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| +(NSString *)getMessageDateWithTimestamp:(int64_t)Timestamp
{
NSDate *messageDate = [NSDate dateWithTimeIntervalSince1970:Timestamp];
NSDate *date=[NSDate date];
NSTimeZone *timeZone = [NSTimeZone systemTimeZone];
NSInteger interval = [timeZone secondsFromGMTForDate:date];
date = [date dateByAddingTimeInterval:interval];
NSString* dateString=[NSString stringWithFormat:@"%@ 00:00:00",[[NSString stringWithFormat:@"%@",date] substringToIndex:10]];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
NSDate *zeroDate = [dateFormatter dateFromString:dateString];
zeroDate = [zeroDate dateByAddingTimeInterval:interval];
int64_t beforeLogoutTimestamp=[zeroDate timeIntervalSince1970]*1;
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setLocale:[NSLocale systemLocale]];
[formatter setTimeZone:[NSTimeZone systemTimeZone]];
[formatter setDateFormat:@"YYYY/MM/dd HH:mm"];
if (Timestamp-beforeLogoutTimestamp > 0)
{
///今天
[formatter setDateFormat:@"HH:mm"];
return [formatter stringFromDate:messageDate];
}
else
{
NSCalendar *cal = [NSCalendar currentCalendar];
NSDateComponents *components = [cal components:NSCalendarUnitEra|NSCalendarUnitYear|NSCalendarUnitMonth|NSCalendarUnitDay|NSCalendarUnitWeekday fromDate:zeroDate];
components.day -= 1;
NSDate* yestoday=[cal dateFromComponents:components];
yestoday = [yestoday dateByAddingTimeInterval:interval];
int64_t yestodayTimestamp=[yestoday timeIntervalSince1970];
if (Timestamp-yestodayTimestamp > 0)
{
///昨天
[formatter setDateFormat:@"昨天 HH:mm"];
return [formatter stringFromDate:messageDate];
}
else
{
for (int i = 1; i <= 6; i++)
{
components.day -= 1;
NSDate *nowdate = [cal dateFromComponents:components];
nowdate = [nowdate dateByAddingTimeInterval:interval];
NSDateComponents *componentsT = [cal components:NSCalendarUnitEra|NSCalendarUnitYear|NSCalendarUnitMonth|NSCalendarUnitDay|NSCalendarUnitWeekday fromDate:nowdate];
NSString* weekday;
if (componentsT.weekday==1)
{
weekday=@"星期日";
}
else if (componentsT.weekday==2)
{
weekday=@"星期一";
}
else if (componentsT.weekday==3)
{
weekday=@"星期二";
}
else if (componentsT.weekday==4)
{
weekday=@"星期三";
}
else if (componentsT.weekday==5)
{
weekday=@"星期四";
}
else if (componentsT.weekday==6)
{
weekday=@"星期五";
}
else if (componentsT.weekday==7)
{
weekday=@"星期六";
}
int64_t nowTimestamp=[nowdate timeIntervalSince1970];
if(Timestamp-nowTimestamp > 0)
{
[formatter setDateFormat:[NSString stringWithFormat:@"%@ HH:mm",weekday]];
return [formatter stringFromDate:messageDate];
}
}
[formatter setDateFormat:@"YYYY/MM/dd"];
return [formatter stringFromDate:messageDate];
}
}
}
|