{"id":720,"date":"2018-01-23T02:17:57","date_gmt":"2018-01-22T18:17:57","guid":{"rendered":"http:\/\/www.ponybai.com\/?p=720"},"modified":"2018-01-23T02:17:57","modified_gmt":"2018-01-22T18:17:57","slug":"apex-%e5%bc%82%e6%ad%a5%ef%bc%883%ef%bc%89%e6%89%b9%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=720","title":{"rendered":"Apex \u5f02\u6b65\uff083\uff09\u6279\u5904\u7406"},"content":{"rendered":"<div class=\"nested0\">\n<h2 id=\"Tdxn4tBK-heading1\" class=\"helpHead2\">\u5b66\u4e60\u76ee\u6807<\/h2>\n<div class=\"body\">\n<div class=\"p\">\u5b8c\u6210\u8fd9\u4e2a\u5355\u4f4d\u540e\uff0c\u4f60\u4f1a\u77e5\u9053\uff1a<\/p>\n<ul id=\"ul_p1t_xwy_w5\" class=\"ul bulletList\">\n<li class=\"li\">\u5728\u54ea\u91cc\u4f7f\u7528Batch Apex\u3002<\/li>\n<li class=\"li\">\u4f7f\u7528\u6279\u6b21\u65f6Apex\u9650\u5236\u8f83\u9ad8\u3002<\/li>\n<li class=\"li\">Batch Apex\u8bed\u6cd5\u3002<\/li>\n<li class=\"li\">\u6279\u91cfApex\u6700\u4f73\u5b9e\u8df5\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"async_apex_batch_intro\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading2\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\">Batch Apex<\/span><\/h2>\n<div class=\"body\">\n<p class=\"p\">Batch Apex\u7528\u4e8e\u8fd0\u884c\u5927\u578b\u5de5\u4f5c\uff08\u8ba4\u4e3a\u6570\u5343\u6216\u6570\u767e\u4e07\u6761\u8bb0\u5f55\uff01\uff09\uff0c\u8fd9\u5c06\u8d85\u51fa\u6b63\u5e38\u7684\u5904\u7406\u9650\u5236\u3002\u4f7f\u7528Batch Apex\uff0c\u60a8\u53ef\u4ee5\u6279\u91cf\u5f02\u6b65\u5904\u7406\u8bb0\u5f55\uff08\u56e0\u6b64\u540d\u79f0\u4e3a\u201cBatch Apex\u201d\uff09\u4ee5\u4fdd\u6301\u5e73\u53f0\u9650\u5236\u3002\u5982\u679c\u60a8\u6709\u5f88\u591a\u8bb0\u5f55\u8981\u5904\u7406\uff0c\u4f8b\u5982\u6570\u636e\u6e05\u7406\u6216\u5f52\u6863\uff0cBatch Apex\u53ef\u80fd\u662f\u60a8\u6700\u597d\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<div class=\"p\">Batch Apex\u7684\u5de5\u4f5c\u539f\u7406\u5982\u4e0b\u3002\u5047\u8bbe\u60a8\u60f3\u4f7f\u7528Batch Apex\u5904\u7406100\u4e07\u6761\u8bb0\u5f55\u3002\u5bf9\u4e8e\u60a8\u6b63\u5728\u5904\u7406\u7684\u6bcf\u6279\u8bb0\u5f55\uff0c\u6279\u5904\u7406\u7c7b\u7684\u6267\u884c\u903b\u8f91\u88ab\u8c03\u7528\u4e00\u6b21\u3002\u6bcf\u6b21\u8c03\u7528\u6279\u6b21\u7c7b\u65f6\uff0c\u4f5c\u4e1a\u5c06\u88ab\u653e\u7f6e\u5728Apex\u4f5c\u4e1a\u961f\u5217\u4e2d\uff0c\u5e76\u4f5c\u4e3a\u79bb\u6563\u4e8b\u52a1\u6267\u884c\u3002\u8fd9\u4e2a\u529f\u80fd\u6709\u4e24\u4e2a\u597d\u5904\uff1a<\/p>\n<ul id=\"ul_cng_cxy_w5\" class=\"ul bulletList\">\n<li class=\"li\">\u6bcf\u7b14\u4ea4\u6613\u90fd\u4ee5\u4e00\u7ec4\u65b0\u7684\u9650\u989d\u5f00\u59cb\uff0c\u66f4\u5bb9\u6613\u786e\u4fdd\u60a8\u7684\u4ee3\u7801\u4fdd\u6301\u5728\u9650\u989d\u6267\u884c\u8303\u56f4\u5185\u3002<\/li>\n<li class=\"li\">\u5982\u679c\u4e00\u4e2a\u6279\u5904\u7406\u5931\u8d25\uff0c\u5219\u6240\u6709\u5176\u4ed6\u6210\u529f\u7684\u6279\u5904\u7406\u4e8b\u52a1\u90fd\u4e0d\u4f1a\u56de\u6eda\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"async_apex_batch_syntax\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading3\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\">Batch Apex\u8bed\u6cd5<\/span><\/h2>\n<div class=\"body\">\n<p class=\"p\">\u8981\u7f16\u5199\u6279\u91cfApex\u7c7b\uff0c\u60a8\u7684\u7c7b\u5fc5\u987b\u5b9e\u73b0Database.Batchable\u63a5\u53e3\u5e76\u5305\u542b\u4ee5\u4e0b\u4e09\u79cd\u65b9\u6cd5\uff1a<\/p>\n<dl class=\"dl detailList\">\n<dt class=\"dt dlterm\">start<\/dt>\n<dd class=\"dd\">\u7528\u4e8e\u6536\u96c6\u8981\u4f20\u9012\u7ed9\u63a5\u53e3\u65b9\u6cd5\u7684\u8bb0\u5f55\u6216\u5bf9\u8c61\u6267\u884c\u5904\u7406\u3002\u6b64\u65b9\u6cd5\u5728Batch Apex\u4f5c\u4e1a\u5f00\u59cb\u65f6\u8c03\u7528\u4e00\u6b21\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2aDatabase.QueryLocator\u5bf9\u8c61\u6216\u4e00\u4e2a\u5305\u542b\u4f20\u9012\u7ed9\u4f5c\u4e1a\u7684\u8bb0\u5f55\u6216\u5bf9\u8c61\u7684Iterable\u3002<\/p>\n<p>\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0cQueryLocator\u901a\u8fc7\u7b80\u5355\u7684SOQL\u67e5\u8be2\u6765\u751f\u6210\u6279\u91cf\u4f5c\u4e1a\u4e2d\u7684\u5bf9\u8c61\u8303\u56f4\u3002\u4f46\u662f\uff0c\u5982\u679c\u60a8\u9700\u8981\u505a\u4e00\u4e9b\u75af\u72c2\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u5728\u4f20\u9012\u7ed9execute\u65b9\u6cd5\u4e4b\u524d\u5faa\u73af\u8c03\u7528API\u7684\u7ed3\u679c\u6216\u9884\u5904\u7406\u8bb0\u5f55\uff0c\u5219\u53ef\u80fd\u9700\u8981\u67e5\u770b\u53c2\u8003\u8d44\u6599\u90e8\u5206\u4e2d\u7684\u81ea\u5b9a\u4e49\u8fed\u4ee3\u5668\u94fe\u63a5\u3002<\/p>\n<p>\u4f7f\u7528QueryLocator\u5bf9\u8c61\uff0cSOQL\u67e5\u8be2\u68c0\u7d22\u7684\u8bb0\u5f55\u603b\u6570\u9650\u5236\u88ab\u7ed5\u8fc7\uff0c\u5e76\u4e14\u60a8\u53ef\u4ee5\u67e5\u8be2\u591a\u8fbe5000\u4e07\u6761\u8bb0\u5f55\u3002\u4f46\u662f\uff0c\u5bf9\u4e8eIterable\uff0c\u7531SOQL\u67e5\u8be2\u68c0\u7d22\u7684\u8bb0\u5f55\u603b\u6570\u7684\u9650\u5236\u4ecd\u7136\u662f\u5f3a\u5236\u6267\u884c\u7684\u3002<\/dd>\n<\/dl>\n<dl class=\"dl detailList\">\n<dt class=\"dt dlterm\">execute<\/dt>\n<dd class=\"dd\">\n<p class=\"p\">\u5bf9\u4f20\u9012\u7ed9\u65b9\u6cd5\u7684\u6bcf\u4e2a\u5757\u6216\u201c\u6279\u91cf\u201d\u6570\u636e\u6267\u884c\u5b9e\u9645\u5904\u7406\u3002\u9ed8\u8ba4\u7684\u6279\u91cf\u5927\u5c0f\u662f200\u6761\u8bb0\u5f55\u3002\u4e0d\u4fdd\u8bc1\u8bb0\u5f55\u6279\u6309\u4ece\u542f\u52a8\u65b9\u6cd5\u6536\u5230\u7684\u987a\u5e8f\u6267\u884c\u3002<\/p>\n<div class=\"p\">\u8be5\u65b9\u6cd5\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<ul id=\"ul_bwx_4xy_w5\" class=\"ul bulletList\">\n<li class=\"li\">\u5bf9Database.BatchableContext\u5bf9\u8c61\u7684\u5f15\u7528\u3002<\/li>\n<li class=\"li\">sObject\u7684\u5217\u8868\uff0c\u4f8b\u5982List &lt;sObject&gt;\u6216\u8005\u53c2\u6570\u5316\u7c7b\u578b\u5217\u8868\u3002\u5982\u679c\u60a8\u6b63\u5728\u4f7f\u7528Database.QueryLocator\uff0c\u8bf7\u4f7f\u7528\u8fd4\u56de\u7684\u5217\u8868\u3002<\/li>\n<\/ul>\n<\/div>\n<\/dd>\n<\/dl>\n<dl class=\"dl detailList\">\n<dt class=\"dt dlterm\">finish<\/dt>\n<dd class=\"dd\">\u7528\u4e8e\u6267\u884c\u540e\u5904\u7406\u64cd\u4f5c\uff08\u4f8b\u5982\uff0c\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\uff09\u5e76\u5728\u6240\u6709\u6279\u5904\u7406\u5b8c\u6210\u540e\u8c03\u7528\u4e00\u6b21\u3002<\/dd>\n<\/dl>\n<p class=\"p\">\u4ee5\u4e0b\u662fBatch Apex\u7c7b\u7684\u6846\u67b6\uff1a<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\"  language-java\">global <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyBatchClass<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Database<span class=\"token punctuation\">.<\/span>Batchable<\/span><span class=\"token operator\">&lt;<\/span>sObject<span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\">{<\/span>\n\n    global <span class=\"token punctuation\">(<\/span>Database<span class=\"token punctuation\">.<\/span>QueryLocator <span class=\"token operator\">|<\/span> Iterable<span class=\"token operator\">&lt;<\/span>sObject<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span>Database<span class=\"token punctuation\">.<\/span>BatchableContext bc<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        <span class=\"token comment\">\/\/ \u6536\u96c6\u8981\u4f20\u9012\u7684\u8bb0\u5f55\u6216\u5bf9\u8c61\u7684\u6279\u5904\u7406\u6267\u884c<\/span>\n    <span class=\"token punctuation\">}<\/span>\n\n    global <span class=\"token keyword\">void<\/span> <span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span>Database<span class=\"token punctuation\">.<\/span>BatchableContext bc<span class=\"token punctuation\">,<\/span> List<span class=\"token operator\">&lt;<\/span>P<span class=\"token operator\">&gt;<\/span> records<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        <span class=\"token comment\">\/\/ \u5904\u7406\u6bcf\u6279\u8bb0\u5f55<\/span>\n    <span class=\"token punctuation\">}<\/span>    \n\n    global <span class=\"token keyword\">void<\/span> <span class=\"token function\">finish<\/span><span class=\"token punctuation\">(<\/span>Database<span class=\"token punctuation\">.<\/span>BatchableContext bc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        <span class=\"token comment\">\/\/ \u6267\u884c\u4efb\u4f55\u540e\u671f\u5904\u7406\u64cd\u4f5c<\/span>\n    <span class=\"token punctuation\">}<\/span>    \n\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"async_apex_batch_invoking\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading4\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\">\u8c03\u7528\u6279\u5904\u7406\u7c7b<\/span><\/h2>\n<div class=\"body\">\n<p class=\"p\">\u8981\u8c03\u7528\u6279\u5904\u7406\u7c7b\uff0c\u53ea\u9700\u5b9e\u4f8b\u5316\u5b83\uff0c\u7136\u540e\u8c03\u7528Database.executeBatch\u4e0e\u5b9e\u4f8b\uff1a<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\"  language-java\">MyBatchClass myBatchObject <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MyBatchClass<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> \nId batchId <span class=\"token operator\">=<\/span> Database<span class=\"token punctuation\">.<\/span><span class=\"token function\">executeBatch<\/span><span class=\"token punctuation\">(<\/span>myBatchObject<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\u60a8\u8fd8\u53ef\u4ee5\u9009\u62e9\u4f20\u9012\u7b2c\u4e8c\u4e2a\u4f5c\u7528\u57df\u53c2\u6570\uff0c\u4ee5\u6307\u5b9a\u5e94\u8be5\u4f20\u9012\u5230\u6bcf\u4e2a\u6279\u5904\u7406\u7684\u6267\u884c\u65b9\u6cd5\u7684\u8bb0\u5f55\u6570\u3002\u4e13\u5bb6\u63d0\u793a\uff1a\u5982\u679c\u60a8\u9047\u5230\u7ba1\u7406\u5458\u9650\u5236\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u9650\u5236\u6b64\u6279\u91cf\u3002<\/div>\n<\/div>\n<\/div>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\"  language-java\">Id batchId <span class=\"token operator\">=<\/span> Database<span class=\"token punctuation\">.<\/span><span class=\"token function\">executeBatch<\/span><span class=\"token punctuation\">(<\/span>myBatchObject<span class=\"token punctuation\">,<\/span> <span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\u6bcf\u4e2a\u6279\u6b21\u7684Apex\u8c03\u7528\u90fd\u5c06\u521b\u5efa\u4e00\u4e2aAsyncApexJob\u8bb0\u5f55\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u8ddf\u8e2a\u4f5c\u4e1a\u7684\u8fdb\u5ea6\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7SOQL\u67e5\u770b\u8fdb\u5ea6\u6216\u5728Apex\u4f5c\u4e1a\u961f\u5217\u4e2d\u7ba1\u7406\u4f5c\u4e1a\u3002\u6211\u4eec\u9a6c\u4e0a\u8c08\u8c08Job Queue\u3002<\/div>\n<\/div>\n<\/div>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\"  language-java\">AsyncApexJob job <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span>SELECT Id<span class=\"token punctuation\">,<\/span> Status<span class=\"token punctuation\">,<\/span> JobItemsProcessed<span class=\"token punctuation\">,<\/span> TotalJobItems<span class=\"token punctuation\">,<\/span> NumberOfErrors FROM AsyncApexJob WHERE ID <span class=\"token operator\">=<\/span> <span class=\"token operator\">:<\/span>batchId <span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\"><span style=\"font-size: 29px; font-weight: bold;\">Batch Apex<\/span><span style=\"font-size: 29px; font-weight: bold;\">\u4f7f\u7528\u72b6\u6001<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"async_apex_batch_using_state\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<div class=\"body\">\n<p class=\"p\">Batch Apex\u901a\u5e38\u662f\u65e0\u72b6\u6001\u7684\u3002\u6279\u91cfApex\u4f5c\u4e1a\u7684\u6bcf\u6b21\u6267\u884c\u90fd\u88ab\u89c6\u4e3a\u79bb\u6563\u4e8b\u52a1\u3002\u4f8b\u5982\uff0c\u5305\u542b1,000\u6761\u8bb0\u5f55\u5e76\u4f7f\u7528\u9ed8\u8ba4\u6279\u91cf\u5927\u5c0f\u7684\u6279\u91cfApex\u4f5c\u4e1a\u88ab\u89c6\u4e3a\u6bcf\u4e2a200\u6761\u8bb0\u5f55\u7684\u4e94\u4e2a\u4e8b\u52a1\u3002<\/p>\n<p class=\"p\">\u5982\u679c\u5728\u7c7b\u5b9a\u4e49\u4e2d\u6307\u5b9aDatabase.Stateful\uff0c\u5219\u53ef\u4ee5\u5728\u6240\u6709\u4e8b\u52a1\u4e2d\u7ef4\u62a4\u72b6\u6001\u3002\u5f53\u4f7f\u7528Database.Stateful\u65f6\uff0c\u53ea\u6709\u5b9e\u4f8b\u6210\u5458\u53d8\u91cf\u5728\u4e8b\u52a1\u4e4b\u95f4\u4fdd\u7559\u5b83\u4eec\u7684\u503c\u3002\u7ef4\u62a4\u72b6\u6001\u5bf9\u4e8e\u8ba1\u7b97\u6216\u6c47\u603b\u5904\u7406\u8bb0\u5f55\u975e\u5e38\u6709\u7528\u3002\u5728\u4e0b\u4e00\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u66f4\u65b0\u6279\u5904\u7406\u4f5c\u4e1a\u4e2d\u7684\u8054\u7cfb\u4eba\u8bb0\u5f55\uff0c\u5e76\u8981\u8ddf\u8e2a\u53d7\u5f71\u54cd\u7684\u603b\u8bb0\u5f55\uff0c\u4ee5\u4fbf\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u5305\u542b\u5728\u901a\u77e5\u7535\u5b50\u90ae\u4ef6\u4e2d\u3002<\/p>\n<div class=\"section\">\n<h3 id=\"Tdxn4tBK-heading6\" class=\"helpHead3\">Batch Apex\u4f8b\u5b50\u4ee3\u7801<\/h3>\n<p>\u73b0\u5728\u4f60\u5df2\u7ecf\u77e5\u9053\u5982\u4f55\u7f16\u5199\u4e00\u4e2aBatch Apex\u7c7b\u4e86\uff0c\u6211\u4eec\u6765\u770b\u4e00\u4e2a\u5b9e\u9645\u7684\u4f8b\u5b50\u3002\u5047\u8bbe\u60a8\u6709\u4e00\u9879\u4e1a\u52a1\u8981\u6c42\uff0c\u5373\u7f8e\u56fd\u516c\u53f8\u7684\u6240\u6709\u8054\u7cfb\u4eba\u90fd\u5fc5\u987b\u5c06\u5176\u6bcd\u516c\u53f8\u7684\u5e10\u5355\u90ae\u5bc4\u5730\u5740\u4f5c\u4e3a\u90ae\u5bc4\u5730\u5740\u3002\u4e0d\u5e78\u7684\u662f\uff0c\u7528\u6237\u8f93\u5165\u7684\u65b0\u8054\u7cfb\u4eba\u6ca1\u6709\u6b63\u786e\u7684\u5730\u5740\uff01\u7528\u6237\u4e0d\u4f1a\u5b66\u4e60\uff1f\uff01\u7f16\u5199\u4e00\u4e2a\u6279\u5904\u7406Apex\u7c7b\uff0c\u786e\u4fdd\u8fd9\u4e2a\u8981\u6c42\u88ab\u5f3a\u5236\u6267\u884c\u3002<\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u7c7b\u67e5\u627e\u4f7f\u7528QueryLocator\u7531start\uff08\uff09\u65b9\u6cd5\u4f20\u5165\u7684\u6240\u6709\u5e10\u6237\u8bb0\u5f55\uff0c\u5e76\u4f7f\u7528\u5176\u5e10\u6237\u7684\u90ae\u5bc4\u5730\u5740\u66f4\u65b0\u5173\u8054\u7684\u8054\u7cfb\u4eba\u3002\u6700\u540e\uff0c\u5b83\u53d1\u9001\u4e00\u4e2a\u5305\u542b\u6279\u91cf\u4f5c\u4e1a\u7ed3\u679c\u7684\u7535\u5b50\u90ae\u4ef6\uff0c\u56e0\u4e3a\u6211\u4eec\u4f7f\u7528Database.Stateful\u6765\u8ddf\u8e2a\u72b6\u6001\uff0c\u6240\u4ee5\u66f4\u65b0\u8bb0\u5f55\u7684\u6570\u91cf\u3002<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\"  language-java\">global <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UpdateContactAddresses<\/span> <span class=\"token keyword\">implements<\/span> \n    <span class=\"token class-name\">Database<span class=\"token punctuation\">.<\/span>Batchable<\/span><span class=\"token operator\">&lt;<\/span>sObject<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span> Database<span class=\"token punctuation\">.<\/span>Stateful <span class=\"token punctuation\">{<\/span>\n    \n    <span class=\"token comment\">\/\/ \u5b9e\u4f8b\u6210\u5458\u5728\u4e8b\u52a1\u4e2d\u4fdd\u6301\u72b6\u6001<\/span>\n    global Integer recordsProcessed <span class=\"token operator\">=<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>\n\n    global Database<span class=\"token punctuation\">.<\/span>QueryLocator <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span>Database<span class=\"token punctuation\">.<\/span>BatchableContext bc<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        <span class=\"token keyword\">return<\/span> Database<span class=\"token punctuation\">.<\/span><span class=\"token function\">getQueryLocator<\/span><span class=\"token punctuation\">(<\/span>\n            <span class=\"token string\">'SELECT ID, BillingStreet, BillingCity, BillingState, '<\/span> <span class=\"token operator\">+<\/span>\n            <span class=\"token string\">'BillingPostalCode, (SELECT ID, MailingStreet, MailingCity, '<\/span> <span class=\"token operator\">+<\/span>\n            <span class=\"token string\">'MailingState, MailingPostalCode FROM Contacts) FROM Account '<\/span> <span class=\"token operator\">+<\/span> \n            <span class=\"token string\">'Where BillingCountry = \\'USA\\''<\/span>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n\n    global <span class=\"token keyword\">void<\/span> <span class=\"token function\">execute<\/span><span class=\"token punctuation\">(<\/span>Database<span class=\"token punctuation\">.<\/span>BatchableContext bc<span class=\"token punctuation\">,<\/span> List<span class=\"token operator\">&lt;<\/span>Account<span class=\"token operator\">&gt;<\/span> scope<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        <span class=\"token comment\">\/\/ \u5904\u7406\u6bcf\u6279\u8bb0\u5f55<\/span>\n        List<span class=\"token operator\">&lt;<\/span>Contact<span class=\"token operator\">&gt;<\/span> contacts <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">List<\/span><span class=\"token operator\">&lt;<\/span>Contact<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Account account <span class=\"token operator\">:<\/span> scope<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Contact contact <span class=\"token operator\">:<\/span> account<span class=\"token punctuation\">.<\/span>contacts<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n                contact<span class=\"token punctuation\">.<\/span>MailingStreet <span class=\"token operator\">=<\/span> account<span class=\"token punctuation\">.<\/span>BillingStreet<span class=\"token punctuation\">;<\/span>\n                contact<span class=\"token punctuation\">.<\/span>MailingCity <span class=\"token operator\">=<\/span> account<span class=\"token punctuation\">.<\/span>BillingCity<span class=\"token punctuation\">;<\/span>\n                contact<span class=\"token punctuation\">.<\/span>MailingState <span class=\"token operator\">=<\/span> account<span class=\"token punctuation\">.<\/span>BillingState<span class=\"token punctuation\">;<\/span>\n                contact<span class=\"token punctuation\">.<\/span>MailingPostalCode <span class=\"token operator\">=<\/span> account<span class=\"token punctuation\">.<\/span>BillingPostalCode<span class=\"token punctuation\">;<\/span>\n                <span class=\"token comment\">\/\/ \u6dfb\u52a0\u8054\u7cfb\u4eba\u5217\u8868\u8fdb\u884c\u66f4\u65b0<\/span>\n                contacts<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span>contact<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n                <span class=\"token comment\">\/\/ \u589e\u52a0\u5b9e\u4f8b\u6210\u5458\u8ba1\u6570\u5668<\/span>\n                recordsProcessed <span class=\"token operator\">=<\/span> recordsProcessed <span class=\"token operator\">+<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span>\n            <span class=\"token punctuation\">}<\/span>\n        <span class=\"token punctuation\">}<\/span>\n        update contacts<span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>    \n\n    global <span class=\"token keyword\">void<\/span> <span class=\"token function\">finish<\/span><span class=\"token punctuation\">(<\/span>Database<span class=\"token punctuation\">.<\/span>BatchableContext bc<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">{<\/span>\n        System<span class=\"token punctuation\">.<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span>recordsProcessed <span class=\"token operator\">+<\/span> <span class=\"token string\">' records processed. Shazam!'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        AsyncApexJob job <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span>SELECT Id<span class=\"token punctuation\">,<\/span> Status<span class=\"token punctuation\">,<\/span> NumberOfErrors<span class=\"token punctuation\">,<\/span> \n            JobItemsProcessed<span class=\"token punctuation\">,<\/span>\n            TotalJobItems<span class=\"token punctuation\">,<\/span> CreatedBy<span class=\"token punctuation\">.<\/span>Email\n            FROM AsyncApexJob\n            WHERE Id <span class=\"token operator\">=<\/span> <span class=\"token operator\">:<\/span>bc<span class=\"token punctuation\">.<\/span><span class=\"token function\">getJobId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token comment\">\/\/ \u8c03\u7528\u4e00\u4e9b\u5b9e\u7528\u7a0b\u5e8f\u53d1\u9001\u7535\u5b50\u90ae\u4ef6<\/span>\n        EmailUtils<span class=\"token punctuation\">.<\/span><span class=\"token function\">sendMessage<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">,<\/span> recordsProcessed<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>    \n\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\u4ee3\u7801\u5e94\u8be5\u662f\u76f8\u5f53\u76f4\u63a5\u7684\uff0c\u4f46\u5728\u73b0\u5b9e\u4e2d\u53ef\u80fd\u4f1a\u6709\u70b9\u62bd\u8c61\u3002\u4ee5\u4e0b\u662f\u66f4\u8be6\u7ec6\u7684\u5185\u5bb9\uff1a<\/div>\n<\/div>\n<\/div>\n<div class=\"p\">\n<ul id=\"ul_bh5_xyy_w5\" class=\"ul bulletList\">\n<li class=\"li\">start\u65b9\u6cd5\u63d0\u4f9b\u4e86\u6267\u884c\u65b9\u6cd5\u5c06\u5728\u5355\u4e2a\u6279\u5904\u7406\u4e2d\u5904\u7406\u7684\u6240\u6709\u8bb0\u5f55\u7684\u96c6\u5408\u3002\u5b83\u901a\u8fc7\u4f7f\u7528SOQL\u67e5\u8be2\u8c03\u7528Database.getQueryLocator\u6765\u8fd4\u56de\u8981\u5904\u7406\u7684\u8bb0\u5f55\u5217\u8868\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ea\u9700\u67e5\u8be2\u201c\u7f8e\u56fd\u201d\u7684\u5e10\u5355\u56fd\u5bb6\/\u5730\u533a\u7684\u6240\u6709\u5e10\u6237\u8bb0\u5f55\u3002<\/li>\n<li class=\"li\">\u6bcf\u4e2a\u6279\u6b21\u7684200\u6761\u8bb0\u5f55\u90fd\u5728\u6267\u884c\u65b9\u6cd5\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e2d\u4f20\u9012\u3002 execute\u65b9\u6cd5\u5c06\u6bcf\u4e2a\u8054\u7cfb\u4eba\u7684\u90ae\u5bc4\u5730\u5740\u8bbe\u7f6e\u4e3a\u5e10\u6237\u7684\u5e10\u5355\u5730\u5740\uff0c\u5e76\u589e\u52a0recordsProcessed\u4ee5\u8ddf\u8e2a\u5904\u7406\u7684\u8bb0\u5f55\u6570\u3002<\/li>\n<li class=\"li\">\u4f5c\u4e1a\u5b8c\u6210\u540e\uff0c\u5b8c\u6210\u65b9\u6cd5\u5c06\u5728AsyncApexJob\u5bf9\u8c61\uff08\u5217\u51fa\u6709\u5173\u6279\u5904\u7406\u4f5c\u4e1a\u7684\u4fe1\u606f\u7684\u8868\uff09\u4e0a\u6267\u884c\u67e5\u8be2\uff0c\u4ee5\u83b7\u53d6\u4f5c\u4e1a\u7684\u72b6\u6001\uff0c\u63d0\u4ea4\u8005\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u4ee5\u53ca\u5176\u4ed6\u4fe1\u606f\u3002\u7136\u540e\u5b83\u4f1a\u53d1\u9001\u4e00\u5c01\u901a\u77e5\u90ae\u4ef6\u7ed9\u4f5c\u4e1a\u63d0\u4ea4\u8005\uff0c\u5176\u4e2d\u5305\u62ec\u5de5\u4f5c\u4fe1\u606f\u548c\u8054\u7cfb\u4eba\u6570\u91cf\u7684\u66f4\u65b0\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"async_apex_batch_testing\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading7\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\">\u6d4b\u8bd5Batch Apex<\/span><\/h2>\n<div class=\"body\">\n<p class=\"p\">\u7531\u4e8eApex\u5f00\u53d1\u548c\u6d4b\u8bd5\u9f50\u5934\u5e76\u8fdb\uff0c\u6240\u4ee5\u6211\u4eec\u5982\u4f55\u6d4b\u8bd5\u4e0a\u8ff0\u6279\u6b21\u7c7b\u3002\u7b80\u800c\u8a00\u4e4b\uff0c\u6211\u4eec\u63d2\u5165\u4e00\u4e9b\u8bb0\u5f55\uff0c\u8c03\u7528Batch Apex\u7c7b\uff0c\u7136\u540e\u7528\u6b63\u786e\u7684\u5730\u5740\u58f0\u660e\u8bb0\u5f55\u5df2\u7ecf\u6b63\u786e\u66f4\u65b0\u3002<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\"  language-java\"><span class=\"token annotation punctuation\">@isTest<\/span>\n<span class=\"token keyword\">private<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UpdateContactAddressesTest<\/span> <span class=\"token punctuation\">{<\/span>\n\n    <span class=\"token annotation punctuation\">@testSetup<\/span> \n    <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">setup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        List<span class=\"token operator\">&lt;<\/span>Account<span class=\"token operator\">&gt;<\/span> accounts <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">List<\/span><span class=\"token operator\">&lt;<\/span>Account<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        List<span class=\"token operator\">&lt;<\/span>Contact<span class=\"token operator\">&gt;<\/span> contacts <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">List<\/span><span class=\"token operator\">&lt;<\/span>Contact<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token comment\">\/\/ \u63d2\u516510\u4e2a\u5e10\u6237<\/span>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Integer i<span class=\"token operator\">=<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">&lt;<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">;<\/span>i<span class=\"token operator\">++<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n            accounts<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Account<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token operator\">=<\/span><span class=\"token string\">'Account '<\/span><span class=\"token operator\">+<\/span>i<span class=\"token punctuation\">,<\/span> \n                billingcity<span class=\"token operator\">=<\/span><span class=\"token string\">'New York'<\/span><span class=\"token punctuation\">,<\/span> billingcountry<span class=\"token operator\">=<\/span><span class=\"token string\">'USA'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token punctuation\">}<\/span>\n        insert accounts<span class=\"token punctuation\">;<\/span>\n        <span class=\"token comment\">\/\/ \u627e\u5230\u521a\u63d2\u5165\u7684\u5e10\u53f7\u3002\u4e3a\u6bcf\u4e2a\u6dfb\u52a0\u8054\u7cfb\u4eba<\/span>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Account account <span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span>select id from account<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n            contacts<span class=\"token punctuation\">.<\/span><span class=\"token function\">add<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Contact<\/span><span class=\"token punctuation\">(<\/span>firstname<span class=\"token operator\">=<\/span><span class=\"token string\">'first'<\/span><span class=\"token punctuation\">,<\/span> \n                lastname<span class=\"token operator\">=<\/span><span class=\"token string\">'last'<\/span><span class=\"token punctuation\">,<\/span> accountId<span class=\"token operator\">=<\/span>account<span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token punctuation\">}<\/span>\n        insert contacts<span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n\n    <span class=\"token keyword\">static<\/span> testmethod <span class=\"token keyword\">void<\/span> <span class=\"token function\">test<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>        \n        Test<span class=\"token punctuation\">.<\/span><span class=\"token function\">startTest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        UpdateContactAddresses uca <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">UpdateContactAddresses<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        Id batchId <span class=\"token operator\">=<\/span> Database<span class=\"token punctuation\">.<\/span><span class=\"token function\">executeBatch<\/span><span class=\"token punctuation\">(<\/span>uca<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        Test<span class=\"token punctuation\">.<\/span><span class=\"token function\">stopTest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n\n        <span class=\"token comment\">\/\/ \u5728\u6d4b\u8bd5\u505c\u6b62\u4e4b\u540e\uff0c\u58f0\u660e\u8bb0\u5f55\u88ab\u6b63\u786e\u66f4\u65b0<\/span>\n        System<span class=\"token punctuation\">.<\/span><span class=\"token function\">assertEquals<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">[<\/span>select <span class=\"token function\">count<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> from contact where MailingCity <span class=\"token operator\">=<\/span> <span class=\"token string\">'New York'<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    \n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\u8bbe\u7f6e\u65b9\u6cd5\u63d2\u516510\u4e2a\u5e10\u6237\u8bb0\u5f55\uff0c\u5f00\u7968\u57ce\u5e02\u4e3a\u201c\u7ebd\u7ea6\u201d\uff0c\u5f00\u7968\u56fd\u5bb6\u4e3a\u201c\u7f8e\u56fd\u201d\u3002\u7136\u540e\u4e3a\u6bcf\u4e2a\u5e10\u6237\u521b\u5efa\u4e00\u4e2a\u5173\u8054\u7684\u8054\u7cfb\u4eba\u8bb0\u5f55\u3002\u8be5\u6570\u636e\u7531\u6279\u6b21\u7c7b\u4f7f\u7528\u3002<\/div>\n<\/div>\n<\/div>\n<div class=\"box message info\">\n<div class=\"inner\">\n<div class=\"bd\">\n<div class=\"media\">\n<div class=\"mediaBd\">\n<h4 class=\"mbs\">\u6ce8\u610f<\/h4>\n<p>\u786e\u4fdd\u63d2\u5165\u7684\u8bb0\u5f55\u6570\u5c0f\u4e8e\u6279\u91cf\u5927\u5c0f200\uff0c\u56e0\u4e3a\u6d4b\u8bd5\u65b9\u6cd5\u53ea\u80fd\u6267\u884c\u4e00\u4e2a\u6279\u6b21\u603b\u6570\u3002<\/p>\n<p>\u5728\u6d4b\u8bd5\u65b9\u6cd5\u4e2d\uff0cUpdateContactAddresses\u6279\u6b21\u7c7b\u88ab\u5b9e\u4f8b\u5316\uff0c\u901a\u8fc7\u8c03\u7528Database.executeBatch\u5e76\u5c06\u5176\u4f20\u9012\u7ed9\u6279\u6b21\u7c7b\u7684\u5b9e\u4f8b\u6765\u8c03\u7528\u3002<\/p>\n<p>\u5bf9Database.executeBatch\u7684\u8c03\u7528\u5305\u542b\u5728Test.startTest\u548cTest.stopTest\u5757\u4e2d\u3002\u8fd9\u5c31\u662f\u6240\u6709\u9b54\u6cd5\u53d1\u751f\u7684\u5730\u65b9\u3002\u5728\u8c03\u7528Test.stopTest\u4e4b\u540e\u6267\u884c\u4f5c\u4e1a\u3002\u5305\u542b\u5728Test.startTest\u548cTest.stopTest\u4e2d\u7684\u4efb\u4f55\u5f02\u6b65\u4ee3\u7801\u90fd\u662f\u5728Test.stopTest\u4e4b\u540e\u540c\u6b65\u6267\u884c\u7684\u3002<\/p>\n<p>\u6700\u540e\uff0c\u6d4b\u8bd5\u901a\u8fc7\u68c0\u67e5\u7ed3\u7b97\u57ce\u5e02\u201c\u7ebd\u7ea6\u201d\u7684\u8054\u7cfb\u4eba\u8bb0\u5f55\u6570\u91cf\u4e0e\u63d2\u5165\u7684\u8bb0\u5f55\u6570\u91cf\uff08\u537310\uff09\u76f8\u5339\u914d\u6765\u9a8c\u8bc1\u6240\u6709\u8054\u7cfb\u4eba\u8bb0\u5f55\u5df2\u88ab\u6b63\u786e\u66f4\u65b0\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"async_apex_batch_best_practices\" class=\"topic nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading8\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\">\u6700\u4f73\u5b9e\u8df5<\/span><\/h2>\n<div class=\"body\">\n<div class=\"p\">\u4e0e\u672a\u6765\u7684\u65b9\u6cd5\u4e00\u6837\uff0c\u5728\u4f7f\u7528Batch Apex\u65f6\uff0c\u60a8\u8fd8\u662f\u8981\u8bb0\u4f4f\u4e00\u4e9b\u4e8b\u60c5\u3002\u4e3a\u786e\u4fdd\u5feb\u901f\u6267\u884c\u6279\u5904\u7406\u4f5c\u4e1a\uff0c\u8bf7\u5c3d\u91cf\u51cf\u5c11Web\u670d\u52a1\u8c03\u51fa\u65f6\u95f4\u5e76\u8c03\u6574\u6279\u5904\u7406Apex\u4ee3\u7801\u4e2d\u4f7f\u7528\u7684\u67e5\u8be2\u3002\u6279\u5904\u7406\u4f5c\u4e1a\u6267\u884c\u7684\u65f6\u95f4\u8d8a\u957f\uff0c\u5f53\u8bb8\u591a\u4f5c\u4e1a\u5728\u961f\u5217\u4e2d\u65f6\uff0c\u5176\u4ed6\u6392\u961f\u7684\u4f5c\u4e1a\u5c31\u8d8a\u6709\u53ef\u80fd\u88ab\u5ef6\u8fdf\u3002\u6700\u4f73\u5b9e\u8df5\u5305\u62ec\uff1a<\/p>\n<ul id=\"ul_v25_pzy_w5\" class=\"ul bulletList\">\n<li class=\"li\">\u5982\u679c\u60a8\u6709\u591a\u4e2a\u6279\u6b21\u7684\u8bb0\u5f55\uff0c\u8bf7\u4ec5\u4f7f\u7528Batch Apex\u3002\u5982\u679c\u60a8\u6ca1\u6709\u8db3\u591f\u7684\u8bb0\u5f55\u6765\u8fd0\u884c\u591a\u4e2a\u6279\u6b21\uff0c\u5219\u6700\u597d\u4f7f\u7528Queueable Apex\u3002<\/li>\n<li class=\"li\">\u8c03\u6574\u4efb\u4f55SOQL\u67e5\u8be2\u4ee5\u5c3d\u53ef\u80fd\u5feb\u5730\u6536\u96c6\u8981\u6267\u884c\u7684\u8bb0\u5f55\u3002<\/li>\n<li class=\"li\">\u5c3d\u91cf\u51cf\u5c11\u521b\u5efa\u7684\u5f02\u6b65\u8bf7\u6c42\u7684\u6570\u91cf\uff0c\u4ee5\u5c3d\u91cf\u51cf\u5c11\u5ef6\u8fdf\u7684\u673a\u4f1a\u3002<\/li>\n<li class=\"li\">\u5982\u679c\u60a8\u6253\u7b97\u4ece\u89e6\u53d1\u5668\u8c03\u7528\u6279\u5904\u7406\u4f5c\u4e1a\uff0c\u8bf7\u7279\u522b\u5c0f\u5fc3\u3002\u60a8\u5fc5\u987b\u80fd\u591f\u4fdd\u8bc1\u89e6\u53d1\u5668\u4e0d\u4f1a\u6dfb\u52a0\u6bd4\u9650\u5236\u66f4\u591a\u7684\u6279\u5904\u7406\u4f5c\u4e1a\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u76ee\u6807 \u5b8c\u6210\u8fd9\u4e2a\u5355\u4f4d\u540e\uff0c\u4f60\u4f1a\u77e5\u9053\uff1a \u5728\u54ea\u91cc\u4f7f\u7528Batch Apex\u3002 \u4f7f\u7528\u6279\u6b21\u65f6Apex\u9650\u5236\u8f83\u9ad8\u3002 Batc &hellip; <a href=\"http:\/\/www.ponybai.com\/?p=720\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">Apex \u5f02\u6b65\uff083\uff09\u6279\u5904\u7406<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-720","post","type-post","status-publish","format-standard","hentry","category-apex-"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Apex \u5f02\u6b65\uff083\uff09\u6279\u5904\u7406 - \u767d\u767d\u968f\u7b14<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.ponybai.com\/?p=720\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Apex \u5f02\u6b65\uff083\uff09\u6279\u5904\u7406 - \u767d\u767d\u968f\u7b14\" \/>\n<meta property=\"og:description\" content=\"\u5b66\u4e60\u76ee\u6807 \u5b8c\u6210\u8fd9\u4e2a\u5355\u4f4d\u540e\uff0c\u4f60\u4f1a\u77e5\u9053\uff1a \u5728\u54ea\u91cc\u4f7f\u7528Batch Apex\u3002 \u4f7f\u7528\u6279\u6b21\u65f6Apex\u9650\u5236\u8f83\u9ad8\u3002 Batc &hellip; \u7ee7\u7eed\u9605\u8bfbApex \u5f02\u6b65\uff083\uff09\u6279\u5904\u7406\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.ponybai.com\/?p=720\" \/>\n<meta property=\"og:site_name\" content=\"\u767d\u767d\u968f\u7b14\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-22T18:17:57+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/11\/cropped-weixin2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"248\" \/>\n\t<meta property=\"og:image:height\" content=\"248\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"ponybai\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"ponybai\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\/\/www.ponybai.com\/?p=720#article\",\"isPartOf\":{\"@id\":\"http:\/\/www.ponybai.com\/?p=720\"},\"author\":{\"name\":\"ponybai\",\"@id\":\"http:\/\/www.ponybai.com\/#\/schema\/person\/935c7592c850c65e1e5eba4530dbf883\"},\"headline\":\"Apex 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