orderbookquery.java~14~

来自「教材管理系统」· JAVA~14~ 代码 · 共 169 行

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 orderbookquery
    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();
  JTextField jTextFieldusername = new JTextField();
  JLabel jLabel3 = new JLabel();
  JTextField jTextFieldprofessional = new JTextField();
  JLabel jLabel2 = new JLabel();
  JTextField jTextFielddepartment = new JTextField();

  public orderbookquery() {
    try {
      jbInit();
    }
    catch (Exception e) {
      e.printStackTrace();
    }
  }

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

  private void jbInit() throws Exception {
    xYLayout1.setWidth(843);
    xYLayout1.setHeight(497);
    this.getContentPane().setLayout(xYLayout1);
    jButtonSearch.setText("查询");
    jButtonSearch.addMouseListener(new orderbookquery_jButtonSearch_mouseAdapter(this));
    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("预定用户");
   model.addColumn("预定日期");
   model.addColumn("使用类别");
   model.addColumn("预定数量");
  this.setTitle("教材预定查询查询");

    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setText("预订用户");
    jTextFieldusername.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFieldusername.setText("");
    jLabel3.setText("所在专业");
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFieldprofessional.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFieldprofessional.setText("");

    this.setTitle("预订情况查询");
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setText("所属院系");
    jTextFielddepartment.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextFielddepartment.setText("");
    this.getContentPane().add(jLabel1, new XYConstraints(27, 21, 92, 27));
    this.getContentPane().add(jScrollPane1,      new XYConstraints(16, 122, 806, 361));
    this.getContentPane().add(jTextFieldusername, new XYConstraints(117, 20, 116, -1));
    this.getContentPane().add(jLabel3, new XYConstraints(256, 20, 75, -1));
    this.getContentPane().add(jTextFieldprofessional, new XYConstraints(343, 20, 139, 27));
    this.getContentPane().add(jLabel2,    new XYConstraints(27, 68, 80, 30));
    this.getContentPane().add(jTextFielddepartment, new XYConstraints(115, 63, 121, 31));
    this.getContentPane().add(jButtonSearch,  new XYConstraints(372, 66, -1, 28));
    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 books.ISBN,name,author,press,username,orderdate,ordernum,usetype,innum,inuser,indate,innewnum from books,orderbook,bookin where books.ISBN=orderbook.ISBN and orderbook.ISBN=bookin.ISBN";
    if (!jTextFieldusername.getText().trim().equals("")) {
           strSQL = strSQL + " and orderbook.username='" +
               jTextFieldusername.getText().trim() +
               "'";
         isFirst = false;
         }

    rs = db.getResult(strSQL);
    boolean isexist = false;
    try {
      isexist = rs.first();
    }
    catch (SQLException ex1) {
      JOptionPane.showMessageDialog(null, "ex1.toString() " + ex1.toString());
    }
    //若书目不存在，提示警告信息提醒用户
    if (!isexist) {
      JOptionPane.showMessageDialog(null, "书库中没有书目，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("inuser"));
       tempvector.add(rs.getString("indate"));
       tempvector.add(rs.getString("innum"));
       tempvector.add(rs.getString("innewnum"));

        model.addRow(tempvector);
      }
    }
    catch (SQLException ex) {
      JOptionPane.showMessageDialog(null, "ex.toString() :" + ex.toString());
    }

  }
}

class orderbookquery_jButtonSearch_mouseAdapter
    extends java.awt.event.MouseAdapter {
  orderbookquery adaptee;

  orderbookquery_jButtonSearch_mouseAdapter(orderbookquery adaptee) {
    this.adaptee = adaptee;
  }

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