template
<div class="wrap wrap-sku"> <div class="product-box"> <div class="product-content"> <div class="product-delcom" v-for="(ProductItem,n) in simulatedDATA.specifications"> <p>{{ProductItem.name}}</p> <ul class="product-footerlist clearfix"> <li v-for="(oItem,index) in ProductItem.item" v-on:click="specificationBtn(oItem.name,n,$event,index)" v-bind:class="[oItem.isShow?'':'noneActive',subIndex[n] == index?'productActive':'']"> {{oItem.name}} </li> </ul> </div> <p v-if="price" class="price">¥{{price}}</p> </div> <div class="product-footer"> <a href="javascript:" rel="external nofollow" >立即购买</a> </div> </div> </div>js
export default { data() { return { simulatedDATA: { //模拟后台返回的数据 多规格 "difference": [ { //所有的规格可能情况都在这个数组里 "id": "19", "price": "200.00", "stock": "19", "difference": "100,白色" }, { "id": "20", "price": "100.00", "stock": "29", "difference": "200,白色" }, { "id": "21", "price": "300.00", "stock": "10", "difference": "100,黑色" }, { "id": "22", "price": "900.00", "stock": "0", "difference": "200,黑色" }, { "id": "23", "price": "600.00", "stock": "48", "difference": "100,绿色" }, { "id": "24", "price": "500.00", "stock": "40", "difference": "200,绿色" }, { "id": "25", "price": "90.00", "stock": "0", "difference": "100,蓝色" }, { "id": "26", "price": "40.00", "stock": "20", "difference": "200,蓝色" } ], "specifications": [ { //这里是要被渲染字段 "name": "尺寸", "item": [ { "name": "100", }, { "name": "200", } ] }, { "name": "颜色", "item": [ { "name": "白色", }, { "name": "蓝色", }, { "name": "黑色", }, { "name": "绿色", } ] } ] }, selectArr: [], //存放被选中的值 shopItemInfo: {}, //存放要和选中的值进行匹配的数据 subIndex: [], //是否选中 因为不确定是多规格还是单规格,所以这里定义数组来判断 price:'' //选中规格的价钱 } }, methods: { specificationBtn: function (item, n, event, index) { var self = this; if (self.selectArr[n] != item) { self.selectArr[n] = item; self.subIndex[n] = index; } else { self.selectArr[n] = ""; self.subIndex[n] = -1; //去掉选中的颜色 } self.checkItem(); }, checkItem: function () { var self = this; var option = self.simulatedDATA.specifications; console.log(option) var result = []; //定义数组储存被选中的值 for(var i in option){ result[i] = self.selectArr[i] ? self.selectArr[i] : ''; } console.log(result) for (var i in option) { var last = result[i]; //把选中的值存放到字符串last去 for (var k in option[i].item) { result[i] = option[i].item[k].name; //赋值,存在直接覆盖,不存在往里面添加name值 option[i].item[k].isShow = self.isMay(result); //在数据里面添加字段isShow来判断是否可以选择 } result[i] = last; //还原,目的是记录点下去那个值,避免下一次执行循环时被覆盖 } if(this.shopItemInfo[result]){ this.price = this.shopItemInfo[result].price || '' } self.$forceUpdate(); //重绘 }, isMay: function (result) { for (var i in result) { if (result[i] == '') { return true; //如果数组里有为空的值,那直接返回true } } return this.shopItemInfo[result].stock == 0 ? false : true; //匹配选中的数据的库存,若不为空返回true } }, created: function () { var self = this; for (var i in self.simulatedDATA.difference) { self.shopItemInfo[self.simulatedDATA.difference[i].difference] = self.simulatedDATA.difference[i]; } console.log(self.shopItemInfo) self.checkItem(); } }css:
<style lang="scss"> .wrap-sku { .product-box { width: 1200upx; display: block; margin: 0 auto; } .product-content { margin-bottom: 100upx; } .product-delcom { color: #323232; font-size: 26upx; border-bottom: 1upx solid #EEEEEE; padding: 30upx 0; } .product-footerlist { margin-top: 10upx; } .product-footerlist li { border: 1upx solid #606060; border-radius: 5upx; color: #606060; text-align: center; padding: 10upx 30upx; float: left; margin-right: 20upx; cursor: pointer; } .product-footerlist li.productActive { background-color: #1A1A29; color: #fff; border: 1upx solid #1A1A29; } .product-footerlist li.noneActive { background-color: #ccc; opacity: 0.4; color: #000; pointer-events: none; } .product-footer { background-color: #1A1A29; text-align: center; } .product-footer a { color: #fff; text-decoration: none; height: 88upx; line-height: 88upx; font-size: 28upx; } .price{ font-size: 30upx; height: 60upx; line-height: 60upx; } } </style>