React 表单受控组件

<!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 FormComponent = React.createClass({
getInitialState:function(){
return {
user_name:'web1609',
user_sex:'1',
user_isAgree:true
};
},
handleSubmit:function(event){
event.preventDefault();
console.log(this.state);
},
handleChangeName:function(event){
this.setState({user_name:event.target.value})
},
handleChangeSex:function(event){
this.setState({user_sex:event.target.value})
},
handleChangeIsAgree:function(event){
this.setState({user_isAgree:event.target.checked})
},
render:function(){
return <form onSubmit={this.handleSubmit}>
<label htmlFor="userName">请输入用户名</label>
<input value={this.state.user_name}
onChange={this.handleChangeName}
type="text" id="userName"/>
<br/>
<label htmlFor="userSex">请选择性别</label>
<select id="userSex"
value={this.state.user_sex}
onChange={this.handleChangeSex}>
<option value="1">男</option>
<option value="0">女</option>
</select>
<br/>
<label htmlFor="userIsAgree">是否同意本站协议</label>
<input type="checkbox"
checked={this.state.user_isAgree}
onChange={this.handleChangeIsAgree}
id='userIsAgree'/>
<br/>
<input type="submit" value='注册'/>
</form>
}
})

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

</script>

</body>
</html>
原文地址:https://www.cnblogs.com/dianzan/p/7324269.html