<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no"/>
<title>Title</title>
<link rel="stylesheet" href="react/mui.min.css">
<script src="react/react.js"></script>
<script src="react/react-dom.js"></script>
<script src="https://cdn.staticfile.org/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
<div id="app"></div>
<script type="text/babel">
class LoginForm extends React.Component {
constructor(props) {
super(props)
this.state = {
name: 'name',
pwd: 'pwd'
}
this.handleSubmit = this.handleSubmit.bind(this)
this.handChange = this.handChange.bind(this)
}
handleSubmit(event) {
//阻止默认行为
event.preventDefault()
//console.log(event.target)
const name = this.nameInput.value
const pwd = this.state.pwd
console.log('输入框的值', name, pwd)
}
handChange(event) {
console.log('handChange', event.target.value)
//读取值
const pwd = event.target.value;
//设置值
this.setState({pwd})
}
render() {
return (
<div>
<form action="http://www.baidu.com" onSubmit={this.handleSubmit}>
<input type="text" ref={input => this.nameInput = input}/>
<input type="text" value={this.state.pwd} onChange={this.handChange}/>
<input type="submit" value="提交"/>
</form>
</div>
)
}
}
ReactDOM.render(<LoginForm/>, document.getElementById('app'));
</script>
</body>
</html>
