转换东一到东八相差八小时时间

+(NSDate *)convertDateToLocalTime:(NSDate *)forDate {
    NSTimeZone *nowTimeZone = [NSTimeZone localTimeZone];
    int timeOffset = [nowTimeZone secondsFromGMTForDate:forDate];
   
    NSDate *newDate = [forDate dateByAddingTimeInterval:timeOffset];   
    return newDate;
}