JOptionPane.showMessageDialog的使用

	private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
		
		IUserDao iUser = new UserDaoImp();
		String userName = this.jTextField1.getText();
		String userId = this.jTextField2.getText();
		int id = Integer.parseInt(userId);
		User user = new User();
		user.setName(userName);
		user.setId(id);
		boolean b = iUser.validate(user);
		if(b)
			JOptionPane.showMessageDialog(this, "验证成功");
		else
			JOptionPane.showMessageDialog(this, "数据不存在");
	}

	private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {

		String sex = "女";
		IUserDao iUser = new UserDaoImp();
		String userName = this.jTextField1.getText();
		String userId = this.jTextField2.getText();
		int id = Integer.parseInt(userId);
		String age = this.jComboBox1.getSelectedItem().toString();
		int age2 = Integer.parseInt(age);
		if (this.jRadioButton1.isSelected())
			sex = this.jRadioButton1.getText();
		User newUser = new User(id, userName, sex, age2);
		int j = iUser.insertOneUser(newUser);
		if (j == 1)
			JOptionPane.showMessageDialog(this, "注册成功");
		else
			JOptionPane.showMessageDialog(this,"此数据已经存在");
	}