public void getInfo(View v){

		

		//确定要查询的名字

		String name = studentName.getText().toString().trim();

		

		if(TextUtils.isEmpty(name))

		{

			Toast.makeText(this, "用户名不能为空", 1);

			return;

		}

		

		try {

			XmlPullParser newPullParser = Xml.newPullParser();

			File file = new File(this.getFilesDir(), name+".xml");

			InputStreamReader in = new InputStreamReader(new FileInputStream(file));

			

			newPullParser.setInput(in);

			

			int eventType = newPullParser.getEventType();

			String info="";

			while(eventType != newPullParser.END_DOCUMENT){

				if(eventType == newPullParser.START_TAG)

				{

					info+=newPullParser.getName();

					info+=":";

				}else if(eventType == newPullParser.TEXT)

				{

					info+=newPullParser.getText();

					info+=" ";

					

				}

				eventType = newPullParser.next();

			}

			

			studentInfo.setText(info);

			

			

			

		} catch (Exception e) {

			// TODO Auto-generated catch block

			Toast.makeText(this, "没有用户信息", 1).show();

			e.printStackTrace();

		}

	}