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例1、 从服务器段获取到的字符串转化为时间如:转化1416882712000 NSString *time =1416882712000;//服务器上的时间字符串 NSInteger num = [time integerValue]/1000;(重点) NSDateFormatter *formatter = [[[NSDateFormatter alloc]init]autorelease]; [formatter setDateStyle:NSDateFormatterMediumStyle]; [formatter setTimeStyle:NSDateFormatterShortStyle]; [formatter setDateFormat:@YYYY-MM-dd]; NSDate*confromTimesp = [NSDate dateWithTimeIntervalSince1970:num]; NSString*confromTimespStr = [formatter stringFromDate:confromTimesp]; cell.DateContent.text = confromTimespStr; 转化之后结果为:2014-11-25 例2、如何如何将一个字符串如“ 20110826134106”装化为任意的日期时间格式,下面列举两种类型: NSString*string = @20110826134106; NSDateFormatter *inputFormatter= [[[NSDateFormatter alloc] init] autorelease]; [inputFormatter setLocale:[[[NSLocale alloc] initWithLocaleIdentifier:@en_US] autorelease]]; [inputFormatter setDateFormat:@yyyyMMddHHmmss]; NSDate*inputDate = [inputFormatter dateFromString:string]; NSLog(@date= %@, inputDate); NSDateFormatter *outputFormatter= [[[NSDateFormatter alloc] init] autorelease]; [outputFormatter setLocale:[NSLocale currentLocale]]; [outputFormatter setDateFormat:@yyyy年MM月dd日 HH时mm分ss秒]; NSString *str= [outputFormatter stringFromDate:inputDate]; NSLog(@testDate:%@,str); 两次打印的结果为: date= 2011-08-26 05:41:06 +0000 testDate:2011年08月26日 13时41分06秒
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原文地址:http://www.cnblogs.com/lovemm/p/4561682.html