获取当前时间
内容导读
互联网集市收集整理的这篇技术教程文章主要介绍了获取当前时间，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含2010字，纯文字阅读大概需要3分钟。
内容图文
- (void)getDateOne
{
NSDate *date = [NSDate date];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"YYYY-MM-dd hh:mm:ss"];
NSString *DateTime = [formatter stringFromDate:date];
NSLog(@"%@============年-月-日 时：分：秒=====================",DateTime);
}
方式二：XXXX年-X月-X日 XX时:XX分:XX秒的格式
- (void)getDateTwo
NSDate *now = [NSDate date];
NSLog(@"now date is: %@", now);
NSCalendar *calendar = [NSCalendar currentCalendar];
NSUInteger unitFlags =
NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond;
NSInteger year = [dateComponent year];
NSInteger month = [dateComponent month];
NSInteger day = [dateComponent day];
NSInteger hour = [dateComponent hour];
NSInteger minute = [dateComponent minute];
NSInteger second = [dateComponent second];
NSLog(@"year is: %ld", (long)year);
NSLog(@"month is: %ld", (long)month);
NSLog(@"day is: %ld", (long)day);
NSLog(@" hour is: %ld", (long)hour);
NSLog(@"minute is: %ld", (long)minute );
NSLog(@"second is: %ld", (long)second);
//字符串的转化并且拼接
NSString *yearstr=[NSString stringWithFormat:@"%ld-",(long)year];
NSString *monthstr=[NSString stringWithFormat:@"%ld-",(long)month];
NSString *daystr=[NSString stringWithFormat:@"%ld ",(long)day];
NSString *hourstr=[NSString stringWithFormat:@"%ld:",(long)hour];
NSString *minutestr=[NSString stringWithFormat:@"%ld:",(long)minute];
NSString *secondstr=[NSString stringWithFormat:@"%ld",(long)second];
//字符串开始拼接
NSString *allstr=[yearstr stringByAppendingString:monthstr];
NSString *allstr1=[allstr stringByAppendingString:daystr];
NSString *allstr2=[allstr1 stringByAppendingString:hourstr];
NSString *allstr3=[allstr2 stringByAppendingString:minutestr];
NSString *DateTime=[allstr3 stringByAppendingString:secondstr];
NSLog(@"最后年月日时分秒拼接的结果=====%@",DateTime);
}
原文：http://www.cnblogs.com/haotianToch/p/6592834.html
内容总结
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