代码如下:复制就可以用了
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<style>
.tab_con3 {
width: 600px;
/* margin: 0 auto; */
}
.abb {
height: 40px;
overflow: hidden;
margin-bottom: 10px;
}
.abb li {
float: left;
height: 40px;
line-height: 40px;
color: #000;
background :#f1f1f1;
/* border:1px solid #000; */
width: 110px;
text-align: center;
/* cursor: pointer; */
margin-right: 40px;
}
.acc li {
height: 260px;
/* border: 1px solid skyblue; */
display: none;
}
.acc .current {
display: block;
/* background-color: rgb(236, 236, 236); */
text-align: center;
line-height: 100px;
border: 1px #000 solid;
}
.abb .cur3 {
background: rgb(102, 255, 0);
}
</style>
<script src="./js/browser.js"></script>
<script src="./js/react.js"></script>
<script src="./js/react-dom.js"></script>
</head>
<body>
<div id="ball"></div>
<script type="text/babel">
let rooter = document.querySelector("#ball");
class Table extends React.Component {
constructor(props) {
super(props);
this.state = {
current: 1
}
}
tabFn(index) {
this.setState({
current: index
})
}
clsFn(index, curCls, cls) {
let { current } = this.state;
return current === index ? curCls : cls;
}
componentDidMount() {
this.tabFn(1)
}
render() {
let { current } = this.state;
return (
<div>
<div className='tab_con3'>
<ol className='abb'>
<li onClick={() => { this.tabFn(1) }} className={this.clsFn(1, 'cur3', '')}>第一页</li>
<li onClick={() => { this.tabFn(2) }} className={this.clsFn(2, 'cur3', '')}>第二页</li>
<li onClick={() => { this.tabFn(3) }} className={this.clsFn(3, 'cur3', '')}>第三页</li>
</ol>
<ul className='acc'>
<li className={this.clsFn(1, 'current', '')}>第一页</li>
<li className={this.clsFn(2, 'current', '')}>第二页</li>
<li className={this.clsFn(3, 'current', '')}>第三页</li>
</ul>
</div>
</div>
);
}
}
ReactDOM.render(<Table />, rooter);
</script>
</body>
</html>