{"id":571,"date":"2018-01-19T14:38:58","date_gmt":"2018-01-19T06:38:58","guid":{"rendered":"http:\/\/www.ponybai.com\/?p=571"},"modified":"2018-01-19T14:38:58","modified_gmt":"2018-01-19T06:38:58","slug":"salesforce-triggers%ef%bc%881%ef%bc%89","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=571","title":{"rendered":"Salesforce Triggers\uff081\uff09"},"content":{"rendered":"<div class=\"nested0\">\n<h2 id=\"Tdxn4tBK-heading1\" class=\"helpHead2\">\u5b66\u4e60\u76ee\u6807<\/h2>\n<div class=\"body\">\n<div id=\"p2\" class=\"p\">\n<p>\u5b8c\u6210\u672c\u5355\u5143\u540e\uff0c\u60a8\u5c06\u80fd\u591f\uff1a<\/p>\n<ul class=\"ul bulletList\">\n<li class=\"li\">\u7f16\u5199\u4e00\u4e2aSalesforce\u5bf9\u8c61\u7684\u89e6\u53d1\u5668\u3002<\/li>\n<li class=\"li\">\u4f7f\u7528\u89e6\u53d1\u5668\u4e0a\u4e0b\u6587\u53d8\u91cf<\/li>\n<li class=\"li\">\u4ece\u89e6\u53d1\u5668\u8c03\u7528\u7c7b\u65b9\u6cd5\u3002<\/li>\n<li class=\"li\">\u5728\u89e6\u53d1\u5668\u4e2d\u4f7f\u7528sObject addError\uff08\uff09\u65b9\u6cd5\u6765\u9650\u5236\u4fdd\u5b58\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<div id=\"apex_triggers_intro\" class=\"topic concept nested0\" lang=\"en-us\" xml:lang=\"en-us\">\n<h2 id=\"Tdxn4tBK-heading2\" class=\"helpHead2\"><span id=\"topic-title\" class=\"ph\"><\/span>\u7f16\u5199 Apex\u89e6\u53d1\u5668<\/h2>\n<div class=\"body conbody\">\n<div class=\"shortdesc\">\n<p>Apex\u89e6\u53d1\u5668\u4f7f\u60a8\u80fd\u591f\u5728\u4e8b\u4ef6\u4e4b\u524d\u6216\u4e4b\u540e\u5bf9Salesforce\u4e2d\u7684\u8bb0\u5f55\uff08\u4f8b\u5982\u63d2\u5165\uff0c\u66f4\u65b0\u6216\u5220\u9664\uff09\u6267\u884c\u81ea\u5b9a\u4e49\u64cd\u4f5c\u3002\u5c31\u50cf\u6570\u636e\u5e93\u7cfb\u7edf\u652f\u6301\u89e6\u53d1\u5668\u4e00\u6837\uff0cApex\u63d0\u4f9b\u89e6\u53d1\u5668\u652f\u6301\u6765\u7ba1\u7406\u8bb0\u5f55\u3002<br \/>\n\u901a\u5e38\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u89e6\u53d1\u5668\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u6267\u884c\u64cd\u4f5c\uff0c\u4fee\u6539\u76f8\u5173\u8bb0\u5f55\u6216\u9650\u5236\u67d0\u4e9b\u64cd\u4f5c\u7684\u53d1\u751f\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u89e6\u53d1\u5668\u5728Apex\u4e2d\u6267\u884c\u4efb\u4f55\u64cd\u4f5c\uff0c\u5305\u62ec\u6267\u884cSOQL\u548cDML\u6216\u8c03\u7528\u81ea\u5b9a\u4e49\u7684Apex\u65b9\u6cd5\u3002<\/p>\n<p>\u4f7f\u7528\u89e6\u53d1\u5668\u6267\u884c\u65e0\u6cd5\u4f7f\u7528Salesforce\u7528\u6237\u754c\u9762\u4e2d\u7684\u6307\u5411\u70b9\u51fb\u5de5\u5177\u5b8c\u6210\u7684\u4efb\u52a1\u3002\u4f8b\u5982\uff0c\u5982\u679c\u9a8c\u8bc1\u5b57\u6bb5\u503c\u6216\u66f4\u65b0\u8bb0\u5f55\u4e2d\u7684\u5b57\u6bb5\uff0c\u8bf7\u6539\u4e3a\u4f7f\u7528\u9a8c\u8bc1\u89c4\u5219\u548c\u5de5\u4f5c\u6d41\u7a0b\u89c4\u5219\u3002<\/p>\n<p>\u53ef\u4ee5\u4e3a\u9876\u7ea7\u6807\u51c6\u5bf9\u8c61\u5b9a\u4e49\u89e6\u53d1\u5668\uff0c\u4f8b\u5982\u5e10\u6237\u6216\u8054\u7cfb\u4eba\uff0c\u81ea\u5b9a\u4e49\u5bf9\u8c61\u548c\u4e00\u4e9b\u6807\u51c6\u5b50\u5bf9\u8c61\u3002\u89e6\u53d1\u5668\u5728\u521b\u5efa\u65f6\u9ed8\u8ba4\u5904\u4e8e\u6d3b\u52a8\u72b6\u6001\u3002\u5f53\u6307\u5b9a\u7684\u6570\u636e\u5e93\u4e8b\u4ef6\u53d1\u751f\u65f6\uff0cSalesforce\u4f1a\u81ea\u52a8\u89e6\u53d1\u6d3b\u52a8\u89e6\u53d1\u5668\u3002<\/p>\n<\/div>\n<div class=\"section\">\n<h3 id=\"Tdxn4tBK-heading3\" class=\"helpHead3\">Trigger \u8bed\u6cd5<\/h3>\n<div class=\"p\">\n<p>\u89e6\u53d1\u5668\u5b9a\u4e49\u7684\u8bed\u6cd5\u4e0d\u540c\u4e8e\u7c7b\u5b9a\u4e49\u7684\u8bed\u6cd5\u3002\u89e6\u53d1\u5668\u5b9a\u4e49\u4ee5trigger\u5173\u952e\u5b57\u5f00\u59cb\u3002\u4e4b\u540e\u662f\u89e6\u53d1\u5668\u7684\u540d\u79f0\uff0c\u89e6\u53d1\u5668\u6240\u5173\u8054\u7684Salesforce\u5bf9\u8c61\u4ee5\u53ca\u89e6\u53d1\u7684\u6761\u4ef6\u3002\u89e6\u53d1\u5668\u5177\u6709\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">trigger TriggerName on ObjectName <span class=\"token punctuation\">(<\/span>trigger_events<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n   code_block\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\u8981\u5728\u63d2\u5165\uff0c\u66f4\u65b0\uff0c\u5220\u9664\u548c\u53d6\u6d88\u5220\u9664\u64cd\u4f5c\u4e4b\u524d\u6216\u4e4b\u540e\u6267\u884c\u89e6\u53d1\u5668\uff0c\u8bf7\u5728\u9017\u53f7\u5206\u9694\u5217\u8868\u4e2d\u6307\u5b9a\u591a\u4e2a\u89e6\u53d1\u5668\u4e8b\u4ef6\u3002\u60a8\u53ef\u4ee5\u6307\u5b9a\u7684\u4e8b\u4ef6\u662f\uff1a<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"p\">\n<ul class=\"ul bulletList\">\n<li class=\"li\"><samp>before insert<\/samp><\/li>\n<li class=\"li\"><samp>before update<\/samp><\/li>\n<li class=\"li\"><samp>before delete<\/samp><\/li>\n<li class=\"li\"><samp>after insert<\/samp><\/li>\n<li class=\"li\"><samp>after update<\/samp><\/li>\n<li class=\"li\"><samp>after delete<\/samp><\/li>\n<li class=\"li\"><samp>after undelete<\/samp><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<div class=\"example\">\n<h2 class=\"sectiontitle\">\u4f8b<\/h2>\n<div class=\"exampleblock\">\n<div class=\"p\">\n<p>\u5728\u63d2\u5165\u5e10\u6237\u5e76\u5c06\u6d88\u606f\u5199\u5165\u8c03\u8bd5\u65e5\u5fd7\u4e4b\u524d\uff0c\u89e6\u53d1\u8fd9\u4e2a\u7b80\u5355\u7684\u89e6\u53d1\u5668\u3002<\/p>\n<ol class=\"ol enumList\">\n<li class=\"li\">\u5728\u5f00\u53d1\u8005\u63a7\u5236\u53f0\u4e2d\uff0c\u70b9\u51fb <span class=\"ph menucascade\"><strong class=\"ph uicontrol\">File<\/strong>\u00a0|\u00a0<strong class=\"ph uicontrol\">New<\/strong>\u00a0|\u00a0<strong class=\"ph uicontrol\">Apex Trigger<\/strong><\/span>.<\/li>\n<li class=\"li\">\u8f93\u5165HelloWorldTrigger\u4f5c\u4e3a\u89e6\u53d1\u5668\u540d\u79f0\uff0c\u7136\u540e\u9009\u62e9sObject\u7684Account\u3002\u70b9\u51fb <strong class=\"ph uicontrol\">Submit<\/strong>.<\/li>\n<li class=\"li\">\u7528\u4e0b\u9762\u7684\u4ee3\u7801\u66ff\u6362\u9ed8\u8ba4\u7684\u4ee3\u7801\u3002\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">trigger HelloWorldTrigger on Account <span class=\"token punctuation\">(<\/span>before insert<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n\tSystem<span class=\"token punctuation\">.<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'Hello World!'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<\/div>\n<\/li>\n<li class=\"li\">\u8981\u4fdd\u5b58\uff0c\u8bf7\u6309Ctrl + S\u3002<\/li>\n<li class=\"li\">\u8981\u6d4b\u8bd5\u89e6\u53d1\u5668\uff0c\u8bf7\u521b\u5efa\u4e00\u4e2a\u5e10\u6237\u3002\n<ol class=\"ol enumList\" type=\"a\">\n<li class=\"li\">\u5355\u51fb <span class=\"ph menucascade\"><strong class=\"ph uicontrol\">Debug<\/strong>\u00a0|\u00a0<strong class=\"ph uicontrol\">Open Execute Anonymous Window<\/strong><\/span>.<\/li>\n<li class=\"li\">\u5728\u65b0\u7a97\u53e3\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff0c\u7136\u540e\u5355\u51fb <strong class=\"ph uicontrol\">Execute<\/strong>.\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">Account a <span class=\"token operator\">=<\/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\">'Test Trigger'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\ninsert a<span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<\/div>\n<\/li>\n<\/ol>\n<\/li>\n<li class=\"li\">\u5728\u8c03\u8bd5\u65e5\u5fd7\u4e2d\uff0c\u627e\u5230Hello World\uff01\u58f0\u660e\u3002\u65e5\u5fd7\u8fd8\u663e\u793a\u89e6\u53d1\u5668\u5df2\u88ab\u6267\u884c\u3002<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h3 id=\"Tdxn4tBK-heading4\" class=\"helpHead3\">\u89e6\u53d1\u5668\u7684\u7c7b\u578b<\/h3>\n<p class=\"p\">\u6709\u4e24\u79cd\u7c7b\u578b\u7684\u89e6\u53d1\u5668\u3002<\/p>\n<ul class=\"ul bulletList\">\n<li class=\"li\">\u89e6\u53d1\u5668\u5728\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e4b\u524d\u7528\u4e8e\u66f4\u65b0\u6216\u9a8c\u8bc1\u8bb0\u5f55\u503c\u4e4b\u524d\u3002<\/li>\n<li class=\"li\">\u4f7f\u7528\u89e6\u53d1\u5668\u8bbf\u95ee\u7531\u7cfb\u7edf\u8bbe\u7f6e\u7684\u5b57\u6bb5\u503c\uff08\u4f8b\u5982\u8bb0\u5f55\u7684Id\u6216LastModifiedDate\u5b57\u6bb5\uff09\uff0c\u5e76\u5f71\u54cd\u5176\u4ed6\u8bb0\u5f55\u4e2d\u7684\u66f4\u6539\u3002\u89e6\u53d1\u540e\u89e6\u53d1\u5668\u7684\u8bb0\u5f55\u662f\u53ea\u8bfb\u7684\u3002<\/li>\n<\/ul>\n<\/div>\n<div class=\"section\">\n<h3 id=\"Tdxn4tBK-heading5\" class=\"helpHead3\">\u4f7f\u7528\u4e0a\u4e0b\u6587\u53d8\u91cf<\/h3>\n<p>\u8981\u8bbf\u95ee\u5bfc\u81f4\u89e6\u53d1\u5668\u89e6\u53d1\u7684\u8bb0\u5f55\uff0c\u8bf7\u4f7f\u7528\u4e0a\u4e0b\u6587\u53d8\u91cf\u3002\u4f8b\u5982\uff0cTrigger.New\u5305\u542b\u63d2\u5165\u6216\u66f4\u65b0\u89e6\u53d1\u5668\u4e2d\u63d2\u5165\u7684\u6240\u6709\u8bb0\u5f55\u3002 Trigger.Old\u5728\u66f4\u65b0\u89e6\u53d1\u5668\u4e2d\u66f4\u65b0\u4e4b\u524d\u63d0\u4f9b\u65e7\u7248\u672c\u7684sObjects\uff0c\u6216\u5728\u5220\u9664\u89e6\u53d1\u5668\u4e2d\u5220\u9664sObjects\u7684\u5217\u8868\u3002\u5f53\u63d2\u5165\u4e00\u4e2a\u8bb0\u5f55\u65f6\uff0c\u6216\u8005\u901a\u8fc7API\u6216Apex\u6279\u91cf\u63d2\u5165\u5927\u91cf\u8bb0\u5f55\u65f6\uff0c\u89e6\u53d1\u5668\u53ef\u4ee5\u89e6\u53d1\u3002\u56e0\u6b64\uff0c\u4e0a\u4e0b\u6587\u53d8\u91cf\uff08\u5982Trigger.New\uff09\u53ea\u80fd\u5305\u542b\u4e00\u6761\u8bb0\u5f55\u6216\u591a\u6761\u8bb0\u5f55\u3002\u60a8\u53ef\u4ee5\u904d\u5386Trigger.New\u6765\u83b7\u53d6\u6bcf\u4e2a\u5355\u72ec\u7684sObject\u3002<\/p>\n<p>\u8fd9\u4e2a\u4f8b\u5b50\u662fHelloWorldTrigger\u793a\u4f8b\u89e6\u53d1\u5668\u7684\u4fee\u6539\u7248\u672c\u3002\u5b83\u904d\u5386for\u5faa\u73af\u4e2d\u7684\u6bcf\u4e2a\u5e10\u6237\u5e76\u66f4\u65b0\u6bcf\u4e2a\u5e10\u6237\u7684\u8bf4\u660e\u5b57\u6bb5\u3002<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">trigger HelloWorldTrigger on Account <span class=\"token punctuation\">(<\/span>before insert<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span>Account a <span class=\"token operator\">:<\/span> Trigger<span class=\"token punctuation\">.<\/span>New<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        a<span class=\"token punctuation\">.<\/span>Description <span class=\"token operator\">=<\/span> <span class=\"token string\">'New description'<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>   \n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\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>\u7cfb\u7edf\u5728\u89e6\u53d1\u5668\u6267\u884c\u5b8c\u6210\u540e\u4fdd\u5b58\u89e6\u53d1\u524d\u89e6\u53d1\u5668\u7684\u8bb0\u5f55\u3002\u60a8\u53ef\u4ee5\u4fee\u6539\u89e6\u53d1\u5668\u4e2d\u7684\u8bb0\u5f55\uff0c\u800c\u65e0\u9700\u663e\u5f0f\u8c03\u7528DML\u63d2\u5165\u6216\u66f4\u65b0\u64cd\u4f5c\u3002\u5982\u679c\u60a8\u5728\u8fd9\u4e9b\u8bb0\u5f55\u4e0a\u6267\u884cDML\u8bed\u53e5\uff0c\u5219\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<p>\u4e00\u4e9b\u5176\u4ed6\u7684\u4e0a\u4e0b\u6587\u53d8\u91cf\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14\u503c\u6765\u6307\u793a\u89e6\u53d1\u5668\u662f\u5426\u7531\u4e8e\u66f4\u65b0\u6216\u5176\u4ed6\u4e8b\u4ef6\u800c\u88ab\u89e6\u53d1\u3002\u5f53\u89e6\u53d1\u5668\u7ec4\u5408\u591a\u4e2a\u4e8b\u4ef6\u65f6\uff0c\u8fd9\u4e9b\u53d8\u91cf\u5f88\u6709\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">trigger ContextExampleTrigger on Account <span class=\"token punctuation\">(<\/span>before insert<span class=\"token punctuation\">,<\/span> after insert<span class=\"token punctuation\">,<\/span> after delete<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>Trigger<span class=\"token punctuation\">.<\/span>isInsert<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>Trigger<span class=\"token punctuation\">.<\/span>isBefore<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n            <span class=\"token comment\">\/\/ Process before insert<\/span>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>Trigger<span class=\"token punctuation\">.<\/span>isAfter<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n            <span class=\"token comment\">\/\/ Process after insert<\/span>\n        <span class=\"token punctuation\">}<\/span>        \n    <span class=\"token punctuation\">}<\/span>\n    <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>Trigger<span class=\"token punctuation\">.<\/span>isDelete<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        <span class=\"token comment\">\/\/ Process after delete<\/span>\n    <span class=\"token punctuation\">}<\/span>\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h3 id=\"Tdxn4tBK-heading6\" class=\"helpHead3\">\u89e6\u53d1\u4e0a\u4e0b\u6587\u53d8\u91cf<\/h3>\n<p class=\"p\">\u4e0b\u8868\u662f\u53ef\u7528\u4e8e\u89e6\u53d1\u5668\u7684\u6240\u6709\u4e0a\u4e0b\u6587\u53d8\u91cf\u7684\u7efc\u5408\u5217\u8868\u3002<\/p>\n<div class=\"data colSort\">\n<table class=\"featureTable sort_table\" summary=\"\">\n<thead class=\"thead sorted\" align=\"left\">\n<tr>\n<th id=\"d34164e277\" class=\"featureTableHeader vertical-align-top \">\u53d8\u91cf<\/th>\n<th id=\"d34164e280\" class=\"featureTableHeader vertical-align-top \">\u7528\u6cd5<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"tbody\">\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>isExecuting<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u5982\u679cApex\u4ee3\u7801\u7684\u5f53\u524d\u4e0a\u4e0b\u6587\u662f\u89e6\u53d1\u5668\uff0c\u800c\u4e0d\u662fVisualforce\u9875\u9762\uff0cWeb\u670d\u52a1\u6216executeanonymous\uff08\uff09API\u8c03\u7528\uff0c\u5219\u8fd4\u56detrue\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>isInsert<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u5982\u679c\u7531\u4e8eSalesforce\u7528\u6237\u754c\u9762\uff0cApex\u6216API\u7684\u63d2\u5165\u64cd\u4f5c\u800c\u89e6\u53d1\u6b64\u89e6\u53d1\u5668\uff0c\u5219\u8fd4\u56detrue\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>isUpdate<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u5982\u679c\u7531\u4e8eSalesforce\u7528\u6237\u754c\u9762\uff0cApex\u6216API\u7684\u66f4\u65b0\u64cd\u4f5c\u800c\u89e6\u53d1\u6b64\u89e6\u53d1\u5668\uff0c\u5219\u8fd4\u56detrue\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>isDelete<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u5982\u679c\u7531\u4e8eSalesforce\u7528\u6237\u754c\u9762\uff0cApex\u6216API\u7684\u5220\u9664\u64cd\u4f5c\u800c\u89e6\u53d1\u6b64\u89e6\u53d1\u5668\uff0c\u5219\u8fd4\u56detrue\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>isBefore<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u5982\u679c\u5728\u4fdd\u5b58\u4efb\u4f55\u8bb0\u5f55\u4e4b\u524d\u89e6\u53d1\u6b64\u89e6\u53d1\u5668\uff0c\u5219\u8fd4\u56detrue\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>isAfter<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u5982\u679c\u5728\u4fdd\u5b58\u6240\u6709\u8bb0\u5f55\u540e\u89e6\u53d1\u6b64\u89e6\u53d1\u5668\uff0c\u5219\u8fd4\u56detrue\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>isUndelete<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u5982\u679c\u5728\u4ece\u56de\u6536\u7ad9\u4e2d\u6062\u590d\u8bb0\u5f55\uff08\u5373\u4eceSalesforce\u7528\u6237\u754c\u9762\uff0cApex\u6216API\u53d6\u6d88\u5220\u9664\u64cd\u4f5c\u4e4b\u540e\uff09\u89e6\u53d1\u6b64\u89e6\u53d1\u5668\uff0c\u5219\u8fd4\u56detrue\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>new<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u8fd4\u56desObject\u8bb0\u5f55\u7684\u65b0\u7248\u672c\u5217\u8868\u3002<br \/>\n\u6b64sObject\u5217\u8868\u4ec5\u5728\u63d2\u5165\uff0c\u66f4\u65b0\u548c\u53d6\u6d88\u5220\u9664\u89e6\u53d1\u5668\u4e2d\u53ef\u7528\uff0c\u5e76\u4e14\u8bb0\u5f55\u53ea\u80fd\u5728before\u89e6\u53d1\u5668\u4e2d\u4fee\u6539\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>newMap<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">ID\u5bf9\u65b0\u5bf9\u8c61\u8bb0\u5f55\u7684\u7248\u672c\u7684\u6620\u5c04\u3002<br \/>\n\u6b64\u6620\u5c04\u4ec5\u5728\u66f4\u65b0\u4e4b\u524d\uff0c\u63d2\u5165\u4e4b\u540e\uff0c\u66f4\u65b0\u4e4b\u540e\u548c\u53d6\u6d88\u5220\u9664\u89e6\u53d1\u5668\u4e4b\u540e\u53ef\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>old<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u8fd4\u56desObject\u8bb0\u5f55\u7684\u65e7\u7248\u672c\u5217\u8868\u3002<br \/>\n\u8be5sObject\u5217\u8868\u4ec5\u5728\u66f4\u65b0\u548c\u5220\u9664\u89e6\u53d1\u5668\u4e2d\u53ef\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>oldMap<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u65e7\u7248\u672c\u7684sObject\u8bb0\u5f55\u7684ID\u6620\u5c04\u3002<br \/>\n\u6b64\u6620\u5c04\u4ec5\u5728\u66f4\u65b0\u548c\u5220\u9664\u89e6\u53d1\u5668\u4e2d\u53ef\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"entry\" headers=\"d34164e277\" data-title=\"Variable\"><samp>size<\/samp><\/td>\n<td class=\"entry\" headers=\"d34164e280\" data-title=\"Usage\">\u89e6\u53d1\u5668\u8c03\u7528\u4e2d\u7684\u8bb0\u5f55\u603b\u6570\uff0c\u5305\u62ec\u65e7\u7684\u548c\u65b0\u7684\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h3 id=\"Tdxn4tBK-heading7\" class=\"helpHead3\">\u4ece\u89e6\u53d1\u5668\u8c03\u7528\u7c7b\u65b9\u6cd5<\/h3>\n<p>\u60a8\u53ef\u4ee5\u901a\u8fc7\u89e6\u53d1\u5668\u8c03\u7528\u516c\u7528\u4e8b\u4e1a\u65b9\u6cd5\u3002\u8c03\u7528\u5176\u4ed6\u7c7b\u7684\u65b9\u6cd5\u53ef\u4ee5\u91cd\u7528\u4ee3\u7801\uff0c\u51cf\u5c11\u89e6\u53d1\u5668\u7684\u5927\u5c0f\uff0c\u5e76\u4e14\u53ef\u4ee5\u63d0\u9ad8Apex\u4ee3\u7801\u7684\u7ef4\u62a4\u3002\u5b83\u4e5f\u5141\u8bb8\u4f60\u4f7f\u7528\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u3002<\/p>\n<p>\u4ee5\u4e0b\u793a\u4f8b\u89e6\u53d1\u5668\u663e\u793a\u5982\u4f55\u4ece\u89e6\u53d1\u5668\u8c03\u7528\u9759\u6001\u65b9\u6cd5\u3002\u5982\u679c\u7531\u4e8e\u63d2\u5165\u4e8b\u4ef6\u89e6\u53d1\u4e86\u8be5\u89e6\u53d1\u5668\uff0c\u5219\u6b64\u793a\u4f8b\u5c06\u5728EmailManager\u7c7b\u4e0a\u8c03\u7528\u9759\u6001sendMail\uff08\uff09\u65b9\u6cd5\u3002\u6b64\u5b9e\u7528\u7a0b\u5e8f\u65b9\u6cd5\u5411\u6307\u5b9a\u7684\u6536\u4ef6\u4eba\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\uff0c\u5e76\u5305\u542b\u63d2\u5165\u7684\u8054\u7cfb\u4eba\u8bb0\u5f55\u6570\u3002<\/p>\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>EmailManager\u7c7b\u5305\u542b\u5728\u201cApex\u5355\u5143\u5165\u95e8\u201d\u7684\u793a\u4f8b\u4e2d\u3002\u60a8\u5fc5\u987b\u4fdd\u5b58\u7ec4\u7ec7\u4e2d\u7684EmailManager\u7c7b\uff0c\u5e76\u5728\u4fdd\u5b58\u6b64\u89e6\u53d1\u5668\u4e4b\u524d\u5c06sendMail\uff08\uff09\u65b9\u6cd5\u66f4\u6539\u4e3astatic\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<ol class=\"ol enumList\">\n<li class=\"li\">\u5728\u5f00\u53d1\u8005\u63a7\u5236\u53f0\u4e2d\uff0c\u70b9\u51fb <span class=\"ph menucascade\"><strong class=\"ph uicontrol\">File<\/strong>\u00a0|\u00a0<strong class=\"ph uicontrol\">New<\/strong>\u00a0|\u00a0<strong class=\"ph uicontrol\">Apex Trigger<\/strong><\/span>.<\/li>\n<li class=\"li\">\u8f93\u5165ExampleTrigger\u4f5c\u4e3a\u89e6\u53d1\u5668\u540d\u79f0\uff0c\u7136\u540e\u9009\u62e9Contact\u4f5c\u4e3asObject\u3002\u70b9\u51fb <strong class=\"ph uicontrol\">Submit<\/strong>.<\/li>\n<li class=\"li\">\u5c06\u9ed8\u8ba4\u4ee3\u7801\u66ff\u6362\u4e3a\u4ee5\u4e0b\u5185\u5bb9\uff0c\u7136\u540e\u5c06sendMail\uff08\uff09\u4e2d\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u5360\u4f4d\u7b26\u6587\u672c\u4fee\u6539\u4e3a\u60a8\u7684\u7535\u5b50\u90ae\u4ef6\u5730\u5740\u3002\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">trigger ExampleTrigger on Contact <span class=\"token punctuation\">(<\/span>after insert<span class=\"token punctuation\">,<\/span> after delete<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>Trigger<span class=\"token punctuation\">.<\/span>isInsert<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        Integer recordCount <span class=\"token operator\">=<\/span> Trigger<span class=\"token punctuation\">.<\/span>New<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token comment\">\/\/ \u4ece\u53e6\u4e00\u4e2a\u7c7b\u8c03\u7528\u5b9e\u7528\u7a0b\u5e8f\u65b9\u6cd5<\/span>\n        EmailManager<span class=\"token punctuation\">.<\/span><span class=\"token function\">sendMail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'Your email address'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">'Trailhead Trigger Tutorial'<\/span><span class=\"token punctuation\">,<\/span> \n                    recordCount <span class=\"token operator\">+<\/span> <span class=\"token string\">' contact(s) were inserted.'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>Trigger<span class=\"token punctuation\">.<\/span>isDelete<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        <span class=\"token comment\">\/\/ \u5220\u9664\u540e\u7684\u5904\u7406<\/span>\n    <span class=\"token punctuation\">}<\/span>\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<\/div>\n<\/li>\n<li class=\"li\">\u8981\u4fdd\u5b58\uff0c\u8bf7\u6309Ctrl + S\u3002<\/li>\n<li class=\"li\">\u8981\u6d4b\u8bd5\u89e6\u53d1\u5668\uff0c\u8bf7\u521b\u5efa\u4e00\u4e2a\u8054\u7cfb\u4eba\u3002\n<ol class=\"ol enumList\" type=\"a\">\n<li class=\"li\">\u5355\u51fb <span class=\"ph menucascade\"><strong class=\"ph uicontrol\">Debug<\/strong>\u00a0|\u00a0<strong class=\"ph uicontrol\">Open Execute Anonymous Window<\/strong><\/span>.<\/li>\n<li class=\"li\">\u5728\u65b0\u7a97\u53e3\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff0c\u7136\u540e\u5355\u51fb <strong class=\"ph uicontrol\">Execute<\/strong>.\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">Contact c <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Contact<\/span><span class=\"token punctuation\">(<\/span>LastName<span class=\"token operator\">=<\/span><span class=\"token string\">'Test Contact'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\ninsert c<span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<\/div>\n<\/li>\n<\/ol>\n<\/li>\n<li class=\"li\">\u5728\u8c03\u8bd5\u65e5\u5fd7\u4e2d\uff0c\u68c0\u67e5\u89e6\u53d1\u5668\u662f\u5426\u88ab\u89e6\u53d1\u3002\u5728\u65e5\u5fd7\u672b\u5c3e\uff0c\u627e\u5230\u5b9e\u7528\u7a0b\u5e8f\u65b9\u6cd5\u7f16\u5199\u7684\u8c03\u8bd5\u6d88\u606f\uff1a\u00a0<samp class=\"ph systemoutput\">DEBUG|Email sent successfully<\/samp><\/li>\n<li class=\"li\">\u73b0\u5728\u68c0\u67e5\u60a8\u662f\u5426\u6536\u5230\u4e00\u5c01\u7535\u5b50\u90ae\u4ef6\uff0c\u5176\u4e2d\u6b63\u6587\u00a0<samp class=\"ph systemoutput\">1 contact(s) were inserted.<\/samp>\n<p class=\"p\">\u4f7f\u7528\u65b0\u7684\u89e6\u53d1\u5668\uff0c\u6bcf\u6b21\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2a\u8054\u7cfb\u4eba\u65f6\u90fd\u4f1a\u6536\u5230\u4e00\u5c01\u7535\u5b50\u90ae\u4ef6\uff01<\/p>\n<\/li>\n<\/ol>\n<\/div>\n<div class=\"section\">\n<h3 id=\"Tdxn4tBK-heading8\" class=\"helpHead3\">\u6dfb\u52a0\u76f8\u5173\u8bb0\u5f55<\/h3>\n<p>\u89e6\u53d1\u5668\u901a\u5e38\u7528\u4e8e\u8bbf\u95ee\u548c\u7ba1\u7406\u4e0e\u89e6\u53d1\u5668\u4e0a\u4e0b\u6587\u4e2d\u7684\u8bb0\u5f55\u76f8\u5173\u7684\u8bb0\u5f55 &#8211; \u89e6\u53d1\u8be5\u89e6\u53d1\u5668\u7684\u8bb0\u5f55\u3002<\/p>\n<p>\u5982\u679c\u6ca1\u6709\u673a\u4f1a\u4e0e\u5ba2\u6237\u76f8\u5173\u8054\uff0c\u5219\u6b64\u89e6\u53d1\u5668\u4e3a\u6bcf\u4e2a\u65b0\u7684\u6216\u66f4\u65b0\u7684\u5ba2\u6237\u6dfb\u52a0\u76f8\u5173\u673a\u4f1a\u3002\u89e6\u53d1\u5668\u9996\u5148\u6267\u884cSOQL\u67e5\u8be2\uff0c\u4ee5\u83b7\u53d6\u89e6\u53d1\u5668\u89e6\u53d1\u7684\u5e10\u6237\u7684\u6240\u6709\u5b50\u673a\u4f1a\u3002\u63a5\u4e0b\u6765\uff0c\u89e6\u53d1\u5668\u904d\u5386Trigger.New\u4e2d\u7684sObjects\u5217\u8868\u4ee5\u83b7\u53d6\u6bcf\u4e2a\u5e10\u6237\u7684sObject\u3002\u5982\u679c\u8be5\u5e10\u6237\u6ca1\u6709\u4efb\u4f55\u76f8\u5173\u7684\u673a\u4f1asObjects\uff0cfor\u5faa\u73af\u4f1a\u521b\u5efa\u4e00\u4e2a\u3002\u5982\u679c\u89e6\u53d1\u5668\u521b\u9020\u4e86\u65b0\u7684\u673a\u4f1a\uff0c\u6700\u540e\u7684\u9648\u8ff0\u5c06\u63d2\u5165\u5b83\u4eec\u3002<\/p>\n<ol class=\"ol enumList\">\n<li class=\"li\">\u4f7f\u7528\u5f00\u53d1\u8005\u63a7\u5236\u53f0\u6dfb\u52a0\u4ee5\u4e0b\u89e6\u53d1\u5668\uff08\u6309\u7167HelloWorldTrigger\u793a\u4f8b\u7684\u6b65\u9aa4\uff0c\u4f46\u4f7f\u7528AddRelatedRecord\u4f5c\u4e3a\u89e6\u53d1\u5668\u540d\u79f0\uff09\u3002\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">trigger AddRelatedRecord on <span class=\"token function\">Account<\/span><span class=\"token punctuation\">(<\/span>after insert<span class=\"token punctuation\">,<\/span> after update<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    List<span class=\"token operator\">&lt;<\/span>Opportunity<span class=\"token operator\">&gt;<\/span> oppList <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">List<\/span><span class=\"token operator\">&lt;<\/span>Opportunity<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    \n    <span class=\"token comment\">\/\/ \u83b7\u53d6\u8fd9\u4e2a\u89e6\u53d1\u5668\u4e2d\u5ba2\u6237\u7684\u76f8\u5173\u673a\u4f1a<\/span>\n    Map<span class=\"token operator\">&lt;<\/span>Id<span class=\"token punctuation\">,<\/span>Account<span class=\"token operator\">&gt;<\/span> acctsWithOpps <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token operator\">&lt;<\/span>Id<span class=\"token punctuation\">,<\/span>Account<span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span>\n        <span class=\"token punctuation\">[<\/span>SELECT Id<span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">(<\/span>SELECT Id FROM Opportunities<span class=\"token punctuation\">)<\/span> FROM Account WHERE Id IN <span class=\"token operator\">:<\/span>Trigger<span class=\"token punctuation\">.<\/span>New<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    \n    <span class=\"token comment\">\/\/ \u4e3a\u6bcf\u4e2a\u5e10\u6237\u6dfb\u52a0\u4e00\u4e2a\u673a\u4f1a\uff0c\u5982\u679c\u5b83\u8fd8\u6ca1\u6709\u3002<\/span>\n    <span class=\"token comment\">\/\/ \u904d\u5386\u6bcf\u4e2a\u5e10\u6237\u3002<\/span>\n    <span class=\"token keyword\">for<\/span><span class=\"token punctuation\">(<\/span>Account a <span class=\"token operator\">:<\/span> Trigger<span class=\"token punctuation\">.<\/span>New<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><span class=\"token string\">'acctsWithOpps.get(a.Id).Opportunities.size()='<\/span> <span class=\"token operator\">+<\/span> acctsWithOpps<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">.<\/span>Id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>Opportunities<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/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\">\/\/ \u68c0\u67e5\u5e10\u53f7\u662f\u5426\u6709\u76f8\u5173\u7684\u673a\u4f1a\u3002<\/span>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>acctsWithOpps<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">.<\/span>Id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>Opportunities<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">==<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n            <span class=\"token comment\">\/\/ \u5982\u679c\u6ca1\u6709\uff0c\u8bf7\u6dfb\u52a0\u4e00\u4e2a\u9ed8\u8ba4\u673a\u4f1a<\/span>\n            oppList<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\">Opportunity<\/span><span class=\"token punctuation\">(<\/span>Name<span class=\"token operator\">=<\/span>a<span class=\"token punctuation\">.<\/span>Name <span class=\"token operator\">+<\/span> <span class=\"token string\">' Opportunity'<\/span><span class=\"token punctuation\">,<\/span>\n                                       StageName<span class=\"token operator\">=<\/span><span class=\"token string\">'Prospecting'<\/span><span class=\"token punctuation\">,<\/span>\n                                       CloseDate<span class=\"token operator\">=<\/span>System<span class=\"token punctuation\">.<\/span><span class=\"token function\">today<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">addMonths<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>\n                                       AccountId<span class=\"token operator\">=<\/span>a<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    <span class=\"token punctuation\">}<\/span>\n\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>oppList<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        insert oppList<span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<\/div>\n<\/li>\n<li class=\"li\">\u8981\u6d4b\u8bd5\u89e6\u53d1\u5668\uff0c\u8bf7\u5728Salesforce\u7528\u6237\u754c\u9762\u4e2d\u521b\u5efa\u4e00\u4e2a\u5e10\u6237\uff0c\u5e76\u5c06\u5176\u547d\u540d\u4e3aApple\u548cOrange\u3002<\/li>\n<li class=\"li\">\u5728\u5ba2\u6237\u9875\u9762\u7684\u673a\u4f1a\u76f8\u5173\u5217\u8868\u4e2d\uff0c\u627e\u5230\u65b0\u7684\u673a\u4f1a\u3002\u89e6\u53d1\u5668\u81ea\u52a8\u6dfb\u52a0\u4e86\u8fd9\u4e2a\u673a\u4f1a\uff01<\/li>\n<\/ol>\n<div class=\"btb callout box guidedTour\">\n<div class=\"inner\">\n<div class=\"bd\">\n<div class=\"media\">\n<div class=\"mediaBd\">\n<h4 class=\"mbs\">\u8d85\u8d8a\u57fa\u7840<\/h4>\n<p>\u4f60\u6dfb\u52a0\u7684\u89e6\u53d1\u5668\u8fed\u4ee3\u6240\u6709\u5c5e\u4e8e\u89e6\u53d1\u5668\u4e0a\u4e0b\u6587\u7684\u8bb0\u5f55 &#8211; for\u5faa\u73af\u904d\u5386Trigger.New\u3002\u4f46\u662f\uff0c\u8fd9\u4e2a\u89e6\u53d1\u5668\u4e2d\u7684\u5faa\u73af\u53ef\u80fd\u66f4\u6709\u6548\u7387\u3002\u6211\u4eec\u5e76\u4e0d\u662f\u771f\u7684\u9700\u8981\u8bbf\u95ee\u8fd9\u4e2a\u89e6\u53d1\u5668\u4e0a\u4e0b\u6587\u4e2d\u7684\u6bcf\u4e2a\u5ba2\u6237\uff0c\u800c\u662f\u53ea\u6709\u4e00\u4e2a\u5b50\u96c6 &#8211; \u6ca1\u6709\u673a\u4f1a\u7684\u5ba2\u6237\u3002\u4e0b\u4e00\u4e2a\u5355\u5143\u663e\u793a\u5982\u4f55\u4f7f\u8fd9\u4e2a\u89e6\u53d1\u5668\u66f4\u6709\u6548\u7387\u3002\u5728\u201c\u6279\u91cf\u89e6\u53d1\u5668\u8bbe\u8ba1\u6a21\u5f0f\u201d\u5355\u5143\u4e2d\uff0c\u4e86\u89e3\u5982\u4f55\u4fee\u6539SOQL\u67e5\u8be2\u4ee5\u4ec5\u83b7\u53d6\u6ca1\u6709\u673a\u4f1a\u7684\u5e10\u6237\u3002\u7136\u540e\uff0c\u5b66\u4e60\u53ea\u904d\u5386\u8fd9\u4e9b\u8bb0\u5f55\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h3 id=\"Tdxn4tBK-heading9\" class=\"helpHead3\">\u4f7f\u7528\u89e6\u53d1\u5668\u5f02\u5e38<\/h3>\n<p>\u60a8\u6709\u65f6\u9700\u8981\u5bf9\u67d0\u4e9b\u6570\u636e\u5e93\u64cd\u4f5c\u6dfb\u52a0\u9650\u5236\uff0c\u4f8b\u5982\u5728\u6ee1\u8db3\u67d0\u4e9b\u6761\u4ef6\u65f6\u9632\u6b62\u4fdd\u5b58\u8bb0\u5f55\u3002\u4e3a\u4e86\u9632\u6b62\u5728\u89e6\u53d1\u5668\u4e2d\u4fdd\u5b58\u8bb0\u5f55\uff0c\u5728\u6709\u95ee\u9898\u7684sObject\u4e0a\u8c03\u7528addError\uff08\uff09\u65b9\u6cd5\u3002 addError\uff08\uff09\u65b9\u6cd5\u5728\u89e6\u53d1\u5668\u4e2d\u5f15\u53d1\u81f4\u547d\u9519\u8bef\u3002\u9519\u8bef\u6d88\u606f\u663e\u793a\u5728\u7528\u6237\u754c\u9762\u4e2d\u5e76\u88ab\u8bb0\u5f55\u3002<\/p>\n<p>\u5982\u679c\u5177\u6709\u76f8\u5173\u673a\u4f1a\uff0c\u5219\u4ee5\u4e0b\u89e6\u53d1\u5668\u53ef\u9632\u6b62\u5220\u9664\u5e10\u6237\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5220\u9664\u4e00\u4e2a\u5e10\u6237\u4f1a\u5bfc\u81f4\u6240\u6709\u76f8\u5173\u8bb0\u5f55\u7684\u7ea7\u8054\u5220\u9664\u3002\u8fd9\u4e2a\u89e6\u53d1\u5668\u53ef\u4ee5\u9632\u6b62\u7ea7\u8054\u5220\u9664\u673a\u4f1a\u3002\u4e3a\u81ea\u5df1\u5c1d\u8bd5\u8fd9\u4e2a\u89e6\u53d1\u5668\uff01\u5982\u679c\u4f60\u5df2\u7ecf\u6267\u884c\u4e86\u524d\u9762\u7684\u4f8b\u5b50\uff0c\u4f60\u7684\u7ec4\u7ec7\u6709\u4e00\u4e2a\u540d\u4e3a\u82f9\u679c\u548c\u6a59\u5b50\u7684\u5ba2\u6237\u6709\u4e00\u4e2a\u76f8\u5173\u7684\u673a\u4f1a\u3002\u672c\u793a\u4f8b\u4f7f\u7528\u8be5\u793a\u4f8b\u5e10\u6237\u3002<\/p>\n<ol class=\"ol enumList\">\n<li class=\"li\">\u4f7f\u7528\u5f00\u53d1\u8005\u63a7\u5236\u53f0\u6dfb\u52a0\u4ee5\u4e0b\u89e6\u53d1\u5668\u3002\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">trigger AccountDeletion on Account <span class=\"token punctuation\">(<\/span>before delete<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n   \n    <span class=\"token comment\">\/\/ \u5982\u679c\u4ed6\u4eec\u6709\u76f8\u5173\u7684\u673a\u4f1a\uff0c\u9632\u6b62\u5220\u9664\u5e10\u6237\u3002<\/span>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span>Account a <span class=\"token operator\">:<\/span> <span class=\"token punctuation\">[<\/span>SELECT Id FROM Account\n                     WHERE Id IN <span class=\"token punctuation\">(<\/span>SELECT AccountId FROM Opportunity<span class=\"token punctuation\">)<\/span> AND\n                     Id IN <span class=\"token operator\">:<\/span>Trigger<span class=\"token punctuation\">.<\/span>old<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        Trigger<span class=\"token punctuation\">.<\/span>oldMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span>a<span class=\"token punctuation\">.<\/span>Id<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">addError<\/span><span class=\"token punctuation\">(<\/span>\n            <span class=\"token string\">'\u4e0d\u80fd\u5220\u9664\u6709\u76f8\u5173\u673a\u4f1a\u7684\u5e10\u53f7'<\/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>\n<\/li>\n<li class=\"li\">\u5728Salesforce\u7528\u6237\u754c\u9762\u4e2d\uff0c\u5bfc\u822a\u5230Apples\uff06Oranges\u5e10\u6237\u7684\u9875\u9762\uff0c\u7136\u540e\u5355\u51fb <strong class=\"ph uicontrol\">Delete<\/strong>.<\/li>\n<li class=\"li\">\u5728\u786e\u8ba4\u5f39\u51fa\u7a97\u53e3\u4e2d\uff0c\u5355\u51fb <strong class=\"ph uicontrol\">OK<\/strong>.\n<p class=\"p\">\u4f7f\u7528\u81ea\u5b9a\u4e49\u9519\u8bef\u6d88\u606f\u67e5\u627e\u9a8c\u8bc1\u9519\u8bef\u65e0\u6cd5\u5220\u9664\u5177\u6709\u76f8\u5173\u673a\u4f1a\u7684\u5e10\u6237\u3002<\/p>\n<\/li>\n<li class=\"li\">\u7981\u7528AccountDeletion\u89e6\u53d1\u5668\u3002\u5982\u679c\u4f60\u4fdd\u6301\u8fd9\u4e2a\u89e6\u53d1\u5668\u6fc0\u6d3b\uff0c\u4f60\u4e0d\u80fd\u68c0\u67e5\u4f60\u7684\u6311\u6218\u3002\n<ol class=\"ol enumList\" type=\"a\">\n<li class=\"li\">\u4ece\u8bbe\u7f6e\u4e2d\u641c\u7d22<kbd class=\"ph userinput\">Apex<\/kbd>\u89e6\u53d1\u5668\u3002<\/li>\n<li class=\"li\">\u5728Apex\u89e6\u53d1\u5668\u9875\u9762\u4e0a\uff0c\u5355\u51fbAccountDeletion\u89e6\u53d1\u5668\u65c1\u8fb9\u7684\u7f16\u8f91\u3002<\/li>\n<li class=\"li\">\u53d6\u6d88\u9009\u62e9\u00a0<strong class=\"ph uicontrol\">Is Active<\/strong>.<\/li>\n<li class=\"li\">\u70b9\u51fb <strong class=\"ph uicontrol\">Save<\/strong>.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div class=\"btb callout box guidedTour\">\n<div class=\"inner\">\n<div class=\"bd\">\n<div class=\"media\">\n<div class=\"mediaBd\">\n<h4 class=\"mbs\">\u8d85\u8d8a\u57fa\u7840<\/h4>\n<p>\u5728\u89e6\u53d1\u5668\u4e2d\u8c03\u7528addError\uff08\uff09\u4f1a\u5bfc\u81f4\u6574\u4e2a\u64cd\u4f5c\u96c6\u56de\u6eda\uff0c\u9664\u975e\u90e8\u5206\u6210\u529f\u8c03\u7528\u6279\u91cfDML\u3002<\/p>\n<ul class=\"ul bulletList\">\n<li class=\"li\">\u5982\u679cApex\u4e2d\u7684DML\u8bed\u53e5\u4ea7\u751f\u4e86\u89e6\u53d1\u5668\uff0c\u5219\u4efb\u4f55\u9519\u8bef\u90fd\u4f1a\u56de\u6eda\u6574\u4e2a\u64cd\u4f5c\u3002\u4f46\u662f\uff0c\u8fd0\u884c\u65f6\u5f15\u64ce\u4ecd\u4f1a\u5904\u7406\u64cd\u4f5c\u4e2d\u7684\u6bcf\u4e2a\u8bb0\u5f55\uff0c\u4ee5\u7f16\u8bd1\u4e00\u4e2a\u5168\u9762\u7684\u9519\u8bef\u5217\u8868\u3002<\/li>\n<li class=\"li\">\u5982\u679cForce.com API\u4e2d\u7684\u6279\u91cfDML\u8c03\u7528\u4ea7\u751f\u4e86\u89e6\u53d1\u5668\uff0c\u90a3\u4e48\u8fd0\u884c\u65f6\u5f15\u64ce\u5c06\u628a\u6709\u5bb3\u7684\u8bb0\u5f55\u653e\u5728\u4e00\u8fb9\u3002\u8fd0\u884c\u65f6\u5f15\u64ce\u7136\u540e\u5c1d\u8bd5\u90e8\u5206\u4fdd\u5b58\u6ca1\u6709\u4ea7\u751f\u9519\u8bef\u7684\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"section\">\n<h3 id=\"Tdxn4tBK-heading10\" class=\"helpHead3\">\u89e6\u53d1\u5668\u548c\u5916\u8c03<\/h3>\n<p class=\"p\">Apex\u5141\u8bb8\u60a8\u6253\u7535\u8bdd\u5e76\u5c06Apex\u4ee3\u7801\u4e0e\u5916\u90e8Web\u670d\u52a1\u96c6\u6210\u3002 Apex\u8c03\u7528\u5916\u90e8Web\u670d\u52a1\u79f0\u4e3a\u6807\u6ce8\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u8c03\u51fa\u80a1\u7968\u62a5\u4ef7\u670d\u52a1\u4ee5\u83b7\u53d6\u6700\u65b0\u7684\u62a5\u4ef7\u3002\u5f53\u4ece\u89e6\u53d1\u5668\u4e2d\u8fdb\u884c\u6807\u6ce8\u65f6\uff0c\u6807\u6ce8\u5fc5\u987b\u5f02\u6b65\u5b8c\u6210\uff0c\u4ee5\u4fbf\u5728\u7b49\u5f85\u5916\u90e8\u670d\u52a1\u7684\u54cd\u5e94\u65f6\u89e6\u53d1\u5668\u4e0d\u4f1a\u963b\u6b62\u60a8\u7684\u5de5\u4f5c\u3002\u5f02\u6b65\u6807\u6ce8\u5728\u540e\u53f0\u8fdb\u7a0b\u4e2d\u8fdb\u884c\uff0c\u5e76\u5728\u6536\u5230\u54cd\u5e94\u65f6\u5916\u90e8\u670d\u52a1\u8fd4\u56de\u5b83\u3002<\/p>\n<p class=\"p\">\u8981\u4ece\u89e6\u53d1\u5668\u4e2d\u8fdb\u884c\u8c03\u7528\uff0c\u8bf7\u8c03\u7528\u5f02\u6b65\u6267\u884c\u7684\u7c7b\u65b9\u6cd5\u3002\u8fd9\u79cd\u65b9\u6cd5\u88ab\u79f0\u4e3a\u672a\u6765\u7684\u65b9\u6cd5\uff0c\u5e76\u7528@future\uff08callout = true\uff09\u8fdb\u884c\u6ce8\u91ca\u3002\u6b64\u793a\u4f8b\u7c7b\u5305\u542b\u5236\u4f5c\u6807\u6ce8\u7684\u672a\u6765\u65b9\u6cd5\u3002<\/p>\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>\u8be5\u793a\u4f8b\u4ec5\u4e3a\u8bf4\u660e\u76ee\u7684\u4f7f\u7528\u4e86\u5047\u8bbe\u7684\u7aef\u70b9URL\u3002\u9664\u975e\u60a8\u5c06\u7aef\u70b9\u66f4\u6539\u4e3a\u6709\u6548\u7684URL\u5e76\u5728Salesforce\u4e2d\u4e3a\u60a8\u7684\u7aef\u70b9\u6dfb\u52a0\u8fdc\u7a0b\u7ad9\u70b9\uff0c\u5426\u5219\u65e0\u6cd5\u8fd0\u884c\u6b64\u793a\u4f8b\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\"><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CalloutClass<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token annotation punctuation\">@future<\/span><span class=\"token punctuation\">(<\/span>callout<span class=\"token operator\">=<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">makeCallout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n        HttpRequest request <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HttpRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u7aef\u70b9URL\u3002<\/span>\n        String endpoint <span class=\"token operator\">=<\/span> <span class=\"token string\">'http:\/\/yourHost\/yourService'<\/span><span class=\"token punctuation\">;<\/span>\n        request<span class=\"token punctuation\">.<\/span><span class=\"token function\">setEndPoint<\/span><span class=\"token punctuation\">(<\/span>endpoint<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token comment\">\/\/ \u5c06HTTP\u52a8\u8bcd\u8bbe\u7f6e\u4e3aGET\u3002<\/span>\n        request<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'GET'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n        <span class=\"token comment\">\/\/ \u53d1\u9001HTTP\u8bf7\u6c42\u5e76\u83b7\u5f97\u54cd\u5e94\u3002<\/span>\n        HttpResponse response <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">HTTP<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">send<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<\/div>\n<p class=\"p\">\u8fd9\u4e2a\u4f8b\u5b50\u5c55\u793a\u4e86\u8c03\u7528\u7c7b\u4e2d\u7684\u65b9\u6cd5\u6765\u5f02\u6b65\u8c03\u7528\u6807\u6ce8\u7684\u89e6\u53d1\u5668\u3002<\/p>\n<div class=\"codeblock\">\n<pre class=\"line-numbers code-toolbar language-java\"><code class=\" language-java\">trigger CalloutTrigger on Account <span class=\"token punctuation\">(<\/span>before insert<span class=\"token punctuation\">,<\/span> before update<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    CalloutClass<span class=\"token punctuation\">.<\/span><span class=\"token function\">makeCallout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token punctuation\">}<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\">\u672c\u90e8\u5206\u4ec5\u63d0\u4f9b\u4e86\u6807\u6ce8\u7684\u6982\u8ff0\uff0c\u5e76\u4e0d\u6253\u7b97\u8be6\u7ec6\u8bf4\u660e\u6807\u6ce8\u3002\u6709\u5173\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605Apex Developer Guide\u4e2d\u7684\u4f7f\u7528Apex\u8c03\u7528\u6807\u6ce8\u3002<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u76ee\u6807 \u5b8c\u6210\u672c\u5355\u5143\u540e\uff0c\u60a8\u5c06\u80fd\u591f\uff1a \u7f16\u5199\u4e00\u4e2aSalesforce\u5bf9\u8c61\u7684\u89e6\u53d1\u5668\u3002 \u4f7f\u7528\u89e6\u53d1\u5668\u4e0a\u4e0b\u6587\u53d8\u91cf \u4ece\u89e6\u53d1\u5668 &hellip; <a href=\"http:\/\/www.ponybai.com\/?p=571\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">Salesforce Triggers\uff081\uff09<\/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":[7],"tags":[],"class_list":["post-571","post","type-post","status-publish","format-standard","hentry","category-apex-trigger"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - 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