IOS时间戳合集,处理日期的功能方法
2014-07-28 13:31
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时间戳合集~
+ (NSString *)TimerString:(float)fTimer
{
int iHour = fTimer / 3600;
float fMinute = fTimer - (iHour * 3600);
int iMinute = fMinute / 60;
int iSecond = fMinute - (iMinute * 60);
if (iHour != 0)
{
return [NSString stringWithFormat:@"%.2d:%.2d:%.2d", iHour, iMinute, iSecond];
}
else
{
return [NSString stringWithFormat:@"%.2d:%.2d", iMinute, iSecond];
}
return nil;
}
+ (NSString *)GetCurrentDate
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"yyyy-MM-dd";
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSString *)GetPureCurrentDate
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"yyyyMMdd";
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSString *)GetCurrentTimeForFileSuffix
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"yyyy-MM-dd_HH-mm-ss_SSS";
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSString *)GetCurrentTimeStr
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSDate *)GetCurrentTime
{
NSDate *now = [NSDate date];
return now;
}
+ (NSTimeInterval)GetCurrentGMTTime
{
NSDate *now = [NSDate date];
NSTimeInterval nowTime = [now timeIntervalSince1970];
return nowTime;
}
+ (NSTimeInterval)GetCurrentMillisecondGMTTime
{
NSTimeInterval nowTime = [self GetCurrentGMTTime] * 1000;
NSTimeInterval _nowTime = nowTime/1000;
return _nowTime;
}
+ (NSString *)GetCurrentTimeStringWithFormat:(NSString *)format
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = format;
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSString*)setMonth
{
NSDateFormatter* nowTime = [[NSDateFormatter alloc]init];
[nowTime setDateFormat:@"y-MM"];
NSString* month = [NSString stringWithFormat:@"%@",[nowTime stringFromDate:[NSDate date]]];
[nowTime release];
return month;
}
+ (NSString*)setLastMonth:(NSString *)monthStr
{
NSString *tempY = [monthStr substringToIndex:4];
NSString *tempM = [monthStr substringFromIndex:5];
int tmpY = [tempY intValue];
int tmpM = [tempM intValue];
if (1 == tmpM) {
tmpY--;
tmpM = 12;
}
else {
tmpM--;
}
NSString* lastMonth = [NSString stringWithFormat:@"%d-%02d",tmpY,tmpM];
return lastMonth;
}
+ (NSDate *)GetDateWithTimeString:(NSString *)time
{
if (time == nil)
{
return nil;
}
NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
NSDate *date = [formatter dateFromString:time];
return date;
}
+ (NSDate *)GetDateWithTimeString:(NSString *)time format:(NSString *)format
{
if (time == nil){
return nil;
}
NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
[formatter setDateFormat:format];
NSDate *date = [formatter dateFromString:time];
return date;
}
+ (NSString *)getDateStringTimeInterval:(unsigned long long)timeInterval
{
NSDate *date = [NSDate dateWithTimeIntervalSince1970:timeInterval];
NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
return [formatter stringFromDate:date];
}
+ (NSDate *)GetDateWithGMT:(unsigned long long)timeInterval
{
return [NSDate dateWithTimeIntervalSince1970:timeInterval];
}
+ (NSString *)GetStringWithDate:(NSDate *)time
{
if (time == nil)
{
return @"";
}
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy-MM-dd"];
NSString *date = [[formatter stringFromDate:time] retain];
[formatter release];
return [date autorelease];
}
+ (NSString *)GetStringWithDate:(NSDate *)time format:(NSString *)format
{
if (time == nil)
{
return @"";
}
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:format];
NSString *date = [[formatter stringFromDate:time] retain];
[formatter release];
return [date autorelease];
}
+ (NSString *)GetLocalStringWithDate:(NSDate *)time format:(NSString *)format
{
NSDateFormatter* fmt = [[NSDateFormatter alloc] init];
fmt.locale = [NSLocale currentLocale];
[fmt setDateStyle:NSDateFormatterShortStyle];
[fmt setTimeStyle:NSDateFormatterShortStyle];
// if (format) {
// fmt.dateFormat = format;
// }else{
// fmt.dateFormat = @"yyyy-MM-dd HH:mm a";
// }
NSString* dateString = [fmt stringFromDate:time];
return dateString;
}
+ (NSString *)GetStringHourWithDate:(NSDate *)time
{
if (time == nil)
{
return @"";
}
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"h:mm a"];
NSString *date = [formatter stringFromDate:time];
NSString *ret = @" ";
if (date != nil)
{
ret = [[NSString alloc] initWithString:date];
}
[formatter release];
return [ret autorelease];
}
+ (NSDate *)ConvertDatetoLocal:(NSDate *)date
{
if (date == nil)
{
return nil;
}
NSTimeZone *zone = [NSTimeZone systemTimeZone];
NSInteger interval = [zone secondsFromGMTForDate: date];
NSDate *localeDate = [date dateByAddingTimeInterval: interval];
return localeDate;
}
+ (NSDate *)ConvertGMTTimeToLocal:(NSTimeInterval)timeinterval
{
NSTimeZone *zone = [NSTimeZone systemTimeZone];
NSDate *date = [TimeHelper GetDateWithGMT:timeinterval];
NSInteger interval = [zone secondsFromGMTForDate: date];
NSDate *localeDate = [date dateByAddingTimeInterval: interval];
return localeDate;
}
+(NSString *)getFormateTimeWithDate:(NSDate *)timeDate
{
if (timeDate == nil)
{
return @" ";
}
NSDate *currentlocaleDate = [TimeHelper GetCurrentTime]; // 当前时间
long long todayInterval = [currentlocaleDate timeIntervalSince1970];
currentlocaleDate = [currentlocaleDate dateByAddingTimeInterval:-(todayInterval%86400)];
todayInterval = [currentlocaleDate timeIntervalSince1970];
NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc]init] autorelease];
[dateFormatter setDateFormat:@"dd/MM/yyyy HH:mm:ss"];
NSString *dateStr = [dateFormatter stringFromDate:timeDate];
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSDate *date = [dateFormatter dateFromString:dateStr]; //要转换的时间
long long dateInterval = [date timeIntervalSince1970];
int intervalDay = (long long)(todayInterval - (dateInterval-dateInterval%86400))/86400;
if (intervalDay < 1 && intervalDay >= 0) //今天
{
todayInterval = [[TimeHelper GetCurrentTime] timeIntervalSince1970];
int todayHour = (long long)todayInterval%86400/3600;
int dateHour = (long long)dateInterval%86400/3600;
int intervalHour = todayHour - dateHour;
int minInterval = (todayInterval - dateInterval)/60;
if (intervalHour == 0 || (intervalHour == 1 && minInterval < 60)) // 1小时之内
{
NSString *timeStr = nil;
if (minInterval <= 0)
{
return NSLocalizedString(@"Now", nil);
}
else
{
timeStr = [NSString stringWithFormat:@"%d",minInterval];
}
if (minInterval > 1) {
timeStr = [NSString stringWithFormat:@"%@ %@",timeStr,NSLocalizedString(@"mins ago", nil)];
}else{
timeStr = [NSString stringWithFormat:@"%@ %@",timeStr,NSLocalizedString(@"min ago", nil)];
}
return NSLocalizedString(timeStr, nil);
}
return [[self class] GetStringHourWithDate:timeDate];
}
if(intervalDay < 2)// 昨天
{
return NSLocalizedString(@"Yesterday", nil);
}
int weekInterval = (todayInterval - dateInterval)/86400/7;
if (weekInterval == 0)//一周之内
{
[dateFormatter setDateFormat:@"EEE, MMM d, yy"];
NSString *str = [dateFormatter stringFromDate:date];
NSArray *array = [str componentsSeparatedByString:@","];
str = [array objectAtIndex:0];
return NSLocalizedString(str, nil);
}
return [dateStr substringToIndex:10];
}
+ (NSString *)getTimeStrWithDate:(NSDate *)timeDate
{
if (time == nil)
{
return @"";
}
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"MM-dd HH:mm"];
NSString *date = [[formatter stringFromDate:timeDate] copy];
[formatter release];
return [date autorelease];
}
+ (uint32_t)GenerateRandomNum
{
if (randomSeedflag) {
srandom((unsigned int)time(NULL));
randomSeedflag = NO;
}
uint32_t ret = random();
return ret;
}
+ (long)GenerateRandomNumLong
{
if (randomSeedflaglong) {
srandom((unsigned int)time(NULL));
randomSeedflaglong = NO;
}
long ret = random();
return ret;
}
+ (NSString *)amStringWithStr:(NSString *)dateStr
{
if (dateStr == nil){
return @"";
}
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
if ([dateStr length] > 11) {
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
}else{
[formatter setDateFormat:@"MM-dd HH:mm"];
}
NSDate *date = [formatter dateFromString:dateStr];
[formatter setDateFormat:@"MM-dd h:mm a"];
NSString *str = [formatter stringFromDate:date];
[formatter release];
if (str) {
return str;
}
return dateStr;
}
+ (NSString *)TimerString:(float)fTimer
{
int iHour = fTimer / 3600;
float fMinute = fTimer - (iHour * 3600);
int iMinute = fMinute / 60;
int iSecond = fMinute - (iMinute * 60);
if (iHour != 0)
{
return [NSString stringWithFormat:@"%.2d:%.2d:%.2d", iHour, iMinute, iSecond];
}
else
{
return [NSString stringWithFormat:@"%.2d:%.2d", iMinute, iSecond];
}
return nil;
}
+ (NSString *)GetCurrentDate
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"yyyy-MM-dd";
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSString *)GetPureCurrentDate
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"yyyyMMdd";
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSString *)GetCurrentTimeForFileSuffix
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"yyyy-MM-dd_HH-mm-ss_SSS";
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSString *)GetCurrentTimeStr
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = @"yyyy-MM-dd HH:mm:ss";
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSDate *)GetCurrentTime
{
NSDate *now = [NSDate date];
return now;
}
+ (NSTimeInterval)GetCurrentGMTTime
{
NSDate *now = [NSDate date];
NSTimeInterval nowTime = [now timeIntervalSince1970];
return nowTime;
}
+ (NSTimeInterval)GetCurrentMillisecondGMTTime
{
NSTimeInterval nowTime = [self GetCurrentGMTTime] * 1000;
NSTimeInterval _nowTime = nowTime/1000;
return _nowTime;
}
+ (NSString *)GetCurrentTimeStringWithFormat:(NSString *)format
{
NSDate *now = [NSDate date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
dateFormatter.dateFormat = format;
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSString *date = [[NSString alloc] initWithString:[dateFormatter stringFromDate:now]];
[dateFormatter release];
return [date autorelease];
}
+ (NSString*)setMonth
{
NSDateFormatter* nowTime = [[NSDateFormatter alloc]init];
[nowTime setDateFormat:@"y-MM"];
NSString* month = [NSString stringWithFormat:@"%@",[nowTime stringFromDate:[NSDate date]]];
[nowTime release];
return month;
}
+ (NSString*)setLastMonth:(NSString *)monthStr
{
NSString *tempY = [monthStr substringToIndex:4];
NSString *tempM = [monthStr substringFromIndex:5];
int tmpY = [tempY intValue];
int tmpM = [tempM intValue];
if (1 == tmpM) {
tmpY--;
tmpM = 12;
}
else {
tmpM--;
}
NSString* lastMonth = [NSString stringWithFormat:@"%d-%02d",tmpY,tmpM];
return lastMonth;
}
+ (NSDate *)GetDateWithTimeString:(NSString *)time
{
if (time == nil)
{
return nil;
}
NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
NSDate *date = [formatter dateFromString:time];
return date;
}
+ (NSDate *)GetDateWithTimeString:(NSString *)time format:(NSString *)format
{
if (time == nil){
return nil;
}
NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
[formatter setDateFormat:format];
NSDate *date = [formatter dateFromString:time];
return date;
}
+ (NSString *)getDateStringTimeInterval:(unsigned long long)timeInterval
{
NSDate *date = [NSDate dateWithTimeIntervalSince1970:timeInterval];
NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
return [formatter stringFromDate:date];
}
+ (NSDate *)GetDateWithGMT:(unsigned long long)timeInterval
{
return [NSDate dateWithTimeIntervalSince1970:timeInterval];
}
+ (NSString *)GetStringWithDate:(NSDate *)time
{
if (time == nil)
{
return @"";
}
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy-MM-dd"];
NSString *date = [[formatter stringFromDate:time] retain];
[formatter release];
return [date autorelease];
}
+ (NSString *)GetStringWithDate:(NSDate *)time format:(NSString *)format
{
if (time == nil)
{
return @"";
}
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:format];
NSString *date = [[formatter stringFromDate:time] retain];
[formatter release];
return [date autorelease];
}
+ (NSString *)GetLocalStringWithDate:(NSDate *)time format:(NSString *)format
{
NSDateFormatter* fmt = [[NSDateFormatter alloc] init];
fmt.locale = [NSLocale currentLocale];
[fmt setDateStyle:NSDateFormatterShortStyle];
[fmt setTimeStyle:NSDateFormatterShortStyle];
// if (format) {
// fmt.dateFormat = format;
// }else{
// fmt.dateFormat = @"yyyy-MM-dd HH:mm a";
// }
NSString* dateString = [fmt stringFromDate:time];
return dateString;
}
+ (NSString *)GetStringHourWithDate:(NSDate *)time
{
if (time == nil)
{
return @"";
}
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"h:mm a"];
NSString *date = [formatter stringFromDate:time];
NSString *ret = @" ";
if (date != nil)
{
ret = [[NSString alloc] initWithString:date];
}
[formatter release];
return [ret autorelease];
}
+ (NSDate *)ConvertDatetoLocal:(NSDate *)date
{
if (date == nil)
{
return nil;
}
NSTimeZone *zone = [NSTimeZone systemTimeZone];
NSInteger interval = [zone secondsFromGMTForDate: date];
NSDate *localeDate = [date dateByAddingTimeInterval: interval];
return localeDate;
}
+ (NSDate *)ConvertGMTTimeToLocal:(NSTimeInterval)timeinterval
{
NSTimeZone *zone = [NSTimeZone systemTimeZone];
NSDate *date = [TimeHelper GetDateWithGMT:timeinterval];
NSInteger interval = [zone secondsFromGMTForDate: date];
NSDate *localeDate = [date dateByAddingTimeInterval: interval];
return localeDate;
}
+(NSString *)getFormateTimeWithDate:(NSDate *)timeDate
{
if (timeDate == nil)
{
return @" ";
}
NSDate *currentlocaleDate = [TimeHelper GetCurrentTime]; // 当前时间
long long todayInterval = [currentlocaleDate timeIntervalSince1970];
currentlocaleDate = [currentlocaleDate dateByAddingTimeInterval:-(todayInterval%86400)];
todayInterval = [currentlocaleDate timeIntervalSince1970];
NSDateFormatter *dateFormatter = [[[NSDateFormatter alloc]init] autorelease];
[dateFormatter setDateFormat:@"dd/MM/yyyy HH:mm:ss"];
NSString *dateStr = [dateFormatter stringFromDate:timeDate];
[dateFormatter setTimeZone:[NSTimeZone systemTimeZone]];
NSDate *date = [dateFormatter dateFromString:dateStr]; //要转换的时间
long long dateInterval = [date timeIntervalSince1970];
int intervalDay = (long long)(todayInterval - (dateInterval-dateInterval%86400))/86400;
if (intervalDay < 1 && intervalDay >= 0) //今天
{
todayInterval = [[TimeHelper GetCurrentTime] timeIntervalSince1970];
int todayHour = (long long)todayInterval%86400/3600;
int dateHour = (long long)dateInterval%86400/3600;
int intervalHour = todayHour - dateHour;
int minInterval = (todayInterval - dateInterval)/60;
if (intervalHour == 0 || (intervalHour == 1 && minInterval < 60)) // 1小时之内
{
NSString *timeStr = nil;
if (minInterval <= 0)
{
return NSLocalizedString(@"Now", nil);
}
else
{
timeStr = [NSString stringWithFormat:@"%d",minInterval];
}
if (minInterval > 1) {
timeStr = [NSString stringWithFormat:@"%@ %@",timeStr,NSLocalizedString(@"mins ago", nil)];
}else{
timeStr = [NSString stringWithFormat:@"%@ %@",timeStr,NSLocalizedString(@"min ago", nil)];
}
return NSLocalizedString(timeStr, nil);
}
return [[self class] GetStringHourWithDate:timeDate];
}
if(intervalDay < 2)// 昨天
{
return NSLocalizedString(@"Yesterday", nil);
}
int weekInterval = (todayInterval - dateInterval)/86400/7;
if (weekInterval == 0)//一周之内
{
[dateFormatter setDateFormat:@"EEE, MMM d, yy"];
NSString *str = [dateFormatter stringFromDate:date];
NSArray *array = [str componentsSeparatedByString:@","];
str = [array objectAtIndex:0];
return NSLocalizedString(str, nil);
}
return [dateStr substringToIndex:10];
}
+ (NSString *)getTimeStrWithDate:(NSDate *)timeDate
{
if (time == nil)
{
return @"";
}
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"MM-dd HH:mm"];
NSString *date = [[formatter stringFromDate:timeDate] copy];
[formatter release];
return [date autorelease];
}
+ (uint32_t)GenerateRandomNum
{
if (randomSeedflag) {
srandom((unsigned int)time(NULL));
randomSeedflag = NO;
}
uint32_t ret = random();
return ret;
}
+ (long)GenerateRandomNumLong
{
if (randomSeedflaglong) {
srandom((unsigned int)time(NULL));
randomSeedflaglong = NO;
}
long ret = random();
return ret;
}
+ (NSString *)amStringWithStr:(NSString *)dateStr
{
if (dateStr == nil){
return @"";
}
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
if ([dateStr length] > 11) {
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
}else{
[formatter setDateFormat:@"MM-dd HH:mm"];
}
NSDate *date = [formatter dateFromString:dateStr];
[formatter setDateFormat:@"MM-dd h:mm a"];
NSString *str = [formatter stringFromDate:date];
[formatter release];
if (str) {
return str;
}
return dateStr;
}
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