fsetclassroom.java

中小学校园的教师

package untitled2;

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

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

public class FSetClassroom extends JFrame {
  JComboBox jcbgrade = new JComboBox();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JComboBox jComboBox3 = new JComboBox();
  JComboBox jCBclass = new JComboBox();
  JLabel jLabel2 = new JLabel();
  JButton jButton4 = new JButton();
  XYLayout xYLayout2 = new XYLayout();
  JPanel jPanel2 = new JPanel();
  XYLayout xYLayout1 = new XYLayout();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  Connection con;
  Statement st;
  PreparedStatement ps;
  ResultSet rs;
  String sql;


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

  void jbInit() throws Exception {
    jPanel2.setLayout(xYLayout2);
    jPanel2.setMaximumSize(new Dimension(32767, 32767));
   // jButton4.addActionListener(new SetClassroomPanel_jButton4_actionAdapter(this));
    jButton4.setText("确定");
    jButton4.addActionListener(new FSetClassroom_jButton4_actionAdapter(this));
    jLabel2.setText("年级");
    //jCBclass.addItemListener(new SetClassroomPanel_jCBclass_itemAdapter(this));
    //jCBclass.addActionListener(new SetClassroomPanel_jCBclass_actionAdapter(this));
   // jComboBox3.addActionListener(new SetClassroomPanel_jComboBox3_actionAdapter(this));
    jLabel3.setText("班级");
    jLabel1.setText("教室号");
  //  jcbgrade.addActionListener(new SetClassroomPanel_jcbgrade_actionAdapter(this));
    //jcbgrade.addActionListener(new SetClassroomPanel_jcbgrade_actionAdapter(this));
    //jcbgrade.addItemListener(new SetClassroomPanel_jcbgrade_itemAdapter(this));
    this.getContentPane().setLayout(xYLayout1);
    this.setName("frame33");
    this.setResizable(true);
    this.setSize(new Dimension(800, 600));
    this.setTitle("");
    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 classroom.classroom_id as 教室号,classroom.classroom_name as " +
      "教室名,classroom.classroom_site as 容量,classroom.classroom_size as 地址 " +
      "FROM Digital_Campus.dbo.classroom where (classroom.classroom_name " +
      "<>\'\')", null, true, Load.ALL));
    jdbTable1.setDataSet(queryDataSet1);
    jcbgrade.addActionListener(new FSetClassroom_jcbgrade_actionAdapter(this));
    jPanel2.add(jLabel2, new XYConstraints(16, 14, -1, -1));
    jPanel2.add(jcbgrade, new XYConstraints(70, 12, 106, -1));
    jPanel2.add(jComboBox3, new XYConstraints(275, 15, 111, -1));
    jPanel2.add(jLabel3, new XYConstraints(208, 19, 33, -1));
    jPanel2.add(jLabel1, new XYConstraints(13, 54, -1, 22));
    jPanel2.add(jCBclass, new XYConstraints(73, 55, 101, -1));
    jPanel2.add(jButton4, new XYConstraints(285, 56, -1, -1));
    this.getContentPane().add(tableScrollPane1,   new XYConstraints(30, 100, 447, 293));
    tableScrollPane1.getViewport().add(jdbTable1, null);
    this.getContentPane().add(jPanel2,  new XYConstraints(0, 0, 800, -1));
  }
  void addIclassr() throws SQLException {
    sql = "SELECT classroom_id FROM dbo.classroom ";
    con = DBConnection.getConnection();
    st = con.createStatement();
    rs = st.executeQuery(sql);
    while (rs.next()) {
      jCBclass.addItem(rs.getString(1));
    }

  }

  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())
      {
      jComboBox3.addItem(rs.getString(1));
    }
     closeP.close(ps);

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

  }

  void jcbgrade_actionPerformed(ActionEvent e)
  {
    try {
      jComboBox3.removeAllItems();
      addIclass();
    }
    catch (SQLException ex) {
    }

  }

  void jButton4_actionPerformed(ActionEvent e)
  {
    sql =
        "UPDATE dbo.classroom SET classroom_name = ? where classroom_id = "+jCBclass.getSelectedItem();
    Connection con = null;
    try{
      con = DBConnection.getConnection();
      PreparedStatement ps = con.prepareStatement(sql);
      ps.setString(1, jComboBox3.getSelectedItem().toString());

      ps.executeUpdate();
      JOptionPane.showMessageDialog(null,"分配成功！！！");
      queryDataSet1.refresh();
      closeP.close(ps);
    }catch(Exception ex){
      ex.printStackTrace();
    }finally{
      closeP.close(con);
    }


  }



}

class FSetClassroom_jcbgrade_actionAdapter implements java.awt.event.ActionListener {
  FSetClassroom adaptee;

  FSetClassroom_jcbgrade_actionAdapter(FSetClassroom adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jcbgrade_actionPerformed(e);
  }
}

class FSetClassroom_jButton4_actionAdapter implements java.awt.event.ActionListener {
  FSetClassroom adaptee;

  FSetClassroom_jButton4_actionAdapter(FSetClassroom adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton4_actionPerformed(e);
  }
}