study_wxapp/pages/train/limit/index.js

//index.js

const util = require("../../../utils/util")

//获取应用实例
const app = getApp()

Page({
  data: {
    info:{},
    groups: [],
    isOpen: false,
    userInfo:{}
  },
  onShow: function(){
    app.checkLogin( userInfo =>{
      this.setData({userInfo})
      // 已经实名认证
      this.indexLoad()
    })
  },
  onPullDownRefresh() {
    if (!this.loading) {
      this.indexLoad( this.stopPullDownRefresh )
    }
  },
  stopPullDownRefresh(){
    wx.stopPullDownRefresh()
  },
  indexLoad: function( cb ) {
    let _this = this
    app.formPost('Exam.getUserLimitPaperList', {}).then(res => {
      if (res.code === 200) {
        let groups = res.data.groups||[];
        _this.setData({
          groups: groups,
          isOpen: groups.length>0
        });
       cb&&cb() 
      }
    })
  }
})