import React from 'react';
export default class StaffItemPanel extends React.Component{
constructor(props) {
super(props);
this.state = {
checkall: false,
checkbox: false
};
handleChange(event) {
var CheckAll = document.getElementById('all');
var CheckBox = document.getElementsByName('box');
const target = event.target;
const value = target.classname === 'all' ? CheckAll.checked : CheckBox.checked;
const classname = target.classname;
if (CheckAll.checked == true)
for (var i = 0; i < CheckBox.length; i++) {
CheckBox[i].checked = false;
};
if (CheckAll.checked == false)
for (var i = 0; i < CheckBox.length; i++) {
CheckBox[i].checked = true;
};
for (var i = 0; i < CheckBox.length; i++) {
if (CheckBox[i].checked == true) {
CheckBox[i].checked = false;
}
else {
CheckBox[i].checked = true;
}
};
this.setState({
classname: value
});
}
render(){
return (
<table>
<thead>
<th> <input type="checkbox" classname='all' onChange={this.handleChange.bind(this)} checked={this.state.checkall} /> </th>
<th className='itemTd'>姓名</th>
<th className='itemTd'>年龄</th>
<th className='itemTd'>身份</th>
<th className='itemTd'>性别</th>
<th className='itemTd'>操作</th>
</thead>
<tbody>
<tr><td className='itemTd'><input type="checkbox" classname='box' checked={this.state.checkbox} onChange={this.handleChange.bind(this)}/></td></tr>
<tr><td className='itemTd'><input type="checkbox" classname='box' checked={this.state.checkbox} onChange={this.handleChange.bind(this)}/></td></tr>
<tr><td className='itemTd'><input type="checkbox" classname='box' checked={this.state.checkbox} onChange={this.handleChange.bind(this)}/></td></tr>
</tbody>
</table>
);
}
}
ReactDOM.render(
<StaffItemPanel />,
document.getElementById('root')
);
Checked的传值出现错误，请问错误在哪，怎么修改
xieming01
#1