orderbooklist.java

教材管理系统

package bookmanager;
import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.awt.*;
import java.sql.*; //引入包java.sql.*;
import javax.swing.table.*; //引入包sqljavax.swing.table.*;
import java.util.*; //引入包sqljava.util*;
import java.awt.event.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class orderbookList
    extends JFrame {
  //定义结果集
  ResultSet rs;
  //定义数据库操作对象
  private DBManager db = new DBManager();

  Vector tempvector = new Vector(1, 1);
  //定义DefaultTableModel模型
  DefaultTableModel model = new DefaultTableModel();
  //定义JTable为DefaultTableModel的实例model模式
  JTable jTableResult = new JTable(model);

  XYLayout xYLayout1 = new XYLayout();
  JScrollPane jScrollPane1 = new JScrollPane();
  JButton jButtonSearch = new JButton();
  JLabel jLabel1 = new JLabel();
  JComboBox jComboBoxtype = new JComboBox();
  public orderbookList() {
    try {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

  public static void main(String[] args) {
    orderbookList orderbookList = new orderbookList();
  }

  private void jbInit() throws Exception {
    xYLayout1.setWidth(762);
    xYLayout1.setHeight(497);
    this.getContentPane().setLayout(xYLayout1);
    jButtonSearch.setText("查询");
    jButtonSearch.addMouseListener(new orderbookList_jButtonSearch_mouseAdapter(this));
    jButtonSearch.setBackground(UIManager.getColor("InternalFrame.inactiveTitleForeground"));
    jButtonSearch.setFont(new java.awt.Font("Dialog", 0, 16));
    // model中加入列名
   model.addColumn("ISBN号");
   model.addColumn("书名");
   model.addColumn("版本号");
   model.addColumn("出版社");
   model.addColumn("作者");
   model.addColumn("现存数量");
   model.addColumn("预订总数量");
  this.setTitle("教材预定查询查询");


    this.getContentPane().setBackground(UIManager.getColor("InternalFrame.inactiveTitleForeground"));
    this.setTitle("预订情况查询");
    jScrollPane1.getViewport().setBackground(UIManager.getColor("MenuBar.background"));
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setText("教材类别");
    this.getContentPane().add(jScrollPane1,  new XYConstraints(29, 81, 712, 375));
    this.getContentPane().add(jButtonSearch, new XYConstraints(410, 32, -1, 28));
    this.getContentPane().add(jLabel1,    new XYConstraints(70, 33, 75, 29));
    this.getContentPane().add(jComboBoxtype, new XYConstraints(173, 33, 134, 31));
    jScrollPane1.getViewport().add(jTableResult, null);
  }

//加载数据
  void jButtonSearch_mouseClicked(MouseEvent e) {
    String strSQL;

  boolean isFirst = true;
    //检验书目是否存在
    strSQL = "select orderbook.ISBN,ordersum,book.num,name,press,author,Vnum from orderbook,books where orderbook.ISBN=books.ISBN ";
   if (!jComboBoxtype.getSelectedItem().toString().equals("")) {
        strSQL = strSQL + " and books.type='" +
              jComboBoxtype.getSelectedItem().toString() +
              "'";
        isFirst = false;
       }

    rs = db.getResult(strSQL);
    boolean isexist = false;
    try {
      isexist = rs.first();
    }
    catch (SQLException ex1) {
      JOptionPane.showMessageDialog(null, "ex1.toString() " + ex1.toString());
    }
    //若预定书目不存在，提示警告信息提醒用户
    if (!isexist) {
      JOptionPane.showMessageDialog(null, "没有预定书目，请确认！");
      return;
    }
    //若存在，执行以下操作
    //清空model中的对象
    for (int n = model.getRowCount() - 1; n >= 0; n--)
      model.removeRow(n);

    try {
      rs.beforeFirst();
      while (rs.next()) {
        tempvector = new Vector(1, 1);
        tempvector.add(rs.getString("ISBN"));
       tempvector.add(rs.getString("name"));
       tempvector.add(rs.getString("Press"));
       tempvector.add(rs.getString("Author"));
       tempvector.add(rs.getString("Vnum"));
        tempvector.add(rs.getString("num"));
       tempvector.add(rs.getString("ordersum"));
        model.addRow(tempvector);
      }
    }
    catch (SQLException ex) {
      JOptionPane.showMessageDialog(null, "ex.toString() :" + ex.toString());
    }

  }
}

class orderbookList_jButtonSearch_mouseAdapter
    extends java.awt.event.MouseAdapter {
  orderbookList adaptee;

  orderbookList_jButtonSearch_mouseAdapter(orderbookList adaptee) {
    this.adaptee = adaptee;
  }

  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonSearch_mouseClicked(e);
  }
}