{"id":39355,"date":"2022-11-02T20:24:17","date_gmt":"2024-03-07T22:19:06","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8angular%e6%97%b6%ef%bc%8c%e5%8f%af%e4%bb%a5%e9%80%9a%e8%bf%87typescript%e5%8a%a8%e6%80%81%e5%9c%b0%e6%9b%b4%e6%94%b9%e7%bb%84%e4%bb%b6%e6%9c%ac%e8%ba%ab%e7%9a%84css%e5%b1%9e%e6%80%a7\/"},"modified":"2024-04-28T22:38:56","modified_gmt":"2024-04-28T14:38:56","slug":"%e4%bd%bf%e7%94%a8angular%e6%97%b6%ef%bc%8c%e5%8f%af%e4%bb%a5%e9%80%9a%e8%bf%87typescript%e5%8a%a8%e6%80%81%e5%9c%b0%e6%9b%b4%e6%94%b9%e7%bb%84%e4%bb%b6%e6%9c%ac%e8%ba%ab%e7%9a%84css%e5%b1%9e%e6%80%a7","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8angular%e6%97%b6%ef%bc%8c%e5%8f%af%e4%bb%a5%e9%80%9a%e8%bf%87typescript%e5%8a%a8%e6%80%81%e5%9c%b0%e6%9b%b4%e6%94%b9%e7%bb%84%e4%bb%b6%e6%9c%ac%e8%ba%ab%e7%9a%84css%e5%b1%9e%e6%80%a7\/","title":{"rendered":"\u4f7f\u7528Angular\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7TypeScript\u52a8\u6001\u5730\u66f4\u6539\u7ec4\u4ef6\u672c\u8eab\u7684CSS\u5c5e\u6027"},"content":{"rendered":"<h1>\u603b\u7ed3<\/h1>\n<p>\u5728\u5c1d\u8bd5\u5c06Angular\u7ec4\u4ef6\u5927\u5c0f\u8c03\u6574\u4e3a\u7a97\u53e3\u5927\u5c0f\u65f6\uff0c\u6211\u53d1\u73b0\u5b98\u65b9\u7684\u7ec4\u4ef6\u6837\u5f0f\u53ea\u63d0\u5230\u53ef\u4ee5\u901a\u8fc7\u201c:host\u9009\u62e9\u5668\u6765\u6307\u5b9a\u7ec4\u4ef6\u81ea\u8eab\u7684CSS\uff01\u201d\u8fd9\u6837\u7684\u5185\u5bb9\uff0c\u5bf9\u4e8e\u5982\u4f55\u4eceTypeScript\u52a8\u6001\u4fee\u6539\u81ea\u5df1\u7684CSS\u7684\u6b65\u9aa4\u5374\u4e0d\u6e05\u695a\u3002<\/p>\n<p>\u6211\u901a\u8fc7\u641c\u7d22\u5f97\u5230\u7684\u4ee3\u7801\u6709\u65f6\u80fd\u6b63\u5e38\u5de5\u4f5c\uff0c\u6709\u65f6\u5374\u4e0d\u80fd\uff0c\u76f8\u5f53\u6a21\u7cca\u3002\u56e0\u6b64\uff0c\u6211\u5728\u8fd9\u91cc\u8bb0\u5f55\u4e0b\u6700\u7ec8\u53ef\u884c\u7684\u65b9\u6cd5\u4f5c\u4e3a\u5907\u5fd8\u3002<\/p>\n<h1>\u64cd\u4f5c\u6b65\u9aa4<\/h1>\n<p>\u5728\u7ec4\u4ef6\u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528HostBinding\u88c5\u9970\u5668\u58f0\u660e\u4e00\u4e2a\u5e26\u6709HostBinding\u88c5\u9970\u5668\u7684\u53d8\u91cf\uff0c\u5e76\u5728\u8981\u66f4\u6539\u7684CSS\u5c5e\u6027\u524d\u52a0\u4e0astyle.\uff0c\u5c06\u5176\u4f5c\u4e3aHostBinding\u88c5\u9970\u5668\u7684\u53c2\u6570\u4f20\u9012\u3002\u7136\u540e\uff0c\u5c06\u503c\u5b58\u50a8\u5230\u58f0\u660e\u7684\u6210\u5458\u53d8\u91cf\u4e2d\uff0cCSS\u5c5e\u6027\u5c06\u88ab\u66ff\u6362\u4e3a\u5b58\u50a8\u7684\u503c\u3002\u56e0\u4e3a\u53ea\u6d89\u53caheight\u5c5e\u6027\uff0c\u6240\u4ee5\u9009\u62e9\u4ec0\u4e48\u7c7b\u578b\u5b58\u50a8\u503c\u6709\u4e9b\u56f0\u60d1\uff0c\u4f46\u662f\u5982\u679c\u9009\u62e9number\u7c7b\u578b\uff0c\u5b83\u5c06\u65e0\u6cd5\u5de5\u4f5c\uff0c\u800c\u9009\u62e9string\u7c7b\u578b\u5e76\u5728\u672b\u5c3e\u52a0\u4e0apx\uff0c\u5b83\u53ef\u4ee5\u6b63\u5e38\u5de5\u4f5c\uff0c\u6240\u4ee5\u9009\u62e9string\u7c7b\u578b\u6bd4\u8f83\u7a33\u59a5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">Component<\/span><span class=\"p\">,<\/span> <span class=\"nx\">OnInit<\/span><span class=\"p\">,<\/span> <span class=\"nx\">HostBinding<\/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\">Component<\/span><span class=\"p\">({<\/span>\r\n  <span class=\"na\">selector<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">app-example<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">templateUrl<\/span><span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">.\/example.component.html<\/span><span class=\"dl\">'<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"na\">styleUrls<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"dl\">'<\/span><span class=\"s1\">.\/example.component.css<\/span><span class=\"dl\">'<\/span><span class=\"p\">]<\/span>\r\n<span class=\"p\">})<\/span>\r\n<span class=\"k\">export<\/span> <span class=\"kd\">class<\/span> <span class=\"nx\">ExampleComponent<\/span> <span class=\"k\">implements<\/span> <span class=\"nx\">OnInit<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"p\">@<\/span><span class=\"nd\">HostBinding<\/span><span class=\"p\">(<\/span><span class=\"dl\">'<\/span><span class=\"s1\">style.height<\/span><span class=\"dl\">'<\/span><span class=\"p\">)<\/span> <span class=\"nx\">height<\/span><span class=\"p\">:<\/span><span class=\"kr\">string<\/span><span class=\"p\">;<\/span><span class=\"c1\">\/\/\u3053\u3053\u3067style.&lt;\u597d\u304d\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u540d&gt;\u3092\u6307\u5b9a\u3059\u308b\u306e\u304c\u4e00\u756a\u5927\u4e8b<\/span>\r\n  <span class=\"kd\">constructor<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kd\">let<\/span> <span class=\"nx\">pxnum<\/span><span class=\"p\">:<\/span><span class=\"kr\">number<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">window<\/span><span class=\"p\">.<\/span><span class=\"nx\">innerHeight<\/span><span class=\"o\">\/<\/span><span class=\"mi\">2<\/span><span class=\"p\">;<\/span> <span class=\"c1\">\/\/\u3053\u3053\u306f\u5165\u308c\u305f\u3044\u6570\u5024\u3092\u5165\u308c\u308b\u3002\u4eca\u56de\u306f\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u9ad8\u3055\u306e\u534a\u5206\u306b\u3057\u305f\u3002<\/span>\r\n    <span class=\"k\">this<\/span><span class=\"p\">.<\/span><span class=\"nx\">height<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"nx\">pxnum<\/span><span class=\"p\">).<\/span><span class=\"nx\">toString<\/span><span class=\"p\">()<\/span> <span class=\"o\">+<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">px<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span><span class=\"c1\">\/\/\u6307\u5b9a\u3057\u305f\u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u5bfe\u5fdc\u3057\u305f\u5909\u6570\u3092\u66f8\u304d\u63db\u3048\u308b\u3068\u3001\u305d\u306e\u5834\u3067\u65b0\u3057\u3044CSS\u304c\u9069\u7528\u3055\u308c\u308b\u3002<\/span>\r\n  <span class=\"p\">}<\/span>\r\n  <span class=\"nx\">ngOnInit<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u6211\u5c1d\u8bd5\u8fdb\u884c\u6295\u7a3f\u65f6\u6ce8\u610f\u5230\uff0c\u6211\u610f\u8bc6\u5230\u53ea\u6709\u5c06\u5176\u89c6\u4e3ablock\u6807\u7b7e\u624d\u80fd\u4f7f\u5176\u6b63\u5e38\u5de5\u4f5c\uff0c\u56e0\u6b64\u8bf7\u660e\u786e\u8bf4\u660e\u8fd9\u4e00\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">p<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">background-color<\/span><span class=\"p\">:<\/span><span class=\"m\">#0000ff<\/span><span class=\"p\">;<\/span><span class=\"c\">\/*p\u30bf\u30b0\u3068\u80cc\u666f\u306e\u5dee\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u7528*\/<\/span>\r\n<span class=\"p\">}<\/span>\r\n<span class=\"nd\">:host<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nl\">display<\/span><span class=\"p\">:<\/span><span class=\"nb\">block<\/span><span class=\"p\">;<\/span><span class=\"c\">\/*display:block\u306b\u3057\u306a\u3044\u3068\u30d6\u30ed\u30c3\u30af\u30bf\u30b0\u3068\u3057\u3066\u4f7f\u3048\u308b\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u9069\u7528\u3055\u308c\u306a\u3044\u306e\u3067\u6307\u5b9a\u3002position:fixed\u3067\u3082\u53ef\u3002*\/<\/span>\r\n  <span class=\"nl\">background-color<\/span><span class=\"p\">:<\/span><span class=\"m\">#7f7f7f<\/span><span class=\"p\">;<\/span><span class=\"c\">\/*\u63cf\u753b\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u3059\u308b\u7528*\/<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4e4b\u540e\uff0c\u5c31\u662f\u50cf\u4f7f\u7528&#8221;ng generate component&#8221;\u547d\u4ee4\u4e00\u6837\u7684\u64cd\u4f5c\u3002<\/p>\n<h1>\u7248\u672c\u4fe1\u606f<\/h1>\n<p>\u6211\u4f7f\u7528\u7684\u700f\u89bd\u5668\u662f Firefox 65.0\uff0cnpm \u7684\u7248\u672c\u662f 3.5.2\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"name\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"test2\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nl\">\"version\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"0.0.0\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nl\">\"license\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"MIT\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nl\">\"angular-cli\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{},<\/span>\r\n  <span class=\"nl\">\"scripts\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"ng\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"ng\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"start\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"ng serve\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"test\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"ng test\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"pree2e\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"webdriver-manager update --standalone false --gecko false\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"e2e\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"protractor\"<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"nl\">\"private\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nl\">\"dependencies\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"@angular\/common\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.3.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"@angular\/compiler\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.3.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"@angular\/core\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.3.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"@angular\/forms\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.3.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"@angular\/http\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.3.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"@angular\/platform-browser\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.3.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"@angular\/platform-browser-dynamic\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.3.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"@angular\/router\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^3.3.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"core-js\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.4.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"rxjs\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^5.0.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"ts-helpers\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^1.1.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"zone.js\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^0.7.2\"<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"nl\">\"devDependencies\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"@angular\/compiler-cli\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.3.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"@types\/jasmine\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"2.5.38\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"@types\/node\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^6.0.42\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"angular-cli\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"1.0.0-beta.28.3\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"codelyzer\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"~2.0.0-beta.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"jasmine-core\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"2.5.2\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"jasmine-spec-reporter\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"2.5.0\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"karma\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"1.2.0\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"karma-chrome-launcher\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^2.0.0\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"karma-cli\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^1.0.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"karma-jasmine\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^1.0.2\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"karma-remap-istanbul\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^0.2.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"protractor\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"~4.0.13\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"ts-node\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"1.2.1\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"tslint\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"^4.3.0\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"typescript\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"~2.0.3\"<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"compilerOptions\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"baseUrl\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"declaration\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">false<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"emitDecoratorMetadata\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"experimentalDecorators\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"lib\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"s2\">\"es6\"<\/span><span class=\"p\">,<\/span> <span class=\"s2\">\"dom\"<\/span><span class=\"p\">],<\/span>\r\n    <span class=\"nl\">\"mapRoot\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\".\/\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"module\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"es6\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"moduleResolution\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"node\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"outDir\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"..\/dist\/out-tsc\"<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"nl\">\"sourceMap\"<\/span><span class=\"p\">:<\/span> <span class=\"kc\">true<\/span><span class=\"p\">,<\/span>\r\n    <span 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