{"id":3177,"date":"2021-01-12T21:56:11","date_gmt":"2021-01-12T13:56:11","guid":{"rendered":"http:\/\/www.salesforcecrm.cn\/?p=3177"},"modified":"2021-01-12T21:56:11","modified_gmt":"2021-01-12T13:56:11","slug":"%e5%bf%ab%e9%80%9f%e5%85%a5%e9%97%a8%ef%bc%9a%e9%97%aa%e7%94%b5web%e7%bb%84%e4%bb%b6-%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aahello-world-lightning-web%e7%bb%84%e4%bb%b6","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=3177","title":{"rendered":"\u5feb\u901f\u5165\u95e8\uff1a\u95ea\u7535Web\u7ec4\u4ef6 &#8211; \u521b\u5efa\u4e00\u4e2aHello World Lightning Web\u7ec4\u4ef6"},"content":{"rendered":"<h1 class=\"slds-p-top_small slds-text-heading_large\"><span>\u521b\u5efa\u4e00\u4e2aHello World Lightning Web\u7ec4\u4ef6<\/span><\/h1>\n<div class=\"unit-content\">\n<p><span>\u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u5f00\u53d1\u73af\u5883\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684Lightning Web\u7ec4\u4ef6\u3002<\/span><\/p>\n<div class=\"ph\"><span>\u521b\u5efa\u4e00\u4e2aSalesforce DX\u9879\u76ee<\/span><\/div>\n<ol>\n<li><span>\u5728Visual Studio Code\u4e2d\uff0c\u901a\u8fc7\u6309<\/span><strong><span>Ctrl + Shift + P<\/span><\/strong><span>\uff08Windows\uff09\u6216<\/span><strong><span>Cmd + Shift + P<\/span><\/strong><span>\uff08macOS\uff09\u6253\u5f00\u547d\u4ee4\u9762\u677f\u3002<\/span><\/li>\n<li><span>\u8f93\u5165<\/span><code>SFDX<\/code><span>\u3002<\/span><\/li>\n<li><span>\u9009\u62e9<\/span><strong><span>SFDX\uff1a\u521b\u5efa\u9879\u76ee<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u6309<\/span><strong><span>Enter<\/span><\/strong><span>\u63a5\u53d7\u6807\u51c6\u9009\u9879\u3002<\/span><\/li>\n<li><span>\u8f93\u5165<\/span><code>HelloWorldLightningWebComponent<\/code><span>\u4f5c\u4e3a\u9879\u76ee\u540d\u79f0\u3002<\/span><\/li>\n<li><span>\u6309<\/span><strong><span>Enter\u952e<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u9009\u62e9\u4e00\u4e2a\u6587\u4ef6\u5939\u6765\u5b58\u50a8\u9879\u76ee\u3002<\/span><\/li>\n<li><span>\u5355\u51fb<\/span><strong><span>\u521b\u5efa\u9879\u76ee<\/span><\/strong><span>\u3002\u60a8\u5e94\u8be5\u5728\u57fa\u672c\u8bbe\u7f6e\u4e2d\u770b\u5230\u7c7b\u4f3c\u8fd9\u6837\u7684\u5185\u5bb9\u3002<\/span><br \/>\n<img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/f3fda2bf3f582cb8ebb954c4bb28b8b2_step-3-create-project-result.png\" alt=\"\u5e26\u6709\u65b0\u521b\u5efa\u7684HelloWorldLightningWebComponent\u6587\u4ef6\u5939\u7684Visual Studio\u4ee3\u7801\" \/><\/li>\n<\/ol>\n<div class=\"ph\"><span>\u6388\u6743\u60a8\u7684Trailhead\u6e38\u4e50\u573a<\/span><\/div>\n<ol>\n<li><span>\u5728Visual Studio Code\u4e2d\uff0c\u901a\u8fc7\u6309<\/span><strong><span>Ctrl + Shift + P<\/span><\/strong><span>\uff08Windows\uff09\u6216<\/span><strong><span>Cmd + Shift + P<\/span><\/strong><span>\uff08macOS\uff09\u6253\u5f00\u547d\u4ee4\u9762\u677f\u3002<\/span><\/li>\n<li><span>\u8f93\u5165<\/span><code>SFDX<\/code><span>\u3002<\/span><\/li>\n<li><span>\u9009\u62e9<\/span><strong><span>SFDX\uff1a\u6388\u6743\u7ec4\u7ec7<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u6309<\/span><strong><span>Enter<\/span><\/strong><span>\u63a5\u53d7\u201c\u9879\u76ee\u9ed8\u8ba4\u767b\u5f55URL\u201d\u9009\u9879\u3002<\/span><\/li>\n<li><span>\u6309<\/span><strong><span>Enter<\/span><\/strong><span>\u63a5\u53d7\u9ed8\u8ba4\u522b\u540d\u3002<\/span><br \/>\n<span>\u8fd9\u5c06\u5728\u5355\u72ec\u7684\u6d4f\u89c8\u5668\u7a97\u53e3\u4e2d\u6253\u5f00Salesforce\u767b\u5f55\u3002<\/span><\/li>\n<li><span>\u4f7f\u7528\u60a8\u7684Trailhead Playground\u51ed\u636e\u767b\u5f55\u3002<\/span><\/li>\n<li><span>\u5982\u679c\u63d0\u793a\u5141\u8bb8\u8bbf\u95ee\uff0c\u8bf7\u5355\u51fb<\/span><strong><span>\u5141\u8bb8<\/span><\/strong><span>\u3002<\/span><br \/>\n<img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/dae81c341108e2c67d3ee81755c2f438_step-3-allow-access.png\" alt=\"\u5141\u8bb8\u8bbf\u95ee\u5bf9\u8bdd\u6846\" \/><\/li>\n<li><span>\u5728\u6d4f\u89c8\u5668\u4e2d\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u540e\uff0cCLI\u4f1a\u8bb0\u4f4f\u60a8\u7684\u51ed\u636e\u3002\u6210\u529f\u6d88\u606f\u5e94\u5982\u4e0b\u6240\u793a\uff1a<\/span><br \/>\n<img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/b631c54320a074eaaba5a48c5beb4e66_step-3-cli-success-message.png\" alt=\"\u6388\u6743\u7ec4\u7ec7\u7684\u6210\u529f\u4fe1\u606f\" \/><\/li>\n<\/ol>\n<div class=\"ph\"><span>\u521b\u5efa\u4e00\u4e2a\u95ea\u7535Web\u7ec4\u4ef6<\/span><\/div>\n<ol>\n<li><span>\u5728Visual Studio Code\u4e2d\uff0c\u901a\u8fc7\u6309<\/span><strong><span>Ctrl + Shift + P<\/span><\/strong><span>\uff08Windows\uff09\u6216<\/span><strong><span>Cmd + Shift + P<\/span><\/strong><span>\uff08macOS\uff09\u6253\u5f00\u547d\u4ee4\u9762\u677f\u3002<\/span><\/li>\n<li><span>\u8f93\u5165<\/span><code>SFDX<\/code><span>\u3002<\/span><\/li>\n<li><span>\u9009\u62e9<\/span><strong><span>SFDX\uff1a\u521b\u5efaLightning Web\u7ec4\u4ef6<\/span><\/strong><span>\u3002\u4e0d\u8981\u4f7f\u7528<\/span><strong><span>SFDX\uff1a\u521b\u5efa\u95ea\u7535\u7ec4\u4ef6<\/span><\/strong><span>\u3002\uff08\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2aAura\u7ec4\u4ef6\u3002\uff09<\/span><\/li>\n<li><span>\u8f93\u5165<\/span><code>helloWorld<\/code><span>\u65b0\u7ec4\u4ef6\u7684\u540d\u79f0\u3002<\/span><\/li>\n<li><span>\u6309<\/span><strong><span>Enter<\/span><\/strong><span>\u63a5\u53d7\u9ed8\u8ba4\u503c<\/span><code>force-app\/main\/default\/lwc.<\/code><\/li>\n<li><span>\u6309<\/span><strong><span>Enter\u952e<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u5728Visual Studio Code\u4e2d\u67e5\u770b\u65b0\u521b\u5efa\u7684\u6587\u4ef6\u3002<\/span><br \/>\n<img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/448edec7763a2b0269d62b988d7a9ef7_step-3-vscode-helloworld.png\" alt=\"Visual Studio Code\u4e2d\u7684\u95ea\u7535Web\u7ec4\u4ef6\u6587\u4ef6\u5c42\u6b21\u7ed3\u6784\" \/><\/li>\n<li><span>\u5728HTML\u6587\u4ef6\u4e2d<\/span><code>helloWorld.html<\/code><span>\uff0c\u590d\u5236\u5e76\u7c98\u8d34\u4ee5\u4e0b\u4ee3\u7801\u3002<\/span>\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>lightning<span class=\"token operator\">-<\/span>card title<span class=\"token operator\">=<\/span><span class=\"token string\">\"HelloWorld\"<\/span> icon<span class=\"token operator\">-<\/span>name<span class=\"token operator\">=<\/span><span class=\"token string\">\"custom:custom14\"<\/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\">\"slds-m-around_medium\"<\/span><span class=\"token operator\">&gt;<\/span>\n      <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>p<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token class-name\">Hello<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>greeting<span class=\"token punctuation\">}<\/span><span class=\"token operator\">!<\/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>lightning<span class=\"token operator\">-<\/span>input label<span class=\"token operator\">=<\/span><span class=\"token string\">\"Name\"<\/span> value<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>greeting<span class=\"token punctuation\">}<\/span> onchange<span class=\"token operator\">=<\/span><span class=\"token punctuation\">{<\/span>changeHandler<span class=\"token punctuation\">}<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>lightning<span class=\"token operator\">-<\/span>input<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>lightning<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><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li><span>\u4fdd\u5b58\u6587\u4ef6\u3002<\/span><\/li>\n<li><span>\u5728JavaScript\u6587\u4ef6\u4e2d<\/span><code>helloWorld.js<\/code><span>\uff0c\u590d\u5236\u5e76\u7c98\u8d34\u4ee5\u4e0b\u4ee3\u7801\u3002<\/span>\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> from <span class=\"token string\">'lwc'<\/span><span class=\"token punctuation\">;<\/span>\nexport <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">HelloWorld<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">LightningElement<\/span> <span class=\"token punctuation\">{<\/span>\n  greeting <span class=\"token operator\">=<\/span> <span class=\"token string\">'World'<\/span><span class=\"token punctuation\">;<\/span>\n  <span class=\"token function\">changeHandler<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>greeting <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 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<\/li>\n<li><span>\u4fdd\u5b58\u6587\u4ef6\u3002<\/span><\/li>\n<li><span>\u5728XML\u6587\u4ef6\u4e2d<\/span><code>helloWorld.js-meta.xml<\/code><span>\uff0c\u590d\u5236\u5e76\u7c98\u8d34\u4ee5\u4e0b\u4ee3\u7801\u3002<\/span>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">?<\/span>xml version<span class=\"token operator\">=<\/span><span class=\"token string\">\"1.0\"<\/span> encoding<span class=\"token operator\">=<\/span><span class=\"token string\">\"UTF-8\"<\/span><span class=\"token operator\">?<\/span><span class=\"token operator\">&gt;<\/span>\n<span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">LightningComponentBundle<\/span> xmlns<span class=\"token operator\">=<\/span><span class=\"token string\">\"http:\/\/soap.sforce.com\/2006\/04\/metadata\"<\/span> fqn<span class=\"token operator\">=<\/span><span class=\"token string\">\"helloWorld\"<\/span><span class=\"token operator\">&gt;<\/span>\n  <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>apiVersion<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token number\">45.0<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>apiVersion<span class=\"token operator\">&gt;<\/span>\n  <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>isExposed<span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token boolean\">true<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>isExposed<span class=\"token operator\">&gt;<\/span>\n  <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>targets<span class=\"token punctuation\">&gt;<\/span><\/span>\n    <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>target<span class=\"token punctuation\">&gt;<\/span><\/span>lightning__AppPage<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>target<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>target<span class=\"token punctuation\">&gt;<\/span><\/span>lightning__RecordPage<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>target<span class=\"token operator\">&gt;<\/span>\n    <span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span>target<span class=\"token punctuation\">&gt;<\/span><\/span>lightning__HomePage<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>target<span class=\"token operator\">&gt;<\/span>\n  <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>targets<span class=\"token operator\">&gt;<\/span>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span><span class=\"token class-name\">LightningComponentBundle<\/span><span class=\"token operator\">&gt;<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li><span>\u4fdd\u5b58\u6587\u4ef6\u3002<\/span><\/li>\n<\/ol>\n<div class=\"ph\"><span>\u90e8\u7f72\u5230\u60a8\u7684Trailhead\u6e38\u4e50\u573a<\/span><\/div>\n<ol>\n<li><span>\u53f3\u952e\u5355\u51fb\u4e0b\u7684<\/span><code>default<\/code><span>\u6587\u4ef6\u5939<\/span><code>force-app\/main<\/code><span>\u3002<\/span><br \/>\n<img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/da26390b00e601bfe92131414adfec08_step-3-menu-with-deploy.png\" alt=\"\u53f3\u952e\u5355\u51fb\u9ed8\u8ba4\u6587\u4ef6\u5939\uff0c\u5728\u9009\u9879\u5217\u8868\u4e2d\u9009\u62e9\u201c SFDX\uff1a\u5c06\u6e90\u90e8\u7f72\u5230\u7ec4\u7ec7\u201d\u3002\" \/><\/li>\n<li><span>\u5355\u51fb<\/span><strong><span>SFDX\uff1a\u5c06\u6e90\u90e8\u7f72\u5230\u7ec4\u7ec7<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u5728\u96c6\u6210\u7ec8\u7aef\u7684\u201c\u8f93\u51fa\u201d\u9009\u9879\u5361\u4e2d\uff0c\u67e5\u770b\u90e8\u7f72\u7ed3\u679c\u3002\u60a8\u8fd8\u5e94\u8be5\u6536\u5230\u4e00\u6761\u58f0\u660e\uff0c\u6307\u51fa\uff1a<\/span><code>SFDX: Deploy Source to Org ... ended with exit code 0<\/code><span>\u3002\u8fd9\u610f\u5473\u7740\u547d\u4ee4\u5df2\u6210\u529f\u8fd0\u884c\u3002<\/span><br \/>\n<img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/827b40567d79dbe6b0677e542618323d_step-3-deploy-success.png\" alt=\"\u201c\u8f93\u51fa\u201d\u9009\u9879\u5361\u663e\u793a\u7ed3\u679c\uff0c\u6210\u529f\u9000\u51fa\u4ee3\u7801\u4e3a0\u3002\" \/><\/li>\n<\/ol>\n<div class=\"ph\"><span>\u5728Lightning Experience\u4e2d\u5c06\u7ec4\u4ef6\u6dfb\u52a0\u5230App<\/span><\/div>\n<ol>\n<li><span>\u5728Visual Studio Code\u4e2d\uff0c\u901a\u8fc7\u6309<\/span><strong><span>Ctrl + Shift + P<\/span><\/strong><span>\uff08Windows\uff09\u6216<\/span><strong><span>Cmd + Shift + P<\/span><\/strong><span>\uff08macOS\uff09\u6253\u5f00\u547d\u4ee4\u9762\u677f\u3002<\/span><\/li>\n<li><span>\u8f93\u5165<\/span><code>SFDX<\/code><span>\u3002<\/span><\/li>\n<li><span>\u9009\u62e9<\/span><strong><span>SFDX\uff1a\u6253\u5f00Default Org<\/span><\/strong><span>\u3002<\/span><br \/>\n<span>\u8fd9\u5c06\u5728\u5355\u72ec\u7684\u6d4f\u89c8\u5668\u4e2d\u6253\u5f00\u60a8\u7684Trailhead Playground\u3002<\/span><\/li>\n<li><span>\u5728\u5e94\u7528\u542f\u52a8\u5668\uff08<\/span><img decoding=\"async\" class=\"image\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/08739c7710be972d1ca690d6bc52746f_icon-applauncher-large.png\" alt=\"\u5e94\u7528\u542f\u52a8\u5668\" \/><span>\uff09\u4e2d\uff0c\u627e\u5230\u5e76\u9009\u62e9<\/span><strong><span>\u9500\u552e\u3002<\/span><\/strong><\/li>\n<li><span>\u5355\u51fb\u00a0<\/span><img decoding=\"async\" class=\"image\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/9af2e5f8e4dd98141efa27a120836826_icon-setup-large.png\" alt=\"\u5b89\u88c5\u88c5\u7f6e\" \/><span>\u00a0\u7136\u540e\u9009\u62e9\u201c<\/span><strong><span>\u7f16\u8f91\u9875\u9762\u201d<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u5c06<\/span><code>helloWorld<\/code><span>Lightning Web\u7ec4\u4ef6\u4eceLightning Components\u5217\u8868\u7684Custom\u533a\u57df\u62d6\u5230Page Canvas\u7684\u9876\u90e8\u3002<\/span><img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/1040bf021ce5eaf4a269691a376d74bd_step-3-app-builder.png\" alt=\"\u53f3\u4fa7\u680f\u4e2d\u5305\u542b\u5e26\u6709HelloWorld lightning Web\u7ec4\u4ef6\u7684Lightning App Builder\u3002\" \/><\/li>\n<li><span>\u70b9\u51fb<\/span><strong><span>\u4fdd\u5b58<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u70b9\u51fb<\/span><strong><span>\u6fc0\u6d3b<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u5355\u51fb<\/span><strong><span>\u5206\u914d\u4e3a\u7ec4\u7ec7\u9ed8\u8ba4\u503c<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u70b9\u51fb<\/span><strong><span>\u4fdd\u5b58<\/span><\/strong><span>\u3002<\/span><\/li>\n<li><span>\u518d\u6b21\u5355\u51fb<\/span><strong><span>\u4fdd\u5b58<\/span><\/strong><span>\uff0c\u7136\u540e\u5355\u51fb<\/span><img decoding=\"async\" class=\"image\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/efc134a6b5f2617249b5f279f23f4c11_icon-app-builder-back-arrow.png\" alt=\"\u540e\u9000\u7bad\u5934\" \/><span>\u4ee5\u8fd4\u56de\u5230\u9875\u9762\u3002<\/span><\/li>\n<li><span>\u5237\u65b0\u9875\u9762\u4ee5\u67e5\u770b\u65b0\u7ec4\u4ef6\u3002<\/span><\/li>\n<\/ol>\n<p><img decoding=\"async\" class=\"image image-block\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/quick-start-lightning-web-components\/create-a-hello-world-lightning-web-component\/images\/2096f56b5dcfbf909fdbbe7d678befb4_step-3-home-page-final.png\" alt=\"HelloWorld Lightning Web\u7ec4\u4ef6\u7684\u4e3b\u9875\u3002\" \/><\/p>\n<p><span>\u60a8\u5df2\u7ecf\u6b63\u5f0f\u5236\u4f5c\u4e86\u7b2c\u4e00\u4e2aLightning Web\u7ec4\u4ef6\uff01<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u521b\u5efa\u4e00\u4e2aHello World Lightning Web\u7ec4\u4ef6 \u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u8bbe\u7f6e\u4e86\u5f00\u53d1\u73af\u5883\uff0c\u60a8\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7b80\u5355 &hellip; <a href=\"http:\/\/www.ponybai.com\/?p=3177\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u5feb\u901f\u5165\u95e8\uff1a\u95ea\u7535Web\u7ec4\u4ef6 &#8211; \u521b\u5efa\u4e00\u4e2aHello World Lightning Web\u7ec4\u4ef6<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":3178,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[117],"tags":[],"class_list":["post-3177","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-web"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5feb\u901f\u5165\u95e8\uff1a\u95ea\u7535Web\u7ec4\u4ef6 - \u521b\u5efa\u4e00\u4e2aHello World Lightning Web\u7ec4\u4ef6 - \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\" 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