<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>React</title>
<script src="https://unpkg.com/react@15.3.2/dist/react.js"></script>
<script src="https://unpkg.com/react-dom@15.3.2/dist/react-dom.js"></script>
<script src="https://unpkg.com/babel-core@5.8.38/browser.min.js"></script>
<style>
.process-bar{
border:1px solid #ccc;
height:20px;
border-radius:4px;
}
.process{
height:20px;
line-height:20px;
text-align:center;
background:#a1b2c3;
}
</style>
</head>
<body>
<div id="example">
<!-- <div class="process-bar">
<div class="process">
50%
</div>
</div> -->
</div>
<script type="text/babel">
var ProcessBar = React.createClass({
render : function() {
var width = parseInt(this.props.percent)+"%";
return (
<div className="process-bar">
<div className="process" style={{width}}>
{this.props.percent}%
</div>
</div>)
}
});
//直接渲染组件
//ReactDOM.render(<ProcessBar percent="40" />, document.getElementById("example"));
//启动一个组件和定时器， 每一百毫秒重新渲染组件；
var per = 0;
setInterval(function() {
per++;
if(per>=101)per=0;
ReactDOM.render(<ProcessBar percent={per} />, document.getElementById("example"));
},100)
</script>
</body>
</html>