WeChat mini program mall development's dynamic API implements code for product details page (below)

The content of this article is about the code (below) of the dynamic API implemented in the WeChat mini-program mall development to realize the product details page. It has certain reference value. Friends in need can refer to it. I hope it will be useful to you. Helps.

See the effect

Add to shopping cart.gif

Development plan

1. Add to shopping cart floating box, Product quantity, price calculation, collection and add to shopping cart function development
2. Call the add to shopping cart API to add to the shopping cart

Acquire product details API data model based on product ID

Visit: https ://100boot.cn/ Select the micro-mall case, as shown below:

Add to shopping cart and product collection API.jpg

There is also a detailed data model below that you can view!

detail.wxml

<!-- 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>

detail.wxss

#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;  
}

detail.js

// 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
        });
      }
    })
}

template template uses

due to the addition of template The source code is too long, you can just download the source code and use it.

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