在Navigation Bar上添加UISegmentedControl

UISegmentedControl *segCtr;segCtr = [[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:@"1", @"2", @"3", @"4", nil]];segCtr.tintColor = [UIColor blackColor];[segCtr addTarget:self action:@selector(showSegment) forControlEvents:UIControlEventValueChanged];self.navigationItem.titleView = segCtr;[segCtr release];