获取的[NSDate date]时间与实际相差8个小时解决方案

         NSDate *date = [ NSDate date ] ;

         NSTimeZone *zone = [ NSTimeZone SystemTimeZone] ;

         NSInteger interval = [ zone secondsFromGMTForDate:date ] ;

         NSDate *localDate = [ date dateByAddingTimeInterval:interval ] ;

或者  NSDate *localDate = [ [ NSDate alloc ] initWithTimeInterval:interval SinceDate:date ] ;