var d = new Date(this.viewDate),
                year = d.getUTCFullYear(),
                month = d.getUTCMonth(),
                dayMonth = d.getUTCDate(),
                hours = d.getUTCHours(),
                minutes = d.getUTCMinutes(),
                startYear = this.startDate !== -Infinity ? this.startDate.getUTCFullYear() : -Infinity,
                startMonth = this.startDate !== -Infinity ? this.startDate.getUTCMonth() + 1 : -Infinity,
                endYear = this.endDate !== Infinity ? this.endDate.getUTCFullYear() : Infinity,
                endMonth = this.endDate !== Infinity ? this.endDate.getUTCMonth() + 2 : Infinity,//+1 改为 +2 后，设置月份恢复正常
                currentDate = (new UTCDate(this.date.getUTCFullYear(), this.date.getUTCMonth(), this.date.getUTCDate())).valueOf(),
                today = new Date();