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📄 orderbookquery.java

📁 教材管理系统
💻 JAVA
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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 orderbookquery = new orderbookquery();  }  private void jbInit() throws Exception {    xYLayout1.setWidth(762);    xYLayout1.setHeight(497);    this.getContentPane().setLayout(xYLayout1);    jButtonSearch.setText("查询");    jButtonSearch.addMouseListener(new orderbookquery_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("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.getContentPane().setBackground(UIManager.getColor("InternalFrame.inactiveTitleForeground"));    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("");    jScrollPane1.getViewport().setBackground(UIManager.getColor("MenuBar.background"));    this.getContentPane().add(jLabel1, new XYConstraints(27, 21, 92, 27));    this.getContentPane().add(jTextFieldusername,  new XYConstraints(117, 20, 147, 28));    this.getContentPane().add(jLabel2,    new XYConstraints(27, 68, 80, 30));    this.getContentPane().add(jTextFielddepartment,   new XYConstraints(117, 63, 147, 28));    this.getContentPane().add(jScrollPane1,     new XYConstraints(28, 112, 712, 361));    this.getContentPane().add(jTextFieldprofessional, new XYConstraints(365, 20, 147, 28));    this.getContentPane().add(jLabel3,   new XYConstraints(290, 23, 75, -1));    this.getContentPane().add(jButtonSearch, new XYConstraints(443, 69, -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,Vnum,press,username,orderdate,ordernum,usetype from books,orderbook where books.ISBN=orderbook.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);  }}

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