{"id":38300,"date":"2023-10-08T21:06:29","date_gmt":"2023-02-22T01:42:30","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%ae%b0%e5%bd%95%e5%9f%ba%e6%9c%ac%e7%9a%84%e4%ba%8b%e9%a1%b9%e5%9b%9e%e5%ba%94%e3%80%82\/"},"modified":"2024-05-04T03:24:14","modified_gmt":"2024-05-03T19:24:14","slug":"%e8%ae%b0%e5%bd%95%e5%9f%ba%e6%9c%ac%e7%9a%84%e4%ba%8b%e9%a1%b9%e5%9b%9e%e5%ba%94%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e8%ae%b0%e5%bd%95%e5%9f%ba%e6%9c%ac%e7%9a%84%e4%ba%8b%e9%a1%b9%e5%9b%9e%e5%ba%94%e3%80%82\/","title":{"rendered":"\u8bb0\u5f55\u57fa\u672c\u7684\u4e8b\u9879\u56de\u5e94"},"content":{"rendered":"

npm\uff0cyarn<\/h1>\n

JavaScript\u7684\u5305\u7ba1\u7406\u5de5\u5177<\/p>\n

npm\u662fNode.js\u548cReact.js\u4e2d\u4f7f\u7528\u7684\u8f6f\u4ef6\u5305\u7ba1\u7406\u5668\uff0c\u53ef\u4ee5\u5b89\u88c5\u5927\u591a\u6570\u8f6f\u4ef6\u5305\u3002<\/p>\n

Yarn\u662f\u4e00\u4e2a\u5728Facebook\u4e0a\u5f00\u53d1\u7684\u5305\u7ba1\u7406\u5de5\u5177\uff0c\u76f8\u8f83\u4e8enpm\uff0c\u5b83\u5728\u7f13\u5b58\u3001\u5b89\u5168\u6027\u548c\u53ef\u9760\u6027\u65b9\u9762\u6709\u6240\u6539\u5584\u3002\u901a\u8fc7\u8fd0\u884c\u547d\u4ee4npm install -g yarn\uff0c\u53ef\u4ee5\u5b89\u88c5yarn\u5e76\u4f7f\u7528yarn install\u3002<\/p>\n

\uff0a\u4e0b\u8f7d\u5b89\u88c5node.js
\nhttps:\/\/nodejs.org\/en\/download\/releases<\/p>\n

\u9a71\u52a8\u65b9\u5f0f<\/h1>\n

node -v : \u78ba\u8a8d Node.js \u7248\u672c
\nnpm -v : \u78ba\u8a8d npm \u7248\u672c
\nyarn -v : \u78ba\u8a8d yarn \u7248\u672c<\/p>\n

\u5728\u9879\u76ee\u6587\u4ef6\u5939\u4e2d\uff0c\u4f7f\u7528\u547d\u4ee4\u884c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a
\nnpm i -g create-react-app<\/p>\n

\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aabc\u7684\u9879\u76ee\u6587\u4ef6\u5939\uff0c\u7136\u540e\u4f7f\u7528npx create-react-app abc\u3002<\/p>\n

\u8fd0\u884c\u547d\u4ee4yarn start\uff1a\u542f\u52a8React\u670d\u52a1\u5668\u3002
\n\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95eelocalhost:3000\u4ee5\u786e\u8ba4\u9875\u9762\u3002
\nsrc\/index.js\uff1a\u5220\u9664\u6807\u7b7e\u5e76\u6d88\u9664\u591a\u6b21\u6267\u884c\u751f\u547d\u5468\u671f\u51fd\u6570\u7684\u539f\u56e0\u3002<\/p>\n

\u5f53\u6d89\u53ca\u5230React\u65f6\uff0c
\n\u8fdb\u884cnpm i\u5b89\u88c5
\n\u8fd0\u884cnpm start<\/p>\n

\u5bf9\u4e8e react, node \u9879\u76ee\uff0c\u53ef\u4ee5\u9009\u62e9\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u63cf\u8ff0\uff1a<\/p>\n

\u5728\u4e24\u4e2a\u8def\u5f84\u4e0b\u6267\u884c npm i\uff08\u6216 yarn i\uff09\u547d\u4ee4\uff1a\u5c06 package.json \u6587\u4ef6\u4e2d\u7684\u4f9d\u8d56\u5217\u8868\u5b89\u88c5\u3002
\n\u6267\u884c yarn dev \u547d\u4ee4\uff1a\u540c\u65f6\u542f\u52a8 react\u3001node \u670d\u52a1\u5668\u3002<\/p>\n

JSX\u662f\u4e00\u79cd\u7c7b\u4f3cHTML\u7684\u6269\u5c55\u8bed\u6cd5\uff0c\u53ef\u4ee5\u7528\u4e8e\u63cf\u8ff0JavaScript\u7684\u4ee3\u7801\u3002<\/p>\n

\u751f\u547d\u7684\u5faa\u74b0<\/h1>\n

\u4ee5\u4e0b\u662f\u4e2d\u6587\u7684\u91ca\u4e49\u9009\u9879\uff1a
\n1\uff1a\u53ea\u6709\u4e00\u6b21
\n2\uff1a\u5728\u6784\u9020\u51fd\u6570\u4e4b\u540e
\n3\uff1a-
\n4\uff1a\u5728\u6700\u540e\u6267\u884c
\n5\uff1a\u5728\u72b6\u6001\u6539\u53d8\u65f6\u6267\u884c<\/p>\n

1 => 2 => 3 => 4 => 2 => 5 => 3
\n\u987a\u5e8f\u4e3a\uff1a1 => 2 => 3 => 4 => 2 => 5 => 3<\/p>\n

class Lifecycle extends Component {\r\n    \/\/ 1\r\n\tconstructor(props) {\r\n        ...\r\n\t}\r\n\r\n    \/\/ 2\r\n    static getDerivedStateFromProps(props, state) {\r\n        ...\r\n\t}\r\n\r\n    \/\/ 3\r\n\trender() {\r\n        ...\r\n\t}\r\n\r\n    \/\/ 4\r\n\tcomponentDidMount() {\r\n\t\t\/\/ setState\u3067 state\u3092\u8a2d\u5b9a\r\n\t\tthis.setState({\r\n            ...\r\n\t\t});\r\n\t\t\/\/ \u3053\u308c\u3067 shouldComponentUpdate \u304c\u5b9f\u884c\u3055\u308c\u308b\r\n\t}\r\n\r\n    \/\/ 5\r\n\tshouldComponentUpdate(props, state) {\r\n        ...\r\n\t\treturn true;\r\n\t\t\/\/ return \u304ctrue\u3067\u3042\u308b\u305f\u3081\u3001 render \u304c\u3082\u3046\u4e00\u5ea6\u5b9f\u884c\u3055\u308c\u308b\r\n\t}\r\n}\r\n<\/code><\/pre>\n
jQuery \u7684\u7528\u6cd5<\/h1>\n
\u5b89\u88c5jQuery\uff1anpm\u5b89\u88c5jquery<\/p>\n
...\r\nimport $ from 'jquery';\r\n...\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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