本文例項為大家分享了react實現複選框全選和反選元件的具體程式碼，供大家參考，具體內容如下

執行效果圖如下：

程式碼：

import React,{ Component } from 'react';
import { withRouter } from 'react-router-dom';
// import Menu from '../menu/Menu.jsx';
class List extends Component {
 constructor () {
 super();
 this.state = {
  title: '我是List的標題',content: '我是內容部分部分',chooseAll: false,// 全選標誌
  inters: ['bsball','ymball','fbball'],// 頁面載入預設選中項
  intersAll: ['bsball','ppball',fchoose: false // 正反選標誌
 };
 }
 // 全選
 chooseAll (event) {
 let {checked,value} = event.target;
 let chooseAll = this.state.inters.length === 4 ? true : false;
 let inters = ['bsball','fbball'];
 checked ? (
  this.setState({
  inters,chooseAll: checked
  })
 ) : (
  this.setState({
  inters: [],chooseAll: checked
  })
 );
 }
 // 點選複選框
 chooseInter (event) {
 let val = event.target.value;
 let checked = event.target.checked;
 let {inters} = this.state;
 // event.stopPropagation();
 // 選中複選框並且值不在數組裡面
 if (checked && !this.state.inters.includes(val)) {
  inters.push(val);
 } else {
  // 取消選中的選項
  inters = inters.filter(v => val !== v);
 }
 let chooseAll = inters.length === 4 ? true : false;
 console.log(inters);
 this.setState({
  inters,chooseAll
 });
 }
 // 反選處理
 fchooseHandle (event) {
 let {checked,value} = event.target;
 let {inters,intersAll} = this.state;
 let chooseAll = this.state.inters.length === 4 ? true : false;
 let arr = []; // 反選結果
 this.setState({
  fchoose: checked,chooseAll
 });
 intersAll.forEach(item => {
  if (!inters.includes(item)) {
  arr.push(item);
  }
 });
 this.setState({
  inters: arr
 });
 }
 componentWillMount () {
 let chooseAll = this.state.inters.length === 4 ? true : false;
 this.setState({
  chooseAll
 });
 }
 render () {
 return (
  <div className="list">
  {/* <Menu /> */}
  <h1>{this.state.title}</h1>
  <p>{this.state.content}</p>
  <p>
   <label>
   <input type="checkbox" value="bsball" checked={this.state.fchoose} onClick={this.fchooseHandle.bind(this)}/>{this.state.fchoose ? '取消反選' : '反選'}
   </label>
   <label>
   <input type="checkbox" value="bsball" checked={this.state.chooseAll} onClick={this.chooseAll.bind(this)}/>{this.state.chooseAll ? '取消全選' : '全選'}
   </label>
  </p>
  <p>
   <label>
   <input type="checkbox" value="bsball" checked={this.state.inters.includes('bsball')} onClick={this.chooseInter.bind(this)}/>籃球
   </label>
   <label>
   <input type="checkbox" value="ymball" checked={this.state.inters.includes('ymball')} onClick={this.chooseInter.bind(this)}/>羽毛球
   </label>
   <label>
   <input type="checkbox" value="ppball" checked={this.state.inters.includes('ppball')} onClick={this.chooseInter.bind(this)}/>兵乓球
   </label>
   <label>
   <input type="checkbox" value="fbball" checked={this.state.inters.includes('fbball')} onClick={this.chooseInter.bind(this)}/>足球
   </label>
  </p>
  </div>
 );
 }
}
export default withRouter(List); 

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支援我們。