borrow.java

这是Java数据库系统项目开发实践源代码,所有代码经过测试

package untitled5;
import java.io.*;
import java.net.*;
import java.sql.*;
import java.lang.*;
import javax.sql.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import com.borland.jbcl.layout.*;
public class borrow extends JFrame {
  JPanel contentPane;
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JButton jButton1 = new JButton();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  JLabel jLabel5 = new JLabel();
  JLabel jLabel6 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JTextField jTextField2 = new JTextField();
  JTextField jTextField3 = new JTextField();
  JTextField jTextField4 = new JTextField();

  //Construct the frame
  public borrow() {
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    contentPane = (JPanel) this.getContentPane();
    jLabel1.setFont(new java.awt.Font("SansSerif", 0, 25));
    jLabel1.setForeground(Color.red);
    jLabel1.setText("超市管理系统");
    contentPane.setLayout(xYLayout1);
    this.setSize(new Dimension(500,500));
    this.setTitle("超市管理系统");
    jLabel2.setFont(new java.awt.Font("SansSerif", 0, 30));
    jLabel2.setText("合   同   登   记");
    jButton1.setFont(new java.awt.Font("SansSerif", 0, 25));
    jButton1.setText("提交");
    jButton1.addActionListener(new borrow_jButton1_actionAdapter(this));
    jLabel3.setFont(new java.awt.Font("SansSerif", 0, 25));
    jLabel3.setText("订单号");
    jLabel4.setFont(new java.awt.Font("SansSerif", 0, 25));
    jLabel4.setText("数   量");
    jLabel5.setFont(new java.awt.Font("SansSerif", 0, 25));
    jLabel5.setText("产品号");
    jLabel6.setFont(new java.awt.Font("SansSerif", 0, 25));
    jLabel6.setText("总金额");
    jTextField1.setText("");
    jTextField2.setText("");
    jTextField3.setText("");
    jTextField4.setText("");
    contentPane.add(jLabel1, new XYConstraints(166, 0, 152, 36));
    contentPane.add(jLabel2, new XYConstraints(144, 32, -1, 48));
    contentPane.add(jLabel3,  new XYConstraints(91, 103, -1, -1));
    contentPane.add(jLabel4, new XYConstraints(94, 182, -1, -1));
    contentPane.add(jTextField1,    new XYConstraints(181, 97, 197, 43));
    contentPane.add(jTextField2,    new XYConstraints(181, 182, 193, 41));
    contentPane.add(jTextField3,     new XYConstraints(180, 256, 194, 43));
    contentPane.add(jLabel5, new XYConstraints(92, 261, -1, -1));
    contentPane.add(jLabel6, new XYConstraints(90, 332, -1, -1));
    contentPane.add(jTextField4,     new XYConstraints(177, 335, 198, 44));
    contentPane.add(jButton1,   new XYConstraints(175, 403, 118, -1));
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    super.processWindowEvent(e);
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      System.exit(0);
    }
  }
  void validID() {
    try {
      //定义显示的字符串
      String str1;
      String str2;
      String str3;
      String str4;
     str1 = jTextField1.getText();
      str2 = jTextField2.getText();
      str3 = jTextField3.getText();
      str4 = jTextField4.getText();
     //装载jdbc驱动程序
      String driverName = "oracle.jdbc.OracleDriver";
      Driver driver = (Driver) Class.forName(driverName).newInstance();
      //连接数据库
      Connection con = DriverManager.getConnection(
          "jdbc:oracle:thin:@thsspc0791:1521:liuyong", "hr", "tongfang");
      PreparedStatement pstmt = con.prepareStatement(
     " insert Paper('PID','quality','goodID','AllMoney')values(?,?,?,?)  ");
     pstmt.setString(1, str1);
     pstmt.setString(2, str2);
     pstmt.setString(1, str3);
     pstmt.setString(4, str4);
     ResultSet res = pstmt.executeQuery();
      pstmt.close();
      con.close();
    }catch (InstantiationException e) {
      System.out.println(e.getMessage());
    }catch (IllegalAccessException e) {
      System.out.println(e.getMessage());
    }catch (ClassNotFoundException e) {
      System.out.println(e.getMessage());
    }catch (SQLException edd) {
      edd.printStackTrace() ;
      System.out.println(edd.getMessage());
    }
  }

  void jButton1_actionPerformed(ActionEvent e) {
  validID();
  }
}

class borrow_jButton1_actionAdapter implements java.awt.event.ActionListener {
  borrow adaptee;

  borrow_jButton1_actionAdapter(borrow adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}