vue插件draggable实现拖拽移动图片顺序

例如图片显示的这种图片列表、商品展示需要拖动图片改变顺序，vuedraggable可以实现拖拽。

首先，

npm i vuedraggable

然后在组件中引入，

import draggable from 'vuedraggable';

定义组件，

components: { draggable, },

标签中应用，

<ul> <draggable v-model="hotVOList" :options="{animation: 60,}" :move="getdata" @update="datadragEnd"> <li v-for="(child,index) in hotVOList" :key="index"> <img :src="child.picServerUrl1" alt=""> <div></div> <!-- <div> <span @click="eidtBanner(child.id)">编辑</span> <span @click="delateBanner(child.id)">删除</span> </div> --> <img v-if="child.flag == 1" src="" alt="" @click="selectProd(child.decorateId)"> <img v-else-if="child.flag == 2" src="" @click="selectProd2(child.decorateId)" alt=""> <div v-if="child.property == 1"> <span>{{ child.goodsName }}</span> <p><span>低至</span>￥{{ child.lowestPrice }}</p> </div> <div v-else> <span>{{ child.goodsName }}</span> <p> <img src="" alt=""> <span>{{ child.browseNum }}</span> <img src="" alt=""> <span>{{ child.thumbNum }}</span> </p> </div> </li> </draggable> </ul>

方法，

getdata (data) { }, datadragEnd (evt) { var oneId = ""; var otherId = ""; // console.log('datadragEnd方法'); console.log('拖动前的索引 :' + evt.oldIndex) console.log('拖动后的索引 :' + evt.newIndex) if(evt.newIndex == this.hotVOList.length - 1 && this.pageData.pageNum < Math.ceil(this.pageData.total/10)){ this.$api.get("/mallConfig/hot_goods_list/" + this.addHotMallID,{ pageNum:this.pageData.pageNum+1, pageSize:this.pageData.pageSize }, su => { if (su.httpCode == 200) { this.newHotVOList = su.data.hotVOList; oneId = su.data.hotVOList[0].decorateId; otherId = this.hotVOList[evt.newIndex].decorateId; this.$api.get( "/mallConfig/hot_product/exchage_turn/" + this.addHotMallID, { oneId: oneId, otherId :otherId, }, su => { if (su.httpCode == 200) { this.getBodyList(this.addHotMallID); } }, err => {}, { accessToken: sessionStorage.getItem("accessToken") } ); } }, err => {}, { accessToken: sessionStorage.getItem("accessToken") }) } else if(evt.newIndex == this.hotVOList.length - 1 && this.pageData.pageNum == Math.ceil(this.pageData.total/10)){ otherId = this.hotVOList[evt.newIndex].decorateId; oneId = -1; this.$api.get( "/mallConfig/hot_product/exchage_turn/" + this.addHotMallID, { oneId: oneId, otherId :otherId, }, su => { if (su.httpCode == 200) { this.getBodyList(this.addHotMallID); } }, err => {}, { accessToken: sessionStorage.getItem("accessToken") } ); } else { otherId = this.hotVOList[evt.newIndex].decorateId; oneId = this.hotVOList[evt.newIndex + 1].decorateId; this.$api.get( "/mallConfig/hot_product/exchage_turn/" + this.addHotMallID, { oneId: oneId, otherId :otherId, }, su => { if (su.httpCode == 200) { this.getBodyList(this.addHotMallID); } }, err => {}, { accessToken: sessionStorage.getItem("accessToken") } ); } },

datadragEnd是调换结束调用的，里面可以根据需求处理一些数据。