HTML
<!-- 商品 页数--> <div> <div> <span>共{{data.length}}个商品</span> </div> <p data-countpage="1"> <span>{{pages}}</span> / <span>{{total}}</span> </p> </div> <div></div> </div> <!--限制加载数量--> <ul> <!--渲染数据 从那个下标开始加载--> <li v-for="(value,index) in data" v-if="index < 5"> <div></div> <div> <div> <router-link target="_blank" to="/goods_detail"> <img :src="value.image"> </router-link> </div> <div> <router-link target="_blank" to="/goods_detail">{{value.name}}</router-link> </div> <div> <p><span>¥{{value.price}}</span></p> </div> <div> <div> <router-link target="_blank" to="/goods_detail">查看详情</router-link> </div> </div> <div></div> </div> </li> <div></div> </ul> <!--分页器--> <div> <div> <div @click="shan">上一页</div> <!--动态生成页数标签--> <div> <div v-for="(value,index) in total"> <span @click="yesu" :id="index">{{index+1}}</span> </div> </div> <div @click="xia">下一页</div> </div> </div>
js
data(){ return{ data:"",//页面数据 num:0, pages:1,//当前页数 priceQuery:false,//价格排序判断 Total:"",//总页数（向上取整） initial:4,//默认加载数量 total:"",//最终页数 } }, created(){ //获取初始数据 axios.get("'../../static/mock/data.json").then(res=>{ this.Total = res.data.goods[0].foods.length; var arr = []; //限制获取数据量 for(var i=0;i<this.initial;i++){ //加载数据 页数+数量 arr.push(res.data.goods[0].foods[this.num+i]); } this.data = arr; this.total = Math.ceil(this.Total/this.data.length); }).catch(err=>{ console.log(err); }); }, methods:{ //下一页 xia(){ //页数++ if(this.pages == this.total){ this.pages = this.total; }else{ this.pages++; } //从 加载数据 下标+数量 this.num = (this.pages-1)*this.initial; this.sua(); }, //上一页 shan(){ if(this.pages == 1){ this.pages = 1; }else{ this.pages--; } this.num = (this.pages-1)*this.initial; this.sua(); }, //刷新数据 sua(){ axios.get("'../../static/mock/data.json").then(res=>{ var arr = []; //限制获取数据量 for(var i=0;i<this.initial;i++){ //判断数据是否有undefined，有undefined会报错无法加载 if(res.data.goods[0].foods[this.num+i] != undefined) arr.push(res.data.goods[0].foods[this.num+i]); } this.data = arr; }).catch(err=>{ console.log(err); }); }, //页数选择 yesu(e){ // console.log(e.target.id); this.num = (e.target.id)*4; this.pages = Number(e.target.id)+1; this.sua(); },