kmpanel.java~2~

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

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

public class kmPanel extends JPanel {
  BorderLayout borderLayout1 = new BorderLayout();
  JSplitPane jSplitPane1 = new JSplitPane();
  JPanel jPanel1 = new JPanel();
  JScrollPane jScrollPane1 = new JScrollPane();
  JLabel jLabel1 = new JLabel();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  JComboBox jComboBox1 = new JComboBox();
  private String queryString;
  Column column1 = new Column();
  Column column2 =new Column();
   Column column3 =new Column();
  public kmPanel() {
    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("选择课程：");
    jLabel1.setBounds(new Rectangle(70, 9, 122, 23));
    jButton1.setBounds(new Rectangle(83, 45, 73, 25));
    jButton1.setFont(new java.awt.Font("Serif", 0, 12));
    jButton1.setForeground(Color.red);
    jButton1.setText("确定");
    jButton1.addActionListener(new kmPanel_jButton1_actionAdapter(this));
    jButton2.setBounds(new Rectangle(249, 44, 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));
    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 CoName from CourseInfo");
    jComboBox1.setFont(new java.awt.Font("Serif", 0, 12));
    jComboBox1.setBounds(new Rectangle(183, 10, 112, 22));
    jComboBox1.addItem("");
    while(strs1.next()){
   jComboBox1.addItem(strs1.getString("CoName"));
  }
    con.close();


   // column1.setCaption("123");
   // column1.setColumnName("NewColumn1");
   // column1.setDataType(com.borland.dx.dataset.Variant.STRING);
   // column1.setServerColumnName("NewColumn1");
   // column1.setSqlType(0);
    this.add(jSplitPane1, BorderLayout.CENTER);
    jSplitPane1.add(jPanel1, JSplitPane.TOP);
    jPanel1.add(jLabel1, null);
    jPanel1.add(jButton1, null);
    jPanel1.add(jButton2, null);
    jPanel1.add(jComboBox1, null);
    jSplitPane1.add(jScrollPane1, JSplitPane.BOTTOM);
    jScrollPane1.getViewport().add(tableScrollPane1, null);
    tableScrollPane1.getViewport().add(jdbTable1, null);
    jSplitPane1.setDividerLocation(80);
    queryDataSet1.setColumns(new Column[] {column1});
  }

  void jButton1_actionPerformed(ActionEvent e) {
    if(jComboBox1.getSelectedItem().toString()!=null){
      queryDataSet1.close();
      String CLASS=jComboBox1.getSelectedItem().toString();
      queryString="select CoName,term,TeName from kechengview where CoName='"+CLASS+"'";
      queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1,queryString,null, true, Load.ALL));
      column1.setCaption("课程名");
     //column1.setFont(new java.awt.Font("Serif", 0, 14));
     column1.setColumnName("CoName");
     column1.setDataType(com.borland.dx.dataset.Variant.STRING);
     column1.setTableName("kechengview");
     column1.setServerColumnName("CoName");
     column1.setSqlType(0);
     column1.setWidth(8);
     column2.setCaption("学期");
     //column2.setFont(new java.awt.Font("Serif", 0, 12));
     column2.setColumnName("term");
     column2.setDataType(com.borland.dx.dataset.Variant.STRING);
     column2.setTableName("kechengview");
     column2.setServerColumnName("term");
     column2.setSqlType(0);
     column2.setWidth(8);
     column3.setCaption("教师名");
     //column3.setFont(new java.awt.Font("Serif", 0, 12));
     column3.setColumnName("TeName");
     column3.setDataType(com.borland.dx.dataset.Variant.STRING);
     column3.setTableName("kechengview");
     column3.setServerColumnName("TeName");
     column3.setSqlType(0);
     column3.setWidth(8);
     queryDataSet1.setColumns(new Column[] {column1,column2,column3});
     queryDataSet1.refresh();
     jdbTable1.setDataSet(queryDataSet1);
     jdbTable1.repaint();



    }}
}

class kmPanel_jButton1_actionAdapter implements java.awt.event.ActionListener {
  kmPanel adaptee;

  kmPanel_jButton1_actionAdapter(kmPanel adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}