feat(WechatSmallProject): 新增 微信小程序 课程（包含实验1-4）

WechatSmallProject/test4/pages/shoplist/shoplist.js

@@ -0,0 +1,120 @@
+// pages/shoplist/shoplist.js
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+    shopList: [],
+    isLoading: false
+  },
+
+  listData: {
+    page: 1,
+    pageSize: 10,
+    total: 0
+  },
+
+  getShopList: function (cb) {
+    this.isLoading = true
+    wx.showLoading({
+      title: '数据加载中...',
+    })
+
+    wx.request({
+      url: 'http://127.0.0.1:3000/data',
+      method: "GET",
+      data: {
+        page: this.listData.page,
+        pageSize: this.listData.pageSize
+      },
+      success: (res) => {
+        console.log(res);
+        this.setData({
+          shopList: [...this.data.shopList, ...res.data],
+        })
+        this.listData.total = res.header['X-Total-Count'] - 0
+      },
+      complete: () => {
+        wx.hideLoading()
+        this.isLoading = false
+        cb & cb()
+      }
+    })
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+    this.getShopList()
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload() {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh() {
+    this.setData({
+      shopList: []
+    })
+    this.listData.page = 1
+    this.listData.total = 0
+    this.getShopList(() => {
+      wx.stopPullDownRefresh()
+    })
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom() {
+    if (this.listData.page * this.listData.pageSize >= this.listData.total) {
+      return wx.showToast({
+        title: '数据加载完毕',
+        icon: "none"
+      })
+    }
+
+    if (this.isLoading) {
+      return
+    }
+
+    ++this.listData.page
+    this.getShopList()
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage() {
+
+  }
+})