{"id":3329,"date":"2021-01-13T16:25:37","date_gmt":"2021-01-13T08:25:37","guid":{"rendered":"http:\/\/www.salesforcecrm.cn\/?p=3329"},"modified":"2021-01-13T16:25:37","modified_gmt":"2021-01-13T08:25:37","slug":"%e5%b0%86lightning-web-components%e5%bc%80%e6%ba%90%e8%bd%ac%e6%8d%a2%e4%b8%basalesforce-%e4%bd%bf%e7%94%a8apex%e6%a3%80%e7%b4%a2%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=3329","title":{"rendered":"\u5c06Lightning Web Components\u5f00\u6e90\u8f6c\u6362\u4e3aSalesforce &#8211; \u4f7f\u7528Apex\u68c0\u7d22\u6570\u636e"},"content":{"rendered":"<h1 class=\"slds-p-top_small slds-text-heading_large\"><span>\u4f7f\u7528Apex\u68c0\u7d22\u6570\u636e<\/span><\/h1>\n<div class=\"unit-content\">\n<p><span>\u60a8\u5728\u4e0a\u4e00\u4e2a\u9879\u76ee\u4e2d\u6784\u5efa\u7684Node.js\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884cSOQL\u67e5\u8be2\uff0c\u4ee5\u4eceSalesforce\u5e73\u53f0\u68c0\u7d22\u4f1a\u8bdd\u5217\u8868\u3002\u4e3a\u4e86\u5728Salesforce\u4e0a\u68c0\u7d22\u8be5\u6570\u636e\uff0c\u60a8\u9700\u8981\u5c06Node.js\u540e\u7aef\u903b\u8f91\u8f6c\u6362\u4e3aApex\u4ee3\u7801\u3002Apex\u662f\u4e00\u79cd\u5f3a\u7c7b\u578b\u7684\uff0c\u9762\u5411\u5bf9\u8c61\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5b83\u4f7f\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u7ed3\u5408\u5bf9API\u7684\u8c03\u7528\u5728Salesforce\u670d\u52a1\u5668\u4e0a\u6267\u884c\u6d41\u548c\u4e8b\u52a1\u63a7\u5236\u8bed\u53e5\u3002<\/span><\/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\"><span>\u6ce8\u610f<\/span><\/h4>\n<div class=\"message-media-content\">\n<p><span>Apex\u4ec5\u5728\u7279\u5b9a\u7684\u7528\u4f8b\u4e2d\u624d\u9700\u8981\uff0c\u4f8b\u5982\u83b7\u53d6\u8bb0\u5f55\u53ca\u5176\u76f8\u5173\u8bb0\u5f55\u3002\u4e0e\u5355\u4e2a\u8bb0\u5f55\u6570\u636e\u8fdb\u884c\u4ea4\u4e92\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528<\/span><span>User Interface API\u7684\u529f\u80fd<\/span><span>\u3002\u8fd9\u4f7f\u60a8\u53ef\u4ee5\u4f7f\u7528\u9884\u6784\u5efa\u7684\u7ebf\u9002\u914d\u5668\u548c\u51fd\u6570\u4ec5\u901a\u8fc7JavaScript\u5373\u53ef\u5bf9\u8bb0\u5f55\u6267\u884cCRUD\u64cd\u4f5c\uff0c\u800c\u65e0\u9700\u7f16\u5199\u4efb\u4f55Apex\u884c\u3002<\/span><\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><span>\u5728\u6b64\u6b65\u9aa4\u4e2d\uff0c\u60a8\u5c06\u7f16\u5199\u4e00\u4e2aApex\u63a7\u5236\u5668\uff0c\u8be5\u63a7\u5236\u5668\u6267\u884cSOQL\u67e5\u8be2\u5e76\u5c06\u5176\u516c\u5f00\u4e3a\u53ef\u4ee5\u7531\u60a8\u7684\u7ec4\u4ef6\u8c03\u7528\u7684\u7aef\u70b9\u3002<\/span><\/p>\n<h2 id=\"create-an-apex-controller\"><span>\u521b\u5efa\u4e00\u4e2aApex\u63a7\u5236\u5668<\/span><\/h2>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span>\u5728VS Code\u4e2d\uff0c\u53f3\u952e\u5355\u51fb\u8be5<\/span><code>classes<\/code><span>\u6587\u4ef6\u5939\uff0c\u7136\u540e\u5355\u51fb<\/span><strong><span>SFDX\uff1aCreate Apex Class<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u8f93\u5165\u540d\u79f0<\/span><code>SessionController<\/code><span>\u3002<\/span><\/li>\n<li><span>\u5982\u679cVS Code\u8be2\u95ee\uff0c\u8bf7\u9009\u62e9<\/span><code>force-app\/main\/default\/classes<\/code><span>\u4f5c\u4e3a\u8981\u6dfb\u52a0<\/span><code>SessionController.cls<\/code><span>\u5230\u7684\u76ee\u5f55\u3002<\/span><\/li>\n<li><span>\u5728\u65b0\u6253\u5f00\u7684\u6587\u4ef6\u4e2d\uff0c\u5c06\u9ed8\u8ba4\u4ee3\u7801\u66ff\u6362\u4e3a\u4ee5\u4e0b\u4ee3\u7801\u3002<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">with<\/span> <span class=\"token namespace\">sharing<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SessionController<\/span> <span class=\"token punctuation\">{<\/span>\n  <span class=\"token annotation punctuation\">@AuraEnabled<\/span><span class=\"token punctuation\">(<\/span>cacheable<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 class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Session__c<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">getSessions<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> searchKey<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">isBlank<\/span><span class=\"token punctuation\">(<\/span>searchKey<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n      <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">[<\/span>SELECT <span class=\"token class-name\">Id<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">toLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Room__c<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Description__c<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Date_and_Time__c<\/span><span class=\"token punctuation\">)<\/span> dateTime<span class=\"token punctuation\">,<\/span>\n      <span class=\"token punctuation\">(<\/span>SELECT <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Id<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Description<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Email<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Picture_URL__c<\/span> FROM <span class=\"token class-name\">Session_Speakers__r<\/span><span class=\"token punctuation\">)<\/span>\n      FROM <span class=\"token class-name\">Session__c<\/span> ORDER BY <span class=\"token class-name\">Date_and_Time__c<\/span> LIMIT <span class=\"token number\">100<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span>\n      <span class=\"token class-name\">String<\/span> key <span class=\"token operator\">=<\/span> <span class=\"token string\">'%'<\/span> <span class=\"token operator\">+<\/span> searchKey <span class=\"token operator\">+<\/span> <span class=\"token string\">'%'<\/span><span class=\"token punctuation\">;<\/span>\n      <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">[<\/span>SELECT <span class=\"token class-name\">Id<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">toLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Room__c<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Description__c<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Date_and_Time__c<\/span><span class=\"token punctuation\">)<\/span> dateTime<span class=\"token punctuation\">,<\/span>\n      <span class=\"token punctuation\">(<\/span>SELECT <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Id<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Description<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Email<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Picture_URL__c<\/span> FROM <span class=\"token class-name\">Session_Speakers__r<\/span><span class=\"token punctuation\">)<\/span>\n      FROM <span class=\"token class-name\">Session__c<\/span> WHERE <span class=\"token class-name\">Name<\/span> LIKE <span class=\"token operator\">:<\/span>key ORDER BY <span class=\"token class-name\">Date_and_Time__c<\/span> LIMIT <span class=\"token number\">100<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n  <span class=\"token punctuation\">}<\/span>\n  <span class=\"token annotation punctuation\">@AuraEnabled<\/span><span class=\"token punctuation\">(<\/span>cacheable<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 class-name\">Session__c<\/span> <span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Id<\/span> sessionId<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Session__c<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> sessions <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span>SELECT <span class=\"token class-name\">Id<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">toLabel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Room__c<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Description__c<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token function\">format<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Date_and_Time__c<\/span><span class=\"token punctuation\">)<\/span> dateTime<span class=\"token punctuation\">,<\/span>\n      <span class=\"token punctuation\">(<\/span>SELECT <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Id<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Description<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Email<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Picture_URL__c<\/span> FROM <span class=\"token class-name\">Session_Speakers__r<\/span><span class=\"token punctuation\">)<\/span>\n      FROM <span class=\"token class-name\">Session__c<\/span> WHERE <span class=\"token class-name\">Id<\/span> <span class=\"token operator\">=<\/span> <span class=\"token operator\">:<\/span>sessionId<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>sessions<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\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n      <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">AuraHandledException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'Could not find session'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n    <span class=\"token keyword\">return<\/span> sessions<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span><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 class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><span>\u8be5<\/span><code>@AuraEnabled(cacheable=true)<\/code><span>\u58f0\u660e\u5c06\u65b9\u6cd5\u516c\u5f00\u4e3a\u7aef\u70b9\uff0c\u4ee5\u4fbf\u60a8\u7684\u7ec4\u4ef6\u53ef\u4ee5\u8c03\u7528\u5b83\u4eec\u3002\u5b83\u8fd8\u652f\u6301\u5bf9\u65b9\u6cd5\u8fd4\u56de\u7684\u6570\u636e\u8fdb\u884c\u5ba2\u6237\u7aef\u7f13\u5b58\u3002\u60a8\u5728\u6b64\u5904\u7f16\u5199\u7684\u4ee3\u7801\u6bd4\u5176Node.js\u7b49\u6548\u4ee3\u7801\u77ed\uff0c\u56e0\u4e3a\u60a8\u4e0d\u5fc5\u62c5\u5fc3\u8eab\u4efd\u9a8c\u8bc1\u6216\u5f02\u6b65\u8fd0\u884c\u67e5\u8be2\u3002<\/span><\/p>\n<ol>\n<li><span>\u4fdd\u5b58<\/span><code>SessionController.cls<\/code><span>\u3002<\/span><\/li>\n<\/ol>\n<h2 id=\"retrieve-data-with-wires\"><span>\u4f7f\u7528\u7535\u7ebf\u68c0\u7d22\u6570\u636e<\/span><\/h2>\n<p><span>\u73b0\u5728\u6211\u4eec\u6709\u4e86\u7aef\u70b9\uff0c\u8ba9\u6211\u4eec\u66ff\u6362\u6a21\u62df\u6570\u636e\u5b9e\u73b0\uff0c\u5e76\u4f7f\u7528Wire Service\u7528\u771f\u5b9e\u6570\u636e\u68c0\u7d22\u4f1a\u8bdd\u8bb0\u5f55\u3002\u6b64\u670d\u52a1\u662fSalesforce\u5e73\u53f0\u4e0a\u7684\u7279\u6b8a\u5b9e\u73b0\uff0c\u5b83\u4f7f\u7528\u58f0\u660e\u6027\u65b9\u6cd5\u63d0\u4f9b\u4e86\u4f18\u5316\u7684\u8bfb\u53d6\u64cd\u4f5c\u548c\u5ba2\u6237\u7aef\u7f13\u5b58\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u6784\u5efa\u5b83\u3002<\/span><\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span>\u6253\u5f00<\/span><code>sessionList.js<\/code><span>\u3002<\/span><\/li>\n<li><span>\u7528\u4ee5\u4e0b\u4ee3\u7801\u66ff\u6362\u524d\u4e24\u884c\u4e2d\u7684\u5bfc\u5165\u4ee3\u7801\u3002<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token class-name\">LightningElement<\/span><span class=\"token punctuation\">,<\/span> wire <span class=\"token punctuation\">}<\/span> from <span class=\"token string\">'lwc'<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">getSessions<\/span> from <span class=\"token string\">'@salesforce\/apex\/SessionController.getSessions'<\/span><span class=\"token punctuation\">;<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><span>\u8fd9\u5c06\u5bfc\u5165\u4ece\u60a8\u7684Apex\u65b9\u6cd5\u81ea\u52a8\u751f\u6210\u7684\u7535\u7ebf\u9002\u914d\u5668\u3002\u00a0<\/span><\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span>\u5728\u4e0b\u9762\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u00a0<\/span><code>sessions = [];<\/code><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\">searchKey <span class=\"token operator\">=<\/span> <span class=\"token string\">''<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token annotation punctuation\">@wire<\/span><span class=\"token punctuation\">(<\/span>getSessions<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> searchKey<span class=\"token operator\">:<\/span> <span class=\"token string\">'$searchKey'<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>\n<span class=\"token function\">wiredSessions<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> error<span class=\"token punctuation\">,<\/span> data <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n  <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sessions <span class=\"token operator\">=<\/span> data<span class=\"token punctuation\">;<\/span>\n  <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>sessions <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'Failed to retrieve sessions'<\/span><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 class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><span>\u7535\u7ebf\u4f7f\u7528<\/span><code>getSessions<\/code><span>\u6620\u5c04\u5230\u6211\u4eec\u7684Apex\u7aef\u70b9\u7684\u9002\u914d\u5668\u3002\u4f7f\u7528<\/span><code>searchKey<\/code><span>\u6620\u5c04\u5230<\/span><code>searchKey<\/code><span>\u5c5e\u6027\u7684\u53c2\u6570\u8c03\u7528\u5bfc\u7ebf\u3002\u8bf7\u6ce8\u610f\uff0c\u53c2\u6570\u503c\u4ee5\u5e26\u6709<\/span><code>$<\/code><span>\u524d\u7f00\u7684\u5b57\u7b26\u4e32\u5f62\u5f0f\u4f20\u9012\u3002\u8fd9\u610f\u5473\u7740\u6b64\u53c2\u6570\u662f\u53cd\u5e94\u6027\u7684\uff1a\u6bcf\u6b21<\/span><code>searchKey<\/code><span>\u66f4\u6539\u65f6\u90fd\u4f1a\u8c03\u7528\u7535\u7ebf\u3002<\/span><\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span>\u5220\u9664<\/span><code>connectedCallback<\/code><span>\u529f\u80fd\u3002<\/span><\/li>\n<li><span>\u7528<\/span><code>handleSearchKeyInput<\/code><span>\u4ee5\u4e0b\u4ee3\u7801\u66ff\u6362\u8be5\u51fd\u6570\u3002<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token function\">handleSearchKeyInput<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n  <span class=\"token function\">clearTimeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>delayTimeout<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token keyword\">const<\/span> searchKey <span class=\"token operator\">=<\/span> event<span class=\"token punctuation\">.<\/span>target<span class=\"token punctuation\">.<\/span>value<span class=\"token punctuation\">;<\/span>\n  <span class=\"token comment\">\/\/ eslint-disable-next-line @lwc\/lwc\/no-async-operation<\/span>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>delayTimeout <span class=\"token operator\">=<\/span> <span class=\"token function\">setTimeout<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">=<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\">{<\/span>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>searchKey <span class=\"token operator\">=<\/span> searchKey<span class=\"token punctuation\">;<\/span>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">300<\/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\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><span>\u4e0d\u518d\u5728\u5ba2\u6237\u7aef\u6267\u884c\u8fc7\u6ee4\u3002<\/span><code>searchKey<\/code><span>\u73b0\u5728\u5c06\u5176\u4f20\u9012\u5230\u7ebf\u8def\uff0c\u4ee5\u4fbfApex\u8fd4\u56de\u5df2\u8fc7\u6ee4\u7684\u4f1a\u8bdd\u5217\u8868\u3002\u60a8\u6b63\u5728<\/span><code>searchKey<\/code><span>\u901a\u8fc7\u5bf9\u66f4\u65b0\u5e94\u7528300\u6beb\u79d2\u7684\u5ef6\u8fdf\u6765\u53d6\u6d88\u66f4\u65b0\u5c5e\u6027\u3002\u8fd9\u662f\u4e3a\u4e86\u907f\u514d\u5927\u91cf\u7684Apex\u65b9\u6cd5\u8c03\u7528\u3002<\/span><\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span>\u5c06\u8be5<\/span><code>handleSessionClick<\/code><span>\u51fd\u6570\u66ff\u6362\u4e3a\uff1a<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token function\">handleSessionClick<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n  <span class=\"token keyword\">const<\/span> <span class=\"token punctuation\">{<\/span> sessionId <span class=\"token punctuation\">}<\/span> <span class=\"token operator\">=<\/span> event<span class=\"token punctuation\">.<\/span>currentTarget<span class=\"token punctuation\">.<\/span>dataset<span class=\"token punctuation\">;<\/span>\n  <span class=\"token keyword\">const<\/span> navigateEvent <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CustomEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'navigate'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>\n    detail<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span>\n      state<span class=\"token operator\">:<\/span> <span class=\"token string\">'details'<\/span><span class=\"token punctuation\">,<\/span>\n      sessionId<span class=\"token operator\">:<\/span> sessionId\n    <span class=\"token punctuation\">}<\/span>\n  <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">dispatchEvent<\/span><span class=\"token punctuation\">(<\/span>navigateEvent<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\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><span>\u73b0\u5728\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4f1a\u8bdd\u8bb0\u5f55ID\u800c\u4e0d\u662f\u4f1a\u8bdd\u5217\u8868\u7d22\u5f15\u6765\u5bfc\u822a\u5230\u4f1a\u8bdd\u8be6\u7ec6\u4fe1\u606f\u9875\u9762\u3002<\/span><\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span>\u4fdd\u5b58<\/span><code>sessionList.js<\/code><span>\u3002<\/span><\/li>\n<li><span>\u6253\u5f00<\/span><code>sessionList.html<\/code><span>\u3002<\/span><\/li>\n<li><span>\u7528\u4ee5\u4e0b\u4ee3\u7801\u66ff\u6362\u6587\u4ef6\u5185\u5bb9\u3002<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>template<span class=\"token punctuation\">&gt;<\/span><\/span>\n  <span class=\"token operator\">&lt;<\/span>div <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"list\"<\/span><span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span>input type<span class=\"token operator\">=<\/span><span class=\"token string\">\"search\"<\/span> placeholder<span class=\"token operator\">=<\/span><span class=\"token string\">\"Search sessions...\"<\/span>\n     oninput<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>handleSearchKeyInput<span class=\"token punctuation\">}<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span>template <span class=\"token keyword\">for<\/span><span class=\"token operator\">:<\/span>each<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>sessions<span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">for<\/span><span class=\"token operator\">:<\/span>item<span class=\"token operator\">=<\/span><span class=\"token string\">\"session\"<\/span><span class=\"token operator\">&gt;<\/span>\n      <span class=\"token operator\">&lt;<\/span>a key<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Id<\/span><span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"session\"<\/span> data<span class=\"token operator\">-<\/span>session<span class=\"token operator\">-<\/span>id<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Id<\/span><span class=\"token punctuation\">}<\/span> onclick<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>handleSessionClick<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span>\n         <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>div<span class=\"token punctuation\">&gt;<\/span><\/span>\n           <span class=\"token operator\">&lt;<\/span>p <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"title\"<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span>\n           <span class=\"token operator\">&lt;<\/span>p <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"icon time\"<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span>dateTime<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span>\n           <span class=\"token operator\">&lt;<\/span>p <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"icon room\"<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Room__c<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span>\n         <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span>\n         <span class=\"token operator\">&lt;<\/span>template <span class=\"token keyword\">if<\/span><span class=\"token operator\">:<\/span><span class=\"token boolean\">true<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Session_Speakers__r<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span>\n           <span class=\"token operator\">&lt;<\/span>div <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"speaker-pictures\"<\/span><span class=\"token operator\">&gt;<\/span>\n             <span class=\"token operator\">&lt;<\/span>template <span class=\"token keyword\">for<\/span><span class=\"token operator\">:<\/span>each<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Session_Speakers__r<\/span><span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">for<\/span><span class=\"token operator\">:<\/span>item<span class=\"token operator\">=<\/span><span class=\"token string\">\"speaker\"<\/span><span class=\"token operator\">&gt;<\/span>\n               <span class=\"token operator\">&lt;<\/span>img key<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Id<\/span><span class=\"token punctuation\">}<\/span> src<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Picture_URL__c<\/span><span class=\"token punctuation\">}<\/span>\n                  alt<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">}<\/span> title<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span>\n              <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>template<span class=\"token operator\">&gt;<\/span>\n           <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span>\n       <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>template<span class=\"token operator\">&gt;<\/span>\n     <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>a<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>template<span class=\"token operator\">&gt;<\/span>\n  <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>template<span class=\"token operator\">&gt;<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><span>\u6a21\u677f\u7ed3\u6784\u57fa\u672c\u4fdd\u6301\u4e0d\u53d8\uff0c\u4f46\u662f\u73b0\u5728\u60a8\u4f7f\u7528Salesforce\u8bb0\u5f55\u5b57\u6bb5\u540d\u79f0\u3002\u5c31\u50cf\u60a8\u4e4b\u524d\u5728Node.js\u540e\u7aef\u4e2d\u6240\u505a\u7684\u90a3\u6837\uff0c\u8fd9\u7701\u53bb\u4e86\u7528JavaScript\u6620\u5c04\u5b57\u6bb5\u540d\u79f0\u7684\u5de5\u4f5c\u3002\u5728\u771f\u5b9e\u7684\u9879\u76ee\u4e2d\uff0c\u60a8\u5c06\u76f4\u63a5\u5728\u7ec4\u4ef6\u6a21\u677f\u4e2d\u4f7f\u7528Salesforce\u5b57\u6bb5\u540d\u79f0\u3002<\/span><\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span>\u4fdd\u5b58\u00a0<\/span><code>sessionList.html.<\/code><\/li>\n<li><span>\u6253\u5f00\u00a0<\/span><code>sessionDetails.js.<\/code><\/li>\n<li><span>\u5c06\u6587\u4ef6\u5185\u5bb9\u66ff\u6362\u4e3a\uff1a<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token keyword\">import<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token class-name\">LightningElement<\/span><span class=\"token punctuation\">,<\/span> api<span class=\"token punctuation\">,<\/span> wire <span class=\"token punctuation\">}<\/span> from <span class=\"token string\">'lwc'<\/span><span class=\"token punctuation\">;<\/span>\n<span class=\"token keyword\">import<\/span> <span class=\"token namespace\">getSession<\/span> from <span class=\"token string\">'@salesforce\/apex\/SessionController.getSession'<\/span><span class=\"token punctuation\">;<\/span>\nexport <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SessionDetails<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">LightningElement<\/span> <span class=\"token punctuation\">{<\/span>\n  <span class=\"token annotation punctuation\">@api<\/span> sessionId<span class=\"token punctuation\">;<\/span>\n  session<span class=\"token punctuation\">;<\/span>\n  <span class=\"token annotation punctuation\">@wire<\/span><span class=\"token punctuation\">(<\/span>getSession<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span> sessionId<span class=\"token operator\">:<\/span> <span class=\"token string\">'$sessionId'<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>\n  <span class=\"token function\">wiredSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> error<span class=\"token punctuation\">,<\/span> data <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>data<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>session <span class=\"token operator\">=<\/span> data<span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>error<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n      <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>session <span class=\"token operator\">=<\/span> undefined<span class=\"token punctuation\">;<\/span>\n      <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'Failed to retrieve session'<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token punctuation\">}<\/span>\n  <span class=\"token punctuation\">}<\/span>\n  <span class=\"token function\">handleSessionsClick<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">const<\/span> navigateEvent <span class=\"token operator\">=<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CustomEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">'navigate'<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>\n      detail<span class=\"token operator\">:<\/span> <span class=\"token punctuation\">{<\/span>\n        state<span class=\"token operator\">:<\/span> <span class=\"token string\">'list'<\/span>\n      <span class=\"token punctuation\">}<\/span>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">dispatchEvent<\/span><span class=\"token punctuation\">(<\/span>navigateEvent<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 class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><span>\u5c31\u50cffor\u4e00\u6837<\/span><code>sessionList<\/code><span>\uff0c\u60a8\u5c06<\/span><code>getSession<\/code><span>Apex\u65b9\u6cd5\u8fde\u63a5\u5230<\/span><code>session<\/code><span>\u5c5e\u6027\u3002\u60a8\u5c06<\/span><code>sessionId<\/code><span>\u516c\u5171\u5c5e\u6027\u4f5c\u4e3a\u53cd\u5e94\u6027\u53c2\u6570\u4f20\u9012\u7ed9<\/span><code>getSession<\/code><span>\u3002<\/span><\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span>\u4fdd\u5b58<\/span><code>sessionDetails.js<\/code><span>\u3002<\/span><\/li>\n<li><span>\u6253\u5f00<\/span><code>sessionDetails.html<\/code><span>\u3002<\/span><\/li>\n<li><span>\u5c06\u6587\u4ef6\u5185\u5bb9\u66ff\u6362\u4e3a\uff1a<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>template<span class=\"token punctuation\">&gt;<\/span><\/span>\n  <span class=\"token operator\">&lt;<\/span>template <span class=\"token keyword\">if<\/span><span class=\"token operator\">:<\/span><span class=\"token boolean\">true<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span>\n    <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>h2<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token operator\">&lt;<\/span>a href<span class=\"token operator\">=<\/span><span class=\"token string\">\"#\"<\/span> onclick<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>handleSessionsClick<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token class-name\">Sessions<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>a<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h2<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span>p <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"icon time\"<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span>dateTime<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span>p <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"icon room\"<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Room__c<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>h3<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token class-name\">Abstract<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h3<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span>div <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"abstract\"<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Description__c<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>h3<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token class-name\">Speakers<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>h3<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span>div <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"speaker-list\"<\/span><span class=\"token operator\">&gt;<\/span>\n      <span class=\"token operator\">&lt;<\/span>template <span class=\"token keyword\">if<\/span><span class=\"token operator\">:<\/span><span class=\"token boolean\">true<\/span><span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Session_Speakers__r<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span>\n        <span class=\"token operator\">&lt;<\/span>template <span class=\"token keyword\">for<\/span><span class=\"token operator\">:<\/span>each<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>session<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Session_Speakers__r<\/span><span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">for<\/span><span class=\"token operator\">:<\/span>item<span class=\"token operator\">=<\/span><span class=\"token string\">\"speaker\"<\/span><span class=\"token operator\">&gt;<\/span>\n          <span class=\"token operator\">&lt;<\/span>c<span class=\"token operator\">-<\/span>speaker<span class=\"token operator\">-<\/span>card key<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">.<\/span>id<span class=\"token punctuation\">}<\/span> speaker<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Speaker__r<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span>\n          <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>c<span class=\"token operator\">-<\/span>speaker<span class=\"token operator\">-<\/span>card<span class=\"token operator\">&gt;<\/span>\n        <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>template<span class=\"token operator\">&gt;<\/span>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>template<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span>\n  <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>template<span class=\"token operator\">&gt;<\/span>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>template<span class=\"token operator\">&gt;<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li><span>\u4fdd\u5b58<\/span><code>sessionDetails.html<\/code><span>\u3002<\/span><\/li>\n<li><span>\u6253\u5f00<\/span><code>speakerCard.html<\/code><span>\u3002<\/span><\/li>\n<li><span>\u7528\u4ee5\u4e0b\u4ee3\u7801\u66ff\u6362\u6587\u4ef6\u5185\u5bb9\u3002<\/span><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>template<span class=\"token punctuation\">&gt;<\/span><\/span>\n  <span class=\"token operator\">&lt;<\/span>div <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"card\"<\/span><span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span>div <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"header\"<\/span><span class=\"token operator\">&gt;<\/span>\n      <span class=\"token operator\">&lt;<\/span>img src<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Picture_URL__c<\/span><span class=\"token punctuation\">}<\/span> alt<span class=\"token operator\">=<\/span><span class=\"token string\">\"Speaker picture\"<\/span><span class=\"token operator\">&gt;<\/span>\n      <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>div<span class=\"token punctuation\">&gt;<\/span><\/span>\n        <span class=\"token operator\">&lt;<\/span>p <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"title\"<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span>\n        <span class=\"token operator\">&lt;<\/span>p <span class=\"token keyword\">class<\/span><span class=\"token operator\">=<\/span><span class=\"token string\">\"icon email\"<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Email<\/span><span class=\"token punctuation\">}<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>p<span class=\"token operator\">&gt;<\/span>\n      <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token punctuation\">{<\/span>speaker<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Description<\/span><span class=\"token punctuation\">}<\/span>\n  <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>template<span class=\"token operator\">&gt;<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<ol>\n<li><span>\u4fdd\u5b58<\/span><code>speakerCard.html<\/code><span>\u3002<\/span><\/li>\n<li><span>\u901a\u8fc7\u53f3\u952e\u5355\u51fb<\/span><code>force-app<\/code><span>\u6587\u4ef6\u5939\u5e76\u5355\u51fb<\/span><strong><span>SFDX\uff1a\u5c06\u6e90\u90e8\u7f72\u5230\u7ec4\u7ec7<\/span><\/strong><span>\u6765\u91cd\u65b0\u90e8\u7f72\u7ec4\u4ef6\u3002<\/span><\/li>\n<\/ol>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/convert-lightning-web-components-open-source-to-salesforce\/retrieve-data-using-apex\/images\/05da9d7624f2bcf68ddfce844334c276_ck-0-zpe-3-ex-001-s-0-ygcd-17-bbyzg-2.png\" alt=\"\u4f1a\u8bdd\u5217\u8868\u663e\u793a\u5e73\u53f0\u6570\u636e\u7684\u5b8c\u6574\u5e94\u7528\u7a0b\u5e8f\u3002\" width=\"624\" height=\"392\" \/><\/p>\n<h2 id=\"project-summary\"><span>\u9879\u76ee\u603b\u7ed3<\/span><\/h2>\n<p><span>\u606d\u559c\u4f60\uff01\u60a8\u5df2\u6210\u529f\u8f6c\u6362\u4e86Lightning Web Component\u5f00\u6e90\u5e94\u7528\u7a0b\u5e8f\u5e76\u5c06\u5176\u90e8\u7f72\u5728Salesforce\u5e73\u53f0\u4e0a\u3002<\/span><\/p>\n<p><span>\u60a8\u521a\u521a\u4e86\u89e3\u4e86Salesforce\u5e73\u53f0\u63d0\u4f9b\u7684\u5f3a\u5927\u58f0\u660e\u529f\u80fd\uff0c\u4ece\u800c\u51cf\u5c11\u4e86\u6784\u5efa\u5e94\u7528\u7a0b\u5e8f\u6240\u9700\u5b9e\u73b0\u7684\u4ee3\u7801\u91cf\u3002\u67e5\u770b\u5176\u4ed6\u8bb8\u591aLightning Web Component\u9879\u76ee\u548c\u6a21\u5757\uff0c\u4ee5\u4e86\u89e3\u6709\u5173\u4f7f\u60a8\u66f4\u5feb\u5730\u6784\u5efa\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u7684\u6280\u672f\u7684\u66f4\u591a\u4fe1\u606f\u3002<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Apex\u68c0\u7d22\u6570\u636e \u60a8\u5728\u4e0a\u4e00\u4e2a\u9879\u76ee\u4e2d\u6784\u5efa\u7684Node.js\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884cSOQL\u67e5\u8be2\uff0c\u4ee5\u4eceSalesforce\u5e73 &hellip; <a href=\"http:\/\/www.ponybai.com\/?p=3329\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u5c06Lightning Web Components\u5f00\u6e90\u8f6c\u6362\u4e3aSalesforce &#8211; \u4f7f\u7528Apex\u68c0\u7d22\u6570\u636e<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":3330,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[108],"tags":[],"class_list":["post-3329","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lightning-web-componentssalesforce"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5c06Lightning Web Components\u5f00\u6e90\u8f6c\u6362\u4e3aSalesforce - \u4f7f\u7528Apex\u68c0\u7d22\u6570\u636e - \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=3329\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5c06Lightning Web Components\u5f00\u6e90\u8f6c\u6362\u4e3aSalesforce - \u4f7f\u7528Apex\u68c0\u7d22\u6570\u636e - \u767d\u767d\u968f\u7b14\" \/>\n<meta property=\"og:description\" content=\"\u4f7f\u7528Apex\u68c0\u7d22\u6570\u636e \u60a8\u5728\u4e0a\u4e00\u4e2a\u9879\u76ee\u4e2d\u6784\u5efa\u7684Node.js\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884cSOQL\u67e5\u8be2\uff0c\u4ee5\u4eceSalesforce\u5e73 &hellip; \u7ee7\u7eed\u9605\u8bfb\u5c06Lightning Web Components\u5f00\u6e90\u8f6c\u6362\u4e3aSalesforce &#8211; \u4f7f\u7528Apex\u68c0\u7d22\u6570\u636e\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.ponybai.com\/?p=3329\" \/>\n<meta property=\"og:site_name\" content=\"\u767d\u767d\u968f\u7b14\" \/>\n<meta property=\"article:published_time\" content=\"2021-01-13T08:25:37+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2021\/01\/4-1.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"1351\" \/>\n\t<meta property=\"og:image:height\" content=\"848\" \/>\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=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\/\/www.ponybai.com\/?p=3329#article\",\"isPartOf\":{\"@id\":\"http:\/\/www.ponybai.com\/?p=3329\"},\"author\":{\"name\":\"ponybai\",\"@id\":\"http:\/\/www.ponybai.com\/#\/schema\/person\/935c7592c850c65e1e5eba4530dbf883\"},\"headline\":\"\u5c06Lightning Web Components\u5f00\u6e90\u8f6c\u6362\u4e3aSalesforce &#8211; \u4f7f\u7528Apex\u68c0\u7d22\u6570\u636e\",\"datePublished\":\"2021-01-13T08:25:37+00:00\",\"dateModified\":\"2021-01-13T08:25:37+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\/\/www.ponybai.com\/?p=3329\"},\"wordCount\":62,\"publisher\":{\"@id\":\"http:\/\/www.ponybai.com\/#\/schema\/person\/935c7592c850c65e1e5eba4530dbf883\"},\"articleSection\":[\"\u5c06Lightning Web 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