dorm-manager/dorm-manager-wx/pages/student/pass/pass.js

const api = require('../../../utils/api.js');
Page({
  data: {
    year: 0,
    month: 0,
    date: ['日', '一', '二', '三', '四', '五', '六'],
    dateArr: [],
    isToday: 0,
    isTodayWeek: false,
    todayIndex: 0
  },
  onLoad: function () {
    wx.showLoading({
      title: '正在加载',
    })
    let now = new Date();
    let year = now.getFullYear();
    let month = now.getMonth() + 1;
    this.dateInit();
    this.req(year + '-' + month + '-' + now.getDate())
    this.setData({
      year: year,
      month: month,
      isToday: '' + year + month + now.getDate()
    })
    
  },
  dateInit: function (setYear, setMonth) {
    //全部时间的月份都是按0~11基准，显示月份才+1
    let dateArr = [];                        //需要遍历的日历数组数据
    let arrLen = 0;                            //dateArr的数组长度
    let now = setYear ? new Date(setYear, setMonth) : new Date();
    let year = setYear || now.getFullYear();
    let nextYear = 0;
    let month = setMonth || now.getMonth();                    //没有+1方便后面计算当月总天数
    let nextMonth = (month + 1) > 11 ? 1 : (month + 1);
    let startWeek = new Date(year + '/' + (month + 1) + '/' + 1).getDay();
    // let startWeek = new Date(year + ',' + (month + 1) + ',' + 1).getDay();                            //目标月1号对应的星期
    let dayNums = new Date(year, nextMonth, 0).getDate();                //获取目标月有多少天
    let obj = {};
    let num = 0;

    if (month + 1 > 11) {
      nextYear = year + 1;
      dayNums = new Date(nextYear, nextMonth, 0).getDate();
    }
    arrLen = startWeek + dayNums;
    for (let i = 0; i < arrLen; i++) {
      if (i >= startWeek) {
        num = i - startWeek + 1;
        obj = {
          isToday: '' + year + (month + 1) + num,
          dateNum: num,
          weight: 5
        }
      } else {
        obj = {};
      }
      dateArr[i] = obj;
    }
    this.setData({
      dateArr: dateArr
    })

    let nowDate = new Date();
    let nowYear = nowDate.getFullYear();
    let nowMonth = nowDate.getMonth() + 1;
    let nowWeek = nowDate.getDay();
    let getYear = setYear || nowYear;
    let getMonth = setMonth >= 0 ? (setMonth + 1) : nowMonth;

    if (nowYear == getYear && nowMonth == getMonth) {
      this.setData({
        isTodayWeek: true,
        todayIndex: nowWeek
      })
    } else {
      this.setData({
        isTodayWeek: false,
        todayIndex: -1
      })
    }
  },
  lastMonth: function () {
    //全部时间的月份都是按0~11基准，显示月份才+1
    let year = this.data.month - 2 < 0 ? this.data.year - 1 : this.data.year;
    let month = this.data.month - 2 < 0 ? 11 : this.data.month - 2;
    this.setData({
      year: year,
      month: (month + 1)
    })
    this.dateInit(year, month);
  },
  nextMonth: function () {
    //全部时间的月份都是按0~11基准，显示月份才+1
    let year = this.data.month > 11 ? this.data.year + 1 : this.data.year;
    let month = this.data.month > 11 ? 0 : this.data.month;
    this.setData({
      year: year,
      month: (month + 1)
    })
    this.dateInit(year, month);
  },
  check(e){
    wx.showLoading({
      title: '正在加载',
    })
    this.setData({
      isToday: e.currentTarget.dataset.year + '' + e.currentTarget.dataset.month + '' + e.currentTarget.dataset.day
    })
    this.req(e.currentTarget.dataset.year + '-' + e.currentTarget.dataset.month + '-' + e.currentTarget.dataset.day)
  },
  req(time){
    let that=this
    wx.request({
      url: api.getAccessInfo,
      method: 'GET',
      data: { 'loginId': wx.getStorageSync('loginId'), 'time': time },
      success(res) {
        wx.hideLoading()
        if (res.data.data.length==0){
          that.setData({
            dataList: res.data.data
          })
          return false
        }
        for (let index in res.data.data){
          var date = new Date(res.data.data[index].openTime);//时间戳为10位需*1000，时间戳为13位的话不需乘1000
          var h = date.getHours() < 10 ? '0' + date.getHours()+':' : date.getHours() + ':';
          var m = date.getMinutes() < 10 ? '0' + date.getMinutes()+':' : date.getMinutes() + ':';
          var s = date.getSeconds() < 10 ? '0' + date.getSeconds() : date.getSeconds();
          res.data.data[index].openTime = h + m + s;
        }
        that.setData({
          dataList: res.data.data
        })
      }
    })
  }
})