//从1970年开始到现在经过了多少秒
+(NSString *)getTimeSp
{
NSString *time;
NSDate *fromdate=[NSDate date];
time = [NSString stringWithFormat:@"%f",[fromdate timeIntervalSince1970]];
return time;
}
//转毫秒
+(NSString *)getTimeSpmillisecond
{
NSString *time;
NSDate *fromdate=[NSDate date];
time = [NSString stringWithFormat:@"%f",[fromdate timeIntervalSince1970]*1000];
return time;
}
//将时间戳转换成NSDate,转换的时间是格林尼治时间
+(NSDate *)changeSpToTime:(NSString*)spString
{
NSDate *confromTimesp = [NSDate dateWithTimeIntervalSince1970:[spString intValue]];
NSLog(@"%@",confromTimesp);
return confromTimesp;
}
//将时间戳转换成NSDate,加上时区偏移。这个转换之后是北京时间
+(NSDate*)zoneChange:(NSString*)spString
{
NSDate *confromTimesp = [NSDate dateWithTimeIntervalSince1970:[spString intValue]];
NSTimeZone *zone = [NSTimeZone systemTimeZone];
NSInteger interval = [zone secondsFromGMTForDate:confromTimesp];
NSDate *localeDate = [confromTimesp dateByAddingTimeInterval: interval];
NSLog(@"%@",localeDate);
return localeDate;
}
//比较给定NSDate与当前时间的时间差，返回相差的秒数
+(long)timeDifference:(NSDate *)date
{
NSDate *localeDate = [NSDate date];
long difference =fabs([localeDate timeIntervalSinceDate:date]);
return difference;
}
//比较两个NSDte之间的时间差，返回相差秒数
+(long)timeDifferents:(NSDate*)startTime andEndDate:(NSDate*)endDate{
long difference =fabs([endDate timeIntervalSinceDate:startTime]);
return difference;
}
//将NSDate按yyyy-MM-dd HH:mm:ss格式时间输出
+(NSString*)nsdateToString:(NSDate *)date Andformat:(NSString *)formatStr
{
NSDateFormatter *dateFormat=[[NSDateFormatter alloc]init];
[dateFormat setDateFormat:formatStr];
NSString* string=[dateFormat stringFromDate:date];
NSLog(@"%@",string);
return string;
}
//将yyyy-MM-dd HH:mm:ss格式时间转换成时间戳
+(long)changeTimeToTimeSp:(NSString *)timeStr Andformat:(NSString *)formatStr
{
long time;
NSDateFormatter *format=[[NSDateFormatter alloc] init];
[format setDateFormat:formatStr];
NSDate *fromdate=[format dateFromString:timeStr];
time= (long)[fromdate timeIntervalSince1970];
NSLog(@"%ld",time);
return time;
}
//获取当前时间的时间戳加随机串
+ (NSString *)getTimeSpNowAndRandom{
return [NSString stringWithFormat:@"%@-%u",[self getTimeSp], (arc4random() % 900) + 100];// 100-999随机数
}
//获取当前系统的yyyy-MM-dd HH:mm:ss格式时间
{
NSDate *fromdate=[NSDate date];
NSDateFormatter *dateFormat=[[NSDateFormatter alloc]init];
[dateFormat setDateFormat:formatStr];
NSString* string=[dateFormat stringFromDate:fromdate];
return string;
}
//将当前时间转化为年月日格式
{
NSDate *date = [NSDate date];
NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
NSInteger unitFlags = NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitWeekday |
NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond;
NSDateComponents *comps = [calendar components:unitFlags fromDate:date];
NSInteger year = [comps year];
NSInteger month = [comps month];
NSInteger day = [comps day];
NSInteger hour = [comps hour];
NSInteger min = [comps minute];
NSInteger sec = [comps second];
NSString *string = [NSString stringWithFormat:@"%ld年%ld月%ld日%ld时%ld分%ld秒",(long)year,(long)month,(long)day,(long)hour,(long)min,(long)sec];
NSLog(@"%@",string);
return string;
}
/* 计算消息时间距离当前时差 */
+ (NSString *)compareWithDateNow:(NSString *)oldtime {
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
NSTimeZone *localTimeZone = [NSTimeZone localTimeZone];
[dateFormatter setTimeZone:localTimeZone];
NSTimeInterval timeInterval= [oldtime doubleValue] / 1000;
NSDate *oldDate= [NSDate dateWithTimeIntervalSince1970:timeInterval];
NSDate *dateNow = [NSDate date];
NSCalendar* chineseClendar = [[NSCalendar alloc ] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
NSUInteger unitFlags = NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond | NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear;
NSDateComponents *cps = [chineseClendar components:unitFlags fromDate:oldDate toDate:dateNow options:0];
//判断时间与现在时间的差值
NSInteger diffYear = [cps year];
NSInteger diffMon = [cps month];
NSInteger diffDay = [cps day];
NSInteger diffHour = [cps hour];
NSInteger diffMin = [cps minute];
if(diffYear == 0)
{
if(diffDay == 0 && diffMon == 0 && diffHour == 0 && diffMin < 10) {
return @"刚刚";
}
else if(diffDay ==0 && diffMon == 0 && diffHour == 0 && diffMin < 60 && diffMin > 10) {
return @"10分钟前";
}
else if(diffDay == 0 && diffMon == 0 && diffHour >= 1 && diffHour < 2) {
return @"1个小时前";
}
else if(diffDay == 0 && diffMon == 0 && diffHour > 2 && diffHour < 24) {
NSTimeInterval timeInterval= [oldtime doubleValue] / 1000;
NSDate *resDate= [NSDate dateWithTimeIntervalSince1970:timeInterval];
[dateFormatter setDateFormat:@"HH:mm"];
NSTimeZone *localTimeZone = [NSTimeZone localTimeZone];
[dateFormatter setTimeZone:localTimeZone];
NSString *strTime = [dateFormatter stringFromDate:resDate];
return strTime;
}else {
NSTimeInterval timeInterval= [oldtime doubleValue] / 1000;
NSDate *resDate= [NSDate dateWithTimeIntervalSince1970:timeInterval];
[dateFormatter setDateFormat:@"MM-dd"];
NSTimeZone *localTimeZone = [NSTimeZone localTimeZone];
[dateFormatter setTimeZone:localTimeZone];
NSString *strTime = [dateFormatter stringFromDate:resDate];
return strTime;
}
}else {
NSTimeInterval timeInterval= [oldtime doubleValue] / 1000;
NSDate *resDate= [NSDate dateWithTimeIntervalSince1970:timeInterval];
[dateFormatter setDateFormat:@"yyyy-MM-dd"];
NSTimeZone *localTimeZone = [NSTimeZone localTimeZone];
[dateFormatter setTimeZone:localTimeZone];
NSString *strTime = [dateFormatter stringFromDate:resDate];
return strTime;
}
}
//获取当前这一天所在周的开始时间
+(NSDate *)getCurrentDayStartDayWeekAndDate:(NSDate *)today{
NSDateFormatter *dateFormat = [[NSDateFormatter alloc] init];
[dateFormat setDateFormat:@"yyyy-MM-dd"];// you can use your format.
//Week Start Date
NSCalendar *gregorian = [[NSCalendar alloc]initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
NSDateComponents *components = [gregorian components:NSCalendarUnitWeekday | NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay fromDate:today];
NSInteger dayofweek = [[[NSCalendar currentCalendar] components:NSCalendarUnitWeekday fromDate:today] weekday];// this will give you current day of week
[components setDay:([components day] - ((dayofweek) - 3))];// for beginning of the week.
NSDate *beginningOfWeek = [gregorian dateFromComponents:components];
return beginningOfWeek;
}
//获取当前这一天所在周的结束时间
+(NSDate *)getCurrentDayEndDayWeekAndDate:(NSDate *)today{
NSCalendar *gregorian = [[NSCalendar alloc]initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
NSCalendar *gregorianEnd = [[NSCalendar alloc] initWithCalendarIdentifier:NSCalendarIdentifierGregorian];
NSDateComponents *componentsEnd = [gregorian components:NSCalendarUnitWeekday | NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay fromDate:today];
NSInteger Enddayofweek = [[[NSCalendar currentCalendar] components:NSCalendarUnitWeekday fromDate:today] weekday];// this will give you current day of week
[componentsEnd setDay:([componentsEnd day]+(7-Enddayofweek)+2)];// for end day of the week
NSDate *EndOfWeek = [gregorianEnd dateFromComponents:componentsEnd];
return EndOfWeek;
}
//获取年月日Formatter
+ (NSDateFormatter *)getDayFormatter{
NSTimeZone *sourceTimeZone = [NSTimeZone timeZoneWithName:@"UTC"];
NSDateFormatter *dateFormat_first = [[NSDateFormatter alloc] init];
[dateFormat_first setDateFormat:@"yyyy-MM-dd"];
dateFormat_first.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"zh_CN"];
dateFormat_first.timeZone= sourceTimeZone;
return dateFormat_first;
}
//将日期转化为本地时间
+ (NSDate *)localeDate:(NSDate *)date
{
NSTimeZone *zone = [NSTimeZone systemTimeZone];
NSInteger interval = [zone secondsFromGMTForDate: date];
NSDate *localeDate = [date dateByAddingTimeInterval: interval];
return localeDate;
}
//获取本月天数
+(NSInteger)returnMonthDayNum{
NSCalendar *calendar = [NSCalendar currentCalendar];
NSRange range = [calendar rangeOfUnit:NSCalendarUnitDay inUnit:NSCalendarUnitMonth forDate:[NSDate date]];
NSUInteger numberOfDaysInMonth = range.length;
return numberOfDaysInMonth;
}
//获取每周的第一天和最后一天
+(NSArray *)getFirstAndLastDayOfThisWeek
{
NSCalendar *calendar = [NSCalendar currentCalendar];
NSDateComponents *dateComponents = [calendar components:NSCalendarUnitWeekday | kCFCalendarUnitDay | NSCalendarUnitMonth| NSCalendarUnitYear fromDate:[NSDate date]];
NSInteger weekday = [dateComponents weekday]-1; //第几天(从周一开始)
NSInteger firstDiff,lastDiff;
if (weekday == 0) {
firstDiff = -6;
lastDiff = 0;
}else {
firstDiff = - weekday + 2;
lastDiff = 8 - weekday;
}
NSInteger day = [dateComponents day];
NSDateComponents *firstComponents = [calendar components:NSCalendarUnitWeekday | kCFCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear fromDate:[NSDate date]];
[firstComponents setDay:day+firstDiff];
NSDate *firstDay = [calendar dateFromComponents:firstComponents];
NSDateComponents *lastComponents = [calendar components:NSCalendarUnitWeekday | kCFCalendarUnitDay | NSCalendarUnitMonth| NSCalendarUnitYear fromDate:[NSDate date]];
[lastComponents setDay:day+lastDiff];
NSDate *lastDay = [calendar dateFromComponents:lastComponents];
return [NSArray arrayWithObjects:firstDay,lastDay, nil];
}
//将yyyy-MM-dd HH:mm:ss格式时间转换成时间戳
+ (NSString *)timeWithTimeIntervalString:(NSString *)timeString
{
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"yyyy-MM-dd"];
// 毫秒值转化为秒
NSDate* date = [NSDate dateWithTimeIntervalSince1970:[timeString doubleValue]/ 1000.0];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
按时间格式将时间戳（毫秒）转换成指定时间
+ (NSString *)timeWithTimeIntervalString:(NSString *)timeString withFormat:(NSString *)format
{
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:format];
// 毫秒值转化为秒
NSDate* date = [NSDate dateWithTimeIntervalSince1970:[timeString doubleValue]/ 1000.0];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
按时间格式将时间戳（秒）转换成指定时间
+ (NSString *)timeWithTimeInterval:(NSInteger)timeinterval withFormat:(NSString *)format
{
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
NSTimeZone *zone = [NSTimeZone localTimeZone];
formatter.timeZone = zone;
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:format];
NSDate* date = [NSDate dateWithTimeIntervalSince1970:timeinterval];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
//获取现在yyyy-MM-dd的格式时间
+ (NSString *)getYYYYMMDDDateNow {
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
formatter.timeZone = [NSTimeZone systemTimeZone];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"yyyy-MM-dd"];
// 毫秒值转化为秒
NSDate* date = [NSDate date];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
//获取当前时间格式
+ (NSString *)getCurrentTimeWithFormat:(NSString *)format{
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
formatter.timeZone = [NSTimeZone systemTimeZone];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:format];
// 毫秒值转化为秒
NSDate* date = [NSDate date];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
//将时间戳转换成yyyy-MM-dd HH:mm:ss格式时间
+ (NSString *)timeWithNormalTimeIntervalString:(NSString *)timeString {
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
// 毫秒值转化为秒
NSDate* date = [NSDate dateWithTimeIntervalSince1970:[timeString doubleValue]];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
//获取现在年月的时间格式
+ (NSString *)timeWithYearTimeIntervalString:(NSString *)timeString {
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"yyyy年MM月"];
// 毫秒值转化为秒
NSDate* date = [NSDate dateWithTimeIntervalSince1970:[timeString doubleValue]/ 1000.0];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
//获取现在月号的时间格式
+ (NSString *)timeWithMonthTimeIntervalString:(NSString *)timeString {
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"MM月dd号"];
// 毫秒值转化为秒
NSDate* date = [NSDate dateWithTimeIntervalSince1970:[timeString doubleValue]/ 1000.0];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
//获取现在号的时间格式
+ (NSString *)timeWithDayTimeIntervalString:(NSString *)timeString {
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"dd号"];
// 毫秒值转化为秒
NSDate* date = [NSDate dateWithTimeIntervalSince1970:[timeString doubleValue]/ 1000.0];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
/// 将秒数转换成时分秒的格式(x时x分x秒)
+ (NSString *)transformHourMinSecWithCount:(long)count{
NSString *hourString;
NSString *minString;
NSString *secondString;
if (count / 3600 >0 ) {
hourString = [NSString stringWithFormat:@"%ld时",count / 3600];
}else{// <3600
hourString = @"";
}
if (count % 3600 / 60 >0) {
minString = [NSString stringWithFormat:@"%ld分钟",count %3600/60];
}else{
minString = @"";
}
if (count %3600 %60 > 0) {
secondString = [NSString stringWithFormat:@"%ld秒",count % 3600 % 60];
}else{
secondString = @"";
}
return [NSString stringWithFormat:@"%@%@%@",hourString,minString,secondString];
}
/// 将秒数转换成时分秒的格式(HH:mm:ss)
+ (NSString *)transformHourMinSecWithCount2:(long)count{
NSString *hourString;
NSString *minString;
NSString *secondString;
if (count / 3600 >0 ) {
NSInteger hours = count / 3600;
hourString = hours<10?[NSString stringWithFormat:@"0%ld",hours]:[NSString stringWithFormat:@"%ld",hours];//[NSString stringWithFormat:@"%ld",];
}else{// <3600
hourString = @"00";
}
if (count % 3600 / 60 >0) {
NSInteger min = count %3600/60;
minString = min <10? [NSString stringWithFormat:@"0%ld",min]:[NSString stringWithFormat:@"%ld",min];//[NSString stringWithFormat:@"%@:",min<10?@"0"];
}else{
minString = @"00";
}
if (count %3600 %60 > 0) {
NSInteger second = count % 3600 % 60;
secondString = second <10?[NSString stringWithFormat:@"0%ld",second]:[NSString stringWithFormat:@"%ld",second];//[NSString stringWithFormat:@"%ld",count % 3600 % 60];
}else{
secondString = @"00";
}
return [NSString stringWithFormat:@"%@:%@:%@",hourString,minString,secondString];
}