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function wxToPromise(method, options = {}) { return new Promise((resolve, reject) => { options.success = resolve options.fail = err => { reject(err) } 阅读全文
posted @ 2021-08-11 21:55
13522679763-任国强
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import React, { Component } from 'react' export default class App extends Component { constructor(props){ super(props) this.state = { counter:0, name: 阅读全文
posted @ 2021-08-11 17:29
13522679763-任国强
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import React, { Component } from 'react' export default class App extends Component { constructor(props){ super(props) this.state = { counter:0 } } re 阅读全文
posted @ 2021-08-11 17:02
13522679763-任国强
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import React, { Component } from 'react' export default class App extends Component { constructor(props){ super(props) this.state = { counter:0 } } re 阅读全文
posted @ 2021-08-11 16:33
13522679763-任国强
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import React, { Component } from 'react' const userContext = React.createContext({ nickname:'AAA', level:0 }) class ProfileHeader extends Component{ r 阅读全文
posted @ 2021-08-11 14:40
13522679763-任国强
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import React, { Component } from 'react' // props 从上向下一层一层传递 function ProfileHeader(props){ console.log(props); return ( <div> <h2>用户昵称: {props.nickna 阅读全文
posted @ 2021-08-11 14:27
13522679763-任国强
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import React, { Component } from 'react' // import NavBar from './NavBar' import NavBar2 from './NavBar-2' export default class App extends Component 阅读全文
posted @ 2021-08-11 13:48
13522679763-任国强
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app.js import React, { Component } from 'react' import TabControll from './tabControll' export default class App extends Component { constructor(props 阅读全文
posted @ 2021-08-11 12:10
13522679763-任国强
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<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="wi 阅读全文
posted @ 2021-08-11 09:15
13522679763-任国强
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