<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>vuejs-数量选择器(2层数据结构)</title> <style type="text/css"> *{ padding:0; margin: 0; box-sizing: border-box; font-size: 16px; } a { text-decoration: none; color: #333; } .clearfix:after { content: "."; visibility: hidden; display: block; height: .1px; font-size: .1em; line-height: 0; clear: both; } .quantity-selector { margin: 0 auto; width: 8.571rem; line-height: 30px; border: 1px solid #d1d6e4; border-radius: 3px; } .quantity-selector .reduce, .quantity-selector .add { float: left; width: 33.33%; border-right: 1px solid #d1d6e4; text-align: center; cursor: pointer; } .quantity-selector .number { float: left; width: 33.33%; height: 30px; border: none; padding-left: 10px; text-align: center; } .quantity-selector .add { border-left: 1px solid #d1d6e4; border-right: none; } .quantity-selector .disable { color: #d2d2d2; cursor: default; } label { cursor: pointer; } .choose-all { margin-left: 20px; } /*店铺开始*/ .store-item { width: 600px; margin: 30px auto; } .store-item th { height: 40px; background: #d2d2d2; -webkit-text-stroke: 1px #ff7500; font-size: 18px; } .store-item td { height: 60px; text-align: center; } .cal-store-box { text-align: right; } .store-footer { width: 600px; margin: 50px auto; display: flex; justify-content: space-between; align-items: center; } /*店铺结束*/ </style> </head> <body> <div v-for="(index1, item) in goodsObj"> <p> <span v-html="item.name"></span> <label> <input type="checkbox" v-on:click="chooseShopGoods(index1)" v-model="item.checked" /> <span>全选</span> </label> </p> <table> <col></col> <col></col> <col></col> <col></col> <col></col> <col></col> <thead> <tr> <th>选择</th> <th>商品</th> <th>单价</th> <th>运费</th> <th>数量</th> <th>操作</th> </tr> </thead> <tbody> <tr v-for="(index, data) in item.list"> <td> <input type="checkbox" v-model="data.checked" v-on:click="choose(index1, index)" /> </td> <td> <p><span v-html="data.name"></span></p> </td> <td v-html="(data.price).toFixed(2)"></td> <td v-html="(data.fare).toFixed(2)"></td> <td> <div> <span v-on:click="numChange(index1, $index, -1)" v-bind:class="{ 'disable' : data.num==1 }">－</span> <input type="number" v-bind:value="data.num" v-bind:data-realStock="data.realStock" v-on:keyUp="numEntry(index1, $index)" v-on:keyDown="numEntry(index1, $index)" v-model="data.num"/> <span v-on:click="numChange(index1, $index, 1)" v-bind:class="{ 'disable' : data.num==data.realStock }">＋</span> </div> </td> <td> <a href="javascript:;" v-on:click="delGoods(index1, index)">删除</a> </td> </tr> </tbody> </table> <div> <p>店铺总运费: <span v-html="calEveryFare(index1)"></span></p> <p>店铺商品总金额: <span v-html="calEveryStore(index1)"></span></p> </div> </div> <div> <label> <input type="checkbox" v-on:click="chooseAllGoods($event)" v-model="allChecked" /> <span>全选</span> </label> <div> <p>商品总运费:<span v-html="totalFare.toFixed(2)"></span></p> <p>商品总金额:<span v-html="totalMoney.toFixed(2)"></span></p> </div> </div> <script src="https://cdn.bootcss.com/vue/1.0.7/vue.js"></script> <script> var goodsObj = [ { name : '大胖的店', checked : false, list : [ { name : '麻辣二胖', price : 23.00, realStock : 10, fare : 1.5, num : 1, checked : false, }, { name : '香辣二胖', price : 21.00, realStock : 2, fare : 1.5, num : 2, checked : false, }, { name : '红烧二胖', price : 88.00, realStock : 8, fare : 1.5, num : 4, checked : false, } ] }, { name : '二胖的店', checked : false, list : [ { name : '漂亮的裙子', price : 166.00, realStock : 10, fare : 2, num : 1, checked : false, }, { name : '漂亮的短袖', price : 188.00, realStock : 2, fare : 1.5, num : 2, checked : false, }, { name : '漂亮的鞋子', price : 299.00, realStock : 1, fare : 3, num : 1, checked : false, } ] }, { name : '胖胖的店', checked : false, list : [ { name : '福满多', price : 3.00, realStock : 10, fare : .5, num : 10, checked : false, }, { name : '精品卫龙', price : 1.50, realStock : 2, fare : 2, num : 2, checked : false, }, { name : '周长江', price : 2.50, realStock : 3, fare : 5, num : 2, checked : false, } ] }, ]; var vue = new Vue({ el : 'body', data : { goodsObj : goodsObj, totalMoney : 0, totalFare : 0, allChecked : false }, ready : function() {}, methods : { // 全部商品全选 chooseAllGoods : function() { var flag = true; if ( this.allChecked ) { flag = false; } for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) { this.goodsObj[i]['checked'] = flag; var list = this.goodsObj[i]['list']; for ( var k = 0, len1 = list.length; k < len1; k++ ) { list[k]['checked'] = flag; } } this.allChecked = !this.allChecked; this.calTotalMoney(); this.calTotalFare(); }, // 每个店铺全选 chooseShopGoods : function( index) { var list = this.goodsObj[index]['list'], len = list.length; if ( this.goodsObj[index]['checked'] ) { for (var i = 0; i < len; i++ ) { list[i]['checked'] = false; } } else { for (var i = 0; i < len; i++ ) { list[i]['checked'] = true; } } this.goodsObj[index]['checked'] = !this.goodsObj[index]['checked']; // 判断是否选择所有商品的全选 this.isChooseAll(); this.cal(index); }, // 单个选择 choose : function( index1, index) { var list = this.goodsObj[index1]['list'], len = list.length; if ( list[index]['checked'] ) { this.goodsObj[index1]['checked'] = false; this.allChecked = false; list[index]['checked'] = !list[index]['checked']; } else { list[index]['checked'] = !list[index]['checked']; // 判断是否选择当前店铺的全选 var flag = true; for (var i = 0; i < len; i++ ) { if ( list[i]['checked'] == false ) { flag = false; break; } } flag == true ? this.goodsObj[index1]['checked'] = true : this.goodsObj[index1]['checked'] = false; } // 判断是否选择所有商品的全选 this.isChooseAll(); this.cal(index); }, // 判断是否选择所有商品的全选 isChooseAll : function() { var flag1 = true; for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) { if ( this.goodsObj[i]['checked'] == false ) { flag1 = false; break; } } flag1 == true ? this.allChecked = true : this.allChecked = false; }, // 商品数量控制 numChange : function(index1, index, numChange) { var goods = this.goodsObj[index1]['list'][index], oThis = this; if ( numChange == 1 ) { goods.num++; } else if ( numChange == -1 ) { goods.num--; } if ( goods.num <= 1 ) { goods.num = 1; } if ( goods.num >= goods.realStock ) { goods.num = goods.realStock; } this.cal(index); }, // 用户填写容错处理 numEntry : function(index1, index) { var goods = this.goodsObj[index1]['list'][index]; if ( goods.num <=1 ) { goods.num = 1; } if ( goods.num > goods.realStock ) { goods.num = goods.realStock; } this.cal(index); }, // 计算每个店铺的商品总额 calEveryStore : function(index) { var everyStoreMoney = 0, list = this.goodsObj[index]['list']; list.forEach(function(item, index, arr) { if ( list[index]['checked'] ) { everyStoreMoney += parseFloat(item.price) * parseFloat(item.num); } }); return everyStoreMoney.toFixed(2); }, // 计算每个店铺的运费总额 calEveryFare : function(index) { var everyStoreFare = 0, list = this.goodsObj[index]['list']; list.forEach(function(item, index, arr) { if ( list[index]['checked'] ) { everyStoreFare += parseFloat(item.fare) * parseFloat(item.num); } }); return everyStoreFare.toFixed(2); }, // 计算商品总金额 calTotalMoney : function () { var oThis = this; this.totalMoney = 0; for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) { var list = this.goodsObj[i]['list']; list.forEach(function(item, index, arr) { if ( list[index]['checked'] ) { oThis.totalMoney += parseFloat(item.price) * parseFloat(item.num); } }); } }, // 计算商品总运费 calTotalFare : function () { var oThis = this; this.totalFare = 0; for ( var i = 0, len = this.goodsObj.length; i < len; i++ ) { var list = this.goodsObj[i]['list']; list.forEach(function(item, index, arr) { if ( list[index]['checked'] ) { oThis.totalFare += parseFloat(item.fare) * parseFloat(item.num); } }); } }, // 计算方法集合 cal : function(index) { this.calEveryStore(index); this.calEveryFare(index); this.calTotalMoney(); this.calTotalFare(); }, // 删除操作 delGoods : function(index1, index) { console.log(index1); console.log(index); this.goodsObj[index1]['list'].splice(index, 1); this.cal(index); } } }) </script> </body> </html>
效果如下：
