statisticpanel.java~3~

银行信用评估系统

package management;

import java.awt.*;
import javax.swing.*;
import com.borland.dbswing.*;
import java.awt.event.*;
import com.borland.jbcl.layout.*;
import com.borland.dx.sql.dataset.*;
import java.awt.event.*;
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 statisticPanel extends JPanel {
  JLabel jLabel1 = new JLabel();
  JComboBox jComboBox1 = new JComboBox();
  JLabel jLabel2 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JLabel jLabel4 = new JLabel();
  TableScrollPane tableScrollPane1 = new TableScrollPane();
  JdbTable jdbTable1 = new JdbTable();
  JButton jButton1 = new JButton();

  PreparedStatement pstmt;
  Connection con;
  String query;
  ResultSet rs;
  String str;
  Database database1 = new Database();
  QueryDataSet queryDataSet1 = new QueryDataSet();
  QueryResolver queryResolver1 = new QueryResolver();

  public statisticPanel() {
    try {
      jbInit();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    jLabel1.setFont(new java.awt.Font("Dialog", 1, 40));
    jLabel1.setText("   学 生 统 计 管 理");
    jLabel1.setBounds(new Rectangle(48, 7, 386, 44));
    this.setLayout(null);
    jComboBox1.setBounds(new Rectangle(227, 67, 234, 26));
    jComboBox1.addItemListener(new statisticPanel_jComboBox1_itemAdapter(this));
    jLabel2.setFont(new java.awt.Font("Dialog", 1, 22));
    jLabel2.setToolTipText("");
    jLabel2.setText("   选 择 统 计 项 :");
    jLabel2.setBounds(new Rectangle(15, 67, 187, 26));
    this.setBackground(UIManager.getColor("InternalFrame.activeTitleGradient"));
    jLabel3.setBackground(Color.red);
    jLabel3.setFont(new java.awt.Font("Dialog", 1, 15));
    jLabel3.setForeground(Color.red);
    jLabel3.setText("留级标准：未通过课程学分累计达到5分");
    jLabel3.setBounds(new Rectangle(40, 120, 292, 16));
    jLabel4.setFont(new java.awt.Font("Dialog", 1, 15));
    jLabel4.setForeground(Color.red);
    jLabel4.setText("退学标准：未通过课程学分累计达到8分");
    jLabel4.setBounds(new Rectangle(42, 152, 284, 16));
    tableScrollPane1.setBounds(new Rectangle(-1, 177, 494, 268));
    jButton1.setBounds(new Rectangle(396, 123, 66, 36));
    jButton1.setText("统计");
    database1.setConnection(new com.borland.dx.sql.dataset.ConnectionDescriptor("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=student", "sa", "lomf8244", false, "com.borland.datastore.jdbc.DataStoreDriver"));
    database1.setTransactionIsolation(java.sql.Connection.TRANSACTION_READ_COMMITTED);
    queryDataSet1.setResolver(queryResolver1);
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, "select * from score", null, true, Load.ALL));
    queryResolver1.setDatabase(database1);
    queryResolver1.setUpdateMode(com.borland.dx.dataset.UpdateMode.KEY_COLUMNS);
    jdbTable1.setAutoResizeMode(JTable.AUTO_RESIZE_LAST_COLUMN);
    jdbTable1.setDataSet(queryDataSet1);
    this.add(jLabel1, null);
    this.add(jComboBox1, null);
    this.add(jLabel2, null);
    this.add(jLabel3, null);
    this.add(jLabel4, null);
    this.add(tableScrollPane1, null);
    this.add(jButton1, null);
    tableScrollPane1.getViewport().add(jdbTable1, null);
    jComboBox1.addItem("重修统计");
    jComboBox1.addItem("留级统计");
    jComboBox1.addItem("退学统计");

    Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
       String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=student";
       String username= "sa";
       String password= "lomf8244";
       con = DriverManager.getConnection(url,username,password);

  }

  void jComboBox1_itemStateChanged(ItemEvent e) {
      str=(String)jComboBox1.getSelectedItem();
       if(str.equals("重修统计"))
        {
          try{
          query="select * from score where SCORETPYE=重修";
          pstmt = con.prepareStatement(query);
          }
         catch(Exception ef)
         { System.out.print("系统错误，请重新运行。");
         }

      }
  }

  void jButton1_actionPerformed(ActionEvent e) {
  try{
    if(rs.next()){
    queryDataSet1.close();
    str=rs.getString("SCORETPYE");
     str= "select * from score where SCORETPYE="+"\'"+str+"\'";
    queryDataSet1.setQuery(new com.borland.dx.sql.dataset.QueryDescriptor(database1, str, null, true, Load.ALL));
    queryDataSet1.refresh();
    jdbTable1.setDataSet(queryDataSet1);
    jdbTable1.repaint();
    }
  else{

 //  jTextField1.setText("学号不存在!");
   queryDataSet1.close();
   queryDataSet1.refresh();
   jdbTable1.setDataSet(null);
   jdbTable1.repaint();
   }
  }

   catch(Exception ef)
  { System.out.print("系统错误，请重新运行。");
  }
  }
}

class statisticPanel_jComboBox1_itemAdapter implements java.awt.event.ItemListener {
  statisticPanel adaptee;

  statisticPanel_jComboBox1_itemAdapter(statisticPanel adaptee) {
    this.adaptee = adaptee;
  }
  public void itemStateChanged(ItemEvent e) {
    adaptee.jComboBox1_itemStateChanged(e);
  }
}

class statisticPanel_jButton1_actionAdapter implements java.awt.event.ActionListener {
  statisticPanel adaptee;

  statisticPanel_jButton1_actionAdapter(statisticPanel adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}