{"id":39528,"date":"2023-03-27T05:15:43","date_gmt":"2023-12-05T13:42:08","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8angular%e4%b8%ad%ef%bc%8c%e5%8f%af%e4%bb%a5%e9%80%9a%e8%bf%87%e5%b1%9e%e6%80%a7%e6%8c%87%e4%bb%a4%e6%b3%a8%e5%86%8c%e4%ba%8b%e4%bb%b6%e5%a4%84%e7%90%86%e7%a8%8b%e5%ba%8f%e3%80%82\/"},"modified":"2024-04-29T20:42:44","modified_gmt":"2024-04-29T12:42:44","slug":"%e5%9c%a8angular%e4%b8%ad%ef%bc%8c%e5%8f%af%e4%bb%a5%e9%80%9a%e8%bf%87%e5%b1%9e%e6%80%a7%e6%8c%87%e4%bb%a4%e6%b3%a8%e5%86%8c%e4%ba%8b%e4%bb%b6%e5%a4%84%e7%90%86%e7%a8%8b%e5%ba%8f%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8angular%e4%b8%ad%ef%bc%8c%e5%8f%af%e4%bb%a5%e9%80%9a%e8%bf%87%e5%b1%9e%e6%80%a7%e6%8c%87%e4%bb%a4%e6%b3%a8%e5%86%8c%e4%ba%8b%e4%bb%b6%e5%a4%84%e7%90%86%e7%a8%8b%e5%ba%8f%e3%80%82\/","title":{"rendered":"\u5728Angular\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c5e\u6027\u6307\u4ee4\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f"},"content":{"rendered":"<h1>\u9996\u5148<\/h1>\n<p>\u5728\u5c5e\u6027\u6307\u4ee4\u4e2d\uff0c\u53ef\u4ee5\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0\u6b64\u65b9\u6cd5\u3002<\/p>\n<h1>\u6700\u65b0\u6d88\u606f<\/h1>\n<h2>2021\u5e741\u67089\u65e5<\/h2>\n<ul class=\"post-ul\">\u8a18\u4e8b\u5185\u3067\u6271\u3063\u305f\u30b3\u30fc\u30c9\u3092 Angular v11.0.5 \u3067\u78ba\u8a8d\u3057\u307e\u3057\u305f<\/ul>\n<h1>\u5de5\u4f5c\u73af\u5883<\/h1>\n<div>\n<div class=\"post-table\">\u74b0\u5883\u30d0\u30fc\u30b8\u30e7\u30f3\u5099\u8003<a href=\"https:\/\/cli.angular.io\/\" target=\"_blank\" rel=\"nofollow noopener\">Angular CLI<\/a><del>v6.0.0<\/del> v11.0.5<code>$ ng --version<\/code><a href=\"https:\/\/angular.io\/\" target=\"_blank\" rel=\"nofollow noopener\">Angular<\/a><del>v6.0.0<\/del> v11.0.5\u540c\u4e0a<a href=\"https:\/\/www.typescriptlang.org\/\" target=\"_blank\" rel=\"nofollow noopener\">TypeScript<\/a>v4.0.2\u540c\u4e0a<a href=\"https:\/\/nodejs.org\/ja\/\" target=\"_blank\" rel=\"nofollow noopener\">Node.js<\/a><del>v9.2.1<\/del> v12.18.3<code>$ node --version<\/code><a href=\"https:\/\/www.npmjs.com\/\" target=\"_blank\" rel=\"nofollow noopener\">npm<\/a><del>v6.1.0<\/del> v6.14.6<code>$ npm --version<\/code><\/div>\n<\/div>\n<details>ng\u7248\u672c\u7684\u7ed3\u679c<br \/>\n$ ng\u7248\u672c_ _ ____ _ ___<br \/>\n\/ \\ _ __ __ _ _ _| | __ _ _ __ \/ ___| | |_ _|<br \/>\n\/ \u25b3 \\ | &#8216;_ \\ \/ _` | | | | |\/ _` | &#8216;__| | | | | | |<br \/>\n\/ ___ \\| | | | (_| | |_| | | (_| | | | |___| |___ | |<br \/>\n\/_\/ \\_\\_| |_|\\__, |\\__,_|_|\\__,_|_| \\____|_____|___|<br \/>\n|___\/<\/p>\n<p>Angular CLI: 11.0.5<br \/>\nNode: 12.18.3<br \/>\nOS: darwin x64<\/p>\n<p>Angular: 11.0.5<br \/>\n&#8230; \u52a8\u753b, \u547d\u4ee4\u884c\u754c\u9762, \u5e38\u7528\u6a21\u5757, \u7f16\u8bd1\u5668, \u7f16\u8bd1\u5668CLI, \u6838\u5fc3, \u8868\u5355<br \/>\n&#8230; \u5e73\u53f0\u6d4f\u89c8\u5668, \u5e73\u53f0\u52a8\u6001\u6d4f\u89c8\u5668, \u8def\u7531\u5668<br \/>\nIvy \u5de5\u4f5c\u533a: \u662f<\/p>\n<p>\u5305 \u7248\u672c<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\n@angular-devkit\/architect 0.1100.5<br \/>\n@angular-devkit\/build-angular 0.1100.5<br \/>\n@angular-devkit\/core 11.0.5<br \/>\n@angular-devkit\/schematics 11.0.5<br \/>\n@schematics\/angular 11.0.5<br \/>\n@schematics\/update 0.1100.5<br \/>\nrxjs 6.6.0<br \/>\ntypescript 4.0.2<\/p>\n<\/details>\n<h1>\u6709\u5173\u6587\u7ae0<\/h1>\n<ul class=\"post-ul\">[Angular] \u5c5e\u6027\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u81ea\u4f5c\u3059\u308b<\/ul>\n<h1>\u672c\u7bc7\u6587\u7ae0\u6240\u8a0e\u8ad6\u7684\u7d44\u6210<\/h1>\n<p>\u672c\u6587\u5c06\u63a2\u8ba8\u4ee5\u4e0b\u6240\u793a\u7684\u7ed3\u6784\u3002<\/p>\n<pre class=\"post-pre\"><code>src\/\r\n  `-app\/\r\n    `-component\/\r\n    |  `-use-directive\/                       # \u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u3092\u9069\u7528\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\r\n    |    `- use-directive.component.css\r\n    |    `- use-directive.component.html\r\n    |    `- use-directive.component.ts\r\n    `-directive\/\r\n    |  `- event.directive.ts                  # \u672c\u8a18\u4e8b\u3067\u6271\u3046\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\r\n    `- app.component.css\r\n    `- app.component.html\r\n    `- app.component.ts\r\n    `- app.module.ts\r\n<\/code><\/pre>\n<h1>\u5728\u5c5e\u6027\u6307\u4ee4\u4e2d\u5904\u7406\u4e8b\u4ef6\u3002<\/h1>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Directive<\/span><span class=\"p\">,<\/span> <span class=\"nx\">ElementRef<\/span><span class=\"p\">,<\/span> <span class=\"nx\">HostListener<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"p\">@<\/span><span class=\"nd\">Directive<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">[appEvent]<\/span><span class=\"dl\">'<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">EventDirective<\/span> <span class=\"p\">{<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\r\n   *\r\n   * @param {ElementRef} elementRef \u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u304c\u30bb\u30c3\u30c8\u3055\u308c\u305fDOM\u3078\u306e\u53c2\u7167\r\n   * @memberof TemplateDirective\r\n   *\/<\/span>\r\n  <span class=\"nf\">constructor<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"k\">private<\/span> <span class=\"nx\">elementRef<\/span><span class=\"p\">:<\/span> <span class=\"nx\">ElementRef<\/span>\r\n  <span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\r\n   * \u30de\u30a6\u30b9\u30a4\u30d9\u30f3\u30c8\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3066\u80cc\u666f\u8272\u3092\u5909\u66f4\u3059\u308b\r\n   *\r\n   * @param {*} target \u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308bhtml\u8981\u7d20\r\n   * @memberof EventDirective\r\n   *\/<\/span>\r\n  <span class=\"p\">@<\/span><span class=\"nd\">HostListener<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mouseenter<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">$event.target<\/span><span class=\"dl\">'<\/span><span class=\"p\">])<\/span> <span class=\"nf\">changeBackgroundColor<\/span><span class=\"p\">(<\/span><span class=\"nx\">target<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">target<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">elementRef<\/span><span class=\"p\">.<\/span><span class=\"nx\">nativeElement<\/span><span class=\"p\">.<\/span><span class=\"nx\">style<\/span><span class=\"p\">.<\/span><span class=\"nx\">backgroundColor<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rgb(255, 0, 0)<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n\r\n  <span class=\"cm\">\/**\r\n   * \u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\r\n   * \u30de\u30a6\u30b9\u30ea\u30fc\u30d6\u30a4\u30d9\u30f3\u30c8\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3066\u80cc\u666f\u8272\u3092\u5909\u66f4\u3059\u308b\r\n   *\r\n   * @param {*} target \u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308bhtml\u8981\u7d20\r\n   * @memberof EventDirective\r\n   *\/<\/span>\r\n  <span class=\"p\">@<\/span><span class=\"nd\">HostListener<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mouseleave<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">$event.target<\/span><span class=\"dl\">'<\/span><span class=\"p\">])<\/span> <span class=\"nf\">restoreBackgroundColor<\/span><span class=\"p\">(<\/span><span class=\"nx\">target<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">target<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">elementRef<\/span><span class=\"p\">.<\/span><span class=\"nx\">nativeElement<\/span><span class=\"p\">.<\/span><span class=\"nx\">style<\/span><span class=\"p\">.<\/span><span class=\"nx\">backgroundColor<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rgb(219, 210, 224)<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8bf7\u6309\u987a\u5e8f\u67e5\u770b\u4ee5\u4e0b\u8981\u70b9\u3002<\/p>\n<h2>\u7528 @HostListener \u8fdb\u884c\u4fee\u9970<\/h2>\n<p>\u8981\u901a\u8fc7\u6307\u4ee4\u5728\u4e8b\u4ef6\u5904\u7406\u4e2d\u6ce8\u518c\uff0c\u53ea\u9700\u8981\u4f7f\u7528 @HostListener \u4fee\u9970\u65b9\u6cd5\u5373\u53ef\u3002\u66f4\u5177\u4f53\u5730\u8bf4\uff0c<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">HostListener<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">@angular\/core<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n<\/code><\/pre>\n<p>\u7b2c\u4e00\u70b9\u662f\u5bfc\u5165HostListener\u3002<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"p\">@<\/span><span class=\"nd\">HostListener<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">\u30a4\u30d9\u30f3\u30c8\u540d<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">[\u30a4\u30d9\u30f3\u30c8\u5f15\u6570]<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span> <span class=\"nf\">\u30e1\u30bd\u30c3\u30c9\u540d<\/span><span class=\"p\">(<\/span><span class=\"nx\">target<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c1\">\/\/ \u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3092\u5b9f\u88c5\u3059\u308b<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4f7f\u7528 @HostListener \u4fee\u9970\u65b9\u6cd5\u662f\u7b2c\u4e8c\u4e2a\u8981\u70b9\u3002<br \/>\n\u901a\u8fc7\u4ee5\u4e0a\u4e24\u70b9\u5b8c\u6210\u4e8b\u4ef6\u6ce8\u518c\u3002<\/p>\n<p>\u5728\u4f7f\u7528@HostListener\u4fee\u9970\u65f6\uff0c\u53ef\u4ee5\u5c06\u4e8b\u4ef6\u540d\u79f0\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c\u4e8b\u4ef6\u4fe1\u606f\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570\u8fdb\u884c\u6307\u5b9a\u3002\u800c\u901a\u8fc7\u6307\u5b9a\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff0c\u5b9e\u9645\u4e0a\u5c06\u4e8b\u4ef6\u4fe1\u606f\u4f20\u9012\u7ed9\u4e86\u65b9\u6cd5\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u5b9e\u9645\u4ee3\u7801\u4e2d\u7684\u4e8b\u4ef6\u6ce8\u518c\u90e8\u5206\u5427\u3002<\/p>\n<h2>\u9f20\u6807\u8fdb\u5165\u4e8b\u4ef6\u76d1\u542c\u5668<\/h2>\n<pre class=\"post-pre\"><code>  <span class=\"cm\">\/**\r\n   * \u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\r\n   * \u30de\u30a6\u30b9\u30a4\u30d9\u30f3\u30c8\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3066\u80cc\u666f\u8272\u3092\u5909\u66f4\u3059\u308b\r\n   *\r\n   * @param {*} target \u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308bhtml\u8981\u7d20\r\n   * @memberof EventDirective\r\n   *\/<\/span>\r\n  <span class=\"p\">@<\/span><span class=\"nd\">HostListener<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mouseenter<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">$event.target<\/span><span class=\"dl\">'<\/span><span class=\"p\">])<\/span> <span class=\"nf\">changeBackgroundColor<\/span><span class=\"p\">(<\/span><span class=\"nx\">target<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">target<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">elementRef<\/span><span class=\"p\">.<\/span><span class=\"nx\">nativeElement<\/span><span class=\"p\">.<\/span><span class=\"nx\">style<\/span><span class=\"p\">.<\/span><span class=\"nx\">backgroundColor<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rgb(255, 0, 0)<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u662f\u4e00\u4e2amouseenter\u4e8b\u4ef6\u7684\u76d1\u542c\u5668\u3002<br \/>\n\u5f53\u9f20\u6807\u5149\u6807\u89e6\u78b0\u5230\u5e94\u7528\u4e86event.directive\u6307\u4ee4\u7684\u7ec4\u4ef6\u5143\u7d20\u65f6\uff0c\u5b83\u5c06\u89e6\u53d1\u3002<br \/>\n\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u53ea\u662f\u8fdb\u884c\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5904\u7406\uff0c\u5c06\u80cc\u666f\u989c\u8272\u66f4\u6539\u4e3a\u7ea2\u8272\u3002<br \/>\n\u6ce8\u610f\uff0c\u6211\u4eec\u4e5f\u8fdb\u884c\u4e86\u65e5\u5fd7\u8f93\u51fa\uff0c\u8f93\u51fa\u5185\u5bb9\u662f\u89e6\u53d1\u4e8b\u4ef6\u65f6\u5143\u7d20\u7684\u5185\u5bb9\u3002<\/p>\n<h2>mouseleave \u4e8b\u4ef6\u76d1\u542c\u5668<\/h2>\n<pre class=\"post-pre\"><code>  <span class=\"cm\">\/**\r\n   * \u30a4\u30d9\u30f3\u30c8\u30ea\u30b9\u30ca\u30fc\r\n   * \u30de\u30a6\u30b9\u30ea\u30fc\u30d6\u30a4\u30d9\u30f3\u30c8\u3092\u30ad\u30e3\u30c3\u30c1\u3057\u3066\u80cc\u666f\u8272\u3092\u5909\u66f4\u3059\u308b\r\n   *\r\n   * @param {*} target \u3053\u306e\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u304c\u9069\u7528\u3055\u308c\u3066\u3044\u308bhtml\u8981\u7d20\r\n   * @memberof EventDirective\r\n   *\/<\/span>\r\n  <span class=\"p\">@<\/span><span class=\"nd\">HostListener<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">mouseleave<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">$event.target<\/span><span class=\"dl\">'<\/span><span class=\"p\">])<\/span> <span class=\"nf\">restoreBackgroundColor<\/span><span class=\"p\">(<\/span><span class=\"nx\">target<\/span><span class=\"p\">:<\/span> <span class=\"kr\">any<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nf\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">target<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">elementRef<\/span><span class=\"p\">.<\/span><span class=\"nx\">nativeElement<\/span><span class=\"p\">.<\/span><span class=\"nx\">style<\/span><span class=\"p\">.<\/span><span class=\"nx\">backgroundColor<\/span> <span class=\"o\">=<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">rgb(219, 210, 224)<\/span><span class=\"dl\">'<\/span><span class=\"p\">;<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u662f\u4e00\u4e2amouseleave\u7684\u4e8b\u4ef6\u76d1\u542c\u5668\u3002<br \/>\n\u4e0emouseenter\u76f8\u540c\uff0c\u5f53\u9f20\u6807\u6307\u9488\u79bb\u5f00\u5e94\u7528\u4e86event.directive\u6307\u4ee4\u7684\u7ec4\u4ef6\u5143\u7d20\u65f6\u89e6\u53d1\u3002<br \/>\n\u5904\u7406\u7684\u5185\u5bb9\u53ea\u662f\u5c06\u80cc\u666f\u8272\u6062\u590d\u4e3a\u539f\u59cb\u72b6\u6001\u3002<br \/>\n\u8f93\u51fa\u7684\u65e5\u5fd7\u4e0emouseenter\u76f8\u540c\uff0c\u8f93\u51fa\u7684\u662f\u4e8b\u4ef6\u89e6\u53d1\u65f6\u5143\u7d20\u7684\u5185\u5bb9\u3002<\/p>\n<h1>\u4ece\u7ec4\u4ef6\u4e2d\u4f7f\u7528\u6307\u4ee4\u3002<\/h1>\n<p>\u53ea\u9700\u8981\u5e94\u7528\u6307\u4ee4\u7684\u4ee3\u7801\uff0c\u4f46\u662f\u5728\u7ec4\u4ef6\u6a21\u677f\u4e2d\uff0c\u4f5c\u4e3a\u4f7f\u7528\u65b9\u7684\u7ec4\u4ef6\u5e94\u8be5\u663e\u793a\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;p&gt;<\/span>\r\n  \u5c5e\u6027\u30c7\u30a3\u30ec\u30af\u30c6\u30a3\u30d6\u306b\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3092\u767b\u9332\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u3002<span class=\"nt\">&lt;br&gt;<\/span>\r\n  <span class=\"nt\">&lt;span<\/span> <span class=\"na\">appEvent<\/span><span class=\"nt\">&gt;<\/span>\u3053\u3053\u306e\u80cc\u666f\u8272<span class=\"nt\">&lt;\/span&gt;<\/span> \u304c\u30de\u30a6\u30b9\u30a8\u30f3\u30bf\u30fc\u3068\u30de\u30a6\u30b9\u30ea\u30fc\u30d6\u306e\u30a4\u30d9\u30f3\u30c8\u3067\u5207\u308a\u66ff\u308f\u308b\u3002\r\n<span class=\"nt\">&lt;\/p&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u9002\u7528 event.directive \u7684\u90e8\u5206\u7528\u6807\u7b7e\u62ec\u8d77\u6765\u7684\u5185\u5bb9\uff0c\u5728\u524d\u9762\u7684\u4e8b\u4ef6\u76d1\u542c\u5668\u4e2d\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u5e76\u8f93\u51fa\u65e5\u5fd7\u7684\u4fe1\u606f\uff0c\u5c31\u662f\u88ab\u8fd9\u4e2a\u6807\u7b7e\u6240\u5305\u56f4\u7684\u90e8\u5206\u3002<\/p>\n<h1>\u8fd0\u884c\u7ed3\u679c<\/h1>\n<h2>\u521a\u5f00\u673a<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3ac537434c4406c7f185\/36-0.png\" alt=\"directive_event01.png\" \/><\/div>\n<p>\u7531\u4e8e\u521a\u542f\u52a8\uff0c\u6ca1\u6709\u65e5\u5fd7\u8f93\u51fa\uff0c\u53ea\u662f\u7b80\u5355\u5730\u663e\u793a\u9875\u9762\u3002<\/p>\n<h2>\u9f20\u6807\u79fb\u5165\uff62\u8fd9\u91cc\u7684\u80cc\u666f\u989c\u8272\uff63<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3ac537434c4406c7f185\/39-0.png\" alt=\"directive_event02.png\" \/><\/div>\n<p>\u9f20\u6807\u8fdb\u5165\u4e8b\u4ef6\u88ab\u89e6\u53d1\uff0c\u80cc\u666f\u8272\u53d8\u4e3a\u7ea2\u8272\u3002\u540c\u65f6\u53ef\u4ee5\u4ece\u65e5\u5fd7\u4e2d\u770b\u5230\u8f93\u51fa\u4e86\u4e8b\u4ef6\u89e6\u53d1\u65f6\u7684\u4fe1\u606f(\u80cc\u666f\u989c\u8272\u4e3argb (219, 210, 224))\u3002<\/p>\n<h2>\u4ece&#8221;\u8fd9\u91cc\u7684\u80cc\u666f\u989c\u8272&#8221;\u79fb\u5f00\u9f20\u6807<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3ac537434c4406c7f185\/42-0.png\" alt=\"directive_event03.png\" \/><\/div>\n<p>\u9f20\u6807\u79bb\u5f00\u4e8b\u4ef6\u88ab\u89e6\u53d1\uff0c\u53ef\u4ee5\u786e\u8ba4\u80cc\u666f\u8272\u5df2\u6062\u590d\u539f\u6837\u3002\u4ece\u65e5\u5fd7\u4e2d\u4e5f\u53ef\u770b\u5230(\u80cc\u666f\u8272: rgb(255, 0, 0))\uff0c\u8bc1\u5b9e\u4e86\u4e8b\u4ef6\u89e6\u53d1\u65f6\u7684\u4fe1\u606f\u5df2\u8f93\u51fa\u3002<\/p>\n<h1>\u7a0b\u5f0f\u78bc<\/h1>\n<p>\u56e0\u4e3a\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u4f7f\u7528\u7684\u4ee3\u7801\u662f\u7528\u4e8e\u8fdb\u884c\u64cd\u4f5c\u786e\u8ba4\u7684\uff0c\u6240\u4ee5\u6211\u5728\u8fd9\u91cc\u4e0a\u4f20\u4e86\uff0c\u4f9b\u53c2\u8003&#8230;<\/p>\n<h1>\u8bf7\u63d0\u4f9b\u66f4\u591a\u7684\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u4ee5\u4fbf\u6211\u53ef\u4ee5\u51c6\u786e\u5730\u5c06\u5176\u7ffb\u8bd1\u6210\u4e2d\u6587\u3002<\/h1>\n<ul class=\"post-ul\">\u672c\u5bb6\u306e Attribute Directives<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u5728\u5c5e\u6027\u6307\u4ee4\u4e2d\uff0c\u53ef\u4ee5\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0\u6b64\u65b9\u6cd5\u3002 \u6700\u65b0\u6d88\u606f 2021\u5e741\u67089\u65e5 \u8a18\u4e8b\u5185\u3067\u6271\u3063\u305f [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39528","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5728Angular\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c5e\u6027\u6307\u4ee4\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728angular\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c5e\u6027\u6307\u4ee4\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5728Angular\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c5e\u6027\u6307\u4ee4\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 \u5728\u5c5e\u6027\u6307\u4ee4\u4e2d\uff0c\u53ef\u4ee5\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u5b9e\u73b0\u6b64\u65b9\u6cd5\u3002 \u6700\u65b0\u6d88\u606f 2021\u5e741\u67089\u65e5 \u8a18\u4e8b\u5185\u3067\u6271\u3063\u305f [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728angular\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u5c5e\u6027\u6307\u4ee4\u6ce8\u518c\u4e8b\u4ef6\u5904\u7406\u7a0b\u5e8f\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-05T13:42:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T12:42:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3ac537434c4406c7f185\/36-0.png\" \/>\n<meta name=\"author\" content=\"\u79d1, \u9896\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u9896\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" 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