字符串去掉空格

- (void)uui
{
  array2 = [NSMutableArray arrayWithContentsOfFile:Path2];
  string = (NSString *)[array2 objectAtIndex:3];
  NSString *string2 = @"Partly Cloudy";  
  NSString *trimmedString = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
  NSLog(@"%@ , %@", trimmedString, string2);
   if ([trimmedString isEqualToString:string2])
   {
     NSLog(@"frack");
   }
}