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processBar.html
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processBar.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>processBar</title>
<link rel="stylesheet" href="css/bootstrap-theme.min.css"/>
<link rel="stylesheet" href="css/bootstrap.min.css"/>
<script src="js/react-0.14.0.js"></script>
<script src="js/react-dom-0.14.0.js"></script>
<script src="js/jquery.js"></script>
<script src="js/browser.min.js"></script>
<script src="js/signals.js"></script>
<script src="js/bootstrap.min.js"></script>
<style>
#exm{margin:20px 0px;height:100px;border:1px solid #000;width:30%;}
.progress-bar{width:60%;}
</style>
</head>
<body>
<div id="exm"></div>
<div id="exm2"></div>
<script type="text/babel">
//设置数据广播
var broadData=new signals.Signal(); //全局数据广播对象
var datas={}; //总数据对象
var ProcessBar=React.createClass({
getInitialState:function(){
return {
initValue:0, //初始值
endValue:0, //终值
totalValue:100 , //总值
};
},
getPer:function(){
var that=this;
broadData.add(function(data){ //收听到数据
that.setState({
endValue:data.curValue,
});
});
var per=(this.state.endValue-this.state.initValue)/this.state.totalValue *100+"%";
return per;
},
render:function(){
var barStyle={
width:this.getPer(),
};
return(
<div className="progress">
<div className="progress-bar" style={barStyle}>{this.getPer()}</div>
</div>
);
}
});
//输入框
var Input=React.createClass({
getEndValue:function(){
var curValue=this.refs.endValue.value;
if(curValue <= 0) curValue=0;
if(curValue >=100) curValue=100;
datas.curValue=curValue; //将curValue放入总数居对象
broadData.dispatch(datas); //发布数据
},
render:function(){
return (
<div>
<input type="text" ref="endValue" placeholder="请输入值" onChange={this.getEndValue}/>
</div>
);
}
});
ReactDOM.render( //input框要先于进度条渲染
<Input/>,
document.getElementById("exm2")
);
ReactDOM.render(
<ProcessBar/>,
document.getElementById("exm")
);
</script>
</body>
</html>