Dynamic API developed by WeChat mini program mall to classify products (code)

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

See the effect

##Product classification.gif

Development plan

1. Product classification page layout

2. Call the dynamic API to obtain data and load it

3. Click on the product category to jump to the related product collection

Get product details API data model based on product ID

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

##Product classification API.jpg

There is also a detailed data model for viewing below!

classify.wxml

##

<!--主盒子-->
<view class="container">
  <!--左侧栏-->
  <view class="nav_left">
    <block wx:for="{{classifyItems}}">
      <!--当前项的id等于item项的id，那个就是当前状态-->
      <!--用data-index记录这个数据在数组的下标位置，使用data-id设置每个item的id值，供打开2级页面使用-->
      <view class="nav_left_items {{curNav == item.id ? &#39;active&#39; : &#39;&#39;}}" bindtap="switchRightTab" data-index="{{index}}" data-id="{{item.id}}">
          {{item.name}}
        </view>
    </block>
  </view>
  <!--右侧栏-->
  <view class="nav_right">
    <!--如果有数据，才遍历项-->
    <view wx:if="{{classifyItems[curIndex].ishaveChild}}">
      <block wx:for="{{classifyItems[curIndex].shopClassifyDtoList}}">
        <view class="nav_right_items">
        <!--界面跳转 -->
          <navigator url="/pages/classifyGoods/classifyGoods?classifyId={{item.id}}">
            <image src="{{item.imgUrl}}"></image>
            <text>{{item.name}}</text>
          </navigator>
        </view>
      </block>
    </view>
    <!--如果无数据，则显示数据-->
    <view class="nodata_text" wx:else>该分类暂无数据</view>
  </view>
</view>

classify .wxss

##

/* pages/classify/classify.wxss */
page{  
  background: #f5f5f5;  
}  
/*总体主盒子*/  
.container {  
  position: relative;  
  width: 100%;  
  height: 100%;  
  background-color: #fff;  
  color: #939393;  
}
 /*左侧栏主盒子*/  
.nav_left{  
  /*设置行内块级元素*/  
  position: absolute;   
  /* display: inline-block;     */
  width: 25%;  
  height: 100%;  
  /*主盒子设置背景色为灰色*/  
  background: #f5f5f5;  
  text-align: center;  
  left: 0;
  top:0;
}  
/*左侧栏list的item*/  
.nav_left .nav_left_items{  
    height: 40px;   
   line-height: 40px;   
   padding: 6px 0;   
   border-bottom: 1px solid #dedede;   
   font-size: 14px;   
}  
/*左侧栏list的item被选中时*/  
.nav_left .nav_left_items.active{  
  /*背景色变成白色*/  
  background: #fff;  
  color: #f0145a; 
}  
/*右侧栏主盒子*/  
.nav_right{  
  /*右侧盒子使用了绝对定位*/  
  position: absolute;  
  top: 0;  
  right: 0;  
  flex: 1;  
  /*宽度75%，高度占满，并使用百分比布局*/  
  width: 75%;  
  height: 1000px;  
  padding: 10px;  
  box-sizing: border-box;  
  background: #fff;  
}  
/*右侧栏list的item*/  
.nav_right .nav_right_items{  
  /*浮动向左*/  
  float: left;  
  /*每个item设置宽度是33.33%*/  
  width: 33.33%;  
  height: 120px;  
  text-align: center;  
}  
.nav_right .nav_right_items image{  
  /*被图片设置宽高*/  
  width: 60px;  
  height: 60px;  
  margin-top: 15px;  
}  
.nav_right .nav_right_items text{  
  /*给text设成块级元素*/  
  display: block;  
  margin-top: 15px;  
  font-size: 14px;  
  color: black;
  /*设置文字溢出部分为...*/  
  overflow: hidden;  
  white-space: nowrap;  
  text-overflow: ellipsis;  
} 
.nodata_text
{
  color: black;
  font-size: 14px;  
  text-align: center;  
}
.left_cate {
  display: flex;  
  flex-direction: row;  
  /*每个高30px*/  
  height: 40px;  
  /*垂直居中*/  
  line-height: 40px;  
  /*再设上下padding增加高度，总高42px*/  
  padding: 6px 0;  
  /*只设下边线*/  
  border-bottom: 1px solid #dedede;  
  /*文字14px*/  
  font-size: 14px; 
  background: #fff;  
  color: #f0145a; 
}
 .separate {
  background-color: #f0145a;
  width: 10rpx;
  z-index: 10;
}

classify.js

const ajax = require('../../utils/ajax.js');
const utils = require('../../utils/util.js');
Page({
  /**
   * 页面的初始数据
   */
  data: {
    classifyItems:[],
    curNav: 1,
    curIndex: 0
  },
  //事件处理函数  
  switchRightTab: function (e) {
    // 获取item项的id，和数组的下标值  
    let id = e.target.dataset.id,
      index = parseInt(e.target.dataset.index);
    // 把点击到的某一项，设为当前index  
    this.setData({
      curNav: id,
      curIndex: index
    })
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var that = this;
    that.classifyShow();
  },
  classifyShow: function (success) {
    var that = this;
    ajax.request({
      method: 'GET',
      url: 'classify/getShopClassifyList?key=' + utils.key,
      success: data => {
        that.setData({
          classifyItems: data.result
        })
        console.log(data.result)
      }
    })
  },
})

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