selectDataMarkLine: function () {
 let dateList = this.data.dateList;
 let { checkInDate, checkOutDate } = wx.getStorageSync("ROOM_SOURCE_DATE");
 let curreInid = checkInDate.substr(0, 4) + "-" + (checkInDate.substr(5, 2) < 10 ? checkInDate.substr(6, 1) : checkInDate.substr(5, 2));//选择入住的id
 let curreOutid = checkOutDate.substr(0, 4) + "-" + (checkOutDate.substr(5, 2) < 10 ? checkOutDate.substr(6, 1) : checkOutDate.substr(5, 2));//选择离店的id
 let dayIn = checkInDate.substr(8, 2) >= 10 ? checkInDate.substr(8, 2) : checkInDate.substr(9, 1);//选择入住的天id
 let dayOut = checkOutDate.substr(8, 2) >= 10 ? checkOutDate.substr(8, 2) : checkOutDate.substr(9, 1);//选择离店的天id
 let monthIn = checkInDate.substr(5, 2) >= 10 ? checkInDate.substr(5, 2) : checkInDate.substr(6, 1);//选择入店的月id
 let monthOut = checkOutDate.substr(5, 2) >= 10 ? checkOutDate.substr(5, 2) : checkOutDate.substr(6, 1);//选择离店的月id
 if (curreInid == curreOutid) {//入住与离店是当月的情形
 for (let i = 0; i < dateList.length; i++) {
 if (dateList[i].id == curreInid) {
 let days = dateList[i].days;
 for (let k = 0; k < days.length; k++) {
 if (days[k].day >= dayIn && days[k].day <= dayOut) {
              days[k].class = days[k].class + ' bgitem';
 }
 if (days[k].day == dayIn) {
              days[k].class = days[k].class + ' active';
              days[k].inday = true;
 }
 if (days[k].day == dayOut) {
              days[k].class = days[k].class + ' active';
              days[k].outday = true;
 }
 }
 }
 }
 } else {//跨月
 for (let j = 0; j < dateList.length; j++) {
 if (dateList[j].month == monthIn) {//入住的最先月份
 let days = dateList[j].days;
 for (let k = 0; k < days.length; k++) {
 if (days[k].day >= dayIn) {
              days[k].class = days[k].class + ' bgitem';
 }
 if (days[k].day == dayIn) {
              days[k].class = days[k].class + ' active';
              days[k].inday = true;
 }
 }
 } else {//入住跨月月份
 if (dateList[j].month < monthOut) {//离店中心的月份
 let days = dateList[j].days;
 for (let k = 0; k < days.length; k++) {
              days[k].class = days[k].class + ' bgitem';
 }
 } else if (dateList[j].month == monthOut) {//离店最后的月份
 let days = dateList[j].days;
 for (let k = 0; k < days.length; k++) {
 if (days[k].day <= dayOut) {
                days[k].class = days[k].class + ' bgitem';
 }
 if (days[k].day == dayOut) {
                days[k].class = days[k].class + ' active';
                days[k].outday = true;
 }
 }
 }
 }
 }
 }
 this.setData({
      dateList: dateList
 })
 },

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