洛沫的天涯

NSString --> NSDate:NSDateFormatter *dateFormatter = [[NSDateFormatter alloc]init];[dateFormatter setDateFormat:@"yyyy-MM-dd"];NSDate *tempDate = [dateFormatterdateFromString:@"2012-12-21"]

获取农历节日的算法：+(NSString *)getLunarHoliDayDate:(NSDate *)date{NSTimeInterval timeInterval_day = float(60*60*24);NSDate *nextDay_date = [NSDate dateWithTimeInterval:timeInterval_day sinceDate:date];NSC

主要有以下类： NSDate -- 表示一个绝对的时间点NSTimeZone -- 时区信息NSLocale -- 本地化信息NSDateComponents -- 一个封装了具体年月日、时秒分、周、季度等的类NSCalendar -- 日历类，它提供了大部分的日期计算接口，并且允许您在NSDate和NSDateComponents之间转换NSDateFormatter -

NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];NSDate *now;NSDateComponents *comps = [[NSDateComponents alloc] init];NSInteger unitFlags = NSYearCalen

NSString --> NSDate:NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];[dateFormatter setDateFormat:@"yyyy-MM-dd"];NSDate *tempDate = [dateFormatter dateFromString:@"2012-12-2

+(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",

-(NSString *)compareDate:(NSDate *)date{    NSTimeInterval secondsPerDay = 24 * 60 * 60;    NSDate *today = [[NSDate alloc] init];    NSDate *tomorrow, *yesterday;    tomor

-(NSDate*)zoneChange:(NSString*)second{NSDate *confromTimesp = [NSDate dateWithTimeIntervalSince1970:[second intValue]];NSTimeZone *zone = [NSTimeZone systemTimeZone];    NSInteger interva