{"id":3200,"date":"2021-01-12T22:33:54","date_gmt":"2021-01-12T14:33:54","guid":{"rendered":"http:\/\/www.salesforcecrm.cn\/?p=3200"},"modified":"2021-01-12T22:33:54","modified_gmt":"2021-01-12T14:33:54","slug":"%e8%ae%be%e7%bd%ae%e6%82%a8%e7%9a%84lightning-web-components%e5%bc%80%e5%8f%91%e4%ba%ba%e5%91%98%e5%b7%a5%e5%85%b7-%e5%88%9b%e5%bb%ba%e4%b8%80%e4%b8%aa%e9%97%aa%e7%94%b5web%e7%bb%84%e4%bb%b6","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=3200","title":{"rendered":"\u8bbe\u7f6e\u60a8\u7684Lightning Web Components\u5f00\u53d1\u4eba\u5458\u5de5\u5177 &#8211; \u521b\u5efa\u4e00\u4e2a\u95ea\u7535Web\u7ec4\u4ef6"},"content":{"rendered":"<h1 class=\"slds-p-top_small slds-text-heading_large\">\u521b\u5efa\u4e00\u4e2a\u95ea\u7535Web\u7ec4\u4ef6<\/h1>\n<div class=\"unit-content\">\n<p>\u5728\u8fd9\u4e00\u6b65\u4e2d\uff0c\u60a8\u5c06\u5b66\u4e60\u5982\u4f55\u4f7f\u7528\u4e4b\u524d\u5b89\u88c5\u7684\u5de5\u5177\u3002<\/p>\n<p><strong>\u60a8\u77e5\u9053\u60a8\u53ef\u4ee5\u5411\u4e13\u5bb6\u5b66\u4e60\u5417\uff1f\u00a0<\/strong>\u89c2\u770b\u6b64\u89c6\u9891\uff0c\u4ee5\u4e86\u89e3\u6709\u5173\u8be5\u9879\u76ee\u4e3b\u9898\u7684\u66f4\u591a\u4fe1\u606f\uff1a<\/p>\n<p><iframe class=\"image-center\" src=\"https:\/\/play.vidyard.com\/SPqu7xU254WT6n9UF9YitJ\" width=\"899\" height=\"505.6875\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/p>\n<div class=\"ph\">\u521b\u5efa\u4e00\u4e2aSalesforce DX\u9879\u76ee<\/div>\n<p>\u4f7f\u7528Salesforce CLI\u4e0e\u7ec4\u7ec7\u8fdb\u884c\u4ea4\u4e92\u7684\u57fa\u672c\u57fa\u7840\u662fSalesforce DX\u9879\u76ee\u3002\u4e00\u4e2a\u9879\u76ee\u7531\u51e0\u4e2a\u672c\u5730\u914d\u7f6e\u6587\u4ef6\u4ee5\u53ca\u8981\u90e8\u7f72\u7684\u4ee3\u7801\u7ec4\u6210\u3002\u7528Salesforce\u672f\u8bed\u6765\u8bf4\uff0c\u6211\u4eec\u5c06\u6b64\u4ee3\u7801\u79f0\u4e3a\u5143\u6570\u636e\uff0c\u5b83\u662fSalesforce\u5e73\u53f0\u7684\u57fa\u7840\u3002\u5982\u679c\u60a8\u4e0d\u719f\u6089Salesforce\uff0c\u8bf7\u67e5\u770b\u201c\u00a0\u5e73\u53f0\u5f00\u53d1\u57fa\u7840\u77e5\u8bc6\u201d\u4ee5\u4e86\u89e3\u6709\u5173\u6211\u4eec\u5143\u6570\u636e\u9a71\u52a8\u65b9\u6cd5\u7684\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n<p>\u6211\u4eec\u5c06\u4f7f\u7528Visual Studio Code\u521b\u5efa\u4e00\u4e2a\u9879\u76ee\u3002<\/p>\n<ol>\n<li>\u6253\u5f00<strong>Visual Studio\u4ee3\u7801<\/strong>\u3002<\/li>\n<li>\u5728macOS\u4e0a\u6309<strong>Command + Shift + P<\/strong>\u6216\u5728Windows\u6216Linux\u4e0a<strong>\u6309Ctrl + Shift + P<\/strong>\uff0c\u7136\u540e\u952e\u5165<strong>create project<\/strong>\u3002\u9009\u62e9<strong>SFDX\uff1a\u521b\u5efa\u9879\u76ee<\/strong>\uff0c\u7136\u540e\u6309<strong>Enter<\/strong>\u3002<\/li>\n<li>\u4fdd\u7559\u9ed8\u8ba4\u7684\u9879\u76ee\u7c7b\u578b\u9009\u62e9<strong>Standard<\/strong>\uff0c\u7136\u540e\u6309<strong>Enter<\/strong>\u3002<\/li>\n<li>\u8f93\u5165<strong>Trailhead<\/strong>\u4f5c\u4e3a\u9879\u76ee\u540d\u79f0\uff0c\u7136\u540e\u6309<strong>Enter<\/strong>\u3002<\/li>\n<li>\u5728\u60a8\u7684\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u9009\u62e9\u5c06\u8981\u5b58\u50a8\u9879\u76ee\u7684\u76ee\u5f55\u3002\u5355\u51fb<strong>\u521b\u5efa\u9879\u76ee<\/strong>\u3002<\/li>\n<\/ol>\n<p>\u5927\uff01\u60a8\u5df2\u7ecf\u521b\u5efa\u4e86\u7b2c\u4e00\u4e2a\u7528\u4e8e\u4f7f\u7528Lightning Web Components\u7684Salesforce DX\u9879\u76ee\u3002Visual Studio Code\u5c06\u81ea\u52a8\u4e3a\u60a8\u6253\u5f00\u65b0\u9879\u76ee\u3002<\/p>\n<div class=\"ph\">\u6388\u6743\u60a8\u7684\u5f00\u53d1\u4e2d\u5fc3<\/div>\n<p>\u4e0b\u4e00\u6b65\u662f\u5bf9\u5f00\u53d1\u4e2d\u5fc3\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002\u5982\u679c\u60a8\u4f7f\u7528\u7684\u662fTrailhead Playground\uff0c\u5219\u53ef\u4ee5\u5728\u201c\u00a0\u83b7\u53d6Trailhead Playground\u7528\u6237\u540d\u548c\u5bc6\u7801\u201d\u4e2d\u4e86\u89e3\u5982\u4f55\u83b7\u53d6\u4e0b\u4e00\u6b65\u7684\u51ed\u636e\u3002<\/p>\n<ol>\n<li>\u5728<strong>Visual Studio Code\u4e2d<\/strong>\uff0c\u5728macOS\u4e0a\u6309<strong>Command + Shift + P<\/strong>\uff0c\u5728Windows\u6216Linux\u4e0a<strong>\u6309Ctrl + Shift +P<\/strong>\u3002<\/li>\n<li>\u952e\u5165<strong>sfdx<\/strong>\u3002<\/li>\n<li>\u9009\u62e9<strong>SFDX\uff1a\u6388\u6743\u5f00\u53d1\u4e2d\u5fc3<\/strong>\u3002<\/li>\n<li>\u4f7f\u7528\u60a8\u7684Dev Hub\u7ec4\u7ec7\u51ed\u636e\u767b\u5f55\u3002<\/li>\n<li>\u70b9\u51fb<strong>\u5141\u8bb8<\/strong>\u3002<br \/>\n<img decoding=\"async\" class=\"image image-block image-center\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/set-up-your-lightning-web-components-developer-tools\/create-a-lightning-web-component\/images\/0a413d6a08a362b88f8ea2c2fb02a8d9_cjqp-9-fdcc-00-br-0-zda-2-jz-1-iud-4.png\" alt=\"Dev Hub\u8ba4\u8bc1\u5c4f\u5e55\" \/><\/li>\n<li>\u5728\u6d4f\u89c8\u5668\u4e2d\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u4e4b\u540e\uff0cCLI\u4f1a\u8bb0\u4f4f\u60a8\u7684Dev Hub\u51ed\u636e\u3002\u6210\u529f\u6d88\u606f\u5e94\u5982\u4e0b\u6240\u793a\uff1a \u00a0\u00a0<img decoding=\"async\" class=\"image image-block image-center\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/set-up-your-lightning-web-components-developer-tools\/create-a-lightning-web-component\/images\/08290fb62094a15006288805bf42fd54_cjqp-9-tp-3-m-00-c-50-zdahi-99-wvhm.png\" alt=\"\u6388\u6743\u5f00\u53d1\u4eba\u5458\u4e2d\u5fc3\u7684\u6210\u529f\u6d88\u606f\" \/><\/li>\n<\/ol>\n<p>\u9a8c\u8bc1Dev Hub\u662f\u521b\u5efa\u4e34\u65f6\u7ec4\u7ec7\u7684\u5148\u51b3\u6761\u4ef6\uff0c\u8fd9\u662f\u5728Salesforce\u5e73\u53f0\u4e0a\u8fdb\u884c\u5f00\u53d1\u7684\u4e34\u65f6\u73af\u5883\u3002\u6211\u4eec\u5728\u4e0b\u4e00\u6b65\u4e2d\u521b\u5efa\u4e00\u4e2a\u3002<\/p>\n<div class=\"ph\">\u521b\u5efa\u4e00\u4e2a\u4e34\u65f6\u7ec4\u7ec7<\/div>\n<ol>\n<li>\u5728Visual Studio Code\u4e2d\uff0c\u5728macOS\u4e0a\u6309<strong>Command + Shift + P<\/strong>\uff0c\u5728Windows\u6216Linux\u4e0a<strong>\u6309Ctrl + Shift +P<\/strong>\u3002<\/li>\n<li>\u952e\u5165<strong>sfdx<\/strong>\u3002<\/li>\n<li>\u9009\u62e9<strong>SFDX\uff1a\u521b\u5efa\u4e00\u4e2a\u9ed8\u8ba4\u6682\u5b58\u7ec4\u7ec7&#8230;<\/strong>\u3002<\/li>\n<li>\u6309<strong>Enter<\/strong>\u63a5\u53d7\u9ed8\u8ba4\u503c<code>project-scratch-def.json<\/code>\u3002<\/li>\n<li>\u6309<strong>Enter<\/strong>\u63a5\u53d7\u9ed8\u8ba4\u7684<code>trailhead<\/code>\u4e34\u65f6\u7ec4\u7ec7\u522b\u540d\u3002<\/li>\n<li>\u6309<strong>Enter<\/strong>\u63a5\u53d7\u9ed8\u8ba4\u7684<code>7 days<\/code>\u4e34\u65f6\u7ec4\u7ec7\u5de5\u671f\u3002<\/li>\n<li>\u8bf7\u8010\u5fc3\u7b49\u5f85\uff0c\u521b\u5efa\u4e34\u65f6\u7ec4\u7ec7\u53ef\u80fd\u9700\u8981\u4e00\u5206\u949f\u3002\u5728VS Code\u7684\u8f93\u51fa\u9762\u677f\u4e2d\uff0c\u6210\u529f\u6d88\u606f\u5e94\u5982\u4e0b\u6240\u793a\uff1a<\/li>\n<\/ol>\n<div>\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token number\">17<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">18<\/span><span class=\"token operator\">:<\/span><span class=\"token number\">11.779<\/span> sfdx force<span class=\"token operator\">:<\/span>org<span class=\"token operator\">:<\/span>create <span class=\"token operator\">-<\/span>f config\\project<span class=\"token operator\">-<\/span>scratch<span class=\"token operator\">-<\/span>def<span class=\"token punctuation\">.<\/span>json <span class=\"token operator\">--<\/span>setalias trailhead <span class=\"token operator\">--<\/span>durationdays <span class=\"token number\">7<\/span> <span class=\"token operator\">--<\/span>setdefaultusername <span class=\"token operator\">--<\/span>json <span class=\"token operator\">--<\/span>loglevel fatal ended <span class=\"token keyword\">with<\/span> <span class=\"token namespace\">exit<\/span> code <span class=\"token number\">0<\/span><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u51c6\u5907\u597d\u5f00\u53d1\u7b2c\u4e00\u4e2aLightning Web\u7ec4\u4ef6\u3002\u5982\u679c\u60a8\u60f3\u4e86\u89e3\u6709\u5173Salesforce DX\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u67e5\u770b\u4f7f\u7528Salesforce DX\u8fdb\u884c\u00a0\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u3002<\/p>\n<div class=\"ph\">\u521b\u5efa\u4e00\u4e2a\u95ea\u7535Web\u7ec4\u4ef6<\/div>\n<p>\u521b\u5efaLightning Web\u7ec4\u4ef6\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8fc7\u7a0b\u3002\u800c\u4e14Salesforce CLI\u5df2\u7ecf\u521b\u5efa\u4e86\u4e00\u4e2a\u9879\u76ee\u7ed3\u6784\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u66f4\u8f7b\u677e\u5730\u4e0a\u624b\u3002<\/p>\n<p>\u6587\u4ef6\u5939\u7ed3\u6784\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<p><img decoding=\"async\" class=\"image image-block image-center\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/set-up-your-lightning-web-components-developer-tools\/create-a-lightning-web-component\/images\/e6b5789dc473176eb798cf809df5e419_folder-structure.png\" alt=\"Visual Studio Code\u4e2dSalesforce DX\u9879\u76ee\u7684\u6587\u4ef6\u6d4f\u89c8\u5668\u89c6\u56fe\uff0c\u663e\u793a\u4e86\u5305\u62ec.sfdx\uff0c.vscode\uff0cconfig\u548cforce-app\u7684\u5b50\u76ee\u5f55\u3002\" \/><\/p>\n<p>\u6211\u4eec\u521b\u5efa\u7684\u9879\u76ee\u6709\u4e00\u4e2a\u7279\u6b8a\u7684\u6587\u4ef6\u5939<code>force-app\/main\/default<\/code>\u3002\u6b64\u6587\u4ef6\u5939\u79f0\u4e3a\u5305\u76ee\u5f55\uff0c\u5305\u542b\u5f53\u524dSalesforce DX\u9879\u76ee\u7684\u6240\u6709\u5143\u6570\u636e\u3002\u7531\u4e8eLightning Web\u7ec4\u4ef6\u4e5f\u662f\u5143\u6570\u636e\uff0c\u56e0\u6b64\u5b83\u4eec\u5b58\u50a8\u5728\u540d\u4e3a\u7684\u5b50\u6587\u4ef6\u5939\u4e2d<code>lwc<\/code>\u3002\u5728\u4e0b\u4e00\u6b65\u4e2d\uff0c\u6211\u4eec\u5c06Lightning Web\u7ec4\u4ef6\u6dfb\u52a0\u5230\u6b64\u6587\u4ef6\u5939\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\"><a id=\"note\" class=\"anchor\" href=\"https:\/\/trailhead.salesforce.com\/content\/learn\/projects\/set-up-your-lightning-web-components-developer-tools\/create-a-lightning-web-component?trail_id=build-lightning-web-components#note\" aria-hidden=\"true\"><\/a>\u6ce8\u610f<\/h4>\n<div class=\"message-media-content\">\n<p>\u6587\u4ef6<code>lwc<\/code>\u5939\u4e2d\u8fd8\u6709\u4e24\u4e2a\u6587\u4ef6\uff0c.eslintrc\u548cjsconfig.json\u00a0\u3002\u6211\u4eec\u5c06\u5728\u672c\u9879\u76ee\u7684\u540e\u9762\u63a2\u8ba8\u5b83\u4eec\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u6211\u4eec\u53ef\u4ee5\u50cf\u521b\u5efaSalesforce DX\u9879\u76ee\u4e00\u6837\u4f7f\u7528Visual Studio Code\u521b\u5efaLightning Web\u7ec4\u4ef6\u3002\u6216\u8005\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528Salesforce CLI\u3002<\/p>\n<ol>\n<li>\u6253\u5f00<strong>Visual Studio\u4ee3\u7801<\/strong>\u3002<\/li>\n<li>\u5728macOS\u4e0a\u6309<strong>Command + Shift + P<\/strong>\u6216\u5728Windows\u6216Linux\u4e0a<strong>\u6309Ctrl + Shift + P<\/strong>\uff0c\u7136\u540e\u952e\u5165<strong>focus terminal\u3002<\/strong>\u6309<strong>Enter\u952e<\/strong>\u3002<\/li>\n<li>\u8f93\u5165<code>sfdx force:lightning:component:create -n myFirstWebComponent -d force-app\/main\/default\/lwc --type lwc<\/code>\uff0c\u7136\u540e\u6309<strong>Enter<\/strong>\u786e\u8ba4\u3002<\/li>\n<\/ol>\n<p>\u8fd9\u5c06\u4e3a\u60a8\u7684\u7b2c\u4e00\u4e2aLightning Web\u7ec4\u4ef6\u521b\u5efa\u6240\u9700\u7684\u6587\u4ef6\u3002<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"image image-block image-center\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/set-up-your-lightning-web-components-developer-tools\/create-a-lightning-web-component\/images\/32ebca72ee72284fe107df72a9786cd1_cjqp-9-fdci-00-bv-0-zda-3709-xydc.png\" alt=\"\u5177\u6709\u6269\u5c55\u7684Lightning Web\u7ec4\u4ef6\u6587\u4ef6\u5939\u7684\u5143\u6570\u636e\u76ee\u5f55\u7ed3\u6784\" width=\"259\" height=\"202\" \/><\/p>\n<p>\u8fd9\u4e9b\u662f\u60a8\u5728\u547d\u4ee4\u4e2d\u4f7f\u7528\u7684\u53c2\u6570\u3002<\/p>\n<ul>\n<li>-n-\u5b9a\u4e49Lightning Web\u7ec4\u4ef6\u6587\u4ef6\u5939\u53ca\u5176\u6587\u4ef6\u7684\u540d\u79f0\u3002<\/li>\n<li>-d-\u8fd9\u5b9a\u4e49\u4e86\u5e94\u5728\u5176\u4e2d\u521b\u5efaLightning Web\u7ec4\u4ef6\u7684\u76ee\u6807\u76ee\u5f55\u3002\u76ee\u6807\u76ee\u5f55\u5fc5\u987b\u547d\u540d<code>lwc<\/code><\/li>\n<li>&#8211;type-\u8fd9\u6307\u5b9a\u60a8\u8981\u521b\u5efaLightning Web\u7ec4\u4ef6\u3002<\/li>\n<\/ul>\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\"><a id=\"note-1\" class=\"anchor\" href=\"https:\/\/trailhead.salesforce.com\/content\/learn\/projects\/set-up-your-lightning-web-components-developer-tools\/create-a-lightning-web-component?trail_id=build-lightning-web-components#note-1\" aria-hidden=\"true\"><\/a>\u6ce8\u610f<\/h4>\n<div class=\"message-media-content\">\n<p>\u5982\u60a8\u6240\u6599\uff0c\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u5f88\u5bb9\u6613\u4f7f\u7528Salesforce CLI\u3002\u5982\u679c\u8981\u4e3a\u6b64\u4f7f\u7528Visual Studio Code\uff0c\u8bf7\u53f3\u952e\u5355\u51fb\u8be5<code>lwc<\/code>\u6587\u4ef6\u5939\u6216\u5728Visual Studio Code\u4e2d\u6253\u5f00\u201c\u547d\u4ee4\u9762\u677f\u201d\u3002\u4e24\u8005\u90fd\u63d0\u4f9b\u4e86<strong>SFDX<\/strong>\u9009\u9879<strong>\uff1aCreate Lightning Web Component<\/strong>\uff0c\u7136\u540e\u8c03\u7528Salesforce CLI\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ph\">\u5c06\u4ee3\u7801\u548c\u5143\u6570\u636e\u6dfb\u52a0\u5230\u7b2c\u4e00\u4e2aLightning Web\u7ec4\u4ef6<\/div>\n<p>\u73b0\u5728\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b\u6784\u6210Lightning Web\u7ec4\u4ef6\u7684\u6587\u4ef6\u3002\u4e3a\u6b64\uff0c\u6211\u4eec\u5c06\u590d\u5236\u5e76\u7c98\u8d34\u6211\u4eec\u5df2\u7ecf\u4e3a\u60a8\u51c6\u5907\u7684\u4e00\u4e9bHTML\uff0cJavaScript\u548cXML\u3002\u6211\u4eec\u4ecemyFirstWebComponent.js-meta.xml\u6587\u4ef6\u5f00\u59cb\u3002<\/p>\n<ol>\n<li>\u6253\u5f00\u65b0\u7684\u5b50\u6587\u4ef6\u5939<strong>myFirstWebComponent<\/strong>\uff0c\u6211\u4eec\u53ea\u662f\u5728LWC\u5b50\u6587\u4ef6\u5939\u4e2d\u521b\u5efa<\/li>\n<li>\u5355\u51fb<strong>myFirstWebComponent.js-meta.xml<\/strong>\u3002<\/li>\n<li>\u7528\u4ee5\u4e0bXML\u6807\u8bb0\u66ff\u6362XML\u6587\u4ef6\u7684\u5185\u5bb9\uff1a\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><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>\u5728macOS\u4e0a\u6309<strong>CMD + S<\/strong>\uff0c\u5728Windows\u6216Linux\u4e0a\u6309<strong>CTRL + S<\/strong>\u6765\u4fdd\u5b58\u6587\u4ef6\u3002<\/li>\n<\/ol>\n<p>\u60a8\u521a\u521a\u66f4\u65b0\u7684\u6587\u4ef6\u662f\u5143\u6570\u636e\u5b9a\u4e49\u6587\u4ef6\u3002\u5b83\u5305\u542b\u51e0\u4e2a\u914d\u7f6e\u5143\u7d20\uff0c\u8fd9\u4e9b\u5143\u7d20\u63a7\u5236\u4f8b\u5982\u4f7f\u7528Lightning App Builder\uff08\u76ee\u6807\uff09\u5c06\u5176\u6dfb\u52a0\u5230Salesforce\u7528\u6237\u754c\u9762\u7684\u4f4d\u7f6e\u3002\u60a8\u53ef\u4ee5\u5728\u6587\u6863\u4e2d\u9605\u8bfb\u6709\u5173\u5143\u6570\u636e\u914d\u7f6e\u9009\u9879\u7684\u66f4\u591a\u4fe1\u606f\u00a0\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u66f4\u65b0Lightning Web\u7ec4\u4ef6\u7684JavaScript\u6587\u4ef6\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\"><a id=\"note-2\" class=\"anchor\" href=\"https:\/\/trailhead.salesforce.com\/content\/learn\/projects\/set-up-your-lightning-web-components-developer-tools\/create-a-lightning-web-component?trail_id=build-lightning-web-components#note-2\" aria-hidden=\"true\"><\/a>\u6ce8\u610f<\/h4>\n<div class=\"message-media-content\">\n<p>\u60a8\u5c06\u8981\u590d\u5236\u548c\u7c98\u8d34\u7684JavaScript\u4ee3\u7801\u548cHTML\u6807\u8bb0\u5185\u7f6e\u4e86\u4e00\u4e9b\u9519\u8bef\u3002\u56e0\u6b64\uff0c\u4e0d\u5fc5\u62c5\u5fc3\u770b\u5230\u7684\u7ea2\u8272\u6ce2\u6d6a\u7ebf\u3002\u5728\u672c\u9879\u76ee\u7684\u540e\u9762\uff0c\u60a8\u5c06\u7ed3\u5408\u4f7f\u7528Visual Studio Code\u548cSalesforce Lightning Web\u7ec4\u4ef6\u6269\u5c55\u529f\u80fd\u6765\u89e3\u51b3\u9519\u8bef\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<ol>\n<li>\u5728Visual Studio\u4ee3\u7801\u4e2d\uff0c\u5355\u51fb<strong>myFirstWebComponent.js<\/strong>\u3002<\/li>\n<li>\u7528\u4ee5\u4e0b\u4ee3\u7801\u66ff\u6362\u6587\u4ef6\u7684\u5185\u5bb9\uff1a\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\">HelloIteration<\/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\">@track<\/span>\n    contacts <span class=\"token operator\">=<\/span> <span class=\"token punctuation\">[<\/span>\n        <span class=\"token punctuation\">{<\/span>\n            <span class=\"token class-name\">Id<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span>\n            <span class=\"token class-name\">Name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">'Amy Taylor'<\/span><span class=\"token punctuation\">,<\/span>\n            <span class=\"token class-name\">Title<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">'VP of Engineering'<\/span><span class=\"token punctuation\">,<\/span>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\n        <span class=\"token punctuation\">{<\/span>\n            <span class=\"token class-name\">Id<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span>\n            <span class=\"token class-name\">Name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">'Michael Jones'<\/span><span class=\"token punctuation\">,<\/span>\n            <span class=\"token class-name\">Title<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">'VP of Sales'<\/span><span class=\"token punctuation\">,<\/span>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\n        <span class=\"token punctuation\">{<\/span>\n            <span class=\"token class-name\">Id<\/span><span class=\"token operator\">:<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span>\n            <span class=\"token class-name\">Name<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">'Jennifer Wu'<\/span><span class=\"token punctuation\">,<\/span>\n            <span class=\"token class-name\">Title<\/span><span class=\"token operator\">:<\/span> <span class=\"token string\">'CEO'<\/span><span class=\"token punctuation\">,<\/span>\n        <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span>\n    <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<\/li>\n<li>\u5728macOS\u4e0a\u6309<strong>CMD + S<\/strong>\uff0c\u5728Windows\u6216Linux\u4e0a\u6309<strong>CTRL + S\u00a0<\/strong>\u6765\u4fdd\u5b58\u6587\u4ef6\u3002<\/li>\n<\/ol>\n<p>\u4fdd\u5b58\u6587\u4ef6\u540e\uff0c\u60a8\u4f1a\u7acb\u5373\u6ce8\u610f\u5230\u4e00\u4e9b\u4e8b\u60c5\u3002<\/p>\n<ul>\n<li>\u5e26\u6ce8\u91ca\u7684\u5355\u8bcd<code>@track<\/code>\u5728\u7ea2\u8272\u6ce2\u6d6a\u7ebf\u4e0b\u5212\u7ebf\u3002<\/li>\n<li>\u8d44\u6e90\u7ba1\u7406\u5668\u4e2d\u7684JavaScript\u6587\u4ef6\u989c\u8272\u53d8\u4e3a\u7ea2\u8272\uff0c\u5e76\u4e14\u65c1\u8fb9\u67092\u3002<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"image image-block image-center\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/set-up-your-lightning-web-components-developer-tools\/create-a-lightning-web-component\/images\/e13cf4360dbb30b4ac1d129224a1cc08_cjqp-9-fdcj-00-bw-0-zda-2-cl-3-wrgi.png\" alt=\"\u6253\u5f00JavaScript\u6587\u4ef6\uff0c\u7a81\u51fa\u663e\u793a\u9519\u8bef\" width=\"624\" height=\"281\" \/><\/p>\n<p>\u4e24\u8005\u90fd\u8868\u660eJavaScript\u4ee3\u7801\u4e2d\u7684\u67d0\u4e9b\u5185\u5bb9\u4e0d\u6b63\u786e\u3002\u4f5c\u4e3a\u4e00\u540d\u4f18\u79c0\u7684\u5f00\u53d1\u4eba\u5458\uff0c\u60a8\u901a\u5e38\u4f1a\u7acb\u5373\u5bf9\u5176\u8fdb\u884c\u4fee\u590d\u3002\u4f46\u662f\u73b0\u5728\u60a8\u53ef\u4ee5\u5ffd\u7565\u8fd9\u4e9b\u95ee\u9898\u3002\u800c\u662f\u5c06HTML\u6807\u8bb0\u6dfb\u52a0\u5230Web\u7ec4\u4ef6\u6a21\u677f\u6587\u4ef6\u3002<\/p>\n<ol>\n<li>\u5728Visual Studio\u4ee3\u7801\u4e2d\uff0c\u5355\u51fb<strong>myFirstWebComponent.html<\/strong>\u3002<\/li>\n<li>\u5c06\u6b64\u6807\u8bb0\u63d2\u5165\u73b0\u6709<code>&lt;template&gt;&lt;\/template&gt;<\/code>\u6807\u7b7e\u4e2d\uff1a\n<div class=\"code-toolbar\">\n<pre class=\"line-numbers language-java\"><code class=\"language-java\"><span class=\"token operator\">&lt;<\/span>lightning<span class=\"token operator\">-<\/span>card title<span class=\"token operator\">=<\/span><span class=\"token string\">\"ContactInformation\"<\/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 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><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\">\"contact\"<\/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 punctuation\">{<\/span>contact<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Name<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>contact<span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Title<\/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>\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><\/code><\/pre>\n<div class=\"toolbar\">\n<div class=\"toolbar-item\"><\/div>\n<\/div>\n<\/div>\n<\/li>\n<li>\u5728macOS\u4e0a\u6309<strong>CMD + S<\/strong>\uff0c\u5728Windows\u6216Linux\u4e0a\u6309<strong>CTRL + S<\/strong>\u6765\u4fdd\u5b58\u6587\u4ef6\u3002<\/li>\n<\/ol>\n<p>\u540c\u6837\uff0c\u60a8\u4f1a\u770b\u5230\u4e00\u4e2a\u6307\u793a\uff0c\u8868\u660eHTML\u6807\u8bb0\u4e2d\u7684\u67d0\u4e9b\u5185\u5bb9\u4e0d\u662f\u5e94\u8be5\u7684\u3002<\/p>\n<p><img decoding=\"async\" class=\"image image-block image-center\" src=\"https:\/\/res.cloudinary.com\/hy4kyit2a\/f_auto,fl_lossy,q_70\/learn\/projects\/set-up-your-lightning-web-components-developer-tools\/create-a-lightning-web-component\/images\/843edae35d4995bc2af618479b66b064_cjqp-9-fdck-00-bx-0-zda-81-gzfzna.png\" alt=\"HTML\u6a21\u677f\u6587\u4ef6\u6253\u5f00\uff0c\u5e76\u5728\u7b2c4\u884c\u7a81\u51fa\u663e\u793a\u9519\u8bef\" width=\"563\" height=\"215\" 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href=\"http:\/\/www.ponybai.com\/?p=3200\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u8bbe\u7f6e\u60a8\u7684Lightning Web Components\u5f00\u53d1\u4eba\u5458\u5de5\u5177 &#8211; \u521b\u5efa\u4e00\u4e2a\u95ea\u7535Web\u7ec4\u4ef6<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":3204,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[135],"tags":[],"class_list":["post-3200","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lightning-web-components"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u8bbe\u7f6e\u60a8\u7684Lightning Web Components\u5f00\u53d1\u4eba\u5458\u5de5\u5177 - \u521b\u5efa\u4e00\u4e2a\u95ea\u7535Web\u7ec4\u4ef6 - \u767d\u767d\u968f\u7b14<\/title>\n<meta name=\"robots\" content=\"index, follow, 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