Vue仿QQ左滑删除组件功能

  
滑动组件
  

    

      

        
        

          
{{item.title}}
          
{{item.tips}}
          
{{item.time}}
        
      
      
删除
    
  

.page-title{
  text-align: center;
  font-size: 17px;
  padding: 10px 15px;
  position: relative;
}
.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-box{
  padding: 0.2rem;
  background: #fff;
  display: flex;
  align-items: center;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  justify-content: flex-end;
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  font-size: 0;
}
.list-item .list-img{
  display: block;
  width: 1rem;
  height: 1rem;
}
.list-item .list-content{
  padding: 0.1rem 0 0.1rem 0.2rem;
  position: relative;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  overflow: hidden;
}
.list-item .title{
  display: block;
  color: #333;
  overflow: hidden;
  font-size: 15px;
  font-weight: bold;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.list-item .tips{
  display: block;
  overflow: hidden;
  font-size: 12px;
  color: #999;
  line-height: 20px;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.list-item .time{
  display: block;
  font-size: 12px;
  position: absolute;
  right: 0;
  top: 0.1rem;
  color: #666;
}
.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;
}

export default{
 name: 'index',
 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 : '习近平代表的两会故事' ,
   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