判断NSDate是星期几和农历

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1、怎么改frame的宽高？
UIDatePicker的三个高度，162、180、216

1 2	UIDatePicker*_datePicker = [[UIDatePicker alloc]init]; _datePicker.frame = CGRectMake(20, 100, 280, 162);

2、判断NSDate是星期几

- (NSString*)weekdayStringFromDate:(NSDate*)inputDate {

NSArray *weekdays = [NSArray arrayWithObjects: [NSNull null], @"星期天", @"星期一", @"星期二", @"星期三", @"星期四", @"星期五", @"星期六", nil];

NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];

NSTimeZone *timeZone = [[NSTimeZone alloc] initWithName:@"Asia/Shanghai"];

[calendar setTimeZone: timeZone];

NSCalendarUnit calendarUnit = NSCalendarUnitWeekday;

NSDateComponents *theComponents = [calendar components:calendarUnit fromDate:inputDate];

return [weekdays objectAtIndex:theComponents.weekday];

}

3、判断NSDate的农历

-(NSString*)getChineseCalendarWithDate:(NSDate *)date{

NSArray *chineseYears = [NSArray arrayWithObjects:

@"甲子", @"乙丑", @"丙寅", @"丁卯", @"戊辰", @"己巳", @"庚午", @"辛未", @"壬申", @"癸酉",

@"甲戌", @"乙亥", @"丙子", @"丁丑", @"戊寅", @"己卯", @"庚辰", @"辛己", @"壬午", @"癸未",

@"甲申", @"乙酉", @"丙戌", @"丁亥", @"戊子", @"己丑", @"庚寅", @"辛卯", @"壬辰", @"癸巳",

@"甲午", @"乙未", @"丙申", @"丁酉", @"戊戌", @"己亥", @"庚子", @"辛丑", @"壬寅", @"癸丑",

@"甲辰", @"乙巳", @"丙午", @"丁未", @"戊申", @"己酉", @"庚戌", @"辛亥", @"壬子", @"癸丑",

@"甲寅", @"乙卯", @"丙辰", @"丁巳", @"戊午", @"己未", @"庚申", @"辛酉", @"壬戌", @"癸亥", nil];

NSArray *chineseMonths=[NSArray arrayWithObjects:

@"正月", @"二月", @"三月", @"四月", @"五月", @"六月", @"七月", @"八月",

@"九月", @"十月", @"冬月", @"腊月", nil];

NSArray *chineseDays=[NSArray arrayWithObjects:

@"初一", @"初二", @"初三", @"初四", @"初五", @"初六", @"初七", @"初八", @"初九", @"初十",

@"十一", @"十二", @"十三", @"十四", @"十五", @"十六", @"十七", @"十八", @"十九", @"二十",

@"廿一", @"廿二", @"廿三", @"廿四", @"廿五", @"廿六", @"廿七", @"廿八", @"廿九", @"三十", nil];

NSCalendar *localeCalendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierChinese];

unsigned unitFlags = NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay;

NSDateComponents *localeComp = [localeCalendar components:unitFlags fromDate:date];

NSLog(@"%zd_%zd_%zd",localeComp.year,localeComp.month,localeComp.day);

NSString *y_str = [chineseYears objectAtIndex:localeComp.year-1];

NSString *m_str = [chineseMonths objectAtIndex:localeComp.month-1];

NSString *d_str = [chineseDays objectAtIndex:localeComp.day-1];

NSString *chineseCal_str =[NSString stringWithFormat: @"%@_%@_%@",y_str,m_str,d_str];

return chineseCal_str;

}