📄 frame5.java~10~
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package untitled5;import java.applet.*;import java.sql.*;import java.awt.*;import java.awt.event.*;import javax.swing.*;import com.borland.jbcl.layout.*;/** * <p>Title: </p> * <p>Description: </p> * <p>Copyright: Copyright (c) 2003</p> * <p>Company: </p> * @author not attributable * @version 1.0 */public class Frame5 extends JFrame { JPanel contentPane; XYLayout xYLayout1 = new XYLayout(); JPasswordField password = new JPasswordField(); JLabel jLabel1 = new JLabel(); JLabel jLabel2 = new JLabel(); JTextField jTextField1 = new JTextField(); JLabel jLabel3 = new JLabel(); //Construct the frame public Frame5() { enableEvents(AWTEvent.WINDOW_EVENT_MASK); try { jbInit(); } catch(Exception e) { e.printStackTrace(); } } //Component initialization private void jbInit() throws Exception { contentPane = (JPanel) this.getContentPane(); password.addActionListener(new Frame5_password_actionAdapter(this)); contentPane.setLayout(xYLayout1); this.setSize(new Dimension(500, 400)); this.setTitle("库存管理系统"); jLabel1.setFont(new java.awt.Font("SansSerif", 0, 25)); jLabel1.setForeground(Color.red); jLabel1.setPreferredSize(new Dimension(250, 35)); jLabel1.setText("欢迎进入物流管理系统"); jLabel2.setFont(new java.awt.Font("SansSerif", 0, 20)); jLabel2.setText("姓名"); jTextField1.setText(""); jLabel3.setFont(new java.awt.Font("SansSerif", 0, 20)); jLabel3.setText("密码"); contentPane.setBackground(UIManager.getColor("Desktop.background")); contentPane.add(jLabel1, new XYConstraints(133, 2, 253, 34)); contentPane.add(jLabel2, new XYConstraints(92, 142, -1, -1)); contentPane.add(jTextField1, new XYConstraints(130, 145, 91, 26)); contentPane.add(jLabel3, new XYConstraints(222, 144, -1, -1)); contentPane.add(password, new XYConstraints(263, 144, 105, 28)); } //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 password_actionPerformed(ActionEvent e) { try { Frame1 Frame= new Frame1(); Frame.show(); } catch (Exception ew) { System.out.println(ew.getMessage()); } validID(); this.setVisible(false); } void validID() { try { String str1, str2; str1 = jTextField1.getText(); str2 = password.getText(); //装载jdbc驱动程序。 //通过下面的程序我们完成对oracle数据库的动态连接。 String driverName = "oracle.jdbc.OracleDriver"; Driver driver = (Driver) Class.forName(driverName).newInstance(); //连接数据库 //在下面的程序中我们连接的数据库是名为“tongfang“的数据库 //登录名是”sa“密码是“tongfang” Connection con = DriverManager.getConnection( "jdbc:oracle:thin:@thsspc0791:1521:tongfang", "sa", "tongfang"); //执行动态的sql语句 PreparedStatement pstmt = con.prepareStatement( //依据读者的名字查询读者的信息的sql语句 " select name ,id,password from worker-info where name=?"); //将读者的名字添加到具体的sql语句中 pstmt.setString(1, str1); //使用ResultSet中的方法executeQuery()来完成sql语句的执行 ResultSet res = pstmt.executeQuery(); //使用getString()来获取sql查询的结果 //String sa=res.getString(1); if ((!res.next()) || res.getString("password") == null) { JOptionPane.showMessageDialog(this, "查无此人", "错误", JOptionPane.ERROR_MESSAGE); }else { if ( !res.getString("password").equals(str2)) { JOptionPane.showMessageDialog(this, "密码错误", "错误", JOptionPane.ERROR_MESSAGE); }else { System.out.println("zhengque"); do{ System.out.println(res.getString(1)+":" + res.getString(2) + ":" +res.getString(3)); }while (res.next()); loader(); } } 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 loader() { try { Frame1 Frame= new Frame1(); Frame.show(); } catch (Exception ew) { System.out.println(ew.getMessage()); } }}class Frame5_password_actionAdapter implements java.awt.event.ActionListener { Frame5 adaptee; Frame5_password_actionAdapter(Frame5 adaptee) { this.adaptee = adaptee; } public void actionPerformed(ActionEvent e) { adaptee.password_actionPerformed(e); }}
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