做一个比较完整的微信小程序(一)

save_btn(e) {
    const date = e.currentTarget.dataset.date
    const a = e.currentTarget.dataset.array
    const a2 = e.currentTarget.dataset.arrayb
    console.log(date, a, a2)
    try {
      //经期长度
      wx.setStorageSync('jinqi', a)
      //周期长度
      wx.setStorageSync('zhouqi', a2)
      //最近一次月经
      wx.setStorageSync('zuijinriqi', date)
    } catch (e) {
    }

    wx.switchTab({
      url: '../calendar/calendar'
    })
  }

// 获取当月共多少天，传年和月
 getThisMonthDays(year, month) {
   //通过Date来获取当月天数
   return new Date(year, month, 0).getDate();
 },
 // 获取当月第一天星期几，传年和月
 getFirstDayOfWeek(year, month) {
   return new Date(Date.UTC(year, month - 1, 1)).getDay();
 },
 // 计算当月1号前空了几个格子
 calculateEmptyGrids(year, month) {
   const firstDayOfWeek = this.getFirstDayOfWeek(year, month);
   let empytGrids = [];
   if (firstDayOfWeek > 0) {
     //将不渲染的添加进入empytGrids数组
     for (let i = 0; i < firstDayOfWeek; i++) {
       empytGrids.push(i);
     }
     this.setData({
       hasEmptyGrid: true,
       empytGrids
     });
   } else {
     this.setData({
       hasEmptyGrid: false,
       empytGrids: []
     });
   }
 },
 // 绘制当月天数占的格子
 calculateDays(year, month) {
   let days = [];
   //获得当月共有多少天
   const thisMonthDays = this.getThisMonthDays(year, month);
   for (let i = 1; i <= thisMonthDays; i++) {
     days.push(i);
   }
   //设置当月天数
   this.setData({
     days
   });
 },

//计算天数差的函数
  DateDiff(sDate1, sDate2) {    //sDate1和sDate2是2002-12-18格式  
    var aDate, oDate1, oDate2, iDays
    aDate = sDate1.split("-")
    oDate1 = new Date(aDate[1] + '-' + aDate[2] + '-' + aDate[0])    //转换为12-18-2002格式  
    aDate = sDate2.split("-")
    oDate2 = new Date(aDate[1] + '-' + aDate[2] + '-' + aDate[0])
    iDays = parseInt(Math.abs(oDate1 - oDate2) / 1000 / 60 / 60 / 24)    //把相差的毫秒数转换为天数  
    return iDays
  },


  //计算上一个月月经初潮的日期，用于判断,day为月经周期,yuejindate上次月经日期
  oldyuejindate(yuejindate, day) {
    var yue = yuejindate.split("-")
    var yue2 = new Date(yue[0] + "/" + yue[1] + "/" + yue[2]);
    var intValue = 0;
    var endDate = null;
    var days
    //获得指定日期的毫秒数
    intValue = yue2.getTime();
    // console.log("hahhaha"+intValue)
    intValue -= day * (24 * 3600 * 1000);
    endDate = new Date(intValue);
    days = endDate.getFullYear() + "-" + (endDate.getMonth() + 1) + "-" + endDate.getDate()
    // console.log("hahhaha"+days)
    return days
  },

viewyue(cur_year, cur_month) {
    try {
      //月经持续时间
      var jinqi = wx.getStorageSync('jinqi');
      //月经周期
      var zhouqi = wx.getStorageSync('zhouqi');
      //上次月经日期
      var zuijinriqi = wx.getStorageSync('zuijinriqi');
      if (zuijinriqi) {
        // Do something with return value
      }
    } catch (e) {
      // Do something when catch error
    }
    //当前年月日
    var date = new Date();
    const day = date.getDate();
    var nowday = cur_year + "-" + cur_month + "-" + day;
    //将当月所有的日期都根据条件判断一下，然后放入不同的数组中
    var y = 0, a = 0, w = 0;
    var yuejinqi = [];
    var anquanqi = [];<