textfield缩进

[self.yourTextField setValue:[NSNumber numberWithInt:5] forKey:@”paddingTop”];

[self.yourTextField setValue:[NSNumber numberWithInt:5] forKey:@”paddingLeft”];

[self.yourTextField setValue:[NSNumber numberWithInt:5] forKey:@”paddingBottom”];

[self.yourTextField setValue:[NSNumber numberWithInt:5] forKey:@”paddingRight”];