Vue 仿QQ左滑删除组件

html

<template>
	<div class="container">
    <div class="page-title">滑动组件</div>
    <ul>
        <li class="list-item " v-for="(item,index) in list " data-type="0">
            <div class="list-box" @touchstart.capture="touchStart" @touchend.capture="touchEnd" @click="skip">
                <img class="list-img" :src="item.imgUrl" alt="">
                <div class="list-content">
                    <p class="title">{{item.title}}</p>
                    <p class="tips">{{item.tips}}</p>
                    <p class="time">{{item.time}}</p>
                </div>
            </div>
            <div class="delete" @click="deleteItem" :data-index="index">删除</div>
        </li>
    </ul>
</div>
 
 </template>

  script

<script> 
	 export default{ 
	data () {
		return {
			list : [
				{
					title : 'Chrome更新了' ,
					imgUrl : './static/images/Chrome.png' ,
					tips : '不再支持Flash视频播放' ,
					time : '上午 8:30'
				},
				{
					title : '电影新资讯' ,
					imgUrl : './static/images/Sina.png' ,
					tips : '电影《红海行动》上映以来票房暴涨,很多国人表示对国产电影有了新的改观' ,
					time : '上午 12:00'
				},
                {
					title : '聚焦两会·共筑中国梦' ,
					imgUrl : './static/images/video.png' ,
					tips : ' 代表的两会故事' ,
					time : '下午 17:45'
                },
                {
					title : '微信团队' ,
					imgUrl : './static/images/Wechat.png' ,
					tips : '您的帐号有异常登录,如非本人操作,请及时修改密码' ,
					time : '昨天'
                }
			],
			startX : 0 ,
			endX : 0 ,
		}
	},
	methods : {
		//跳转
		skip(){
			if( this.checkSlide() ){
				this.restSlide();
            }else{
				alert('You click the slide!')
            }
		},
		//滑动开始
		touchStart(e){
		    // 记录初始位置
			this.startX = e.touches[0].clientX;
		},
		//滑动结束
		touchEnd(e){
                        // 当前滑动的父级元素
			let parentElement = e.currentTarget.parentElement;
			// 记录结束位置
			this.endX = e.changedTouches[0].clientX;

                        // 左滑
			if( parentElement.dataset.type == 0 && this.startX - this.endX > 30  ){
				this.restSlide();
				parentElement.dataset.type = 1;
			}

                        // 右滑
			if( parentElement.dataset.type == 1 && this.startX - this.endX < -30 ){
				this.restSlide();
				parentElement.dataset.type = 0;
			}

			this.startX = 0;
			this.endX = 0;
		},
        //判断当前是否有滑块处于滑动状态
        checkSlide(){
			let listItems = document.querySelectorAll('.list-item');

			for( let i = 0 ; i < listItems.length ; i++){
				if( listItems[i].dataset.type == 1 ) {
					return true;
                }
			}
			return false;
        },
		//复位滑动状态
		restSlide(){
			let listItems = document.querySelectorAll('.list-item');
                         // 复位
			for( let i = 0 ; i < listItems.length ; i++){
				listItems[i].dataset.type = 0;
			}
		},
		//删除
		deleteItem(e){
		    // 当前索引
			let index = e.currentTarget.dataset.index;
			// 复位
			this.restSlide();
			// 删除
			this.list.splice(index,1);
		}
	}
}

</script>

  css

<style type="text/css">
 	.page-title{
    text-align: center;
    font-size: 17px;
    padding: 10px 15px;
    position: relative;
}
.container ul{
	overflow: hidden;
}
.page-title:after{
    content: " ";
    position: absolute;
    left: 0;
    bottom: 0;
    right: 0;
    height: 1px;
    border-bottom: 1px solid #ccc;
    color: #ccc;
    -webkit-transform-origin: 0 100%;
    transform-origin: 0 100%;
    -webkit-transform: scaleY(0.5);
    transform: scaleY(0.5);
    z-index: 2;
}
.list-item{
    position: relative;
    height: 1.6rem;
    -webkit-transition: all 0.2s;
    transition: all 0.2s;
}
.list-item[data-type="0"]{
    transform: translate3d(0,0,0);
}
.list-item[data-type="1"]{
    transform: translate3d(-2rem,0,0);
}
.list-item:after{
    content: " ";
    position: absolute;
    left: 0.2rem;
    bottom: 0;
    right: 0;
    height: 1px;
    border-bottom: 1px solid #ccc;
    color: #ccc;
    -webkit-transform-origin: 0 100%;
    transform-origin: 0 100%;
    -webkit-transform: scaleY(0.5);
    transform: scaleY(0.5);
    z-index: 2;
} 
  
.list-item .delete{
    width: 2rem;
    height: 1.6rem;
    background: #ff4949;
    font-size: 17px;
    color: #fff;
    text-align: center;
    line-height: 1.6rem;
    position: absolute;
    top:0;
    right: -2rem;
}

 
 </style>
  

效果图:https://user-gold-cdn.xitu.io/2018/3/10/1620e8ebb62c27ba?imageslim
转自:https://juejin.im/post/5aa3771af265da23771904d4

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转载自www.cnblogs.com/yjgbk/p/9773375.html