用可视化可视化eclipse编写的学生管理系统，功能比较齐全。建议分享

package text; import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.Rectangle; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.FocusEvent; import java.awt.event.FocusListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.ResultSetMetaData; import java.sql.SQLException; import java.sql.Statement; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Vector; import javax.swing.ComboBoxModel; import javax.swing.DefaultComboBoxModel; import javax.swing.GroupLayout; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JComponent; import javax.swing.JDesktopPane; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JInternalFrame; import javax.swing.JLabel; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTable; import javax.swing.JTextField; import javax.swing.LayoutStyle; import javax.swing.WindowConstants; import javax.swing.border.TitledBorder; import javax.swing.event.InternalFrameEvent; import javax.swing.event.InternalFrameListener; import javax.swing.filechooser.FileFilter; import javax.swing.table.DefaultTableModel; import javax.swing.table.TableModel; /** * This code was edited or generated using CloudGarden's Jigloo SWT/Swing GUI * Builder, which is free for non-commercial use. If Jigloo is being used * commercially (ie, by a corporation, company or business for any purpose * whatever) then you should purchase a license for each developer using Jigloo. * Please visit www.cloudgarden.com for details. Use of Jigloo implies * acceptance of these licensing terms. A COMMERCIAL LICENSE HAS NOT BEEN * PURCHASED FOR THIS MACHINE, SO JIGLOO OR THIS CODE CANNOT BE USED LEGALLY FOR * ANY CORPORATE OR COMMERCIAL PURPOSE. */ public class StudentCourseJInternalFrame extends javax.swing.JInternalFrame implements ActionListener, ItemListener,InternalFrameListener { { // Set Look & Feel try { javax.swing.UIManager.setLookAndFeel("com.jgoodies.looks.plastic.Plastic3DLookAndFeel"); } catch(Exception e) { e.printStackTrace(); } } private JSplitPane jSplitPane1; private JButton jButton4; private JButton jButton3; private JPanel jPanel1; private JScrollPane jScrollPane1; private JLabel jLabel3; private JTextField jTextField6; private JComboBox jComboBox4; private JButton jButton2; private JButton jButton1; private JPanel jPanel3; private JTextField jTextField5; private JTextField jTextField4; private JTextField jTextField3; private JComboBox jComboBox3; private JComboBox jComboBox2; private JComboBox jComboBox1; private JPanel jPanel2; private JTextField jTextField2; private JLabel jLabel2; private JTextField jTextField1; private JLabel jLabel1; private JTable jTable1; DefaultTableModel dtm; String[] title;Vector v1=null,v2=null,v3=null; String oldValue=null,currentValue=null; int xuanxiucourse=0; InputStream in=null; FileOutputStream fileout=null; ImageIcon icon=null; int seleno1=0,seleno2=0,seleno3=0; public static boolean jMenuItem18=false; JFileChooser fc; File file; String fname=null; public Statement st = null,st1=null,st2=null,st3=null,stno1=null,stphoto=null,stno2=null,stno3=null,stno4=null,selno1=null,selno2=null,selno3=null,selno4=null,sta=null,sta1=null,sta2=null,sta3=null,sta4=null;static ResultSet rs,rs1=null,rs2=null,rs3=null,rs4=null,rsno1=null,rsno2=null,rsno3=null,rsno4=null; /** * Auto-generated main method to display this JInternalFrame inside a new * JFrame. */ public StudentCourseJInternalFrame(String s, boolean b, boolean c, boolean d, boolean e) { super(s, b, c, d, e); this.setVisible(true); this.setSize(500, 500); this.addInternalFrameListener(this); try { setPreferredSize(new Dimension(500, 500)); setVisible(true); { jSplitPane1 = new JSplitPane(); getContentPane().add(jSplitPane1, BorderLayout.CENTER); jSplitPane1.setPreferredSize(new java.awt.Dimension(583, 476)); jPanel1 = new JPanel(); GroupLayout jPanel1Layout = new GroupLayout((JComponent)jPanel1); jPanel1.setLayout(jPanel1Layout); jSplitPane1.add(jPanel1, JSplitPane.LEFT); jPanel1.setPreferredSize(new java.awt.Dimension(309, 474)); jPanel1.setVerifyInputWhenFocusTarget(false); jLabel1 = new JLabel(); jLabel1.setText("\u5b66\u53f7"); jPanel2 = new JPanel(); GroupLayout jPanel2Layout = new GroupLayout((JComponent)jPanel2); jPanel2.setLayout(jPanel2Layout); jPanel2.setBorder(new TitledBorder("斛党諺最")); jComboBox1 = new JComboBox(); jComboBox1.addItemListener(this); jComboBox2 = new JComboBox(); jComboBox2.addItemListener(this); jComboBox3 = new JComboBox(); jComboBox3.addItemListener(this); jTextField3 = new JTextField(); jTextField3.setEditable(false); jTextField4 = new JTextField(); jTextField4.setEditable(false); jTextField5 = new JTextField(); jTextField5.setEditable(false); jPanel2Layout.setVerticalGroup(jPanel2Layout.createSequentialGroup() .addGroup(jPanel2Layout.createParallelGroup(GroupLayout.Alignment.BASELINE) .addComponent(jComboBox1, GroupLayout.Alignment.BASELINE, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE) .addComponent(jTextField3, GroupLayout.Alignment.BASELINE, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE)) .addGap(16) .addGroup(jPanel2Layout.createParallelGroup() .addGroup(GroupLayout.Alignment.LEADING, jPanel2Layout.createSequentialGroup() .addComponent(jComboBox2, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE) .addGap(7)) .addGroup(GroupLayout.Alignment.LEADING, jPanel2Layout.createSequentialGroup() .addGap(7) .addComponent(jTextField4, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE))) .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(jPanel2Layout.createParallelGroup(GroupLayout.Alignment.BASELINE) .addComponent(jComboBox3, GroupLayout.Alignment.BASELINE, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE) .addComponent(jTextField5, GroupLayout.Alignment.BASELINE, GroupLayout.PREFERRED_SIZE, 22, GroupLayout.PREFERRED_SIZE)) .addContainerGap()); jPanel2Layout.setHorizontalGroup(jPanel2Layout.createSequentialGroup() .addContainerGap() .addGroup(jPanel2Layout.createParallelGroup() .addComponent(jComboBox1, GroupLayout.Alignment.LEADING, GroupLayout.PREFERRED_SIZE, 80, GroupLayout.PREFERRED_SIZE) .addComponent(jComboBox2, GroupLayout.Alignment.LEADING, GroupLayout.PREFERRED_SIZE, 80, GroupLayout.PREFERRED_SIZE) .addComponent(jComboBox3, GroupLayout.Alignment.LEADING, GroupLayout.PREFERRED_SIZE, 80, GroupLayout.PREFERRED_SIZE)) .addPreferredGap(LayoutStyle.ComponentPlacement.UNRELATED) .addGroup(jPanel2Layout.createParallelGroup() .addComponent(jTextField3, GroupLayout.Alignment.LEADING, 0, 77, Short.MAX_VALUE) .addComponent(jTextField4, GroupLayout.Alignment.LEADING, 0, 77, Short.MAX_VALUE) .addGroup(GroupLayout.Alignment.LEADING, jPanel2Layout.createSequentialGroup() .addComponent(jTextField5, 0, 72, Short.MAX_VALUE)