本文实例为大家分享了react实现消息显示器的具体代码,供大家参考,具体内容如下
效果
代码实现
完整代码:
import React from 'react'; import styles from './styles.less'; import badgeImg from '@/assets/leftmenu/badgeImg.png'; import router from 'umi/router'; import { connect } from 'dva'; import { Popover, Badge, Button, Modal } from 'antd'; function mapStateToProps({ InformationModel }) { return { InformationModel: InformationModel, }; } @connect(mapStateToProps) class Information extends React.Component { constructor(props) { super(props); this.state = { visible: false, unreadList: [], infoTitle: '', infoContent:'', }; } //渲染前调用 componentWillMount() { } //渲染后调用 componentDidMount() { this.getunreadDatas(); } //调用接口获取未读数据 getunreadDatas() { let { dispatch } = this.props; let userid = localStorage.getItem('userid'); let params = { id: userid, pageNum: 0, pageSize: 0 } dispatch({ type: 'InformationModel/getunreadData', payload: { params: params, callback: this.unreadCallback.bind(this) } }); } //接口回调方法 unreadCallback(e) { this.setState({ unreadList:e }) } //查看详情 showInfo(e) { let { dispatch } = this.props; let userid = localStorage.getItem('userid'); let params = { id:e.id, userId:userid, } //调用接口标记已读 dispatch({ type: 'InformationModel/getreadData', payload: { params: params, callback: this.readCallback.bind(this) } }); this.setState({ infoTitle:e.name, infoContent:e.text }) } //标记接口回调函数 readCallback(e){ this.setState({ visible: true, }); //刷新列表 this.getunreadDatas(); } //显示全部 showAllInfo(){ router.push({ pathname: `/cs/InformationMoreList`, query: { }, }); } //弹框确认按钮 handleOk = e => { console.log(e); this.setState({ visible: false, }); }; //弹框取消按钮 handleCancel = e => { console.log(e); this.setState({ visible: false, }); }; render() { const content = ( <div className={styles.infoTabs}> <div className={styles.infoList}> { this.state.unreadList.map((item,index)=>{ return <div className={styles.infoRow} onClick={this.showInfo.bind(this,item)}> <div className={styles.infoTitle}>{item.name}</div> <div className={styles.infoContent}>{item.text}</div> </div> }) } </div> <div className={styles.showAll}> <Button onClick={this.showAllInfo.bind(this)} className={styles.showAllBtn}>查看全部</Button> </div> </div> ); return ( <React.Fragment> <div className={styles.allBox}> <Popover onMouseEnter={this.getunreadDatas.bind(this)} content={content} title="消息"> <Badge count={this.state.unreadList.length} showZero> <img src={badgeImg}></img> </Badge> </Popover> <Modal title={this.state.infoTitle} visible={this.state.visible} onOk={this.handleOk} onCancel={this.handleCancel} footer={null} > <p>{this.state.infoContent}</p> </Modal> </div> </React.Fragment> ); } } export default Information;
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持阿兔在线工具。