fexamineplan.java

中小学校园的教师

package untitled2;

import javax.swing.*;
import java.awt.*;
import com.borland.jbcl.layout.*;
import java.sql.Connection;
import java.sql.Statement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import com.borland.dx.sql.dataset.*;
import com.borland.dbswing.*;
import java.sql.SQLException;
import java.awt.event.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class FExaminePlan extends JFrame {
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel4 = new JLabel();
  JComboBox jcbgrade = new JComboBox();
  JLabel jLabel1 = new JLabel();
  JComboBox jcbc = new JComboBox();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel2 = new JLabel();
  XYLayout xYLayout2 = new XYLayout();
  JPanel jPanel2 = new JPanel();
  JButton jButton1 = new JButton();
  JTextField jtft = new JTextField();
  JComboBox jCBchoose = new JComboBox();
  Connection con;
  Statement st;
  PreparedStatement ps;
  ResultSet rs;
  String sql;
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();


  public FExaminePlan() {
    try {
      jbInit();
      addIgrade();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  void jbInit() throws Exception {
    jPanel2.setLayout(xYLayout2);
    jPanel2.setPreferredSize(new Dimension(10, 10));
    jLabel2.setText("年级");
    jLabel3.setText("教师号");
    jLabel1.setText("条件");
    //jcbgrade.addActionListener(new ExaminePlanPanel_jcbgrade_actionAdapter(this));
    jLabel4.setText("班级");
    this.setResizable(true);
    this.setSize(new Dimension(800, 600));
    this.getContentPane().setLayout(xYLayout1);
    jButton1.setEnabled(false);
    jButton1.setToolTipText("");
    jButton1.setText("查看");
   // jButton1.addActionListener(new ExaminePlanPanel_jButton1_actionAdapter(this));
    jtft.setRequestFocusEnabled(true);
    jtft.setText("");
   // jCBchoose.addActionListener(new ExaminePlanPanel_jCBchoose_actionAdapter(this));
   // jCBchoose.addItemListener(new ExaminePlanPanel_jCBchoose_itemAdapter(this));
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:odbc:digital_campus", "dbw", "123456", false, "sun.jdbc.odbc.JdbcOdbcDriver"));
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "SELECT \"plan\".plan_time as 时间,\"plan\".plan_content as 内容,\"plan\".plan_author " +
      "as 作者 FROM Digital_Campus.dbo.\"plan\"", null, true, Load.ALL));
    jdbTable1.setDataSet(queryDataSet1);
    jCBchoose.addItemListener(new FExaminePlan_jCBchoose_itemAdapter(this));
    jcbgrade.addActionListener(new FExaminePlan_jcbgrade_actionAdapter(this));
    jPanel2.add(jLabel2, new XYConstraints(4, 30, 38, 23));
    jPanel2.add(jLabel4, new XYConstraints(223, 31, 47, 23));
    jPanel2.add(jcbc, new XYConstraints(286, 29, 97, -1));
    jPanel2.add(jcbgrade, new XYConstraints(61, 32, 85, -1));
    this.getContentPane().add(tableScrollPane1,   new XYConstraints(37, 132, 422, 127));
    this.getContentPane().add(jCBchoose, new XYConstraints(68, 27, 91, -1));
    tableScrollPane1.getViewport().add(jdbTable1, null);
    this.getContentPane().add(jButton1,  new XYConstraints(412, 11, 66, -1));
    this.getContentPane().add(jLabel1, new XYConstraints(7, 21, 40, 28));
    this.getContentPane().add(jLabel3,   new XYConstraints(216, 30, 47, 22));
    this.getContentPane().add(jtft,   new XYConstraints(287, 30, 94, -1));
    this.getContentPane().add(jPanel2, new XYConstraints(1, 46, 473, 69));
    jCBchoose.addItem("教师");
    jCBchoose.addItem("年级");
    jCBchoose.addItem("班级");
  }

  void addIgrade() throws SQLException
  {
    sql = "SELECT grade_name FROM dbo.grade";
    con = DBConnection.getConnection();
    st = con.createStatement();
    rs = st.executeQuery(sql);
    //jcbgrade.addItem("");
    while (rs.next()) {
      jcbgrade.addItem(rs.getString(1));
    }

  }

  void addIclass() throws SQLException
{


 sql = "SELECT class_name FROM dbo.class   " +
          "WHERE (grade_name = ?)";
  Connection con = null;

  try{
    con = DBConnection.getConnection();
    PreparedStatement ps = con.prepareStatement(sql);
    ps.setString(1, jcbgrade.getSelectedItem().toString());
    ResultSet rs = ps.executeQuery();

    while (rs.next())
    {
    jcbc.addItem(rs.getString(1));
  }
   closeP.close(ps);

  }catch(Exception e){
    e.printStackTrace();
  }finally{
    closeP.close(con);
  }

}

  void jCBchoose_itemStateChanged(ItemEvent e)
  {
    switch(jCBchoose.getSelectedIndex()+1)
     {
         case 1 :jLabel3.setVisible(true);
                  jtft.setVisible(true);
                 jPanel2.setVisible(false);break;
         case 2 : jPanel2.setVisible(true);
                  jLabel4.setVisible(false);
                 jcbc.setVisible(false);
                jLabel3.setVisible(false);
                 jtft.setVisible(false);

           break;
         case 3:   jPanel2.setVisible(true);
                   jLabel4.setVisible(true);
                  jcbc.setVisible(true);
                  jLabel3.setVisible(false);
                   jtft.setVisible(false); break;
     }


  }

  void jcbgrade_actionPerformed(ActionEvent e)
  {
    jcbc.removeAllItems();
        try {
          addIclass();
        }
        catch (SQLException ex) {
        }

  }






}

class FExaminePlan_jCBchoose_itemAdapter implements java.awt.event.ItemListener {
  FExaminePlan adaptee;

  FExaminePlan_jCBchoose_itemAdapter(FExaminePlan adaptee) {
    this.adaptee = adaptee;
  }
  public void itemStateChanged(ItemEvent e) {
    adaptee.jCBchoose_itemStateChanged(e);
  }
}

class FExaminePlan_jcbgrade_actionAdapter implements java.awt.event.ActionListener {
  FExaminePlan adaptee;

  FExaminePlan_jcbgrade_actionAdapter(FExaminePlan adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jcbgrade_actionPerformed(e);
  }
}