npm install jquery
引入
import $ from ‘jquery’
import React from 'react';
import './css/App.css'
import { Button } from 'antd';
import $ from 'jquery'
let slider_img =[
'https://cdn.jsdelivr.net/gh/xaoxuu/cdn-wallpaper/abstract/41F215B9-261F-48B4-80B5-4E86E165259E.jpeg'
,"https://cdn.jsdelivr.net/gh/xaoxuu/cdn-wallpaper/abstract/B18FCBB3-67FD-48CC-B4F3-457BA145F17A.jpeg"
]
class App extends React.Component{
constructor(props) {
super(props)
this.state = {
}
}
componentWillMount(){
console.log(' CompontWillMount: 组件将要渲染')
}
componentDidMount(){
window.addEventListener('resize', this.handleResize.bind(this))
}
componentWillUnmount() { // 防止 this混乱 去掉this
window.removeEventListener('resize', this.handleResize.bind(this))
}
handleResize(e){
$('.App-slideshow').css({
// marginLeft: document.body.clientWidth*0.3+"px"
})
console.log($('.App-slideshow'));
console.log( document.body.offsetWidth );
console.log( document.body.clientWidth);
}
render(){
return (
<header className="App-slideshow">
<div className = "slideshow_item">
<img src= {slider_img[0] } alt="this is img" />
</div>
</header>
);
}
}
export default App;