VUE 路由组件左右滑动切换（移动端）

<template>
	<div id="headed">
		
		<ul class="tab">
			<li>
                <!-- @click="jump(index) 
                     index: 切换颜色   代表切换的路由文件
                     :class="{‘active_color‘: index==0}
                     当index等于0的时候显示第一个，index：1 切换排球

                -->
				<div class="body_bottom" @click="jump(0)" :class="{‘active_color‘: index==0}">篮球</div>
			</li>
			<li>
				<div class="body_bottom" @click="jump(1)" :class="{‘active_color‘: index==1}">排球</div>
			</li>
			<li>
				<div class="body_bottom" @click="jump(2)" :class="{‘active_color‘: index==2}">足球</div>
			</li>
		</ul>
		<div class="line"></div>
        <!-- 是否滑动 
             boxNum：代表有几个路由组件
             marginLeft：偏移量
        -->
		<div :class="{shift: isMove}" :style="{width: boxNum * 360 + ‘px‘, marginLeft: marginLeft + ‘px‘}"
			 @touchstart="start($event)"
             @touchmove="move($event)"
             @touchend="end($event)"	
		>
            <!-- 三个路由组件放置的地方 -->
			<introduce></introduce>
			<agenda></agenda>
			<member></member>
		</div>
	</div>
</template>

<script>
	import Introduce from "./introduce.vue"
	import Agenda from "./agenda.vue"
	import Member from "./Member.vue"
	
	export default{
		data(){
			return {
				tabNum: 1, // tab 切换的页面宽度 ( 通过接口的数据计算 )
				index: 0, // 选中了第几个选项卡
				boxNum: 1, // 容器宽度
                marginLeft: 0, // 偏移量
                isMove: true, // 是否在滑动
                startX: 0, startY: 0, moveX: 0, movrY: 0, endX: 0, endY: 0,
                m_sX: 0, m_sY: 0, e_sX: 0, e_xY: 0, sML: 0
			}
		},
		methods: {
			jump(index){
				this.index = index;
			},
			start (ev) {
                ev.stopPropagation();
                this.isMove = false;
                this.startX = ev.changedTouches[0].clientX;
                this.startY = ev.changedTouches[0].clientY;
                this.sML = this.marginLeft;
            },
            move (ev) {
                ev.stopPropagation();
                this.moveX = ev.changedTouches[0].clientX;
                this.moveY = ev.changedTouches[0].clientY;
                this.m_sX = this.moveX - this.startX;
                this.m_sY = this.moveY - this.startY;
                var marginLeft = this.sML + this.m_sX;
				
                marginLeft = marginLeft > 0 ? 0 : marginLeft;
                marginLeft = marginLeft < 360 - this.boxNum * 360 ? 360 - this.boxNum * 360 : marginLeft;
                this.marginLeft = marginLeft;
            },
            end (ev) {
                this.isMove = true;
                if(Math.abs(this.m_sX) > Math.abs(this.m_sY) && Math.abs(this.m_sX) > 60) {
                    var multiple = this.m_sX > 0 ? -1 : 1;
                    var index = this.index + multiple;
                    index = index < 0 ? 0 : index;
                    index = index > this.boxNum - 1 ? this.boxNum - 1 : index;
                    this.index = index;
                } else {
                    this.marginLeft = 0 - this.index * 360;
                }
            }
		},
		mounted(){
            //路由组件的数量
            this.boxNum = 3;
		},
		components: {
            //组件的名称
            Introduce, Agenda, Member
        },
        watch: {
            index: function (newValue, oldValue) {
                this.marginLeft = 0 - this.index * 360;
                
            }
        }
	}
</script>

<style scoped="scoped">
	#headed{
		width: 360px;
		overflow: hidden;
	}
	.line{
		width: 100%;
		height: 1px;
		background-color: #e6e6e6;
		margin-top: -2px;
	}
	.tab{
		overflow: hidden;
		padding: 0;
		margin: 0;
		height: 45px;
		line-height: 45px;
	}
	.tab li{
		float: left;
		list-style: none;
		width: 33.3%;
		text-align: center;
	}
	.body_bottom{
		width: 30px;
		height: 42px;
    	margin: 0 auto;
    	text-align: center;
    	font-size: 13px;
	}
	.active_color{
		color: #d22330;
		border-bottom: 2px solid #d22330 !important; 
	}
	.shift {
        transition-property: margin-left;
        transition-duration: 1s;
    }
</style>