classq.java

S1项目本需求规格说明描述了北大青鸟ACCP教学管理系统项目的要求

package xiangmu;

import java.awt.*;
import javax.swing.table.DefaultTableModel;
import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.Rectangle;
import java.awt.Font;
import javax.swing.border.EtchedBorder;
import javax.swing.border.Border;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.PreparedStatement;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Connection;

/**
 * <p>Title: 第四学习小组-教学管理系统</p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class ClassQ extends JFrame {
    String cols[]={"  班级编号","  班级类别","  所属年级","  班主任"," 开班日期","  毕业日期","  备  注"};
    DefaultTableModel bg=new DefaultTableModel(cols,0);
    public ClassQ() {
        try {
            jbInit();
            try {
                Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
                Connection conn = DriverManager.getConnection(
                        "jdbc:odbc:xiangmu");
                PreparedStatement sql = conn.prepareStatement(
                        "select ClassNo from ClassInfo");
                ResultSet i = sql.executeQuery();
                while (i.next()) {
                    this.cmbClassNo.addItem(i.getString(1));
                    //this.cmbStudentNo.addItem(i.getString(2));
                }
            } catch (Exception ex) {

            }

        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    private void jbInit() throws Exception {
        this.setResizable(false);
        getContentPane().setLayout(null);
        btnQuery.setBounds(new Rectangle(494, 7, 90, 33));
        btnQuery.setFont(new java.awt.Font("宋体", Font.BOLD, 12));
        btnQuery.setText("查  询");
        btnQuery.addActionListener(new ClassQ_btnQuery_actionAdapter(this));
        cmbClassTerm.setBounds(new Rectangle(208, 5, 91, 33));
        jLabel2.setFont(new java.awt.Font("宋体", Font.BOLD, 12));
        jLabel2.setText("所属年级：");
        jLabel2.setBounds(new Rectangle(143, 18, 67, 15));
        jScrollPane1.setBorder(border1);
        jButton2.addActionListener(new ClassQ_jButton2_actionAdapter(this));
        jScrollPane1.setBounds(new Rectangle(8, 46, 790, 402));
        jLabel1.setFont(new java.awt.Font("宋体", Font.BOLD, 12));
        jLabel1.setText("所属班级：");
        jLabel1.setBounds(new Rectangle(308, 13, 71, 20));
        cmbClassNo.setBounds(new Rectangle(372, 5, 90, 33));
        this.getContentPane().add(jScrollPane1);
        this.getContentPane().add(jButton2);
        this.getContentPane().add(btnQuery);
        this.getContentPane().add(jLabel2);
        this.getContentPane().add(cmbClassTerm);
        this.getContentPane().add(jLabel1);
        this.getContentPane().add(cmbClassNo);
        jScrollPane1.getViewport().add(jTable1);
        jButton2.setBounds(new Rectangle(594, 7, 90, 33));
        jButton2.setFont(new java.awt.Font("宋体", Font.BOLD, 12));
        jButton2.setText("退  出");
        jScrollPane1.setVerticalScrollBarPolicy(JScrollPane.
                                                VERTICAL_SCROLLBAR_ALWAYS);
        setTitle("教学管理系统-班级信息查询");
    }

    JButton btnQuery = new JButton();
    JButton jButton2 = new JButton();
    JLabel jLabel2 = new JLabel();
    String term[] = {"", "S1", "S2", "Y2"};
    JComboBox cmbClassTerm = new JComboBox(term);
    JScrollPane jScrollPane1 = new JScrollPane();
    JTable jTable1 = new JTable(bg);
    Border border1 = BorderFactory.createEtchedBorder(EtchedBorder.RAISED,
            Color.white, new Color(170, 170, 170));
    JLabel jLabel1 = new JLabel();
    String classno[] = {""};
    JComboBox cmbClassNo = new JComboBox(classno);
    public void jButton2_actionPerformed(ActionEvent e) {
        if (JOptionPane.showConfirmDialog(this, "是否确定退出班级信息查询", "温馨提示",
                                                JOptionPane.OK_CANCEL_OPTION) ==
                  JOptionPane.OK_OPTION) {
                          Dimension screenSize = Toolkit.getDefaultToolkit().
                                                 getScreenSize();
                           this.dispose();
                      }

    }

    public void btnQuery_actionPerformed(ActionEvent e) {
        try {
                         String sql="select * from ClassInfo where 1=1 ";
                       if (!this.cmbClassTerm.getSelectedItem().toString().equals("")) {
                           sql += " and Term ='" +
                                   this.cmbClassTerm.getSelectedItem().toString() + "'";
                       }
                       if (!this.cmbClassNo.getSelectedItem().toString().equals("")) {
                            sql += " and ClassNo ='" +
                                    this.cmbClassNo.getSelectedItem().toString() + "'";
                        }
                         Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
                         Connection conn = DriverManager.getConnection("jdbc:odbc:xiangmu");
                         PreparedStatement ps = conn.prepareStatement(sql);
                         ResultSet rs= ps.executeQuery();
                         bg.setRowCount(0);
                         while(rs.next()){
                             Object val[]={rs.getString(1),rs.getString(2),
                           rs.getString(3),rs.getString(4),rs.getString(5),rs.getString(6),
                          rs.getString(7)};
                          bg.addRow(val);
                         }
                         jTable1.updateUI();
                         rs.close();
                         ps.close();
                         conn.close();
                     }
                   catch (Exception ex) {
                         JOptionPane.showMessageDialog(this, "查询失败！");
              }

    }
}


class ClassQ_btnQuery_actionAdapter implements ActionListener {
    private ClassQ adaptee;
    ClassQ_btnQuery_actionAdapter(ClassQ adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.btnQuery_actionPerformed(e);
    }
}


class ClassQ_jButton2_actionAdapter implements ActionListener {
    private ClassQ adaptee;
    ClassQ_jButton2_actionAdapter(ClassQ adaptee) {
        this.adaptee = adaptee;
    }

    public void actionPerformed(ActionEvent e) {
        adaptee.jButton2_actionPerformed(e);
    }
}