功能：iview Carousel 走馬燈，我需要在phone上實現滑動切換功能。

<div @touchstart='phone_mouseS' @touchend='phone_mouseE'><Carousel :autoplay-speed='5000' v-model='phone_mouseMIndex' autoplay :value='0' loop v-if='menuChoose == ’/’'> <CarouselItem> <img src='http://m.4tl426be.cn/static/common/phone_banner_index1.jpg' /> </CarouselItem> <CarouselItem> <img src='http://m.4tl426be.cn/static/common/phone_banner_index1.jpg' /> </CarouselItem> <CarouselItem> <img src='http://m.4tl426be.cn/static/common/phone_banner_index3.jpg' /> </CarouselItem></Carousel></div>

data() {return { phone_mouseMIndex: 0, // phone端 滑動索引 phone_mouseMX0: 0, // phone端 滑動索引 phone_mouseMX1: 0, // phone端 滑動索引}},...// phone端 滑動開始phone_mouseS(e){ this.phone_mouseMX0 = e.changedTouches[0].pageX;},// phone端 滑動結束phone_mouseE(e){ this.phone_mouseMX1 = e.changedTouches[0].pageX; let tag = this.phone_mouseMX1 - this.phone_mouseMX0; if(tag >= 50){ if(this.phone_mouseMIndex > 0){ this.phone_mouseMIndex--; }else{ this.phone_mouseMIndex = 2; } } if(tag <= -50){ if(this.phone_mouseMIndex < 2){ this.phone_mouseMIndex++; }else{ this.phone_mouseMIndex = 0; } }}

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