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  • 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{
         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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  • 原文地址:https://www.cnblogs.com/yjgbk/p/9773375.html
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