\u6743\u9650\uff0c\u8bb0\u5f55 \u5171\u4eab\u89c4\u5219\u7531\u7c7b\u5171\u4eab\u5173\u952e\u5b57\u63a7\u5236\u3002\u5728\u7528\u6237\u6a21\u5f0f\u4e0b\uff0c \u5f53\u524d\u7528\u6237\u7684\u5bf9\u8c61\u6743\u9650\u3001\u5b57\u6bb5\u7ea7\u5b89\u5168\u6027\u548c\u5171\u4eab\u89c4\u5219\u662f \u6267\u884c\u3002\u7cfb\u7edf\u6a21\u5f0f\u662f\u9ed8\u8ba4\u6a21\u5f0f\u3002<var>accessLevelaccessLevelAccessLevel.SYSTEM_MODEAccessLevel.USER_MODE<\/var><\/p>\n\n\n\n<p>\u52a8\u6001 SOQL \u7ed3\u679c\u53ef\u4ee5\u6307\u5b9a\u4e3a\u5177\u4f53\u7684 sObject\uff0c\u4f8b\u5982 Account \u6216 MyCustomObject__c\uff0c\u6216\u4f5c\u4e3a\u6cdb\u578b sObject \u6570\u636e\u7c7b\u578b\u3002\u5728\u8fd0\u884c\u65f6\uff0c\u7cfb\u7edf \u9a8c\u8bc1\u67e5\u8be2\u7684\u7c7b\u578b\u662f\u5426\u4e0e\u53d8\u91cf\u7684\u58f0\u660e\u7c7b\u578b\u5339\u914d\u3002\u5982\u679c query \u672a\u8fd4\u56de\u6b63\u786e\u7684 sObject \u7c7b\u578b\uff0c\u5219\u4f1a\u5f15\u53d1\u8fd0\u884c\u65f6\u9519\u8bef\u3002\u56e0\u6b64 \u60a8\u4e0d\u5fc5\u4ece\u6cdb\u578b sObject \u8f6c\u6362\u4e3a\u5177\u4f53\u7684 sObject\u3002<\/p>\n\n\n\n<p>\u52a8\u6001 SOQL \u67e5\u8be2\u5177\u6709\u4e0e\u9759\u6001\u67e5\u8be2\u76f8\u540c\u7684\u8c03\u63a7\u5668\u9650\u5236\u3002\u67e5\u770b\u66f4\u591a \u6709\u5173\u8c03\u63a7\u5668\u9650\u5236\u7684\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u6267\u884c \u8c03\u901f\u5668\u548c\u9650\u5236\u3002<\/p>\n\n\n\n<p>\u6709\u5173 SOQL \u67e5\u8be2\u8bed\u6cd5\u7684\u5b8c\u6574\u8bf4\u660e\uff0c\u8bf7\u53c2\u9605\u00a0Salesforce \u5bf9\u8c61\u67e5\u8be2\u8bed\u8a00 \uff08\u7d22\u514b\u5c14\uff09\u5728\u00a0SOQL \u548c SOSL \u53c2\u8003\u4e2d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u52a8\u6001 SOQL \u6ce8\u610f\u4e8b\u9879<\/h2>\n\n\n\n<p>\u4f7f\u7528 \u65f6\uff0c\u53ef\u4ee5\u5728\u52a8\u6001 SOQL \u67e5\u8be2\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u7b80\u5355\u7684\u7ed1\u5b9a\u53d8\u91cf\u3002\u4ee5\u4e0b\u662f \u5141\u8bb8\uff1a<\/p>\n\n\n\n<p><samp>Database.query<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>String myTestString = 'TestName';\nList&lt;sObject&gt; sobjList = Database.query('SELECT Id FROM MyCustomObject__c WHERE Name = :myTestString');<\/code><\/pre>\n\n\n\n<p>\u7136\u800c \u4e0e\u5185\u8054 SOQL \u4e0d\u540c\uff0c\u4e0d\u80fd\u5728\u67e5\u8be2\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u7ed1\u5b9a\u53d8\u91cf\u5b57\u6bb5\u3002\u4ee5\u4e0b\u793a\u4f8b \u4e0d\u53d7\u652f\u6301\uff0c\u5e76\u5bfc\u81f4\u9519\u8bef\u3002<\/p>\n\n\n\n<p><samp>Database.query<\/samp><samp>Variable does not exist<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>MyCustomObject__c myVariable = new MyCustomObject__c(field1__c ='TestField');\nList&lt;sObject&gt; sobjList = Database.query('SELECT Id FROM MyCustomObject__c WHERE field1__c = :myVariable.field1__c');<\/code><\/pre>\n\n\n\n<p>\u4f60 \u53ef\u4ee5\u6539\u4e3a\u5c06\u53d8\u91cf\u5b57\u6bb5\u89e3\u6790\u4e3a\u5b57\u7b26\u4e32\uff0c\u5e76\u5728 \u52a8\u6001 SOQL \u67e5\u8be2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>String resolvedField1 = myVariable.field1__c;\nList&lt;sObject&gt; sobjList = Database.query('SELECT Id FROM MyCustomObject__c WHERE field1__c =  :resolvedField1');<\/code><\/pre>\n\n\n\n<p>\uff08API \u7248\u672c 57.0 \u53ca\u66f4\u9ad8\u7248\u672c\uff09\u53e6\u4e00\u79cd\u9009\u62e9\u662f\u4f7f\u7528\u8be5\u65b9\u6cd5\u3002\u4f7f\u7528\u6b64\u65b9\u6cd5\uff0c\u5c06\u53d8\u91cf\u7ed1\u5b9a\u5230 \u67e5\u8be2\u662f\u76f4\u63a5\u4f7f\u7528\u952e\u4ece Map \u53c2\u6570\u89e3\u6790\u7684\uff0c\u800c\u4e0d\u662f\u4ece Apex \u4ee3\u7801\u53d8\u91cf\u3002\u8fd9\u6837\u5c31\u65e0\u9700\u5728 \u67e5\u8be2\u3002\u6b64\u793a\u4f8b\u663e\u793a\u4e86\u4e00\u4e2a SOQL \u67e5\u8be2\uff0c\u8be5\u67e5\u8be2\u5c06\u7ed1\u5b9a\u53d8\u91cf\u7528\u4e8e \u5e10\u6237\u540d\u79f0;\u5176\u503c\u968f Map \u4e00\u8d77\u4f20\u5165\u3002<samp>Database.queryWithBinds<\/samp><var>acctBinds<\/var><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Map&lt;String, Object&gt; acctBinds = new Map&lt;String, Object&gt;{'acctName' =&gt; 'Acme Corporation'};\n\nList&lt;Account&gt; accts = \n    Database.queryWithBinds('SELECT Id FROM Account WHERE Name = :acctName',\n                            acctBinds, \n                            AccessLevel.USER_MODE);<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>SOQL\u6ce8\u5c04\u6db2<\/h2>\n\n\n\n<p><dfn>SOQL\u6ce8\u5c04<\/dfn>\u662f\u4e00\u79cd\u6280\u672f\uff0c\u7528\u6237\u901a\u8fc7\u8be5\u6280\u672f \u901a\u8fc7\u4f20\u9012 SOQL \u8bed\u53e5\u6dfb\u52a0\u5230\u4ee3\u7801\u4e2d\u3002\u8fd9\u53ef\u80fd\u53d1\u751f\u5728 Apex \u4ee3\u7801\u4e2d\uff0c\u53ea\u8981\u4f60\u7684 \u5e94\u7528\u7a0b\u5e8f\u4f9d\u8d56\u4e8e\u6700\u7ec8\u7528\u6237\u7684\u8f93\u5165\u6765\u6784\u9020\u52a8\u6001 SOQL \u8bed\u53e5\uff0c\u800c \u6ca1\u6709\u6b63\u786e\u5904\u7406\u8f93\u5165\u3002<\/p>\n\n\n\n<p>\u4e3a\u9632\u6b62SOQL\u6ce8\u5c04\uff0c\u8bf7\u4f7f\u7528\u8be5\u65b9\u6cd5\u3002\u6b64\u65b9\u6cd5\u5c06 \u8f6c\u4e49\u5b57\u7b26 \uff08\\\uff09 \u5230\u4f20\u5165\u7684\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5355\u5f15\u53f7 \u6765\u81ea\u7528\u6237\u3002\u8be5\u65b9\u6cd5\u786e\u4fdd\u5c06\u6240\u6709\u5355\u5f15\u53f7\u89c6\u4e3a \u5c06\u5b57\u7b26\u4e32\u62ec\u8d77\u6765\uff0c\u800c\u4e0d\u662f\u6570\u636e\u5e93\u547d\u4ee4\u3002<samp>escapeSingleQuotes<\/samp><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5176\u4ed6\u52a8\u6001 SOQL \u65b9\u6cd5<\/h2>\n\n\n\n<p>\u672c\u4e3b\u9898\u4e2d\u7684\u52a8\u6001 SOQL \u793a\u4f8b\u6f14\u793a\u5982\u4f55\u4f7f\u7528 \u548c \u65b9\u6cd5\u3002\u8fd9\u4e9b\u65b9\u6cd5\u8fd8\u4f7f\u7528\u52a8\u6001 SOQL\uff1a<samp>Database.query<\/samp><samp>Database.queryWithBinds<\/samp><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><samp>Database.countQuery<\/samp>\u548c \uff1a\u8fd4\u56de\u6570\u5b57 \u52a8\u6001 SOQL \u67e5\u8be2\u5728\u6267\u884c\u65f6\u5c06\u8fd4\u56de\u7684\u8bb0\u5f55\u3002<samp>Database.countQueryWithBinds<\/samp><\/li>\n\n\n\n<li><samp>Database.getQueryLocator<\/samp>\u548c \uff1a\u521b\u5efa\u6279\u5904\u7406\u4e2d\u4f7f\u7528\u7684\u5bf9\u8c61 Apex \u6216 \u89c6\u89c9\u529b\u3002<samp>Database.getQueryLocatorWithBindsQueryLocator<\/samp><\/li>\n<\/ul>\n\n\n\n<h1 class=\"wp-block-heading\">\u52a8\u6001 SOSL<\/h1>\n\n\n\n<p><dfn>\u52a8\u6001 SOSL<\/dfn>&nbsp;\u662f\u6307\u5728\u8fd0\u884c\u65f6\u4f7f\u7528 Apex \u521b\u5efa SOSL \u5b57\u7b26\u4e32 \u6cd5\u5178\u3002\u52a8\u6001 SOSL \u4f7f\u60a8\u80fd\u591f\u521b\u5efa\u66f4\u7075\u6d3b\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u4f8b\u5982\uff0c\u60a8 \u53ef\u4ee5\u6839\u636e\u6700\u7ec8\u7528\u6237\u7684\u8f93\u5165\u521b\u5efa\u641c\u7d22\uff0c\u6216\u4f7f\u7528\u4e0d\u540c\u7684 \u5b57\u6bb5\u540d\u79f0\u3002<\/p>\n\n\n\n<p>\u82e5\u8981\u5728\u8fd0\u884c\u65f6\u521b\u5efa\u52a8\u6001 SOSL \u67e5\u8be2\uff0c\u8bf7\u4f7f\u7528 search \u65b9\u6cd5\u3002\u4f8b\u5982\uff1a<samp>query<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>List&lt;List &lt;sObject&gt;&gt; myQuery = search.query(<em>SOSL_search_string<\/em>);<\/code><\/pre>\n\n\n\n<p>\u4e0b\u9762\u7684\u793a\u4f8b\u7ec3\u4e60\u4e00\u4e2a\u7b80\u5355\u7684 SOSL \u67e5\u8be2\u5b57\u7b26\u4e32\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>String searchquery='FIND\\'Edge*\\'IN ALL FIELDS RETURNING Account(id,name),Contact, Lead'; \nList&lt;List&lt;SObject&gt;&gt;searchList=search.query(searchquery);<\/code><\/pre>\n\n\n\n<p>\u52a8\u6001 SOSL \u8bed\u53e5\u7684\u8ba1\u7b97\u7ed3\u679c\u4e3a sObject \u5217\u8868\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5217\u8868\u5305\u542b \u7279\u5b9a sObject \u7c7b\u578b\u7684\u641c\u7d22\u7ed3\u679c\u3002\u59cb\u7ec8\u8fd4\u56de\u7ed3\u679c\u5217\u8868 \u5176\u987a\u5e8f\u4e0e\u5728\u52a8\u6001 SOSL \u67e5\u8be2\u4e2d\u6307\u5b9a\u7684\u987a\u5e8f\u76f8\u540c\u3002\u4ece\u793a\u4f8b \u4e0a\u9762\uff0c\u5ba2\u6237\u7684\u7ed3\u679c\u9996\u5148\u662f\u201c\u8054\u7cfb\u4eba\u201d\uff0c\u7136\u540e\u662f\u201c\u6f5c\u5728\u5ba2\u6237\u201d\u3002<\/p>\n\n\n\n<p>\u641c\u7d22\u65b9\u6cd5\u53ef\u4ee5\u5728\u4ee5\u4e0b\u4efb\u4f55\u4f4d\u7f6e\u4f7f\u7528\u3002 \u53ef\u4ee5\u4f7f\u7528\u5185\u8054 SOSL \u67e5\u8be2\uff0c\u4f8b\u5982\u5728\u5e38\u89c4\u8d4b\u503c\u8bed\u53e5\u548c\u5faa\u73af\u4e2d\u3002\u7ed3\u679c\u5728\u5f88\u591a \u4e0e\u9759\u6001 SOSL \u67e5\u8be2\u7684\u5904\u7406\u65b9\u5f0f\u76f8\u540c\u3002<samp>query<\/samp><samp>for<\/samp><\/p>\n\n\n\n<p>\u52a8\u6001 SOSL \u67e5\u8be2\u4e0e\u9759\u6001\u67e5\u8be2\u5177\u6709\u76f8\u540c\u7684\u8c03\u63a7\u5668\u9650\u5236\u3002\u67e5\u770b\u66f4\u591a \u6709\u5173\u8c03\u63a7\u5668\u9650\u5236\u7684\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u6267\u884c \u8c03\u901f\u5668\u548c\u9650\u5236\u3002<\/p>\n\n\n\n<p>\u6709\u5173 SOSL \u67e5\u8be2\u8bed\u6cd5\u7684\u5b8c\u6574\u8bf4\u660e\uff0c\u8bf7\u53c2\u9605\u00a0Salesforce \u5bf9\u8c61\u641c\u7d22\u8bed\u8a00 \uff08SOSL\uff09\u5728\u00a0SOQL \u548c SOSL \u53c2\u8003\u4e2d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>\u4f7f\u7528\u52a8\u6001 SOSL \u8fd4\u56de\u4ee3\u7801\u6bb5<\/h2>\n\n\n\n<p>\u82e5\u8981\u4e3a\u641c\u7d22\u7ed3\u679c\u4e2d\u7684\u8bb0\u5f55\u63d0\u4f9b\u66f4\u591a\u4e0a\u4e0b\u6587\uff0c\u8bf7\u4f7f\u7528 SOSL \u5b50\u53e5\u3002\u7247\u6bb5\u4f7f \u786e\u5b9a\u60a8\u8981\u67e5\u627e\u7684\u5185\u5bb9\u3002\u6709\u5173\u4ee3\u7801\u6bb5\u5982\u4f55\u7684\u4fe1\u606f \u751f\u6210\uff0c\u8bf7\u53c2\u9605\u00a0<em>SOQL \u548c SOSL \u53c2\u8003<\/em>\u4e2d\u7684\u00a0WITH SNIPPET\u3002<samp>WITH SNIPPET<\/samp>\u8981\u5728 \u52a8\u6001 SOSL \u67e5\u8be2\uff0c\u8bf7\u4f7f\u7528\u8be5\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p><samp>WITH SNIPPET<\/samp><samp>Search.find<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Search.SearchResults searchResults = Search.find(<em>SOSL_search_string<\/em>);<\/code><\/pre>\n\n\n\n<p>\u6b64\u793a\u4f8b\u6267\u884c\u5305\u542b\u5b50\u53e5\u7684\u7b80\u5355 SOSL \u67e5\u8be2\u5b57\u7b26\u4e32\u3002\u8be5\u793a\u4f8b\u8c03\u7528\u6253\u5370\u8fd4\u56de\u7684\u6807\u9898\u548c \u7247\u6bb5\u3002\u60a8\u7684\u4ee3\u7801\u5c06\u5728\u7f51\u9875\u4e2d\u663e\u793a\u6807\u9898\u548c\u4ee3\u7801\u6bb5\u3002<samp>WITH SNIPPET<\/samp><samp>System.debug()<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Search.SearchResults searchResults = Search.find('FIND \\'test\\' IN ALL FIELDS RETURNING \nKnowledgeArticleVersion(id, title WHERE PublishStatus = \\'Online\\' AND Language = \\'en_US\\') WITH SNIPPET (target_length=120)');\n \nList&lt;Search.SearchResult&gt; articlelist = searchResults.get('KnowledgeArticleVersion');\n\nfor (Search.SearchResult searchResult : articleList) { \n\tKnowledgeArticleVersion article = (KnowledgeArticleVersion) searchResult.getSObject(); \n\tSystem.debug(article.Title); \n\tSystem.debug(searchResult.getSnippet()); \n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>SOSL\u6ce8\u5165<\/h2>\n\n\n\n<p><dfn>SOSL\u6ce8\u5165<\/dfn>\u662f\u4e00\u79cd\u6280\u672f\uff0c\u7528\u6237\u901a\u8fc7\u8be5\u6280\u672f \u4f7f\u5e94\u7528\u7a0b\u5e8f\u6267\u884c\u60a8\u4e0d\u5e0c\u671b\u901a\u8fc7\u4f20\u9012\u7684\u6570\u636e\u5e93\u65b9\u6cd5 SOSL \u8bed\u53e5\u6dfb\u52a0\u5230\u4ee3\u7801\u4e2d\u3002\u6bcf\u5f53 \u5e94\u7528\u7a0b\u5e8f\u4f9d\u8d56\u4e8e\u6700\u7ec8\u7528\u6237\u8f93\u5165\u6765\u6784\u9020\u52a8\u6001 SOSL \u8bed\u53e5\u548c \u60a8\u6ca1\u6709\u6b63\u786e\u5904\u7406\u8f93\u5165\u3002<\/p>\n\n\n\n<p>\u4e3a\u9632\u6b62SOSL\u6ce8\u5165\uff0c\u8bf7\u4f7f\u7528\u8be5\u65b9\u6cd5\u3002\u6b64\u65b9\u6cd5 \u5c06\u8f6c\u4e49\u5b57\u7b26 \uff08\\\uff09 \u6dfb\u52a0\u5230\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5355\u5f15\u53f7\u4e2d\uff0c\u5373 \u4ece\u7528\u6237\u4f20\u5165\u3002\u8be5\u65b9\u6cd5\u786e\u4fdd\u6240\u6709\u5355\u5f15\u53f7\u90fd \u88ab\u89c6\u4e3a\u5c01\u95ed\u5b57\u7b26\u4e32\uff0c\u800c\u4e0d\u662f\u6570\u636e\u5e93\u547d\u4ee4\u3002<samp>escapeSingleQuotes<\/samp><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u52a8\u6001 DML<\/h1>\n\n\n\n<p>\u9664\u4e86\u67e5\u8be2\u3001\u63cf\u8ff0\u4fe1\u606f\u548c\u6784\u5efa SOQL \u5728\u8fd0\u884c\u65f6\u67e5\u8be2\uff0c\u8fd8\u53ef\u4ee5\u52a8\u6001\u521b\u5efa sObjects\uff0c\u4ee5\u53ca \u4f7f\u7528 DML \u5c06\u5b83\u4eec\u63d2\u5165\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n\n\n\n<p>\u82e5\u8981\u521b\u5efa\u7ed9\u5b9a\u7c7b\u578b\u7684\u65b0 sObject\uff0c\u8bf7\u5728 sObject \u4ee4\u724c\u4e0a\u4f7f\u7528\u8be5\u65b9\u6cd5\u3002 \u8bf7\u6ce8\u610f\uff0c\u4ee4\u724c\u5fc5\u987b\u8f6c\u6362\u4e3a\u5177\u4f53\u7684 sObject \u7c7b\u578b\uff08\u4f8b\u5982 \u4f5c\u4e3a\u5e10\u6237\uff09\u3002\u4f8b\u5982\uff1a<samp>newSObject<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ Get a new account\nAccount a = new Account();\n\/\/ Get the token for the account\nSchema.sObjectType tokenA = a.getSObjectType();\n\/\/ The following produces an error because the token is a generic sObject, not an Account\n\/\/ Account b = tokenA.newSObject();\n\/\/ The following works because the token is cast back into an Account\nAccount b = (Account)tokenA.newSObject();<\/code><\/pre>\n\n\n\n<p>\u867d\u7136 sObject \u4ee4\u724c\u662f Account \u7684\u4ee4\u724c\uff0c \u5b83\u88ab\u89c6\u4e3a sObject\uff0c\u56e0\u4e3a\u5b83\u662f\u5355\u72ec\u8bbf\u95ee\u7684\u3002\u5b83\u5fc5\u987b\u88ab\u91cd\u65b0\u8f6c\u6362\u56de \u5177\u4f53 sObject \u7c7b\u578b Account \u6765\u4f7f\u7528\u8be5\u65b9\u6cd5\u3002 \u6709\u5173\u5f3a\u5236\u8f6c\u6362\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1<a href=\"https:\/\/developer.salesforce.com\/docs\/atlas.en-us.apexcode.meta\/apexcode\/apex_classes_casting.htm\">\u7c7b\u548c\u5f3a\u5236\u8f6c\u6362<\/a>\u3002<samp>tokenA<\/samp><samp>newSObject<\/samp><\/p>\n\n\n\n<p>\u60a8\u8fd8\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2a ID\uff0c\u4ee5\u521b\u5efa\u5f15\u7528\u73b0\u6709 \u8bb0\u5f55\uff0c\u4ee5\u4fbf\u4ee5\u540e\u66f4\u65b0\u3002\u4f8b\u5982\uff1a<samp>newSObject<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SObject s = Database.query('SELECT Id FROM account LIMIT 1')&#91;0].getSObjectType().\n                                       newSObject(&#91;SELECT Id FROM Account LIMIT 1]&#91;0].Id);<\/code><\/pre>\n\n\n\n<p>\u8bf7\u53c2\u89c1SObjectType \u7c7b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>\u52a8\u6001 sObject \u521b\u5efa\u793a\u4f8b<\/h2>\n\n\n\n<p>\u6b64\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u901a\u8fc7 \u65b9\u6cd5\uff0c\u7136\u540e\u4f7f\u7528\u4ee4\u724c\u4e0a\u7684\u65b9\u6cd5\u521b\u5efa\u65b0\u7684 sObject\u3002<samp>Schema.getGlobalDescribe<\/samp><samp>newSObject<\/samp><a><\/a>\u6b64\u793a\u4f8b\u8fd8\u5305\u542b\u4e00\u4e2a\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u8be5\u65b9\u6cd5 \u9a8c\u8bc1\u5e10\u6237\u7684\u52a8\u6001\u521b\u5efa\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public class DynamicSObjectCreation {\n    public static sObject createObject(String typeName) {\n        Schema.SObjectType targetType = Schema.getGlobalDescribe().get(typeName);\n        if (targetType == null) {\n            \/\/ throw an exception\n        }\n        \n        \/\/ Instantiate an sObject with the type passed in as an argument\n        \/\/  at run time.\n        return targetType.newSObject(); \n    }\n}<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>@isTest\nprivate class DynamicSObjectCreationTest {\n    static testmethod void testObjectCreation() {\n        String typeName = 'Account';\n        String acctName = 'Acme';\n        \n        \/\/ Create a new sObject by passing the sObject type as an argument.\n        Account a = (Account)DynamicSObjectCreation.createObject(typeName);        \n        System.assertEquals(typeName, String.valueOf(a.getSobjectType()));\n        \/\/ Set the account name and insert the account.\n        a.Name = acctName;\n        insert a;\n\n        \/\/ Verify the new sObject got inserted.\n        Account&#91;] b = &#91;SELECT Name from Account WHERE Name = :acctName];\n        system.assert(b.size() &gt; 0);\n    }\n}<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>\u8bbe\u7f6e\u548c\u68c0\u7d22 \u5b57\u6bb5\u503c<\/h2>\n\n\n\n<p>\u5728\u5bf9\u8c61\u4e0a\u4f7f\u7528 and \u65b9\u6cd5\uff0c\u4ee5\u4f7f\u7528 API \u540d\u79f0 \u8868\u793a\u4e3a String \u7684\u5b57\u6bb5\uff0c\u6216\u5b57\u6bb5\u7684\u6807\u8bb0\u3002\u5728\u4ee5\u4e0b\u793a\u4f8b\u4e2d\uff0cAPI \u540d\u79f0 \u5b57\u6bb5\u7528\u4e8e\uff1a<samp>get<\/samp><samp>put<\/samp><samp>AccountNumber<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SObject s = &#91;SELECT AccountNumber FROM Account LIMIT 1];\nObject o = s.get('AccountNumber');\ns.put('AccountNumber', 'abc');<\/code><\/pre>\n\n\n\n<p>\u4ee5\u4e0b\u793a\u4f8b\u6539\u7528\u5b57\u6bb5\u7684\u4ee4\u724c\uff1a<samp>AccountNumber<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Schema.DescribeFieldResult dfr = Schema.sObjectType.Account.fields.AccountNumber;\nSobject s = Database.query('SELECT AccountNumber FROM Account LIMIT 1');\ns.put(dfr.getsObjectField(), '12345');<\/code><\/pre>\n\n\n\n<p>Object \u6807\u91cf\u6570\u636e\u7c7b\u578b\u53ef\u7528\u4f5c\u6cdb\u578b \u6570\u636e\u7c7b\u578b\uff0c\u7528\u4e8e\u8bbe\u7f6e\u6216\u68c0\u7d22 sObject \u4e0a\u7684\u5b57\u6bb5\u503c\u3002\u8fd9\u662f\u7b49\u6548\u7684 \u66f4\u6539\u4e3a&nbsp;<a href=\"https:\/\/developer.salesforce.com\/docs\/atlas.en-us.246.0.object_reference.meta\/object_reference\/field_types.htm\" target=\"_blank\" rel=\"noreferrer noopener\">anyType<\/a>&nbsp;\u5b57\u6bb5\u7c7b\u578b\u3002 \u8bf7\u6ce8\u610f\uff0cObject \u6570\u636e\u7c7b\u578b\u4e0e sObject \u6570\u636e\u4e0d\u540c type\uff0c\u53ef\u7528\u4f5c\u4efb\u4f55 sObject \u7684\u6cdb\u578b\u7c7b\u578b\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f<\/p>\n\n\n\n<p><a><\/a>\u4f7f\u7528 API \u7248\u672c 15.0 \u4fdd\u5b58\uff08\u7f16\u8bd1\uff09\u7684 Apex \u7c7b\u548c\u89e6\u53d1\u5668 \u5982\u679c\u4e3a\u5b57\u6bb5\u5206\u914d\u7684 String \u503c\u592a\u957f\uff0c\u5219\u66f4\u9ad8\u4f1a\u4ea7\u751f\u8fd0\u884c\u65f6\u9519\u8bef\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a><\/a>\u8bbe\u7f6e\u548c\u68c0\u7d22 \u5916\u952e<\/h2>\n\n\n\n<p>Apex \u652f\u6301\u6309\u540d\u79f0\uff08\u6216\u5916\u90e8 ID\uff09\u586b\u5145\u5916\u952e\uff0c\u5176\u65b9\u5f0f\u4e0e API \u76f8\u540c\u3002\u8981\u8bbe\u7f6e \u6216\u68c0\u7d22\u5916\u952e\u7684\u6807\u91cf ID \u503c\uff0c\u4f7f\u7528 or \u65b9\u6cd5\u3002<samp>get<\/samp><samp>put<\/samp><\/p>\n\n\n\n<p>\u82e5\u8981\u8bbe\u7f6e\u6216\u68c0\u7d22\u4e0e\u5916\u952e\u5173\u8054\u7684<em>\u8bb0\u5f55<\/em>\uff0c\u8bf7\u4f7f\u7528 \u548c \u65b9\u6cd5\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u4e9b\u65b9\u6cd5\u5fc5\u987b\u4e0e sObject \u6570\u636e\u4e00\u8d77\u4f7f\u7528 \u7c7b\u578b\uff0c\u800c\u4e0d\u662f Object\u3002\u4f8b\u5982\uff1a<samp>getSObject<\/samp><samp>putSObject<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SObject c = \n   Database.query('SELECT Id, FirstName, AccountId, Account.Name FROM Contact LIMIT 1');\nSObject a = c.getSObject('Account');<\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528\u5b50\u9879\u65f6\uff0c\u65e0\u9700\u4e3a\u7236\u7ea7 sObject \u503c\u6307\u5b9a\u5916\u90e8 ID s\u5bf9\u8c61\u3002\u5982\u679c\u5728\u7236 sObject \u4e2d\u63d0\u4f9b ID\uff0c\u5219 DML \u64cd\u4f5c\u5c06\u5ffd\u7565\u8be5 ID\u3002\u9876\u70b9 \u5047\u8bbe\u5916\u952e\u662f\u901a\u8fc7\u5173\u7cfb SOQL \u67e5\u8be2\u586b\u5145\u7684\uff0c\u8be5\u67e5\u8be2\u59cb\u7ec8\u8fd4\u56de \u5177\u6709\u586b\u5145 ID \u7684\u7236\u5bf9\u8c61\u3002\u5982\u679c\u60a8\u6709 ID\uff0c\u8bf7\u5c06\u5176\u4e0e\u5b50\u5bf9\u8c61\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u81ea\u5b9a\u4e49\u5bf9\u8c61 C1 \u5177\u6709\u94fe\u63a5\u5230\u7236\u81ea\u5b9a\u4e49\u5bf9\u8c61 C2 \u7684\u5916\u952e\u3002\u60a8\u60f3\u8981\u521b\u5efa\u4e00\u4e2a C1 \u5bf9\u8c61\uff0c\u5e76\u5c06\u5176\u4e0e\u540d\u4e3a\u201cAW Computing\u201d\u7684 C2 \u8bb0\u5f55\u76f8\u5173\u8054\uff08\u5206\u914d\u7ed9 \u503c\uff09\u3002\u60a8\u4e0d\u9700\u8981 \u201cAW Computing\u201d\u8bb0\u5f55\uff0c\u56e0\u4e3a\u5b83\u662f\u901a\u8fc7\u7236\u7ea7\u4e0e \u5b69\u5b50\u3002\u4f8b\u5982\uff1a<samp>C2__c<\/samp><samp>C2__r<\/samp><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>insert new C1__c(Name = 'x', C2__r = new C2__c(Name = 'AW Computing'));<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u5df2\u4e3a \u7684 ID \u8d4b\u503c\uff0c\u5219 \u5c06\u88ab\u5ffd\u7565\u3002\u5982\u679c\u786e\u5b9e\u6709 ID\uff0c\u8bf7\u5c06\u5176\u5206\u914d\u7ed9\u5bf9\u8c61 \uff08\uff09\uff0c\u800c\u4e0d\u662f\u8bb0\u5f55\u3002<samp>C2__r<\/samp><samp>C2__c<\/samp>\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528\u52a8\u6001 Apex \u8bbf\u95ee\u5916\u952e\u3002\u4ee5\u4e0b\u793a\u4f8b\u6f14\u793a\u5982\u4f55\u83b7\u53d6 \u4f7f\u7528\u52a8\u6001\u7684\u7236\u5b50\u5173\u7cfb\u4e2d\u5b50\u67e5\u8be2\u7684\u503c \u9876\u70b9\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>String queryString = 'SELECT Id, Name, ' + \n           '(SELECT FirstName, LastName FROM Contacts LIMIT 1) FROM Account';\nSObject&#91;] queryParentObject = Database.query(queryString);\n         \nfor (SObject parentRecord : queryParentObject){ \n    Object ParentFieldValue = parentRecord.get('Name'); \n    \/\/ Prevent a null relationship from being accessed\n    SObject&#91;] childRecordsFromParent = parentRecord.getSObjects('Contacts');\n    if (childRecordsFromParent != null) {\n        for (SObject childRecord : childRecordsFromParent){ \n            Object ChildFieldValue1 = childRecord.get('FirstName'); \n            Object ChildFieldValue2 = childRecord.get('LastName'); \n            System.debug('Account Name: ' + ParentFieldValue + \n            '. Contact Name: '+ ChildFieldValue1 + ' ' + ChildFieldValue2);\n        }\n    }              \n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u8bbf\u95ee sObject \u548c\u5b57\u6bb5\u63cf\u8ff0\u4fe1\u606f\u63cf\u8ff0\u4fe1\u606f\u63d0\u4f9b\u6709\u5173 sObject \u548c\u5b57\u6bb5\u5c5e\u6027\u7684\u5143\u6570\u636e\u4fe1\u606f\u3002 \u4f8b\u5982\uff0csObject \u7684\u63cf\u8ff0\u4fe1\u606f\u5305\u62ec \u8be5\u7c7b\u578b\u7684 sObject \u652f\u6301\u521b\u5efa\u6216\u53d6\u6d88\u5220\u9664\u7b49\u64cd\u4f5c\uff0c sObject \u7684\u540d\u79f0\u548c\u6807\u7b7e\u3001sObject \u7684\u5b57\u6bb5\u548c\u5b50\u5bf9\u8c61\uff0c \u7b49\u7b49\u3002\u5b57\u6bb5\u7684\u63cf\u8ff0\u4fe1\u606f\u5305\u62ec \u5b57\u6bb5\u6709\u9ed8\u8ba4\u503c\uff0c\u662f\u5426\u4e3a\u8ba1\u7b97\u5b57\u6bb5\uff0c\u7c7b\u578b \u7684\u9886\u57df\uff0c\u4f9d\u6b64\u7c7b\u63a8\u3002\u8bf7\u6ce8\u610f\uff0c\u63cf\u8ff0\u4fe1\u606f\u63d0\u4f9b \u6709\u5173\u7ec4\u7ec7\u4e2d\u5bf9\u8c61\u7684\u4fe1\u606f\uff0c\u800c\u4e0d\u662f\u4e2a\u4eba\u7684\u4fe1\u606f \u8bb0\u5f55\u3002<\/p>\n","protected":false},"author":1,"featured_media":3664,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[199],"tags":[],"class_list":["post-3663","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-apex-"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - 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