addreader.java

基于目前许多中小型公司, 机关,中小学校,大学院系等都有自己的图书库, 供内部人员借阅。传统的手工登记办法

/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package libsystem;

/**
 * 添加读者信息类
 * @author admin
 */
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;



public class AddReader extends JFrame
{
	private JPanel panel;
	private JLabel jlab1 = new JLabel();
	private JLabel jlab2 = new JLabel();
	private JLabel jlab3 = new JLabel();
	private JLabel jlab4 = new JLabel();
	private JLabel jlab5 = new JLabel();
	private JLabel jlab6= new JLabel();
	private JLabel jlab7 = new JLabel();
	private JLabel jlab8 = new JLabel();
	private JLabel jlab9 = new JLabel();

	private JTextField jtextfield1 = new JTextField();
	private JTextField jtextfield2 = new JTextField();
	private JTextField jtextfield3 = new JTextField();
	private JTextField jtextfield4 = new JTextField();
	private JTextField jtextfield5 = new JTextField();

	private JComboBox jcombobox1 = new JComboBox();
	private JComboBox jcombobox2 = new JComboBox();
	private JComboBox jcombobox3 = new JComboBox();

	private JTextArea jtextarea = new JTextArea();
	private JButton submit = new JButton();

	public  AddReader()
	{
		super("添加读者信息");
                this.setBounds(320,160,400,350);
                panel =new JPanel(null);
                panel.setBackground(Color.black);

		jlab1.setText("学号");
		jlab1.setBounds(new Rectangle(30, 11, 51, 33));
		jlab1.setForeground(Color.white);
		jlab2.setText("姓名");
		jlab2.setBounds(new Rectangle(162, 11, 28, 33));
		jlab2.setForeground(Color.white);
		jlab3.setText("性别");
		jlab3.setBounds(new Rectangle(241, 11, 28, 33));
		jlab3.setForeground(Color.white);
		jlab4.setText("出生日期");
		jlab4.setBounds(new Rectangle(31, 53, 55, 33));
		jlab4.setForeground(Color.white);
		jlab5.setText("政治面貌");
		jlab5.setBounds(new Rectangle(241, 53, 55, 33));
		jlab5.setForeground(Color.white);
		jlab6.setText("籍贯");
		jlab6.setBounds(new Rectangle(163, 53, 26, 33));
		jlab6.setForeground(Color.white);
		jlab7.setText("系别");
		jlab7.setBounds(new Rectangle(30, 94, 50, 33));
		jlab7.setForeground(Color.white);
		jlab8.setText("专业");
		jlab8.setBounds(new Rectangle(163, 94, 66, 33));
		jlab8.setForeground(Color.white);
		jlab9.setText("备   注");
		jlab9.setBounds(new Rectangle(27, 132, 50, 33));
		jlab9.setForeground(Color.white);

		jtextfield1.setText("");//学号
		jtextfield1.setBounds(new Rectangle(86, 16, 74, 22));
		jtextfield2.setText("");//姓名
		jtextfield2.setBounds(new Rectangle(192, 16, 44, 22));
		jtextfield3.setText("YY-MM-DD");//出生日期
		jtextfield3.setBounds(new Rectangle(86, 58, 74, 22));
		jtextfield4.setText("");//籍贯
		jtextfield4.setBounds(new Rectangle(191, 58, 44, 22));
		jtextfield5.setText("");//专业
		jtextfield5.setBounds(new Rectangle(210, 99, 158, 22));

		jcombobox1.setBounds(new Rectangle(296, 15, 50, 25));
		jcombobox1.addItem("男");
		jcombobox1.addItem("女");
		jcombobox1.setForeground(Color.black);
		jcombobox1.setBackground(Color.white);

		jcombobox2.setBounds(new Rectangle(296, 57, 72, 25));
		jcombobox2.addItem("团员");
		jcombobox2.addItem("党员");
		jcombobox2.addItem("其他");
		jcombobox2.setForeground(Color.black);
		jcombobox2.setBackground(Color.white);


		jcombobox3.setBounds(new Rectangle(86, 98, 75, 25));
		jcombobox3.addItem("信息系");
		jcombobox3.addItem("经济系");
		jcombobox3.addItem("机电系");
		jcombobox3.addItem("管理系");
		jcombobox3.addItem("旅游系");
		jcombobox3.addItem("外语系");
                jcombobox3.addItem("计机系");
		jcombobox3.setForeground(Color.black);
		jcombobox3.setBackground(Color.white);

		jtextarea.setText("");
		jtextarea.setBounds(new Rectangle(84, 139, 285, 92));
		submit.setText("提交");
		submit.setBounds(new Rectangle(156, 244, 89, 22));
		submit.addActionListener(new ActionListener (){
                    public void actionPerformed(ActionEvent e) 
		{
                        try
                        {
			Statement stmt=ConnDataBase.getConnection().createStatement();
      			ResultSet rs = stmt.executeQuery("select * from Reader where 学号='"+ jtextfield1.getText() +"' ");
      			if(rs.next())
                            {
      				JOptionPane.showMessageDialog(null, "此学号已经存在.", "警告",JOptionPane.WARNING_MESSAGE);
        			return;
                            }
      			stmt.executeUpdate("insert into Reader(学号,系别,专业,姓名,性别,出生日期,籍贯,政治面貌,备注)" 
                                            +" values ('"+jtextfield1.getText()+"','"+jcombobox3.getSelectedItem()+"','"+jtextfield5.getText()+"','"
                                            +jtextfield2.getText()+"','" +jcombobox1.getSelectedItem()+"','"+jtextfield3.getText()+"','"
                                            +jtextfield4.getText()+"','" +jcombobox2.getSelectedItem()+"','"+jtextarea.getText()+"')");

      			/************注册成功后并把信息清空*************/
      			jtextfield1.setText("");
      			jtextfield2.setText("");
      			jtextfield3.setText("");
      			jtextfield4.setText("");
      			jtextfield5.setText("");
      			jtextarea.setText("");
      			JOptionPane.showMessageDialog(null, "添加信息成功!");
      			//Allinfo2 allinfo2 = new Allinfo2();
			}
			catch (Exception ee)
			{
      			JOptionPane.showMessageDialog(null, "请认真检查各项(不能为空),\n日期格式要正确!然后重试.", "警告",
                                    JOptionPane.WARNING_MESSAGE);
      			ee.printStackTrace();
    		}
		}
                });

		panel.add(jlab1);
		panel.add(jlab2);
		panel.add(jlab3);
		panel.add(jlab4);
		panel.add(jlab5);
		panel.add(jlab6);
		panel.add(jlab7);
		panel.add(jlab8);
		panel.add(jlab9);

		panel.add(jtextfield1);
		panel.add(jtextfield2);
		panel.add(jtextfield3);
		panel.add(jtextfield4);
		panel.add(jtextfield5);

		panel.add(jcombobox1);
		panel.add(jcombobox2);
		panel.add(jcombobox3);

		panel.add(jtextarea);
		panel.add(submit);
                super.add(panel);
		super.setVisible(true);//设置可见性
	}

}