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1、java房屋租赁系统的设计与实现java+sql房屋租赁系统例：import java.awt.BorderLayout;import javax.swing.JPanel;import javax.swing.JFrame;import java.awt.Dimension;import java.awt.SystemColor;import javax.swing.JLabel;import java.awt.Rectangle;import javax.swing.SwingConstants;import java.awt.Font;import java.awt.Point;impo
2、rt java.sql.Connection;import java.sql.DriverManager;import java.sql.Statement;import javax.swing.JTextField;import javax.swing.JButton;import database.DatabaseUtil;public class DeleteHouseImformation extends JFrame private static final long serialVersionUID = 1L;private JPanel jContentPane = null;p
3、rivate JLabel jLabel = null;private JLabel jLabel1 = null;private JLabel jLabel2 = null;private JLabel jLabel3 = null;private JLabel jLabel4 = null;private JLabel jLabel5 = null;private JLabel jLabel6 = null;private JTextField jTextField = null;private JTextField jTextField1 = null;private JTextFiel
4、d jTextField2 = null;private JTextField jTextField3 = null;private JTextField jTextField4 = null;private JTextField jTextField5 = null;private JButton jButton = null;private JButton jButton1 = null;private JButton jButton2 = null;/* This is the default constructor*/public DeleteHouseImformation supe
5、r;initialize;/* This method initializes this* * return void*/private void initialize this.setSize(453, 286);this.setContentPane(getJContentPane);this.setTitle(删除房屋信息);/* This method initializes jContentPane* * return javax.swing.JPanel*/private JPanel getJContentPane if (jContentPane = null) jLabel6
6、 = new JLabel;jLabel6.setText(HouseStatus：);jLabel6.setSize(new Dimension(97, 18);jLabel6.setHorizontalAlignment(SwingConstants.RIGHT);jLabel6.setLocation(new Point(18, 210);jLabel5 = new JLabel;jLabel5.setText(HouseAddress：);jLabel5.setSize(new Dimension(97, 18);jLabel5.setHorizontalAlignment(Swing
7、Constants.RIGHT);jLabel5.setLocation(new Point(18, 180);jLabel4 = new JLabel;jLabel4.setText(HousseStyle：);jLabel4.setSize(new Dimension(97, 18);jLabel4.setHorizontalAlignment(SwingConstants.RIGHT);jLabel4.setLocation(new Point(18, 150);jLabel3 = new JLabel;jLabel3.setText(MaxNumder：);jLabel3.setSiz
8、e(new Dimension(97, 18);jLabel3.setHorizontalAlignment(SwingConstants.RIGHT);jLabel3.setLocation(new Point(18, 120);jLabel2 = new JLabel;jLabel2.setText(HouseRent：);jLabel2.setSize(new Dimension(97, 18);jLabel2.setHorizontalAlignment(SwingConstants.RIGHT);jLabel2.setLocation(new Point(18, 90);jLabel
9、1 = new JLabel;jLabel1.setText(HouseID：);jLabel1.setSize(new Dimension(97, 18);jLabel1.setHorizontalAlignment(SwingConstants.RIGHT);jLabel1.setLocation(new Point(18, 60);jLabel = new JLabel;jLabel.setBounds(new Rectangle(75, 11, 295, 41);jLabel.setHorizontalAlignment(SwingConstants.CENTER);jLabel.se
10、tHorizontalTextPosition(SwingConstants.CENTER);jLabel.setFont(new Font(u534eu6587u65b0u9b4f, Font.BOLD, 24);jLabel.setText(请输入要删除的房屋信息);jContentPane = new JPanel;jContentPane.setLayout(null);jContentPane.setBackground(SystemColor.inactiveCaption);jContentPane.setFont(new Font(Dialog, Font.PLAIN, 12)
11、;jContentPane.add(jLabel, null);jContentPane.add(jLabel1, null);jContentPane.add(jLabel2, null);jContentPane.add(jLabel3, null);jContentPane.add(jLabel4, null);jContentPane.add(jLabel5, null);jContentPane.add(jLabel6, null);jContentPane.add(getJTextField, null);jContentPane.add(getJTextField1, null)
12、;jContentPane.add(getJTextField2, null);jContentPane.add(getJTextField3, null);jContentPane.add(getJTextField4, null);jContentPane.add(getJTextField5, null);jContentPane.add(getJButton, null);jContentPane.add(getJButton1, null);jContentPane.add(getJButton2, null);return jContentPane;/* This method i
13、nitializes jTextField * * return javax.swing.JTextField */private JTextField getJTextField if (jTextField = null) jTextField = new JTextField;jTextField.setLocation(new Point(118, 58);jTextField.setSize(new Dimension(130, 22);return jTextField;/* This method initializes jTextField1 * * return javax.
14、swing.JTextField */private JTextField getJTextField1 if (jTextField1 = null) jTextField1 = new JTextField;jTextField1.setLocation(new Point(118, 90);jTextField1.setSize(new Dimension(130, 22);return jTextField1;/* This method initializes jTextField2 * * return javax.swing.JTextField */private JTextF
15、ield getJTextField2 if (jTextField2 = null) jTextField2 = new JTextField;jTextField2.setLocation(new Point(118, 118);jTextField2.setSize(new Dimension(130, 22);return jTextField2;/* This method initializes jTextField3 * * return javax.swing.JTextField */private JTextField getJTextField3 if (jTextFie
16、ld3 = null) jTextField3 = new JTextField;jTextField3.setLocation(new Point(118, 152);jTextField3.setSize(new Dimension(130, 22);return jTextField3;/* This method initializes jTextField4 * * return javax.swing.JTextField */private JTextField getJTextField4 if (jTextField4 = null) jTextField4 = new JT
17、extField;jTextField4.setLocation(new Point(118, 182);jTextField4.setSize(new Dimension(130, 22);return jTextField4;/* This method initializes jTextField5 * * return javax.swing.JTextField */private JTextField getJTextField5 if (jTextField5 = null) jTextField5 = new JTextField;jTextField5.setLocation
18、(new Point(118, 208);jTextField5.setSize(new Dimension(130, 22);return jTextField5;/* This method initializes jButton * * return javax.swing.JButton */private JButton getJButton if (jButton = null) jButton = new JButton;jButton.setLocation(new Point(344, 122);jButton.setText(删除);jButton.setSize(new
19、Dimension(64, 29);jButton.addActionListener(new java.awt.event.ActionListener public void actionPerformed(java.awt.event.ActionEvent e) /String url = jdbc:jtds:sqlserver:/localhost:1433;DatabaseName=housesystem; Connection con = DatabaseUtil.getConnection;try /Class.forName(net.sourceforge.jtds.jdbc
20、.Driver); /Connection con = DriverManager.getConnection(url,sa,123456);Statement stmt = con.createStatement; String HouseID = jTextField.getText; String HouseRent = jTextField1.getText;String MaxNumder =jTextField2.getText;String HousseStyle = jTextField3.getText;String HouseAddress = jTextField4.ge
21、tText;String HouseStatus = jTextField5.getText;String SQL=DELETE FROM HouseImformation WHERE HouseID=(+HouseID+) OR HouseRent=(+HouseRent+) OR MaxNumder=(+MaxNumder+) OR HousseStyle=(+HousseStyle+) OR HouseAddress=(+HouseAddress+) OR HouseStatus=(+HouseStatus+);stmt.executeUpdate(SQL);stmt.close;con
22、.close; catch (Exception ex) System.out.println(删除成功！);/ TODO Auto-generated Event stub actionPerformed);return jButton;/* This method initializes jButton1 * * return javax.swing.JButton */private JButton getJButton1 if (jButton1 = null) jButton1 = new JButton;jButton1.setBounds(new Rectangle(348, 1
23、59, 64, 29);jButton1.setText(退出);jButton1.addActionListener(new java.awt.event.ActionListener public void actionPerformed(java.awt.event.ActionEvent e) dispose; / TODO Auto-generated Event stub actionPerformed);return jButton1;/* This method initializes jButton2 * * return javax.swing.JButton */priv
24、ate JButton getJButton2 if (jButton2 = null) jButton2 = new JButton;jButton2.setText(清空);jButton2.setSize(new Dimension(64, 29);jButton2.setLocation(new Point(350, 199);jButton2.addActionListener(new java.awt.event.ActionListener public void actionPerformed(java.awt.event.ActionEvent e) jTextField.setText();jTextField1.setText();jTextField2.setText();jTextField3.setText();jTextField4.setText();jTextField5.setText(); / TODO Auto-generated Event stub actionPerformed);return jButton2; / jve:decl-index=0:visual-constraint=205,9
