typedef enum{
 DateStyleShowYearMonthDayHourMinute = 0,
 DateStyleShowMonthDayHourMinute,
 DateStyleShowYearMonthDay,
 DateStyleShowMonthDay,
 DateStyleShowHourMinute 
}XHDateStyle;
//日期选择器样式
@property (nonatomic,assign)XHDateStyle datePickerStyle;

typedef enum{
 DateTypeStartDate,
 DateTypeEndDate 
}XHDateType;
//设置是时间类型
@property (nonatomic,assign)XHDateType dateType;

@property (nonatomic, retain) NSDate *maxLimitDate;//限制最大时间（没有设置默认2049）
@property (nonatomic, retain) NSDate *minLimitDate;//限制最小时间（没有设置默认1970）

-(instancetype)initWithCompleteBlock:(void(^)(NSDate *,NSDate *))completeBlock;

  XHDatePickerView *datepicker = [[XHDatePickerView alloc] initWithCompleteBlock:^(NSDate *startDate,NSDate *endDate) {
    NSLog(@"\n开始时间： %@，结束时间：%@",startDate,endDate);
    self.startTimeText.text = [startDate stringWithFormat:@"yyyy-MM-dd HH:mm"];
    self.endtimeText.text = [endDate stringWithFormat:@"yyyy-MM-dd HH:mm"];
  }];
  datepicker.datePickerStyle = DateStyleShowYearMonthDayHourMinute;
  datepicker.dateType = DateTypeStartDate;
  datepicker.minLimitDate = [NSDate date:@"2017-08-11 12:22" WithFormat:@"yyyy-MM-dd HH:mm"];
  datepicker.maxLimitDate = [NSDate date:@"2020-12-12 12:12" WithFormat:@"yyyy-MM-dd HH:mm"];
  [datepicker show];