微信小程序商城开发之动态API实现商品的详情页的代码（下）

<!-- 底部悬浮栏 --><view class="detail-nav">
  <image bindtap="toCar" src="../../images/cart1.png" />  
  <view class="line_nav"></view>
   <image bindtap="addLike" src="{{isLike?&#39;../../images/enshrine_select.png&#39;:&#39;../../images/enshrine.png&#39;}}" /> 
  <button data-goodid="1"  class="button-green" bindtap="toggleDialog" >加入购物车</button>
  <button class="button-red" bindtap="immeBuy" formType="submit">立即购买</button></view><!--加入购物车-->#template模板引用<import src="../template/template.wxml" /><view class="dialog {{ showDialog ? &#39;dialog--show&#39; : &#39;&#39; }}">
      <view class="dialog__mask" bindtap="toggleDialog" />
      <view class="dialog__container">
        <view class="row">
          <icon bindtap="closeDialog" class="image-close" type="cancel" size="25"/>
          <image class="image-sku" src="{{goods.imgUrl}}"></image>
          <view class="column">
            <text class="sku-price">￥{{goods.totalMoney}}</text>
            <text class="sku-title">销量 {{goods.buyRate}} 件</text>
            <text class="sku-title">商品编码：{{goods.goodsId}}</text>
          </view>
        </view>
        <text class="border-line"></text>
        <view class="row">
          <text >购买数量</text>
          <view class="quantity-position">
              <!-- <template is="quantity"  data="{{ ...item,index:index}}" />  -->
               <template is="quantity" data="{{ ...goods,index:1}}" /> 
          </view>
        </view>
        <text class="border-line"></text>

        <button data-goodid="{{goods.goodsId}}" class="button-addCar" bindtap="addCar" formType="submit">确定</button>
      </view>
    </view>

#template 模板引用
 @import "../template/template.wxss"; 
/* sku选择 */
.dialog__mask {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10;
  background: rgba(0, 0, 0, 0.7);
  display: none;
}
.dialog__container {
  position: fixed;
  bottom: 0;
  width: 100%;
  background: white;
  transform: translateY(150%);
  transition: all 0.4s ease;
  z-index: 11;
}
.dialog--show .dialog__container {
  transform: translateY(0);
}
.dialog--show .dialog__mask {
  display: block;
}
.image-sku {
  width: 200rpx;
  height: 200rpx;
  z-index: 12;
  position: absolute;
  left: 20px;
  top: -30px;
  border-radius: 20rpx;
}
.image-close {
  width: 40rpx;
  height: 40rpx;
  position: fixed;
  right: 20rpx;
  top: 10rpx;
}
.column {
  display: flex;
  flex-direction: column;
}
.row {
  display: flex;
  flex-direction: row;
  align-items: center;
}
.border-line {
  width: 100%;
  height: 2rpx;
  display: inline-block;
  margin: 30rpx 0rpx;
  background-color: gainsboro;
  text-align: center;
}
.sku-title {
  position: relative;
  left: 300rpx;
  margin: 1rpx;
}
.sku-price {
  color: red;
  position: relative;
  left: 300rpx;
  margin: 1rpx;
}
.row .quantity-position {
  position: absolute;
  right: 30rpx;
  display: flex;  
  justify-content: center;  
  flex-direction: column;  
}

// 收藏-修改收藏状态
  addLike() {
    this.setData({
      isLike: !this.data.isLike
    });
ajax.request({
      method: 'GET',
      url: 'collection/addShopCollection?key=' + utils.key + '&goodsId=' + goodsId,
      success: data => {
        console.log("收藏返回结果：" + data.message)
        wx.showToast({
          title: data.message,
          icon: 'success',
          duration: 2000
        });
      }
    })
  },
// 立即购买-待开发
  immeBuy() {
    wx.showToast({
      title: '购买成功',
      icon: 'success',
      duration: 2000
    });
  },
// 跳到购物车-待开发
  toCar() {
    wx.navigateTo({
      url: '../cart/cart'
    })
  },
 /**
   * sku 弹出
   */
  toggleDialog: function () {
    this.setData({
      showDialog: !this.data.showDialog
    });
  },
  /**
   * sku 关闭
   */
  closeDialog: function () {
    console.info("关闭");
    this.setData({
      showDialog: false
    });
  },
/* 减数 */
  delCount: function (e) {
    console.log("刚刚您点击了减1");
    var count = this.data.goods.count;
    // 商品总数量-1
    if (count > 1) {
      this.data.goods.count--;
    }
    // 将数值与状态写回  
    this.setData({
      goods: this.data.goods
    });
    this.priceCount();
  },
  /* 加数 */
  addCount: function (e) {
    console.log("刚刚您点击了加1");
    var count = this.data.goods.count;
    // 商品总数量-1  
    if (count < 10) {
      this.data.goods.count++;
    }
    // 将数值与状态写回  
    this.setData({
      goods: this.data.goods
    });
    this.priceCount();
  },
  //价格计算
  priceCount: function (e) {
    this.data.goods.totalMoney = this.data.goods.price * this.data.goods.count;
    this.setData({
      goods: this.data.goods
    })
  },
/* 减数 */
  delCount: function (e) {
    console.log("刚刚您点击了减1");
    var count = this.data.goods.count;
    // 商品总数量-1
    if (count > 1) {
      this.data.goods.count--;
    }
    // 将数值与状态写回  
    this.setData({
      goods: this.data.goods
    });
    this.priceCount();
  },
  /* 加数 */
  addCount: function (e) {
    console.log("刚刚您点击了加1");
    var count = this.data.goods.count;
    // 商品总数量-1  
    if (count < 10) {
      this.data.goods.count++;
    }
    // 将数值与状态写回  
    this.setData({
      goods: this.data.goods
    });
    this.priceCount();
  },
  //价格计算
  priceCount: function (e) {
    this.data.goods.totalMoney = this.data.goods.price * this.data.goods.count;
    this.setData({
      goods: this.data.goods
    })
  },
/**
   * 加入购物车
   */
  addCar: function (e) {
    var count = this.data.goods.count;
    ajax.request({
      method: &#39;GET&#39;,
      url: &#39;carts/addShopCarts?key=&#39; + utils.key + &#39;&goodsId=&#39; + goodsId + &#39;&num=&#39; + count,
      success: data => {
        console.log("加入购物车返回结果：" + data.message)
        wx.showToast({
          title: &#39;加入购物车成功&#39;,
          icon: &#39;success&#39;,
          duration: 2000
        });
      }
    })
}