coursepanel.java~4~

简单的学生管理系统。。用JBUILER和SQL2000。

package studentgl;

import java.awt.*;
import javax.swing.*;
import com.borland.dbswing.*;
import java.awt.event.*;
import com.borland.dx.sql.dataset.*;
import com.borland.dx.dataset.*;
import java.sql.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class coursePanel extends JPanel {
  BorderLayout borderLayout1 = new BorderLayout();
  JSplitPane jSplitPane1 = new JSplitPane();
  JPanel jPanel1 = new JPanel();
  JScrollPane jScrollPane1 = new JScrollPane();
  JLabel jLabel1 = new JLabel();
  JComboBox jComboBox1 = new JComboBox();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  private String queryString;
   Column column1 = new Column();
   Column column2 =new Column();
   Column column3 =new Column();


  public coursePanel() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    this.setLayout(borderLayout1);
    jSplitPane1.setOrientation(JSplitPane.VERTICAL_SPLIT);
    jPanel1.setLayout(null);
    jLabel1.setFont(new java.awt.Font("Serif", 0, 14));
    jLabel1.setForeground(SystemColor.textHighlight);
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setText("选择班级：");
    jLabel1.setBounds(new Rectangle(85, 10, 80, 19));
    Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
    String url = "jdbc:microsoft:sqlserver://ISSAC:1433;DatabaseName=StudentGL";
    String username = "sa";
    String password = "123456";
    Connection con = DriverManager.getConnection(url,username,password);
    Statement stmt1 = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_READ_ONLY);
    ResultSet strs1 = stmt1.executeQuery("select Class from StudentInfo");

    jComboBox1.setFont(new java.awt.Font("Serif", 0, 12));
    jComboBox1.setBounds(new Rectangle(168, 8, 139, 21));
    jComboBox1.addItem("");
    while(strs1.next()){
   jComboBox1.addItem(strs1.getString("Class"));
  }
    con.close();

    jButton1.setBounds(new Rectangle(79, 39, 73, 25));
    jButton1.setFont(new java.awt.Font("Serif", 0, 12));
    jButton1.setForeground(Color.red);
    jButton1.setText("确定");
    jButton1.addActionListener(new coursePanel_jButton1_actionAdapter(this));
    jButton2.setBounds(new Rectangle(241, 40, 73, 25));
    jButton2.setFont(new java.awt.Font("Serif", 0, 12));
    jButton2.setForeground(Color.orange);
    jButton2.setText("重设");
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://Issac:1433;DatabaseName=studentgl", "sa", "123456", false, "com.microsoft.jdbc.sqlserver.SQLServerDriver"));
   // queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "", null, true, Load.ALL));
    this.add(jSplitPane1, BorderLayout.CENTER);
    jSplitPane1.add(jPanel1, JSplitPane.TOP);
    jPanel1.add(jButton2, null);
    jPanel1.add(jButton1, null);
    jPanel1.add(jLabel1, null);
    jPanel1.add(jComboBox1, null);
    jSplitPane1.add(jScrollPane1, JSplitPane.BOTTOM);
    jScrollPane1.getViewport().add(tableScrollPane1, null);
    tableScrollPane1.getViewport().add(jdbTable1, null);
    jSplitPane1.setDividerLocation(80);
  }

  void jButton1_actionPerformed(ActionEvent e) {
    if(jComboBox1.getSelectedItem().toString()!=null){
      queryDataSet1.close();
      String CLASS=jComboBox1.getSelectedItem().toString();
      queryString="select StID,StName,Sex from StudentInfo where Class="+CLASS+"";
      queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1,queryString,null, true, Load.ALL));
      column1.setCaption("学号");
     //column1.setFont(new java.awt.Font("Serif", 0, 14));
     column1.setColumnName("StID");
     column1.setDataType(com.borland.dx.dataset.Variant.STRING);
     column1.setTableName("StudentInfo");
     column1.setServerColumnName("StID");
     column1.setSqlType(0);
     column1.setWidth(8);
     column2.setCaption("姓名");
     //column2.setFont(new java.awt.Font("Serif", 0, 12));
     column2.setColumnName("StName");
     column2.setDataType(com.borland.dx.dataset.Variant.STRING);
     column2.setTableName("StudentInfo");
     column2.setServerColumnName("StName");
     column2.setSqlType(0);
     column2.setWidth(8);
     column3.setCaption("性别");
     //column3.setFont(new java.awt.Font("Serif", 0, 12));
     column3.setColumnName("Sex");
     column3.setDataType(com.borland.dx.dataset.Variant.STRING);
     column3.setTableName("StudentInfo");
     column3.setServerColumnName("Sex");
     column3.setSqlType(0);
     column3.setWidth(8);
     queryDataSet1.setColumns(new Column[] {column1,column2,column3});
     queryDataSet1.refresh();
     jdbTable1.setDataSet(queryDataSet1);
     jdbTable1.repaint();
}
  }
}

class coursePanel_jButton1_actionAdapter implements java.awt.event.ActionListener {
  coursePanel adaptee;

  coursePanel_jButton1_actionAdapter(coursePanel adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}