{"id":4337,"date":"2024-03-23T14:30:13","date_gmt":"2024-03-23T06:30:13","guid":{"rendered":"http:\/\/www.ponybai.com\/?p=4337"},"modified":"2023-12-17T14:43:31","modified_gmt":"2023-12-17T06:43:31","slug":"lwc%e6%a6%82%e8%bf%b0","status":"publish","type":"post","link":"http:\/\/www.ponybai.com\/?p=4337","title":{"rendered":"LWC\u6982\u8ff0"},"content":{"rendered":"\n<p>\u9002\u7528\u4e8e VS Code \u7684 Lightning Web \u7ec4\u4ef6\u6269\u5c55\u5229\u7528\u7f16\u8f91\u5668\u7684\u5185\u7f6e\u4ee3\u7801\u5bfc\u822a\u548c\u8bed\u8a00\u529f\u80fd\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u9ad8\u6548\u5730\u6784\u5efa Lightning Web \u7ec4\u4ef6\u3002<\/p>\n\n\n\n<p>\u5229\u7528\u4ee5\u4e0b\u9002\u7528\u4e8e VS Code \u7684 Lightning Web \u7ec4\u4ef6\u6269\u5c55\u529f\u80fd\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ee3\u7801\u8865\u5168<\/li>\n\n\n\n<li>Linting<\/li>\n\n\n\n<li>\u67e5\u770b\u6709\u5173\u60ac\u505c\u7684\u6587\u6863<\/li>\n\n\n\n<li>\u4ee3\u7801\u5bfc\u822a<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"code-completion\">\u4ee3\u7801\u8865\u5168<\/h2>\n\n\n\n<p>Lightning Web \u7ec4\u4ef6\u6269\u5c55\u57fa\u4e8e VS Code \u7684\u00a0HTML\u00a0\u548c\u00a0JavaScript\u00a0\u8bed\u8a00\u529f\u80fd\u6784\u5efa\uff0c\u5305\u62ec\u8bed\u6cd5\u7a81\u51fa\u663e\u793a\u3001\u62ec\u53f7\u5339\u914d\u4ee5\u53ca\u4f7f\u7528 IntelliSense \u5b8c\u6210\u7279\u5b9a\u4e8e\u8bed\u8a00\u7684\u4ee3\u7801\u3002\u8be5\u6269\u5c55\u4e3a\u4ee5\u4e0b Lightning Web \u7ec4\u4ef6\u8d44\u6e90\u63d0\u4f9b\u4ee3\u7801\u5b8c\u6210\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"code-snippets\">\u4ee3\u7801\u7247\u6bb5<\/h2>\n\n\n\n<p>\u4ee3\u7801\u7247\u6bb5\u53ef\u7528\u4e8e\u57fa\u67b6\u7c7b\u548c\u63a5\u53e3\u5b9a\u4e49\uff0c\u4ee5\u53ca\u5404\u79cd\u8bed\u53e5\uff08\u5982\u5faa\u73af\u548c\u6761\u4ef6\u8bed\u53e5\u7b49\uff09\u3002\u5728\u5904\u7406 LWC HTML \u6587\u4ef6\u65f6\uff0c\u8bf7\u4ece\u547d\u4ee4\u9762\u677f\u8fd0\u884c\u4ee5\u67e5\u770b\u53ef\u7528\u4ee3\u7801\u6bb5\u3002\u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7\u952e\u5165\u7ec4\u4ef6\u540d\u79f0\uff08\u4f8b\u5982\uff0c\uff09\u3002<code>Insert Snippet<\/code><code>accordion<\/code><\/p>\n\n\n\n<p>\u4ee5\u4e0b\u5b58\u50a8\u5e93\u4e2d\u63d0\u4f9b\u4e86\u7528\u4e8e Salesforce \u5f00\u53d1\u7684\u5f00\u7bb1\u5373\u7528\u4ee3\u7801\u6bb5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Apex \u4ee3\u7801\u7247\u6bb5<\/li>\n\n\n\n<li>\u7528\u4e8e LWC \u5f00\u53d1\u7684 HTML \u4ee3\u7801\u7247\u6bb5<\/li>\n\n\n\n<li>\u7528\u4e8e LWC \u5f00\u53d1\u7684 JavaScript \u4ee3\u7801\u7247\u6bb5<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"salesforce-scoped-modules\"><code>@salesforce<\/code>\u4f5c\u7528\u57df\u6a21\u5757<\/h3>\n\n\n\n<p>Lightning \u7ec4\u4ef6\u901a\u8fc7\u4f5c\u7528\u57df\u6a21\u5757\u8bbf\u95ee Salesforce \u503c\u3002Lightning Web \u7ec4\u4ef6\u6269\u5c55\u4e3a\u4ee5\u4e0b\u4f5c\u7528\u57df\u6a21\u5757\u63d0\u4f9b\u4ee3\u7801\u5b8c\u6210\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>@salesforce\/resourceUrl<\/code><\/li>\n\n\n\n<li><code>@salesforce\/contentAssetUrl<\/code><\/li>\n\n\n\n<li><code>@salesforce\/apex<\/code><\/li>\n\n\n\n<li><code>@salesforce\/user<\/code><\/li>\n<\/ul>\n\n\n\n<p>\u8981\u4e86\u89e3\u6709\u5173\u6a21\u5757\u7684\u66f4\u591a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u300a<em>Lightning Web \u7ec4\u4ef6\u5f00\u53d1\u4eba\u5458\u6307\u5357<\/em>\u300b\u4e2d\u7684<code>@salesforce<\/code>\u6a21\u5757\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<code>@salesforce<\/code><\/p>\n\n\n\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0cVS Code \u663e\u793a\u5b8c\u6210\u8bed\u53e5\u65f6\u53ef\u4f9b\u9009\u62e9\u7684\u53ef\u80fd\u9759\u6001\u8d44\u6e90\u540d\u79f0\u3002<code>import<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"527\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_staticresource_trailhead-1024x527.png\" alt=\"\" class=\"wp-image-4339\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_staticresource_trailhead-1024x527.png 1024w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_staticresource_trailhead-300x154.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_staticresource_trailhead-768x395.png 768w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_staticresource_trailhead.png 1093w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4e0b\u9762\u662f \u7684\u4ee3\u7801\u5b8c\u6210\u3002<code>@salesforce\/schema<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"412\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_schema-1024x412.png\" alt=\"\" class=\"wp-image-4340\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_schema-1024x412.png 1024w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_schema-300x121.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_schema-768x309.png 768w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_schema.png 1092w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u4e0b\u9762\u662f Apex \u63a7\u5236\u5668\u7684\u4ee3\u7801\u5b8c\u6210\u793a\u4f8b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"625\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_apex-1024x625.png\" alt=\"\" class=\"wp-image-4341\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_apex-1024x625.png 1024w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_apex-300x183.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_apex-768x469.png 768w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_apex.png 1044w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"lightning-api\">\u95ea\u7535 API<\/h3>\n\n\n\n<p>VS Code \u8fd8\u5b8c\u5584\u4e86 Lightning API \u8d44\u6e90\uff0c\u4f8b\u5982 \u548c .\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605<em>\u300a\u7167\u660e Web \u7ec4\u4ef6\u5f00\u53d1\u4eba\u5458\u6307\u5357<\/em>\u300b\u4e2d\u7684\u00a0<code>lightning\/ui*Api<\/code>\u00a0Wire\u548c\u529f\u80fd\u3002<code>lightning\/uiRecordApilightning\/uiObjectInfoApi<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"454\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_lightningui-1024x454.png\" alt=\"\" class=\"wp-image-4342\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_lightningui-1024x454.png 1024w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_lightningui-300x133.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_lightningui-768x340.png 768w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_lightningui.png 1079w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"lightning-web-components-syntax\">Lightning Web \u7ec4\u4ef6\u8bed\u6cd5<\/h3>\n\n\n\n<p>VS Code \u5b8c\u5584\u4e86 Lightning Web Components \u6846\u67b6\u7684\u53cd\u5e94\u5f0f\u5c5e\u6027\u548c\u8fde\u7ebf\u670d\u52a1\u3002\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u300a<em>Lightning Web \u7ec4\u4ef6\u5f00\u53d1\u4eba\u5458\u6307\u5357<\/em>\u300b\u4e2d\u7684\u53cd\u5e94\u6027\u5c5e\u6027\u548c\u4f7f\u7528\u7ebf\u8def\u670d\u52a1\u83b7\u53d6\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u5728\u88c5\u9970\u5668\u4e2d\u5305\u542b Apex \u51fd\u6570\u7684\u4ee3\u7801\u5b8c\u6210\u793a\u4f8b\u3002<code>getContactList<\/code><code>@wire<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"989\" height=\"610\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_wire.png\" alt=\"\" class=\"wp-image-4343\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_wire.png 989w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_wire-300x185.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_wire-768x474.png 768w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_wire-825x510.png 825w\" sizes=\"(max-width: 989px) 100vw, 989px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"namespace-completion-in-html-attributes-and-tags\">HTML \u5c5e\u6027\u548c\u6807\u8bb0\u4e2d\u7684\u547d\u540d\u7a7a\u95f4\u8865\u5168<\/h3>\n\n\n\n<p>\u8fd8\u4e3a \u548c \u547d\u540d\u7a7a\u95f4\u4e2d\u7ec4\u4ef6\u7684 HTML \u6807\u8bb0\u548c\u5c5e\u6027\u63d0\u4f9b\u4e86\u4ee3\u7801\u5b8c\u6210\u529f\u80fd\u3002\u5728\u8fd9\u91cc\uff0cVS Code \u4f7f\u7528 \uff0c\u5b8c\u6210\u5176\u5c5e\u6027\u3002<code>lightning<\/code><code>c<\/code><code>c-view-source<\/code><code>source<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"362\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_html_attr.png\" alt=\"\" class=\"wp-image-4344\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_html_attr.png 800w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_html_attr-300x136.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_html_attr-768x348.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"view-documentation-on-hover\">\u67e5\u770b\u6709\u5173\u60ac\u505c\u7684\u6587\u6863<\/h2>\n\n\n\n<p>\u5f53\u60a8\u5c06\u9f20\u6807\u60ac\u505c\u5728\u547d\u540d\u7a7a\u95f4\u4e2d\u7684\u6807\u51c6 Lightning Web \u7ec4\u4ef6\u4e0a\u65f6\uff0cVS Code \u4f1a\u663e\u793a\u6587\u6863\uff0c\u5982\u679c\u60a8\u4e3a\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u63d0\u4f9b\u6587\u6863\uff0c\u5219\u4f1a\u663e\u793a\u547d\u540d\u7a7a\u95f4\u3002\u4ee5\u4e0b\u662f\u663e\u793a\u7684\u6587\u6863\u3002\u8be5\u4e0b\u62c9\u5217\u8868\u8fd8\u63d0\u4f9b\u4e86\u4e00\u4e2a\u94fe\u63a5\uff0c\u7528\u4e8e\u5728\u7ec4\u4ef6\u5e93\u4e2d\u67e5\u770b\u7ec4\u4ef6\u3002<code>lightning<\/code><code>c<\/code><code>lightning-layout<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"425\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_hover.png\" alt=\"\" class=\"wp-image-4345\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_hover.png 800w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_hover-300x159.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_hover-768x408.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"linting\">Linting<\/h2>\n\n\n\n<p>Linting \u4f1a\u5728\u60a8\u7f16\u8f91\u65f6\u63d0\u4f9b\u6709\u5173\u683c\u5f0f\u9519\u8bef\u6216\u5916\u89c2\u53ef\u7591\u7684\u4ee3\u7801\u7684\u9519\u8bef\u3002 VS Code \u5f3a\u5236\u6267\u884c Salesforce \u7684 ESLint \u89c4\u5219\u3002\u8981\u6fc0\u6d3b ESLint\uff0c\u8bf7\u4ece\u547d\u4ee4\u884c\u5b89\u88c5\u5b83\u3002\u6709\u5173\u8bf4\u660e\uff0c\u8bf7\u53c2\u9605 Lightning Web \u7ec4\u4ef6 ESLint\u00a0\u63d2\u4ef6\u548c Lightning Web \u7ec4\u4ef6 ESLint\u00a0\u914d\u7f6e\u5b58\u50a8\u5e93\u3002<\/p>\n\n\n\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u5f53\u5c06\u9f20\u6807\u60ac\u505c\u5728 \u4e0a\u65f6\uff0clinter \u4f1a\u62a5\u544a\u60a8\u4e0d\u80fd\u547d\u540d\u4ee5\u201con\u201d\u5f00\u5934\u7684 API \u5c5e\u6027\u3002<code>onpress<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"433\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_linting_press-1024x433.png\" alt=\"\" class=\"wp-image-4346\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_linting_press-1024x433.png 1024w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_linting_press-300x127.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_linting_press-768x324.png 768w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_linting_press.png 1077w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"peek-problem-and-quick-fix\">\u7aa5\u89c6\u95ee\u9898\u548c\u5feb\u901f\u4fee\u590d<\/h3>\n\n\n\n<p>VS Code \u5177\u6709\u4e00\u7cfb\u5217\u64cd\u4f5c\u6765\u5feb\u901f\u89e3\u51b3\u95ee\u9898\u548c\u91cd\u6784\u4ee3\u7801\uff0c\u5305\u62ec\u5feb\u901f\u4fee\u590d\u548c\u901f\u89c8\u95ee\u9898\u3002\u82e5\u8981\u4e86\u89e3\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 VS Code \u6587\u6863\u4e2d\u7684\u91cd\u6784\u3002<\/p>\n\n\n\n<p>\u5355\u51fb\u9519\u8bef\u6d88\u606f\u4e0a\u7684<strong>\u201c\u67e5\u770b\u95ee\u9898<\/strong>\u201d\u5c06\u7a81\u51fa\u663e\u793a linter \u53d1\u73b0\u9519\u8bef\u7684\u884c\u3002\u5982\u679c\u90ae\u4ef6\u663e\u793a\u5b58\u5728\u591a\u4e2a\u9519\u8bef\uff0c\u8bf7\u5355\u51fb\u90ae\u4ef6\u53f3\u4e0a\u89d2\u7684\u5411\u4e0b\u7bad\u5934\u4ee5\u67e5\u770b\u5176\u4ed6\u9519\u8bef\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"341\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_peek-1024x341.png\" alt=\"\" class=\"wp-image-4347\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_peek-1024x341.png 1024w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_peek-300x100.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_peek-768x256.png 768w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_peek-1536x512.png 1536w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_peek-2048x683.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5355\u51fb<strong>\u201c\u5feb\u901f\u4fee\u590d<\/strong>\u201d\u53ef\u63d0\u4f9b\u7528\u4e8e\u7981\u7528\u884c\u6216\u6587\u4ef6\u4e2d\u6709\u6548 API \u540d\u79f0\u8b66\u544a\u7684\u9009\u9879\uff0c\u4ee5\u53ca\u6307\u5411\u6587\u6863\u7684\u94fe\u63a5\u3002\u60a8\u53ef\u4ee5\u901a\u8fc7\u5355\u51fb\u65c1\u8fb9\u7684\u9ec4\u8272\u706f\u6ce1\u56fe\u6807\u6765\u67e5\u770b\u8fd9\u4e9b\u76f8\u540c\u7684\u9009\u9879\u3002<code>@api onpress;<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"523\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_quickfix-1024x523.png\" alt=\"\" class=\"wp-image-4348\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_quickfix-1024x523.png 1024w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_quickfix-300x153.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_quickfix-768x392.png 768w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_quickfix.png 1068w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"errors-and-warnings\">\u9519\u8bef\u548c\u8b66\u544a<\/h3>\n\n\n\n<p>\u60ac\u505c\u65f6\u663e\u793a\u6587\u4ef6\u548c\u7f16\u8bd1\u5668\u9519\u8bef\u3002\u5728\u8fd9\u91cc\uff0c\u5f53\u9f20\u6807\u60ac\u505c\u5728\u4e0a\u9762\u65f6\uff0c\u9519\u8bef\u6d88\u606f\u8bf4\u5fc5\u987b\u58f0\u660e\u5b83\u3002<code>@track<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"297\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_track-1024x297.png\" alt=\"\" class=\"wp-image-4349\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_track-1024x297.png 1024w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_track-300x87.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_track-768x223.png 768w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_track.png 1428w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"code-navigation\">\u4ee3\u7801\u5bfc\u822a<\/h2>\n\n\n\n<p>VS Code \u63d0\u4f9b\u4e86\u9884\u89c8\u6216\u8df3\u8f6c\u5230\u4ee3\u7801\u4e2d\u5b9a\u4e49\u7684\u5feb\u6377\u65b9\u5f0f\uff0c\u800c\u4e0d\u4f1a\u4e22\u5931\u5f53\u524d\u6b63\u5728\u5904\u7406\u7684\u4ee3\u7801\u3002\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 VS Code \u6587\u6863\u7684\u201c\u4ee3\u7801\u5bfc\u822a\u201d\u90e8\u5206\u3002<\/p>\n\n\n\n<p>\u82e5\u8981\u9884\u89c8\u5b9a\u4e49\uff0c\u8bf7\u6309\u4f4f&nbsp;<strong>Ctrl<\/strong>\uff08Windows \u6216 Linux\uff09\u6216&nbsp;<strong>Command<\/strong>&nbsp;\uff08macOS\uff09\uff0c\u7136\u540e\u5c06\u9f20\u6807\u60ac\u505c\u5728\u8981\u67e5\u770b\u5176\u5b9a\u4e49\u7684\u9879\u76ee\u4e0a\u3002\u6b64\u793a\u4f8b\u663e\u793a\u547d\u540d\u7a7a\u95f4\u7ec4\u4ef6\u6e90\u7684\u9884\u89c8\u3002<code>c<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"983\" height=\"623\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_commandhover.png\" alt=\"\" class=\"wp-image-4350\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_commandhover.png 983w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_commandhover-300x190.png 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/vscode_lwc_commandhover-768x487.png 768w\" sizes=\"(max-width: 983px) 100vw, 983px\" \/><\/figure>\n\n\n\n<p>\u82e5\u8981\u67e5\u770b\u5b9a\u4e49\uff0c\u8bf7\u53f3\u952e\u5355\u51fb\u8be5\u9879\u5e76\u9009\u62e9<strong>\u201c\u901f\u89c8\u5b9a\u4e49<\/strong>\u201d\uff0c\u6216\u6309&nbsp;<strong>Alt+F12<\/strong>\u3002<\/p>\n\n\n\n<p>\u82e5\u8981\u8df3\u8f6c\u5230\u5b9a\u4e49\u7684\u4f4d\u7f6e\uff0c\u8bf7\u53f3\u952e\u5355\u51fb\u8be5\u9879\uff0c\u7136\u540e\u9009\u62e9\u201c<strong>\u8f6c\u5230\u5b9a\u4e49<\/strong>\u201d\uff0c\u6216\u6309&nbsp;<strong>F12<\/strong>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"supporting-js-metaxml\">\u652f\u6301 js-meta.xml<\/h2>\n\n\n\n<p>VS Code \u901a\u8fc7\u96c6\u6210\u7ea2\u5e3d\u5bf9 js-meta.xml \u7684 XML VSCode \u6269\u5c55\u6765\u63d0\u4f9b IntelliSense \u652f\u6301\u3002\u5b83\u652f\u6301\u6269\u5c55\u5f00\u7bb1\u5373\u7528\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u4f46\u4e0d\u9650\u4e8e\u81ea\u52a8\u5efa\u8bae\u3001\u8bed\u6cd5\u9519\u8bef\u62a5\u544a\u3001\u91cd\u547d\u540d\u652f\u6301\u3001\u81ea\u52a8\u4ee3\u7801\u751f\u6210\u7b49\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5feb\u901f\u542f\u52a8 LWC \u5f00\u53d1<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"overview\">\u6982\u8ff0<\/h2>\n\n\n\n<p>\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a LWC \u7684\u7ec4\u4ef6\uff0c\u7528\u4e8e\u5728\u5e94\u7528\u4e2d\u663e\u793a\u8054\u7cfb\u4eba\u59d3\u540d\u548c\u7535\u8bdd\u53f7\u7801\u3002\u60a8\u5c06\u4ece\u540d\u4e3a \u7684 Apex \u7c7b\u4e2d\u83b7\u53d6\u8981\u663e\u793a\u7684\u8054\u7cfb\u4fe1\u606f\u3002<code>contactList<\/code><code>ContactController<\/code><\/p>\n\n\n\n<p>\u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u8bf7\u5b89\u88c5\u00a0Salesforce Extensions for Desktop\u00a0\u6216\u00a0Set Up Code Builder<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"add-an-apex-class-that-queries-contacts\">\u6dfb\u52a0\u67e5\u8be2\u8054\u7cfb\u4eba\u7684 Apex \u7c7b<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728 VS Code \u4e2d\uff0c\u8fd0\u884c\u547d\u4ee4&nbsp;<strong>SFDX\uff1a<\/strong>\u4ece\u547d\u4ee4\u9762\u677f\u521b\u5efa\u9879\u76ee\u4ee5\u521b\u5efa Salesforce DX \u9879\u76ee\uff08\u5982\u679c\u6ca1\u6709\uff09\u3002<\/li>\n\n\n\n<li>\u767b\u5f55\u5230\u8981\u6dfb\u52a0 LWC \u7684\u7ec4\u7ec7\u3002<\/li>\n\n\n\n<li>\u4ece\u547d\u4ee4\u9762\u677f\u8fd0\u884c&nbsp;<strong>SFDX\uff1a Refresh SObject Definitions \u547d\u4ee4\uff0c\u4ee5\u83b7\u53d6 SObjects<\/strong>&nbsp;\u76f8\u5173\u4ee3\u7801\u7684\u5b8c\u6210\u5efa\u8bae\u3002<\/li>\n\n\n\n<li>\u4ece\u547d\u4ee4\u9762\u677f\u4e2d\uff0c\u8fd0\u884c&nbsp;<strong>SFDX\uff1a Create Apex Class<\/strong>&nbsp;\u5e76\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a .<code>ContactController<\/code><\/li>\n<\/ol>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u6dfb\u52a0\u4e00\u4e2a\u8c03\u7528\u5230\u6b64\u7c7b\u7684\u65b9\u6cd5\u3002\u4f7f\u6b64\u65b9\u6cd5\u65e2\u662f\u516c\u5171\u7684\uff0c\u53c8\u662f\u9759\u6001\u7684\u3002\u56e0\u4e3a\u5b83\u662f\u4e00\u4e2a\u9759\u6001\u65b9\u6cd5\uff0c\u6240\u4ee5\u4f60\u4e0d\u9700\u8981\u521b\u5efa\u7c7b\u7684\u5b9e\u4f8b\u6765\u8bbf\u95ee\u8be5\u65b9\u6cd5\uff0c\u4f60\u53ea\u9700\u4f7f\u7528\u7c7b\u7684\u540d\u79f0\uff0c\u540e\u8ddf\u70b9 \uff08\uff09 \u548c\u65b9\u6cd5\u7684\u540d\u79f0\u3002\u6b64\u65b9\u6cd5\u67e5\u8be2\u8054\u7cfb\u4eba\u5bf9\u8c61\u4e0a\u7684\u4e00\u7ec4\u5b57\u6bb5\u3002\u5c06\u6b64\u4ee3\u7801\u7c98\u8d34\u5230\uff1a<code>getContacts<\/code><code>.<\/code><code>ContactController.cls<\/code><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public with sharing class ContactController {\n    @AuraEnabled(cacheable=true)\n    public static List&lt;Contact&gt; getContacts() {\n        return &#91;\nSELECT\nId,\nName,\nEmail,\nPhone\nFROM Contact\nWITH SECURITY_ENFORCED\nLIMIT 10\n];\n    }\n}\n\n<\/code><\/pre>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6dfb\u52a0\u663e\u793a\u67e5\u8be2\u5b57\u6bb5\u7684 LWC \u7ec4\u4ef6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"create-an-lwc-component-that-displays-contact-information\">\u521b\u5efa\u663e\u793a\u8054\u7cfb\u4eba\u4fe1\u606f\u7684 LWC \u7ec4\u4ef6<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4ece\u547d\u4ee4\u9762\u677f\u4e2d\uff0c\u8fd0\u884c&nbsp;<strong>SFDX\uff1a\u521b\u5efa Lightning Web<\/strong>&nbsp;\u7ec4\u4ef6\uff0c\u5e76\u521b\u5efa\u5728\u9ed8\u8ba4\u4f4d\u7f6e\u8c03\u7528\u7684\u7ec4\u4ef6\u3002<code>contactList<\/code><\/li>\n\n\n\n<li>\u5728\u6587\u4ef6\u4e2d\uff0c\u526a\u5207\u5e76\u7c98\u8d34\u4ee5\u4e0b\u4ee3\u7801\uff0c\u7136\u540e\u4fdd\u5b58\u6587\u4ef6\uff1a<code>contactList.html<\/code><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;template&gt;\n    &lt;lightning-card title=\"Contact List\"&gt;\n        &lt;template if:true={contacts.data}&gt;\n            &lt;template for:each={contacts.data} for:item=\"contact\"&gt;\n                &lt;div class=\"slds-var-p-horizontal_medium\" key={contact.Id}&gt;\n                    &lt;p&gt;{contact.Name}, {contact.Phone}&lt;\/p&gt;\n                &lt;\/div&gt;\n            &lt;\/template&gt;\n        &lt;\/template&gt;\n        &lt;template if:true={contacts.error}&gt;\n            &lt;p&gt;{contacts.error}&lt;\/p&gt;\n        &lt;\/template&gt;\n    &lt;\/lightning-card&gt;\n&lt;\/template&gt;\n\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728\u6587\u4ef6\u4e2d\uff0c\u526a\u5207\u5e76\u7c98\u8d34\u4ee5\u4e0b\u4ee3\u7801\u5e76\u4fdd\u5b58\uff1a<code>contactList.js<\/code><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>import { LightningElement, wire } from 'lwc';\nimport getContacts from '@salesforce\/apex\/ContactController.getContacts';\n\nexport default class ContactList extends LightningElement {\n    @wire(getContacts) contacts;\n}\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c06\u4ee5\u4e0b\u4ee3\u7801\u526a\u5207\u5e76\u7c98\u8d34\u5230\u6587\u4ef6\u4e2d\u5e76\u4fdd\u5b58\uff1a<code>contactList.js-meta.xml<\/code><\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?&gt;\n&lt;LightningComponentBundle xmlns=\"http:\/\/soap.sforce.com\/2006\/04\/metadata\"&gt;\n \t&lt;apiVersion&gt;57.0&lt;\/apiVersion&gt;\n \t&lt;isExposed&gt;true&lt;\/isExposed&gt;\n \t&lt;targets&gt;\n\n   \t\t&lt;target&gt;lightning__HomePage&lt;\/target&gt;\n \t&lt;\/targets&gt;\n&lt;\/LightningComponentBundle&gt;\n\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u53f3\u952e\u5355\u51fb\u201c<strong>SFDX\uff1a\u5c06\u6e90\u90e8\u7f72\u5230\u7ec4\u7ec7\u201d<\/strong>\u4e0b\u7684\u9ed8\u8ba4\u6587\u4ef6\u5939\uff0c\u7136\u540e\u8fd0\u884c\u201c\u5c06\u6e90\u90e8\u7f72\u5230\u7ec4\u7ec7\u201d\u3002<code>force-app\/main<\/code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"add-the-new-component-to-your-app-in-lightning-experience\">\u5728 Lightning Experience \u4e2d\u5c06\u65b0\u7ec4\u4ef6\u6dfb\u52a0\u5230\u60a8\u7684\u5e94\u7528\u7a0b\u5e8f<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728 Visual Studio Code \u4e2d\uff0c\u6253\u5f00\u547d\u4ee4\u9762\u677f\u5e76\u8fd0\u884c&nbsp;<strong>SFDX\uff1a Open Default Org<\/strong>\u3002 \u8fd9\u5c06\u5728\u5355\u72ec\u7684\u6d4f\u89c8\u5668\u4e2d\u6253\u5f00\u60a8\u7684\u7ec4\u7ec7\u3002<\/li>\n\n\n\n<li>\u5728<strong>\u5e94\u7528\u542f\u52a8\u5668<\/strong>\u4e2d\uff0c\u627e\u5230\u5e76\u9009\u62e9<strong>\u9500\u552e<\/strong>\u3002<\/li>\n\n\n\n<li>\u70b9\u51fb<strong>\u8bbe\u7f6e<\/strong>\u9f7f\u8f6e\uff0c\u7136\u540e\u9009\u62e9<strong>\u7f16\u8f91\u9875\u9762<\/strong>\u3002<\/li>\n\n\n\n<li>\u5c06 Lightning Web \u7ec4\u4ef6\u4ece\u201cLightning \u7ec4\u4ef6\u201d\u5217\u8868\u7684\u201c\u81ea\u5b9a\u4e49\u201d\u533a\u57df\u62d6\u52a8\u5230\u201c\u9875\u9762\u753b\u5e03\u201d\u7684\u9876\u90e8\u3002<code>contactList<\/code><\/li>\n\n\n\n<li>\u70b9\u51fb<strong>\u4fdd\u5b58<\/strong>\u3002<\/li>\n\n\n\n<li>\u5355\u51fb<strong>\u201c\u6fc0\u6d3b<\/strong>\u201d\u3002<\/li>\n\n\n\n<li>\u5355\u51fb&nbsp;<strong>Assign as Org Default\uff08\u5206\u914d\u4e3a\u7ec4\u7ec7\u9ed8\u8ba4\u503c<\/strong>\uff09\u3002<\/li>\n\n\n\n<li>\u70b9\u51fb<strong>\u4fdd\u5b58<\/strong>\u3002<\/li>\n\n\n\n<li>\u518d\u6b21\u5355\u51fb\u201c<strong>\u4fdd\u5b58<\/strong>\u201d\uff0c\u7136\u540e\u5355\u51fb<strong>\u201c\u540e\u9000<\/strong>\u201d\u7bad\u5934\u8fd4\u56de\u9875\u9762\u3002<\/li>\n\n\n\n<li>\u5237\u65b0\u9875\u9762\u4ee5\u67e5\u770b\u65b0\u7ec4\u4ef6\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u6d4b\u8bd5 Lightning Web \u7ec4\u4ef6<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5185\u5bb9<\/h3>\n\n\n\n<ul class=\"wp-block-list\" id=\"contents-list\">\n<li>\u63a2\u7d22\u60a8\u7684 LWC \u6d4b\u8bd5<\/li>\n\n\n\n<li>\u4e3a Jest \u6d4b\u8bd5\u6dfb\u52a0\u8c03\u8bd5\u914d\u7f6e<\/li>\n\n\n\n<li>\u5728\u6587\u4ef6\u5185\u8fd0\u884c\u3001\u8c03\u8bd5\u6216\u89c2\u770b Jest \u6d4b\u8bd5<\/li>\n<\/ul>\n\n\n\n<p>\u5b89\u88c5\u00a0<code>sfdx-lwc-jest<\/code>\uff0c\u4ee5\u4fbf\u51c6\u5907\u597d Lightning Web \u7ec4\u4ef6\u7684 Jest \u6d4b\u8bd5\u8fd0\u884c\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"explore-your-lwc-tests\">\u63a2\u7d22\u60a8\u7684 LWC \u6d4b\u8bd5<\/h2>\n\n\n\n<p>LWC \u6d4b\u8bd5\u8fb9\u680f\u63d0\u4f9b\u4e86\u4e00\u4e2a\u4e2d\u5fc3\u4f4d\u7f6e\uff0c\u4f9b\u4f60\u5bf9\u4f60\u7f16\u5199\u7684\u4ee3\u7801\u8fd0\u884c\u6d4b\u8bd5\u3002\u53ef\u4ee5\u8fd0\u884c\u4e00\u4e2a\u6d4b\u8bd5\u7528\u4f8b\u3001\u4e00\u4e2a\u6587\u4ef6\u4e2d\u7684\u6d4b\u8bd5\u7528\u4f8b\u6216\u6240\u6709\u6d4b\u8bd5\u3002\u60a8\u8fd8\u53ef\u4ee5\u67e5\u770b\u4e0a\u6b21\u6d4b\u8bd5\u8fd0\u884c\u7684\u7ed3\u679c\uff0c\u5e76\u76f4\u63a5\u4ece\u6d4b\u8bd5\u5bfc\u822a\u5230\u76f8\u5e94\u7684\u4ee3\u7801\u884c\u3002\u8981\u8bbf\u95ee\u6d4b\u8bd5\u4fa7\u8fb9\u680f\uff0c\u8bf7\u5355\u51fb\u89c6\u56fe\u680f\u4e2d\u7684\u70e7\u676f\u56fe\u6807\uff08\u60ac\u505c\u6587\u672c\uff1a\u6d4b\u8bd5\uff09\u3002\u5982\u679c\u672a\u770b\u5230\u6b64\u56fe\u6807\uff0c\u8bf7\u786e\u4fdd\u5728 VS Code \u4e2d\u6253\u5f00\u7684\u9879\u76ee\u5728\u5176\u6839\u76ee\u5f55\u4e2d\u5305\u542b sfdx-project.json \u6587\u4ef6\u3002<\/p>\n\n\n\n<p>\u82e5\u8981\u8fd0\u884c\u9009\u5b9a\u7684\u6d4b\u8bd5\uff0c\u8bf7\u5c06\u9f20\u6807\u60ac\u505c\u5728\u6d4b\u8bd5\u7528\u4f8b\u6216\u6587\u4ef6\u7684\u540d\u79f0\u4e0a\uff0c\u4ee5\u663e\u793a LWC \u6d4b\u8bd5\u89c6\u56fe\u4e2d\u7684\u64ad\u653e\u56fe\u6807\u3002\u5355\u51fb\u64ad\u653e\u56fe\u6807\uff08\u60ac\u505c\u6587\u672c\uff1aSFDX\uff1a\u8fd0\u884c Lightning Web \u7ec4\u4ef6\u6d4b\u8bd5\u7528\u4f8b\uff0cSFDX\uff1a\u8fd0\u884c Lightning Web \u7ec4\u4ef6\u6d4b\u8bd5\u6587\u4ef6\uff09\u4ee5\u8fd0\u884c\u6d4b\u8bd5\u7528\u4f8b\u6216\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u6d4b\u8bd5\u7528\u4f8b\u3002\u8981\u8fd0\u884c\u89c6\u56fe\u4e2d\u7684\u6240\u6709\u6d4b\u8bd5\uff0c\u8bf7\u5355\u51fb LWC \u6d4b\u8bd5\u89c6\u56fe\u9876\u90e8\u8f83\u5927\u7684\u64ad\u653e\u56fe\u6807\uff08\u60ac\u505c\u6587\u672c\uff1aSFDX\uff1a\u8fd0\u884c\u6240\u6709 Lightning Web \u7ec4\u4ef6\u6d4b\u8bd5\uff09\u3002<\/p>\n\n\n\n<p>\u6d4b\u8bd5\u7ed3\u679c\u8bb0\u5f55\u5982\u4e0b\uff1a\u7eff\u8272\u8868\u793a\u901a\u8fc7\u6d4b\u8bd5\uff0c\u7ea2\u8272\u8868\u793a\u6d4b\u8bd5\u5931\u8d25\uff0c\u6a59\u8272\u8868\u793a\u8df3\u8fc7\u6d4b\u8bd5\u3002<\/p>\n\n\n\n<p>\u82e5\u8981\u8df3\u8f6c\u5230\u6d4b\u8bd5\u6587\u4ef6\u6216\u6d4b\u8bd5\u7528\u4f8b\uff0c\u8bf7\u70b9\u6309\u8fb9\u680f\u4e2d\u7684\u6d4b\u8bd5\u540d\u79f0\u3002<\/p>\n\n\n\n<p>\u8981\u6e05\u9664\u6d4b\u8bd5\u7ed3\u679c\uff0c\u8bf7\u5355\u51fb\u8fb9\u680f\u9876\u90e8\u7684\u5237\u65b0\u56fe\u6807\uff08\u60ac\u505c\u6587\u672c\uff1aSFDX\uff1a\u5237\u65b0 Lightning Web \u7ec4\u4ef6\u6d4b\u8bd5\u8d44\u6e90\u7ba1\u7406\u5668\uff09\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"add-debug-configuration-for-jest-tests\">\u4e3a Jest \u6d4b\u8bd5\u6dfb\u52a0\u8c03\u8bd5\u914d\u7f6e<\/h2>\n\n\n\n<p>\u6dfb\u52a0 Jest Tests \u8c03\u8bd5\u914d\u7f6e\u4ee5\u81ea\u52a8\u66f4\u65b0 \u3002\u4f5c\u4e3a\u5148\u51b3\u6761\u4ef6\uff0c\u5fc5\u987b\u5b89\u88c5\u00a0node.js\u00a0\u548c\u00a0npm\u3002<code>launch.json<\/code><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong><em>\u6ce8\u610f\uff1a<\/em><\/strong>\u5982\u679c\u60a8\u4ece\u7a7a\u9879\u76ee\u5f00\u59cb\uff0c\u8bf7\u5148\u5b89\u88c5\u00a0sfdx-lwc-jest\uff0c\u7136\u540e\u4f7f\u7528\u6240\u8ff0\u6b65\u9aa4\u6dfb\u52a0\u6d4b\u8bd5\u914d\u7f6e\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>\u8981\u5feb\u901f\u5c06 Jest Tests \u914d\u7f6e\u6dfb\u52a0\u5230\u60a8\u7684\u6807\u51c6\u9879\u76ee\u4e2d\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8f6c\u5230\u6d3b\u52a8\u680f\u4e2d\u7684\u201c<strong>\u8fd0\u884c\u548c\u8c03\u8bd5<\/strong>\u201d\u3002<\/li>\n\n\n\n<li>\u4ece\u4e0b\u62c9\u5217\u8868\u4e2d\u9009\u62e9<strong>\u201c\u6dfb\u52a0\u914d\u7f6e<\/strong>\u201d\u3002<\/li>\n\n\n\n<li>\u9009\u62e9&nbsp;<strong>Debug\uff1a LWC Jest Tests<\/strong>\u3002<\/li>\n\n\n\n<li>\u4fdd\u5b58\u66f4\u65b0\u540e\u7684 .<code>launch.json<\/code><\/li>\n\n\n\n<li>\u4ece\u201c\u8fd0\u884c\u201d\u89c6\u56fe\u7684<strong>\u201c\u914d\u7f6e\u201d\u4e0b\u62c9\u5217\u8868<\/strong>\u4e2d\u9009\u62e9\u201c<strong>\u8c03\u8bd5\uff1aLWC Jest \u6d4b\u8bd5<\/strong>\u201d\u914d\u7f6e\uff0c\u7136\u540e\u5f00\u59cb\u8c03\u8bd5\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"run-debug-or-watch-jest-tests-from-within-a-file\">\u5728\u6587\u4ef6\u5185\u8fd0\u884c\u3001\u8c03\u8bd5\u6216\u89c2\u770b Jest \u6d4b\u8bd5<\/h2>\n\n\n\n<p>\u4f60\u53ef\u4ee5\u5728\u6587\u4ef6\u4e2d\u7684\u4e0a\u4e0b\u6587\u64cd\u4f5c\u4e2d\u8fd0\u884c\u6216\u8c03\u8bd5 Jest \u5355\u5143\u6d4b\u8bd5\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5355\u51fb\u7f16\u8f91\u5668\u7a97\u53e3\u53f3\u4e0a\u89d2\u83dc\u5355\u680f\u4e2d\u7684\u6309\u94ae\u6765\u8fd0\u884c\u6216\u8c03\u8bd5 Jest \u5355\u5143\u6d4b\u8bd5\u3002\u5728\u201c\u7ec8\u7aef\u201d\u9762\u677f\u4e2d\u67e5\u770b\u6d4b\u8bd5\u7ed3\u679c\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"run-jest-tests\">\u8fd0\u884c Jest \u6d4b\u8bd5<\/h4>\n\n\n\n<p>\u8981\u8fd0\u884c\u5355\u4e2a Jest \u6d4b\u8bd5\u7528\u4f8b\uff0c\u8bf7\u5bfc\u822a\u5230\u8be5\u6587\u4ef6\uff0c\u7136\u540e\u5355\u51fb Jest \u6d4b\u8bd5\u7528\u4f8b\u5b9a\u4e49\u4e0a\u65b9\u7684&nbsp;<strong>Run Test<\/strong>\u3002<code>.test.js<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"558\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/lwc_test_run-1024x558.gif\" alt=\"\" class=\"wp-image-4351\" srcset=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/lwc_test_run-1024x558.gif 1024w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/lwc_test_run-300x163.gif 300w, http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/lwc_test_run-768x418.gif 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u8981\u8fd0\u884c Jest \u6d4b\u8bd5\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u6d4b\u8bd5\u7528\u4f8b\uff0c\u8bf7\u5355\u51fb\u7f16\u8f91\u5668\u7a97\u53e3\u53f3\u4e0a\u89d2\u83dc\u5355\u680f\u4e0a\u7684\u64ad\u653e\u56fe\u6807\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"debug-jest-tests\">\u8c03\u8bd5 Jest \u6d4b\u8bd5<\/h4>\n\n\n\n<p>\u8981\u8c03\u8bd5\u5355\u4e2a Jest \u6d4b\u8bd5\u7528\u4f8b\uff0c\u8bf7\u5bfc\u822a\u5230\u8be5\u6587\u4ef6\uff0c\u7136\u540e\u5355\u51fb Jest \u6d4b\u8bd5\u7528\u4f8b\u5b9a\u4e49\u4e0a\u65b9\u7684&nbsp;<strong>Debug Test<\/strong>\u3002<code>.test.js<\/code><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1440\" height=\"679\" src=\"http:\/\/www.ponybai.com\/wp-content\/uploads\/2023\/12\/lwc_test_debug.gif\" alt=\"\" class=\"wp-image-4352\"\/><\/figure>\n\n\n\n<p>\u8981\u8c03\u8bd5 Jest \u6d4b\u8bd5\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u6d4b\u8bd5\u7528\u4f8b\uff0c\u8bf7\u5355\u51fb\u7f16\u8f91\u5668\u7a97\u53e3\u53f3\u4e0a\u89d2\u83dc\u5355\u680f\u4e0a\u7684\u8c03\u8bd5\u56fe\u6807\u3002<\/p>\n\n\n\n<p>\u5c06\u542f\u52a8 VS Code \u7684\u5185\u7f6e\u8c03\u8bd5\u5668\uff0c\u4ee5\u4fbf\u5728 VS Code \u4e2d\u8c03\u8bd5\u6d4b\u8bd5\u3002\u60a8\u53ef\u4ee5\u8bbe\u7f6e\u65ad\u70b9\uff0c\u901a\u8fc7\u8c03\u8bd5\u64cd\u4f5c\u63a7\u5236\u8c03\u8bd5\u4f1a\u8bdd\uff0c\u6216\u4f7f\u7528\u8c03\u8bd5\u63a7\u5236\u53f0\u6765\u8ba1\u7b97\u8868\u8fbe\u5f0f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"watch-jest-tests\">\u89c2\u770b Jest \u6d4b\u8bd5<\/h4>\n\n\n\n<p>\u8981\u89c2\u770b Jest \u6d4b\u8bd5\u6587\u4ef6\uff0c\u8bf7\u5355\u51fb\u7f16\u8f91\u5668\u7a97\u53e3\u53f3\u4e0a\u89d2\u83dc\u5355\u680f\u4e0a\u7684\u773c\u775b\u56fe\u6807\u3002\u5207\u6362\u56fe\u6807\u4ee5\u505c\u6b62\u89c2\u770b\u3002\u5728\u89c2\u770b Jest \u6d4b\u8bd5\u6587\u4ef6\u65f6\uff0c\u5982\u679c\u60a8\u7f16\u8f91 Jest \u6d4b\u8bd5\u6587\u4ef6\u6216 Jest \u6d4b\u8bd5\u6587\u4ef6\u6b63\u5728\u6d4b\u8bd5\u7684 LWC JavaScript \u6587\u4ef6\uff0c\u5219\u6d4b\u8bd5\u6587\u4ef6\u5c06\u91cd\u65b0\u8fd0\u884c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Linting<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5185\u5bb9<\/h3>\n\n\n\n<ul class=\"wp-block-list\" id=\"contents-list\">\n<li>\u5148\u51b3\u6761\u4ef6<\/li>\n\n\n\n<li>\u5b89\u88c5<\/li>\n\n\n\n<li>\u914d\u7f6e Linting \u89c4\u5219<\/li>\n\n\n\n<li>\u6dfb\u52a0\u5176\u4ed6\u811a\u672c<\/li>\n\n\n\n<li>\u53e6\u89c1<\/li>\n<\/ul>\n\n\n\n<p>Linting \u5728\u7f16\u8f91\u65f6\u63d0\u4f9b\u6709\u5173\u683c\u5f0f\u9519\u8bef\u7684\u4ee3\u7801\u7684\u9519\u8bef\u3002 VS Code \u5f3a\u5236\u6267\u884c Salesforce \u7684 ESLint \u89c4\u5219\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"prerequisites\">\u5148\u51b3\u6761\u4ef6<\/h2>\n\n\n\n<p>\u4f7f\u7528 SSL \u652f\u6301\u6784\u5efa\u7684 Node.js\u00a0\u7684\u6d3b\u52a8 LTS \u7248\u672c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"installation\">\u5b89\u88c5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"for-a-new-project\">\u5bf9\u4e8e\u65b0\u9879\u76ee<\/h3>\n\n\n\n<p>\u5982\u679c\u4f7f\u7528\u8be5\u547d\u4ee4\u521b\u5efa SFDX \u9879\u76ee\uff0c\u5219\u60a8\u7684\u9879\u76ee\u5c06\u5305\u542b\u4e00\u4e2a\u5df2\u5305\u542b ESLint \u63d2\u4ef6\u7684\u6587\u4ef6\u3002<code>sfdx force:project:create<\/code><code>package.json<\/code><\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8981\u5b89\u88c5 ESLint \u63d2\u4ef6\u548c\u5176\u4ed6\u4f9d\u8d56\u9879\uff0c\u8bf7\u5728\u9879\u76ee\u76ee\u5f55\u4e2d\u8fd0\u884c\u3002<code>npm install<\/code><\/li>\n\n\n\n<li>\u914d\u7f6e\u00a0ESLint \u63d2\u4ef6\u89c4\u5219\uff08\u53ef\u9009\uff09\u3002<\/li>\n\n\n\n<li>\u82e5\u8981\u8fd0\u884c linting\uff0c\u9879\u76ee\u4e2d\u5fc5\u987b\u6709\u7ec4\u4ef6\u3002\u8981\u5f00\u59cb linting\uff0c\u8bf7\u8fd0\u884c \u3002<code>npm run lint:lwc<\/code><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"for-an-existing-project\">\u5bf9\u4e8e\u73b0\u6709\u9879\u76ee<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9a8c\u8bc1\u60a8\u7684\u9879\u76ee\u662f\u5426\u5177\u6709\u8fd9\u4e9b\u914d\u7f6e\u3002\u5982\u679c\u60a8\u6ca1\u6709\u914d\u7f6e\uff0c\u8bf7\u8fd0\u884c .<code>package.json<\/code><code>package.json<\/code><code>npm install eslint @salesforce\/eslint-config-lwc --save-dev<\/code><code> \"scripts\": { \"lint\": \"npm run lint:lwc\", \"lint:lwc\": \"eslint force-app\/main\/default\/lwc\" } 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