@Override
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		//µȷ޸İť
		if (e.getSource() == button1) {
			String sql = "update tb_student set stuName = ?, stuSex = ?, stuAge = ?,"
					+ "stuDept = ?,stuAddress = ? where stuId = ?";
			String[] params = new String[] {tField2.getText().trim(),
					tField3.getText().trim(),tField4.getText().trim(),
					tField5.getText().trim(),tField6.getText().trim(),
					tField1.getText().trim()};
			StudentBiz myModel = new StudentBiz();
			myModel.updateStu(sql, params);		//ִ޸Ĳ
			this.dispose();
		}
		//µȡť
		else if (e.getSource() ==button2) {
			this.dispose();
		}
	}