OnlineTraining0622/pages/myTraining/myTraining.js

const tools = require('../../utils/tools.js');
const app = require('../../utils/util.js');
Page({
  data: {
    dataArr: [],
    showNull: false
  },
  gomyClass() {
    wx.switchTab({
      url: '../myClass/myClass'
    })
  },
  getArr(sessionKey) {
    wx.request({
      url: app.globalData.publicUrl + '/wx/student/selWholeClas',
      method: "post",
      data: {
        sessionKey: sessionKey
      },
      success: (res) => {
        console.log(res.data.data, "22222")
        if (res.data.code == 0) {
          this.setData({
            dataArr: res.data.data
          })
          if (this.data.dataArr.length == 0) {
            this.setData({
              showNull: true
            })
          }
        } else {
          if (this.data.dataArr.length == 0) {
            this.setData({
              showNull: true
            })
          }
        }
      },
      fail: () => {
        if (this.data.dataArr.length == 0) {
          this.setData({
            showNull: true
          })
        }
      }
    })
  },
  async onLoad() {
    const sessionKey = await tools.checkSessionAndLogin();
    this.getArr(sessionKey);
  }
})