{"id":3208,"date":"2019-03-13T10:13:13","date_gmt":"2019-03-13T02:13:13","guid":{"rendered":"http:\/\/www.daliane.com\/?p=3208"},"modified":"2019-03-13T10:13:30","modified_gmt":"2019-03-13T02:13:30","slug":"create-react-app_xue_xi_bi_ji","status":"publish","type":"post","link":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/create-react-app_xue_xi_bi_ji\/","title":{"rendered":"create-react-app\u5b66\u4e60\u7b14\u8bb0"},"content":{"rendered":"<p style=\"font-size:13px;font-family:&quot;color:#333333;background-color:#FFFFFF;\">\n\tcreate-react-app \u662f\u6765\u81ea\u4e8e Facebook\uff0c\u901a\u8fc7\u8be5\u547d\u4ee4\u6211\u4eec\u65e0\u9700\u914d\u7f6e\u5c31\u80fd\u5feb\u901f\u6784\u5efa React \u5f00\u53d1\u73af\u5883\u3002\n<\/p>\n<p style=\"font-size:13px;font-family:&quot;color:#333333;background-color:#FFFFFF;\">\n\tcreate-react-app \u81ea\u52a8\u521b\u5efa\u7684\u9879\u76ee\u662f\u57fa\u4e8e Webpack + ES6 \u3002\n<\/p>\n<p style=\"font-size:13px;font-family:&quot;color:#333333;background-color:#FFFFFF;\">\n\t\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u9879\u76ee\uff1a\n<\/p>\n<p style=\"font-size:13px;font-family:&quot;color:#333333;background-color:#FFFFFF;\">\n\t\n<\/p>\n<pre class=\"prettyprint lang-js\">$ cnpm install -g create-react-app\r\n$ create-react-app my-app\r\n$ cd my-app\/\r\n$ npm start<\/pre>\n<p>1\uff0c\u6587\u4ef6\u7ed3\u6784<\/p>\n<p>&nbsp;public\u548csrc\u76ee\u5f55\u4e0b\u7684index\u6587\u4ef6\u5fc5\u987b\u5b58\u5728\u4e0d\u80fd\u6539\u540d\uff0c\u5176\u5b83\u6587\u4ef6\u53ef\u4ee5\u5220\u9664\u548c\u6539\u540d\uff0creact\u4e3a\u4e86\u8fbe\u5230\u6700\u5feb\u901f\u7684\u4ee3\u7801\u91cd\u5efa\uff0c\u53ea\u6709\u5728src\u6839\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u4f1a\u88abwebpack\u7f16\u8bd1\uff0c\u6240\u4ee5\u5fc5\u987b\u628a\u6587\u4ef6\u653e\u5728src\u4e0b\uff0c\u5426\u5219webpack\u4e0d\u4f1a\u8bc6\u522b<br \/>\n&nbsp;\u4f60\u53ef\u4ee5\u521b\u5efa\u66f4\u591a\u7684\u548cpublic\u540c\u7ea7\u7684\u9876\u7ea7\u76ee\u5f55\uff0c\u4ed6\u4eec\u4e0d\u4f1a\u5305\u542b\u5728\u9879\u76ee\u6784\u5efa\u4e2d\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ed6\u4eec\u4f5c\u4e3a\u9879\u76ee\u6587\u6863<br \/>\n2\uff0c\u53ef\u7528\u7684\u811a\u672c\u547d\u4ee4<\/p>\n<p>&nbsp;npm start \u5728http:\/\/localhost:3000\u4e0b\u76d1\u89c6\u6587\u4ef6\uff0c\u6587\u4ef6\u4fee\u6539\u5c06\u81ea\u52a8\u66f4\u65b0\uff0c\u4f60\u53ef\u4ee5\u5728\u63a7\u5236\u53f0\u4e2d\u770b\u5230\u68c0\u6d4b\u9519\u8bef<br \/>\n&nbsp;npm test\u5728\u4ea4\u4e92\u76d1\u89c6\u6a21\u5f0f\u4e0b\u542f\u52a8\u6d4b\u8bd5\u8fd0\u884c\u7a0b\u5e8fnpm test\u5728\u4ea4\u4e92\u76d1\u89c6\u6a21\u5f0f\u4e0b\u542f\u52a8\u6d4b\u8bd5\u8fd0\u884c\u7a0b\u5e8f<br \/>\n&nbsp;npm run build\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u7f16\u8bd1\u4ee3\u7801\uff0c\u5e76\u653e\u5728build\u76ee\u5f55\u4e2d<br \/>\n&nbsp;npm run eject \u6ce8\u610f\uff1a<br \/>\n\u8fd9\u662f\u4e00\u4e2a\u5355\u5411\u64cd\u4f5c\uff0c\u4e00\u65e6\u4f7f\u7528\uff0c\u5c31\u4e0d\u80fd\u6062\u590d\u4e86\u3002\u5982\u679c\u4f60\u5bf9create-react-app\u8fd9\u4e2a\u6784\u5efa\u5de5\u5177\u548c\u914d\u7f6e\u4e0d\u6ee1\u610f\uff0c\u4f60\u53ef\u4ee5\u4efb\u4f55\u65f6\u5019eject\uff0c\u4e4b\u540e\u51faeject\u547d\u4ee4\u4ee5\u5916\u5176\u4f59\u547d\u4ee4\u90fd\u53ef\u7528<br \/>\n\u652f\u6301\u6700\u65b0\u7684js\u8bed\u6cd5\u548c\u57ab\u5c42\u3002 \u8fd9\u4e2a\u9879\u76ee\u652f\u6301es6\uff0ces7\uff0ces8\u7b49<\/p>\n<p>3\uff0c\u6dfb\u52a0\u56fe\u7247<\/p>\n<p>&nbsp;\u4f7f\u7528import\u5bfc\u5165\u4e00\u4e2a\u56fe\u7247\u6216\u8005\u4e00\u4e2a\u6587\u4ef6\uff0c\u8fd4\u56de\u7684\u8fd9\u4e2a\u8def\u5f84\u503c\u53ef\u4ee5\u5f53\u505asrc\u6216\u8005href\u7684\u5c5e\u6027\uff0cSVG\u683c\u5f0f\u7684\u56fe\u7247\u4e0d\u652f\u6301\u8fd9\u9879\u8bbe\u7f6e<br \/>\n\u4f8b\uff1aimport image from \u2018.\/image.png\u2019 image\u5c31\u662f\u7edd\u5bf9\u8def\u5f84<br \/>\n\u6ce8\u610f\uff1a\u5728css\u6587\u4ef6\u4e2d\u5bfc\u5165\u56fe\u7247\u7b49\u9759\u6001\u8d44\u6e90\uff0c\u4f7f\u7528\u76f8\u5bf9\u8def\u5f84\uff0cwebpack\u5728\u7f16\u8bd1\u7684\u65f6\u5019\u4f1a\u81ea\u52a8\u7684\u66ff\u6362\u6210\u7edd\u5bf9\u8def\u5f84<br \/>\n4\uff0c\u4f7f\u7528public\u76ee\u5f55<\/p>\n<p>\u4f8b\uff1alink rel=\u201cshortcut icon\u201d href=&#8221;%PUBLIC_URL%\/favicon.ico&#8221;<br \/>\n\u5f15\u5165\u662f\u8def\u5f84\u5199\u6210&#8221;%PUBLIC_URL%&#8221; + &#8220;\/favicon.ico&#8221;\u8fd9\u79cd\u683c\u5f0f<br \/>\n\u4ec0\u4e48\u65f6\u5019\u4f7f\u7528public\u6587\u4ef6\u5939<br \/>\n&nbsp;\u9700\u8981\u4e00\u4e9b\u6587\u4ef6\u6709\u7279\u6b8a\u7684\u6587\u4ef6\u540d<br \/>\n&nbsp;\u5f53\u4f60\u6709\u5f88\u591a\u56fe\u7247\uff0c\u5e76\u4e14\u8fd9\u4e9b\u56fe\u7247\u7684\u8def\u5f84\u662f\u52a8\u6001\u6dfb\u52a0\u7684<br \/>\n&nbsp;js\u5e93\u548cwebpack\u662f\u6709\u51b2\u7a81\u7684\uff0c\u4f60\u5fc5\u987b\u901a\u8fc7script\u6807\u7b7e\u7684\u5f62\u5f0f\u5bfc\u5165<br \/>\n5\uff0c\u4f7f\u7528\u5168\u5c40\u53d8\u91cf<\/p>\n<p>\u5982\u679c\u4f60\u5728\u4f60\u7684src\u76ee\u5f55\u4e2d\u7684js\u6587\u4ef6\u4e2d\u4f7f\u7528js\u6587\u4ef6\u4e2d\u7684\u5168\u5c40\u53d8\u91cf\uff0c\u90a3\u4e48\u4f1a\u62a5\u9519\uff0c\u56e0\u4e3aeslint\u5e76\u4e0d\u77e5\u9053\u8fd9\u4e2a\u53d8\u91cf\u662f\u4ec0\u4e48\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u4e2a\u9519\u8bef\u7684\u53d1\u751f\u53ef\u4ee5\u901a\u8fc7window\u6765\u8bbf\u95ee\uff0c\u4e3a\u4e86\u907f\u514d\u8fd9\u4e2a\u9519\u8bef\u7684\u53d1\u751f\u53ef\u4ee5\u901a\u8fc7window\u6765\u8bbf\u95ee\uff0c\u5373const<br \/>\n$ = window.$;\u8fd9\u6837\u7c7b\u4f3c\u7684\u7ed3\u6784\u5c31\u53ef\u4ee5\u8bbf\u95ee\u5230\u5168\u5c40\u53d8\u91cf\uff0c \u5982\u679c\u4f60\u4e0d\u60f3\u901a\u8fc7window\u8bbf\u95ee\u53ef\u4ee5\u5728\u4f7f\u7528\u53d8\u91cf\u7684\u90a3\u4e00\u884c\u4ee3\u7801\u7684\u540e\u9762\u6dfb\u52a0 \/\/<br \/>\neslint-disable-line \u6b64\u6ce8\u91ca\u5373\u53ef<br \/>\n6\uff0c\u6dfb\u52a0bootstrap<\/p>\n<p>https:\/\/react-bootstrap.github.io\/,\u8fd9\u662freact-bootstrap\u7684\u5b98\u7f51<br \/>\nnpm install &#8211;save react-bootstrap bootstrap@3<br \/>\ncss\u8fd8\u8981\u5355\u72ec\u7684\u5f15\u5165\uff0c\u5728src\/index.js\u4e2d\u5bfc\u5165<br \/>\nimport \u2018bootstrap\/dist\/css\/bootstrap.css\u2019<br \/>\nimport \u2018bootstrap\/dist\/css\/bootstrap-theme.css\u2019<br \/>\n\u5728src\/App.js\u4e2d\u5bfc\u5165\u4f60\u81ea\u5df1\u8981\u7684\u7ec4\u4ef6<br \/>\nimport {Navbar,Jumbotron,Button} from \u2018react-bootstrap\u2019<br \/>\n7,\u6dfb\u52a0flow<\/p>\n<p>Flow\u662f\u4e00\u4e2a\u9759\u6001\u6570\u636e\u7c7b\u578b\u68c0\u6d4b\u5de5\u5177\uff0cjs\u7684\u6570\u636e\u7c7b\u578b\u53ef\u4ee5\u968f\u4fbf\u4fee\u6539\uff0c\u5c31\u662f\u7ed9\u4e00\u4e2a\u503c\u8d4b\u503c\u6570\u5b57\uff0c\u7136\u540e\u7ecf\u8fc7\u540e\u53f0\u4f20\u9012\u7684\u6570\u636e\u4fee\u6539\u6210\u4e86\u5b57\u7b26\u4e32\u7248\u7684\u6570\u5b57\uff0c\u5c31\u5bfc\u81f4\u7a0b\u5e8f\u8fd0\u884c\u5931\u8d25\uff0c\u4f46\u662f\u8c37\u6b4c\u4e5f\u4e0d\u62a5\u9519\uff0c<br \/>\nhttp:\/\/flowtype.org\/,\u4e0b\u9762\u662f\u5c06flow\u5f15\u5230react\u4e2d npm install &#8211;save flow-bin<br \/>\n\u5728package.json\u6587\u4ef6\u4e2d\u6dfb\u52a0\u547d\u4ee4 \u201cflow\u201d: \u201cflow\u201d \u8fd0\u884c npm run flow init \u4f1a\u751f\u6210<br \/>\n.flowconfig\u914d\u7f6e\u6587\u4ef6\uff0c\u4e0d\u7528\u52a8\u4ed6 \u7136\u540e\u5728\u4f60\u9700\u8981\u68c0\u6d4b\u7684\u6587\u4ef6\u7684\u9876\u90e8\u6dfb\u52a0 \/\/ @flow 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\/>\n\u8fd9\u4e9b\u73af\u5883\u53d8\u91cf\u5728\u6784\u5efa\u7684\u8fc7\u7a0b\u4e2d\u4f1a\u81ea\u52a8\u66ff\u6362\u6210\u60f3\u8981\u7684\u503c\uff0c\u5982\u679c\u5728\u8fd0\u884c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5728\u9759\u6001\u6587\u4ef6\u4e2d\u4fee\u6539\u6216\u8005\u4f7f\u7528\u73af\u5883\u53d8\u91cf\uff0c\u9879\u76ee\u4e0d\u4f1a\u505a\u51fa\u54cd\u5e94\uff0c\u6240\u4ee5\u4f60\u53ef\u4ee5\u91cd\u65b0\u7f16\u8bd1\u9879\u76ee<br \/>\n\u666e\u901a\u7684\u73af\u5883\u53d8\u91cf\u7684\u521b\u5efa\u5fc5\u987b\u8981\u6dfb\u52a0REACT_APP_\u5f00\u5934\uff0c\u5e76\u4e14\u5176\u4ed6\u7684\u73af\u5883\u53d8\u91cf\u9664\u4e86NODE_ENV\u4ee5\u5916\uff0c\u90fd\u4f1a\u88ab\u5ffd\u7565\uff0c\u8fd9\u662f\u4e3a\u4e86\u907f\u514d\u548c\u7cfb\u7edf\u672c\u673a\u7684\u516c\u94a5\u51b2\u7a81\uff0c\u5982\u679c\u4fee\u6539\u4e86\u73af\u5883\u53d8\u91cf\uff0c\u5fc5\u987b\u91cd\u542f\u4f60\u7684\u9879\u76ee<br \/>\n\u8fd9\u4e9b\u73af\u5883\u53d8\u91cf\u4f1a\u88ab\u5b9a\u4e49\u5728process.env\u4e0a\u9762\uff0c\u6bd4\u5982\u4f60\u6709\u4e00\u4e2a\u73af\u5883\u53d8\u91cf\u53eb\u505aREACT_APP_SECRET_CODE\uff0c\u5f53\u4f60\u5728js\u4e2d\u4f7f\u7528\u5fc5\u987b\u901a\u8fc7process.env.REACT_APP_SECRET_CODE\u624d\u80fd\u8bbf\u95ee\u5230<br \/>\n\u6709\u4e00\u79cd\u5185\u7f6e\u7684\u73af\u5883\u53d8\u91cf\u53eb\u505aNODE_ENV\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7process.env.NODE_ENV\u8bbf\u95ee\u5230\u8fd9\u4e2a\u53d8\u91cf\uff0creact\u4e0d\u5141\u8bb8\u81ea\u5df1\u8bbe\u7f6e\u8fd9\u4e2a\u53d8\u91cf\u7684\u503c\uff0c\u9ed8\u8ba4\u5df2\u7ecf\u8bbe\u7f6e\u597d\u4e86\uff0c\u6709development,test,production\u8fd9\u51e0\u79cd\u60c5\u51b5<br \/>\n\u8fd9\u4e9b\u73af\u5883\u53d8\u91cf\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u5f97\u5230\u8fd0\u884c\u73af\u5883\u7684\u76f8\u5173\u4fe1\u606f\u548c\u9879\u76ee\u672c\u8eab\u4e4b\u5916\u7684\u654f\u611f\u6570\u636e\u4fe1\u606f<br 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