OnlineTraining0622/pages/demandCourses/demandCourses.js

const app = require('../../utils/util.js');
Page({
  data: {
    lbArr: [],
    showNull: false,
    sfmArr: []
  },
  goIn(e) {
    var id = e.currentTarget.dataset.item.id
    wx.navigateTo({
      url: '../dbDetails/dbDetails?id=' + id
    })
  },
  getArr(sessionKey) {
    var _this = this;
    wx.request({
      url: app.globalData.publicUrl + '/wx/course/selectRecordBySessionKey',
      method: "post",
      data: {
        sessionKey: sessionKey
      },
      success: function (res) {
        if (res.code == 0) {
          console.log(res)
          _this.setData({
            lbArr: res.data.list
          })
          let result = [];
          for (var i = 0; i < res.data.list.length; i++) {
            result.push({
              courseTime: res.data.list[i].courseTime
            });
          }
          const timesArr = result.map((item) => {
            return item.courseTime;
          });
          let sfmArr = [];
          for (let i = 0; i < timesArr.length; i++) {
            let value = timesArr[i];
            const resultValue = _this.handler(value);
            sfmArr.push({
              courseTime: resultValue
            })
            _this.setData({
              sfmArr: sfmArr
            })
          }
          if (_this.data.lbArr.length == 0) {
            _this.setData({
              showNull: true
            })
          }
        } else {
          if (_this.data.lbArr.length == 0) {
            _this.setData({
              showNull: true
            })
          }
        }
      },
      fail: function () {
        if (_this.data.lbArr.length == 0) {
          _this.setData({
            showNull: true
          })
        }
      }
    })
  },
  handler(value) {
    //换算为秒 进制1000
    const second = Math.floor(value / 1000); //判断是否够1秒
    if (second < 1) {
      return "0秒";
    }
    const secondValue = second % 60; // 秒
    const minutes = Math.floor(second / 60); //判断是否够1分钟
    if (minutes < 1) {
      return `${secondValue}秒`;
    }
    const minutesValue = minutes % 60; //分
    const hours = Math.floor(minutes / 60); //判断是否够1小时
    if (hours < 1) {
      return `${minutesValue}分${secondValue}秒`;
    }
    const hoursValue = hours % 60; //小时
    return `${hoursValue}时${minutesValue}分${secondValue}秒`;
  },
  onLoad: function () {
    var sessionKey = "";
    var _this = this;
    wx.checkSession({
      success: () => {
        sessionKey = wx.getStorageSync('sessionKey');
        if (sessionKey == "") {
          wx.login({
            success(res) {
              console.log(res);
              var code = res.code
              wx.request({
                url: app.globalData.publicUrl2 + '/wx/user/wx7e7a46e129d6cd0f/login',
                method: "get",
                data: {
                  code
                },
                success: function (res) {
                  sessionKey = res.data.sessionKey;
                  wx.setStorageSync('sessionKey', res.data.sessionKey);
                  _this.getArr(sessionKey)
                }
              })
            }
          })
        } else {
          _this.getArr(sessionKey)
        }
      },
      fail() {
        console.log("我没有缓存并去登录请求")
        wx.login({
          success(res) {
            console.log(res);
            var code = res.code
            wx.request({
              url: app.globalData.publicUrl2 + '/wx/user/wx7e7a46e129d6cd0f/login',
              method: "get",
              data: {
                code
              },
              success: function (res) {
                sessionKey = res.data.sessionKey;
                wx.setStorageSync('sessionKey', res.data.sessionKey);
                _this.getArr(sessionKey)
              }
            })
          }
        })
      }
    })
  }
})