React 表单refs

<!DOCTYPE html>
<html>
<head lang="en">
  <meta charset="UTF-8">
  <title></title>
  <script src="js/react.js"></script>
  <script src="js/react-dom.js"></script>
  <script src="js/browser.min.js"></script>
</head>
<body>
<div id="example"></div>

<script type="text/babel">

  var MyComponent = React.createClass({
    handleClick:function(){
      console.log(
      parseInt(this.refs.num1.value)+
      parseInt(this.refs.num2.value));
    },
    render:function(){
      return <div>
      <input type="text" ref='num1'/>
      <br/>
      <input type="text" ref='num2'/>
      <br/>
      <button onClick={this.handleClick}>求和</button>
      </div>
    }
  })

  ReactDOM.render(
  <MyComponent/>,
  document.getElementById('example')
  )

</script>

</body>
</html>
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React 表单refs

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