Question

日期总是为零，但是如果我将dateString更改为03/01/1975之类的任何其他日期，它会正常工作。有什么想法吗？

NSString *dateString = @"05/01/1975";    
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
NSLocale *gbLocale = [[NSLocale alloc] initWithLocaleIdentifier:@"us"];
[dateFormatter setLocale:gbLocale];
[dateFormatter setDateFormat:@"MM/dd/yyyy"];
NSDate *date = [dateFormatter dateFromString:dateString];

Answer 1

试试这段代码

- (NSDate *)getPickerDateForString:(NSString *)dateString
{
    NSDate * dt;
    if (!dateFormatter)
    {
        dateFormatter = [[NSDateFormatter alloc] init];
    }
    [dateFormatter setDateFormat:@"dd/MM/yyyy"];
    dt = [dateFormatter dateFromString:dateString];
    return dt;
}

Answer 2

试试这个

NSString *dateString = @"05/01/1975";
    NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setTimeZone:[NSTimeZone timeZoneWithName:@"UTC"]];
[formatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"en_US_POSIX"]];
 [formatter setDateFormat:@"MM.dd.yyyy"];
NSDate *anotherDate = [formatter dateFromString:dateString];
NSLog(@"%@",anotherDate);

它会提供这样的输出

1975-05-01 00:00:00 +0000

objective-c dateFromString在特定日期返回nil

2 个答案: