vue 多层循环,包含tab切换
需实现功能:
1.多层循环
2.每层循环包含(或不包含)tab 切换
3.tab切换,每层循环是独立的。
如图所示:
html部分
<div class="box" v-for="(items,index) in list" :key="index"> <div class="box-top"> <div class="box-left"> <img :src="items.img"/> <span>{{items.title}}</span> </div> <div class="more" ref="more" @click="loadMore(index)">查看更多</div> </div> <div v-if="items.tab && items.tab.length>0" > <div class="tab">{{items.current}} <div class="tab-ceil" ref="tabs" v-for="(item,menu_index) in items.tab" :key="menu_index" :class="items.current == menu_index?'active':''" @click="tabFun(index,menu_index)"> <img v-if="items.current == menu_index" :src="item.actImg"/> <img v-else :src="item.img"/> <span>{{item.text}}</span> </div> </div> <div class="list" ref="list"> <div class="list-ceil" v-for="(ite,ind) in items.imgs[items.current].info" :key="ind"> <img :src="ite"/> </div> </div> </div> <div class="list" v-else ref="list" > <div class="list-ceil" v-for="(item,img_index) in items.imgs" :key="img_index"> <img :src="item"/> </div> </div> </div>
js部分中的data
list:[ { title:'境内用卡优惠集锦', img:'img/icon_food.png', current:0, //单个循环中,tab的选中值 tab:[ //每个tab对应img下面的info {img:"img/icon_s_1.png",actImg:'img/icon_s_1_act.png',text:'出行类'}, {img:"img/icon_s_2.png",actImg:'img/icon_s_2_act.png',text:'餐饮类'}, {img:"img/icon_s_3.png",actImg:'img/icon_s_3_act.png',text:'商超类'}, {img:"img/icon_s_4.png",actImg:'img/icon_s_4_act.png',text:'新客类'}, ], imgs:[ {info:['img/card1.jpg','img/img1.png','img/img1.png','img/img1.png']}, {info:['img/img1.png','img/img1.png','img/img1.png','img/img1.png']}, {info:['img/img1.png','img/img1.png','img/img1.png','img/img1.png']}, {info:['img/card1.jpg','img/img1.png','img/img1.png','img/img1.png']}, ] }, { title:'跨境用卡优惠集锦', img:'img/icon_star.png', current:0, tab:[ {img:"img/icon_s_1.png",actImg:'img/icon_s_1_act.png',text:'出行类'}, {img:"img/icon_s_2.png",actImg:'img/icon_s_2_act.png',text:'餐饮类'}, {img:"img/icon_s_3.png",actImg:'img/icon_s_3_act.png',text:'商超类'}, {img:"img/icon_s_4.png",actImg:'img/icon_s_4_act.png',text:'新客类'}, ], imgs:[ {info:['img/img1.png','img/img1.png','img/img1.png','img/img1.png']}, {info:['img/img1.png','img/img1.png','img/img1.png','img/img1.png']}, {info:['img/img1.png','img/img1.png','img/img1.png','img/img1.png']}, {info:['img/img1.png','img/img1.png','img/img1.png','img/img1.png']}, ] }, { title:'其他活动', img:'img/icon_gift.png', imgs:['img/img1.png','img/img1.png','img/img1.png','img/img1.png','img/img1.png','img/img1.png'] }, { title:'热卡推荐', img:'img/icon_card.png', imgs:['img/card1.jpg','img/card2.jpg'] }, ],
js中的切换方法(根据index改变list中item对应的current值)
tabFun(index,menu_index){ this.$nextTick(function(){ this.list.map((item,i)=>{ if(i ==index){ item.current = menu_index } }) }); }