UISegmentedControl的使用

http://www.cnblogs.com/aipingguodeli/archive/2012/04/12/2443687.html

//判断选中的某个分段
switch ([(UISegmentedControl *)self.navigationItem.titleView selectedSegmentIndex]) 
	{
		case 0:
			
			break;
		case 1:
			
			break;
		case 2:
			
			break;
		case 3:
			
		default:
			break;
	}