react html 控件 事件

1、select (onChange)

handChange (val) {    console.log('selected', val.target.value);}<select onChange={this.handChange.bind(this)}>          <option value ="volvo">Volvo</option>          <option value ="saab">Saab</option>          <option value="opel">Opel</option>          <option value="audi">Audi</option></select>

2、input (onChange)

<input onChange={thishandleEmail}/>

3、button(onClick)

<button onClick={this.handClick}>按钮</button>