微信小程序实现仿美团外卖饿了么左右联动页面

话不多说,先上图

注:要实现全部效果,需要引入zan-ui的框架,如果不会引入的话,可以参考我的这篇文章

微信小程序之第三方UI框架 zanui 使用教程

wxml

  
    
      
        
          {{item.name}}
        
      
    
  
  
    
      {{item.name}}
      
        
          
        
        
          {{food.name}}
          
            品牌:{{food.brand}}
            型号:{{food.type}}
          
          
            ￥{{food.price}}
          

          
          
            
              
                
                  
                
                {{food.Count}}
                
              
            
          
        
      
    
  

  
  
    
      
        
          
            
              
                
              
              {{totalCount}}
            
            ￥{{totalPrice}}
          
          
            
              {{payDesc}}
            
          
        
        
          
            购物车
            清空
          
          
          
          

            
              {{item.name}}
              
                ￥{{item.price*item.num}} 
              

              
              
                
                  
                    
                      
                    
                    {{item.num}}
                    
                  
                
              
              
            
            

          


        
      
    
  
  
    
  


 
    
    
      
        
      
    
  

wxss

.goods {
  display: flex;
  position: absolute;
  width: 100%;
  top: 0;
  bottom: 46px;
  overflow: hidden;
  font-family:"微软雅黑";
}

.goods .menu-wrapper {
  flex: 0 0 80px;
  width: 80px;
  background: #f3f5f7;
}

.goods .menu-wrapper .menu-item {
  display: table;
  width: 56px;
  height: 54px;
  line-height: 14px;
  padding: 0 12px;
}

.goods .menu-wrapper .menu-item:current {
  position: relative;
  z-index: 10;
  margin-top: -1px;
  background: #fff;
  font-weight: 700;
}

.goods .menu-wrapper .menu-item:current .text {
  border: none;
}

.goods .menu-wrapper .menu-item .icon {
  display: inline-block;
  width: 12px;
  height: 12px;
  vertical-align: top;
  margin-right: 4px;
  background-size: 12px 12px;
  background-repeat: no-repeat;
}

.goods .menu-wrapper .menu-item .text {
  display: table-cell;
  width: 56px;
  vertical-align: middle;
  position: relative;
  font-size: 12px;
  border-bottom:1px solid rgba(7,17,27,0.1);
}

.goods .foods-wrapper {
  flex: 1;
}

.goods .foods-wrapper .food-list .title {
  padding-left: 14px;
  height: 26px;
  line-height: 26px;
  border-left: 2px solid #d9dde1;
  font-size: 12px;
  color: rgb(147, 153, 159);
  background: #f3f5f7;
}

.goods .foods-wrapper .food-list .food-item {
  display: flex;
  margin: 18px;
  padding-bottom: 18px;
  position: relative;
  border-bottom:1px solid rgba(7,17,27,0.1);
}

.goods .foods-wrapper .food-list .food-item:last-child {
  border: none;
  margin-bottom: 0px;
}

.goods .foods-wrapper .food-list .food-item .icon {
  flex: 0 0 57px;
  margin-right: 10px;
}

.goods .foods-wrapper .food-list .food-item .content {
  flex: 1;
}

.goods .foods-wrapper .food-list .food-item .content .name {
  margin: 2px 0 8px 0;
  font-size: 14px;
  line-height: 14px;
  height: 14px;
  color: rgb(7, 17, 27);
}

.goods .foods-wrapper .food-list .food-item .content .desc, .extra {
  font-size: 10px;
  line-height: 10px;
  color: rgb(147, 153, 159);
}

.goods .foods-wrapper .food-list .food-item .content .desc {
  margin-bottom: 8px;
  line-height: 12px;
}

.goods .foods-wrapper .food-list .food-item .content .extra .count {
  margin-right: 12px;
}

.goods .foods-wrapper .food-list .food-item .content .price {
  font-weight: 700px;
  line-height: 24px;
}

.goods .foods-wrapper .food-list .food-item .content .price .now {
  margin-right: 8px;
  font-size: 14px;
  color: rgb(240, 20, 20);
}

.goods .foods-wrapper .food-list .food-item .content .price .old {
  font-size: 10px;
  color: rgb(147, 153, 159);
  text-decoration: line-through;
}

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper {
  position: absolute;
  right: 0;
  bottom: 12px;
}

/* cartControl 样式 */

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper .cartControl {
  font-size: 0;
}

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper .cartControl .cart-decrease,
.cart-add {
  display: inline-block;
  padding: 4px 6px 6px 6px;
}

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper .cartControl .cart-decrease,
.cart-add :fade-enter-active, :fade-leave-active {
  transition: all 0.4s linear;
}

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper .cartControl .cart-decrease,
.cart-add :fade-enter, :fade-leave-active {
  opacity: 0 transform translate3d(24px, 0, 0);
}

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper .cartControl .cart-decrease,
.cart-add .inner {
  display: inline-block;
  line-height: 24px;
  font-size: 24px;
  vertical-align: top;
  color: rgb(0, 160, 220, 0.2);
}

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper .cartControl .cart-decrease,
.cart-add :inner-enter-active, :inner-leave-active {
  transition: all 0.4s linear;
  transform: rotate(0);
}

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper .cartControl .cart-decrease,
.cart-add :inner-enter, :inner-leave-active {
  opacity: 0 transform rotate(180deg);
}

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper .cartControl .cart-count {
  display: inline-block;
  font-size: 10px;
  line-height: 24px;
  width: 12px;
  vertical-align: top;
  padding-top: 6px;
  text-align: center;
  color: rgb(147, 153, 159);
}

.goods .foods-wrapper .food-list .food-item .content .cartControl-wrapper .cartControl .cart-add {
  display: inline-block;
  padding: 6px;
  line-height: 24px;
  font-size: 24px;
  vertical-align: top;
  color: rgb(0, 160, 220, 0.2);
}

/* shopcart 样式 */

.shopCart {
  position: fixed;
  left: 0px;
  bottom: 0px;
  z-index: 50;
  width: 100%;
  height: 48px;
}

.shopCart .content {
  display: flex;
  background: #141d27;
}

.shopCart .content .content-left {
  flex: 1;
}

.shopCart .content .content-left .logo-wrapper {
  display: inline-block;
  position: relative;
  top: -10px;
  margin: 0 12px;
  padding: 6px;
  width: 56px;
  height: 56px;
  box-sizing: border-box;
  vertical-align: top;
  border-radius: 50%;
  background: #141d27;
}

.shopCart .content .content-left .logo-wrapper .num {
  position: absolute;
  top: 0;
  right: 0;
  width: 24px;
  height: 24px;
  line-height: 24px;
  text-align: center;
  border-radius: 16px;
  font-size: 9px;
  font-weight: 700;
  color: #fff;
  background: rgb(240, 20, 20);
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.4);
}

.shopCart .content .content-left .logo-wrapper .logo {
  width: 100%;
  height: 100%;
  text-align: center;
  border-radius: 50%;
  background: #2b343c;
}

.shopCart .content .content-left .logo-wrapper .logo.highlight {
  background: rgb(0, 160, 220);
}

.shopCart .content .content-left .logo-wrapper .logo .icon-gouwuche {
  line-height: 44px;
  font-size: 24px;
  color: #80858a;
}

.shopCart .content .content-left .logo-wrapper .logo .icon-gouwuche.highlight {
  color: #fff;
}

.shopCart .content .content-left .price {
  display: inline-block;
  vertical-align: top;
  margin-top: 12px;
  line-height: 24px;
  padding-right: 12px;
  box-sizing: border-box;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 16px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.4);
}

.shopCart .content .content-left .price.highlight {
  color: #fff;
}

.shopCart .content .content-left .desc {
  display: inline-block;
  vertical-align: top;
  line-height: 24px;
  margin-left: 12px;
  margin-top: 12px;
  color: rgba(255, 255, 255, 0.4);
  font-size: 10px;
}

.shopCart .content .content-right {
  flex: 0 0 105px;
  width: 105px;
}

.shopCart .content .content-right .pay {
  height: 48px;
  line-height: 48px;
  text-align: center;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  font-weight: 700;
  background: #2b333b;
}

.shopCart .content .content-right .pay.not-enough {
  background: #2b333b;
}

.shopCart .content .content-right .pay.enough {
  background: #00b43c;
  color: #fff;
}

.shopCart .ball-container .ball {
  position: fixed;
  left: 32px;
  bottom: 22px;
  z-index: 200;
  transition: all 0.6s cubic-bezier(0.49, -0.29, 0.75, 0.41);
}

.shopCart .ball-container .ball .inner {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgb(0, 160, 220);
  transition: all 0.4s linear;
}

.shopCart .shopcart-list {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  transform:translate3d(0, -100%, 0);
}

.shopCart .shopcart-list :fade-enter-active, :fade-leave-active {
  transition: all 0.5s transform translate3d(0, -100%, 0);
}

.shopCart .shopcart-list :fade-enter, :fade-leave-active {
  transform: translate3d(0, 0, 0);
}

.shopCart .shopcart-list .list-header {
  height: 40px;
  line-height: 40px;
  padding: 0 18px;
  background: #f3f5f7;
  border-bottom: 1px solid rgba(7, 17, 27, 0.1);
}

.shopCart .shopcart-list .list-header .title {
  float: left;
  font-size: 14px;
  color: rgb(7, 17, 27);
}

.shopCart .shopcart-list .list-header .empty {
  float: right;
  font-size: 12px;
  color: rgb(0, 160, 220);
}

.shopCart .shopcart-list .list-content {
  padding: 0 18px;
  max-height: 200px;
  overflow: hidden;
  background: #fff;
}

.shopCart .shopcart-list .list-content .shopcart-food {
  position: relative;
  padding: 12px 0;
  box-sizing: border-box;
  /*border-top: 1px solid rgba(7,17,27,0.1);*/
}

.shopCart .shopcart-list .list-content .shopcart-food .name {
  line-height: 24px;
  font-size: 14px;
  color: rgb(7, 17, 27);
}

.shopCart .shopcart-list .list-content .shopcart-food .price {
  position: absolute;
  right: 90px;
  bottom: 12px;
  line-height: 24px;
  font-size: 14px;
  font-weight: 700;
  color: rgb(240, 20, 20);
}

.shopCart .shopcart-list .list-content .shopcart-food .cartControl-wrapper {
  position: absolute;
  right: 0;
  bottom: 6px;
}



/* 字体图标 */

@font-face {
  font-family: 'iconfont';
  src: url(data:application/font-woff;charset=utf-8;base64,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) format('woff'),
         url('iconfont.ttf') format('truetype');
  font-weight: 500;
  font-style: normal;
}

.iconfont {
  font-family: "iconfont" !important;
  font-size: 16px;
  font-style: normal;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.icon-zuoyoujiantou:before {
  content: "\e600";
}

.icon-gouwuche:before {
  content: "\e601";
}

.icon-jian:before {
  content: "\e629";
}

.icon-aixin:before {
  content: "\e61f";
}

.icon-down:before {
  content: "\e603";
}

.icon-cha:before {
  content: "\e646";
}

.icon-jia:before {
  content: "\e622";
}

.icon-gou:before {
  content: "\e73d";
}

.icon-damuzhi:before {
  content: "\e607";
}

.icon-weibiaoti6-copy:before {
  content: "\e670";
}



/* 弹窗层 */


.popup-example--center {
  border-radius: 4px;
}

.popup-example--right .zan-popup__container {
  top: 0;
  bottom: 0;
}

.popup-example--left .zan-popup__container {
  top: 0;
  bottom: 0;
}

.popup-example--top .zan-popup__container {
  left: 0;
  right: 0;
  padding: 15px;
  background-color: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 16px;
}
.popup-example--top .zan-popup__mask {
  opacity: 0;
}

.popup-example--bottom .zan-popup__container {
  left: 0;
  right: 0;
}

js

Page({
    data: {
        goods: [
            {
                "name": "马达",
                "type": -1,
                "foods": [
                    {
                        "name": "马达起动机",
                        "price": 10,
                        "brand": "亿资",
                        "Count": 0,
                        "type": "1315C",
                        "icon": "https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=1495904945,1470333066&fm=27&gp=0.jpg",
                    },
                ]
            },
            {
                "name": "充电机",
                "type": 2,
                "foods": [
                    {
                        "name": "电子充电机",
                        "price": 60.5,
                        "brand": "台电",
                        "Count": 0,
                        "type": "60A",
                        "icon": "http://img3.imgtn.bdimg.com/it/u=527088292,3980765409&fm=27&gp=0.jpg",
                    }
                ]
            },
            
           
            
        ],
        toView: '0',
        scrollTop: 100,
        foodCounts: 0,
        totalPrice: 0,// 总价格
        totalCount: 0, // 总商品数
        carArray: [],
        minPrice: 15,//起送價格
        payDesc: '',
        fold: true,
        selectFoods: [{ price: 20, count: 2 }],
        cartShow: 'none',
        status: 0,
        url :"",
        showPopup: false,

    },
    selectMenu: function (e) {
        var index = e.currentTarget.dataset.itemIndex;
        this.setData({
            toView: 'order' + index.toString()
        })
        console.log(this.data.toView);
    },
    //移除商品
    decreaseCart: function (e) {
        var index = e.currentTarget.dataset.itemIndex;
        var parentIndex = e.currentTarget.dataset.parentindex;
        this.data.goods[parentIndex].foods[index].Count--
        var name = this.data.goods[parentIndex].foods[index].name;
        var num = this.data.goods[parentIndex].foods[index].Count;
        var mark = 'a' + index + 'b' + parentIndex
        var price = this.data.goods[parentIndex].foods[index].price;
        var obj = { price: price, num: num, mark: mark, name: name, index: index, parentIndex: parentIndex };
        var carArray1 = this.data.carArray.filter(item => item.mark != mark);
        carArray1.push(obj);
        console.log(carArray1);
        for (var m = 0; m < carArray1.length; m++) {
          if (carArray1[m].num == 0) {
            carArray1.splice(m, 1);  // splice(a,b); a需要删除的位置,b删除几个
          }
        }
        this.setData({
            carArray: carArray1,
            goods: this.data.goods
        })
        this.calTotalPrice()
        this.setData({
            payDesc: this.payDesc(),
        })
        //关闭弹起
        var count1 = 0
        for (let i = 0; i < carArray1.length; i++) {
            if (carArray1[i].num == 0) {
                count1++;
            }
        }
        //console.log(count1)
        if (count1 == carArray1.length) {
            if (num == 0) {
                this.setData({
                    cartShow: 'none'
                })
            }
        }
    },
    decreaseShopCart: function (e) {
        console.log('1');
        this.decreaseCart(e);
    },
    //添加到购物车
    addCart(e) {
        var index = e.currentTarget.dataset.itemIndex;
        var parentIndex = e.currentTarget.dataset.parentindex;
        this.data.goods[parentIndex].foods[index].Count++;
        var mark = 'a' + index + 'b' + parentIndex
        var price = this.data.goods[parentIndex].foods[index].price;
        var num = this.data.goods[parentIndex].foods[index].Count;
        var name = this.data.goods[parentIndex].foods[index].name;
        var obj = { price: price, num: num, mark: mark, name: name, index: index, parentIndex: parentIndex };
        var carArray1 = this.data.carArray.filter(item => item.mark != mark)
        carArray1.push(obj)
        console.log(carArray1);
        this.setData({
            carArray: carArray1,
            goods: this.data.goods
        })
        this.calTotalPrice();
        this.setData({
            payDesc: this.payDesc()
        })
    },
    addShopCart: function (e) {
        this.addCart(e);
    },
    //计算总价
    calTotalPrice: function () {
        var carArray = this.data.carArray;
        var totalPrice = 0;
        var totalCount = 0;
        for (var i = 0; i < carArray.length; i++) {
            totalPrice += carArray[i].price * carArray[i].num;
            totalCount += carArray[i].num
        }
        this.setData({
            totalPrice: totalPrice,
            totalCount: totalCount,
            //payDesc: this.payDesc()
        });
    },
    //差几元起送
    payDesc() {
        if (this.data.totalPrice === 0) {
            return `￥${this.data.minPrice}元起送`;
        } else if (this.data.totalPrice < this.data.minPrice) {
            let diff = this.data.minPrice - this.data.totalPrice;
            return '还差' + diff + '元起送';
        } else {
            return '去结算';
        }
    },
    
    //购物车
    toggleList: function () {
        if (!this.data.totalCount) {
            return;
        }
        this.setData({
            fold: !this.data.fold,
        })
        var fold = this.data.fold
        //console.log(this.data.fold);
        this.cartShow(fold)
    },
    cartShow: function (fold) {
        console.log(fold);
        if (fold == false) {
            this.setData({
                cartShow: 'block',
            })
        } else {
            this.setData({
                cartShow: 'none',
            })
        }
        console.log(this.data.cartShow);
    },
    /**   
    * 预览图片  
    */
    togglePopup: function (event) {
      var image_path = event.currentTarget.dataset.id;      
      this.setData({
        url: image_path,
        showPopup: !this.data.showPopup
      });
    },    

    tabChange: function (e) {
        var showtype = e.target.dataset.type;
        this.setData({
            status: showtype,
        });
    },

    onLoad: function (options) {
        // 页面初始化 options为页面跳转所带来的参数
        this.setData({
            payDesc: this.payDesc()
        });
    },
    onReady: function () {
        // 页面渲染完成
    },
    onShow: function () {
        // 页面显示
    },
    onHide: function () {
        // 页面隐藏
    },
    onUnload: function () {
        // 页面关闭
    }
})

如果哪里还有不懂得,可以评论或者,私信我.