JList 点击打开对应的视频

 public void openVedio(int vedioID){
		Session session = null;
		String vedioDir = null;
		try {
			session = HSFUtility.getSession();
			session.beginTransaction();
			 
			Iterator it = (Iterator) session
				.createQuery("from WQ_Vedio_VO w where w.id = :myID ")
				.setParameter("myID",vedioID)
				.iterate();
				
			while (it.hasNext()) {
				WQ_Vedio_VO wvVedio  = (WQ_Vedio_VO) it.next();
			   vedioDir = wvVedio.getVedio_Dir();
			   System.out.println(vedioDir);
			}
			
			session.getTransaction().commit();
		} catch (Exception e) {
			e.printStackTrace();
			session.getTransaction().rollback();
			throw new java.lang.RuntimeException();
		} finally {
			HSFUtility.closeSession();
		}
		
		Runtime rt = Runtime.getRuntime();
		try {
			String cmd = "rundll32   url.dll,FileProtocolHandler " +vedioDir;
			rt.exec(cmd);
		} catch (IOException e1) {
			e1.printStackTrace();
		}
	}

vedioList.addListSelectionListener(new ListSelectionListener() {
			public void valueChanged(final ListSelectionEvent e) {
				
				JOptionPane.showMessageDialog(vedioList, "您将打开视频"
						+ vedioList.getSelectedValue().toString());
				
				int id = 0;	
				for(int i=0;i<vedioList.getSelectedValue().toString().length();i++)
				{
					char c = vedioList.getSelectedValue().toString().charAt(i);
					if(c==95){		
						id = Integer.parseInt(vedioList.getSelectedValue().toString().substring(0,i));
						System.out.println(id);
						break;
					}
				}
	            openVedio(id);		
			}
		});

在JList中点击对应的选项，则打开对应的视频文件（使用系统默认程序打开）。截取字符串。