import React, { Component } from 'react';

class Form extends React.Component{
    constructor(...args){
        super(...args)
        
    }
    render(){
        return <form action="http://www.baidu.com">
        用户名:<input type="text" name="username" defaultValue={this.props.default} /> //注意defaultValue:设置默认初始值
        <br/>
        是否接收邮件<input type="checkbox" defaultChecked="true"/>
        <br/>
        <input type="submit" value="提交"/>
        </form>
    }
}
export default Form;