IOS 格式化时间字符串

+ (NSString *)fixStringForDate:(NSDate *)date {

    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];

    [dateFormatter setTimeZone:[NSTimeZone timeZoneWithAbbreviation:@"UTC"]];

    [dateFormatter setDateStyle:NSDateFormatterFullStyle];

    NSString * strDateFormate = @"yyyy-MM-dd HH:mm:ss";

    [dateFormatter setDateFormat:strDateFormate];

    NSString *fixString = [dateFormatter stringFromDate:date];

    return fixString;

}