query_jieyue.java

图书管理系统

/*
 * Query_Jieyue.java
 *
 * Created on 2008年5月19日, 上午10:07
 */

import java.sql.*;
import javax.swing.JOptionPane;
/**
 *
 * @author  Administrator
 */
public class Query_Jieyue extends javax.swing.JDialog {
    
    /** Creates new form Query_Jieyue */
    public Query_Jieyue(java.awt.Frame parent, boolean modal) {
         super(parent, modal);
        initComponents();
        this.setTitle("借阅信息查询");
        this.setResizable(false);
    }
    
    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jtxtLibCard = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        jtxtISBN = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        jtxtBorrowTime = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jbtnQuery = new javax.swing.JButton();
        jlabelMsg = new javax.swing.JLabel();
        jcmbIndex = new javax.swing.JComboBox();

        setDefaultCloseOperation(javax.swing.WindowConstants.DISPOSE_ON_CLOSE);

        jLabel1.setText("借书证号:");

        jLabel2.setText("ISBN:");

        jLabel3.setText("借出时间:");

        jLabel4.setText("(格式:2000-11-11)");

        jLabel5.setText("索书号:");

        jbtnQuery.setText("查询");
        jbtnQuery.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jbtnQueryActionPerformed(evt);
            }
        });

        jlabelMsg.setFont(new java.awt.Font("宋体", 0, 14));

        jcmbIndex.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jcmbIndexActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
                        .addGap(20, 20, 20)
                        .addComponent(jlabelMsg, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
                        .addGap(36, 36, 36)
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                .addGroup(jPanel1Layout.createSequentialGroup()
                                    .addComponent(jLabel2)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                                    .addComponent(jtxtISBN, javax.swing.GroupLayout.PREFERRED_SIZE, 139, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGroup(jPanel1Layout.createSequentialGroup()
                                    .addComponent(jLabel1)
                                    .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                    .addComponent(jtxtLibCard)))
                            .addGroup(jPanel1Layout.createSequentialGroup()
                                .addComponent(jLabel5)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jcmbIndex, javax.swing.GroupLayout.PREFERRED_SIZE, 100, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jbtnQuery))
                            .addGroup(jPanel1Layout.createSequentialGroup()
                                .addComponent(jLabel3)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jtxtBorrowTime, javax.swing.GroupLayout.PREFERRED_SIZE, 68, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jLabel4)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(35, 35, 35)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(jtxtLibCard, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(jtxtISBN, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(jtxtBorrowTime, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jLabel4))
                .addGap(18, 18, 18)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel5)
                    .addComponent(jbtnQuery)
                    .addComponent(jcmbIndex, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(jlabelMsg, javax.swing.GroupLayout.PREFERRED_SIZE, 27, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        getContentPane().add(jPanel1, java.awt.BorderLayout.CENTER);

        pack();
    }// </editor-fold>//GEN-END:initComponents

    public void Empty(){
        try{
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
        }catch(ClassNotFoundException ex)
        {
            jlabelMsg.setText("SQL错:"+ex.getMessage());
        }
        try {
            String url="jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=sources\\data.mdb;pwd=shujuyuan";
            Connection con=DriverManager.getConnection(url);
            Statement st=con.createStatement();            
            ResultSet res=st.executeQuery("select suoshuNo from jy");
            jcmbIndex.removeAllItems();
            while(res.next())
                jcmbIndex.addItem(res.getString("suoshuNo"));
            try {
                if (st != null) { st.close(); }
            } catch (SQLException sQLException) { }
        }catch(Exception e){
            JOptionPane.showConfirmDialog(null,"找不到数据库驱动程序！","Warning",JOptionPane.CLOSED_OPTION,JOptionPane.WARNING_MESSAGE);
            this.setVisible(false);
        }
        jtxtLibCard.setText("");
        jtxtISBN.setText("");
        jtxtBorrowTime.setText("");
        jcmbIndex.setSelectedIndex(0);
        jlabelMsg.setText("选择索书号，然后点击查询。");
        jtxtLibCard.setEnabled(false);
        jtxtISBN.setEnabled(false);
        jtxtBorrowTime.setEnabled(false);
    }
    
    private void jbtnQueryActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jbtnQueryActionPerformed
        // TODO add your handling code here:
        jtxtLibCard.setText("");
        jtxtISBN.setText("");
        jtxtBorrowTime.setText("");
        String flag="",ss="";
        try{
            Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
        }catch(ClassNotFoundException ex)
        {
            jlabelMsg.setText("SQL错:"+ex.getMessage());
        }
        try {
            String url = "jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=sources\\data.mdb;pwd=shujuyuan";
            Connection con = DriverManager.getConnection(url);
            PreparedStatement ps = con.prepareStatement("select * from jy where suoshuNo=?");
            ss = new String((String) jcmbIndex.getSelectedItem());
            if (ss.length() < 1) {
                throw new ArrayIndexOutOfBoundsException();
            }
            ps.setString(1, ss);
            ResultSet rs = ps.executeQuery();
            while(rs.next()){
                flag=new String(rs.getString("libCard"));
                jtxtLibCard.setText(flag);
                jtxtISBN.setText(rs.getString("ISBN"));
                jtxtBorrowTime.setText(rs.getString("borrowTime").substring(0,10));
            }
            if(flag.length()<1) throw new ArrayIndexOutOfBoundsException();
            try {
                if(ps!=null) ps.close();
                if(rs!=null) rs.close();
                if(con!=null) con.close();
            } catch (SQLException sQLException) { }
            jlabelMsg.setText("查询成功！");
             jtxtLibCard.setEnabled(true);
            jtxtISBN.setEnabled(true);
            jtxtBorrowTime.setEnabled(true);
        } catch (ArrayIndexOutOfBoundsException e) {
            if(ss.length()<1) jlabelMsg.setText("请选择索书号！");
            else if(flag.length()<1) jlabelMsg.setText("没有此号借阅记录！");
        }
        catch(Exception e){
            jlabelMsg.setText("查询失败！(可能连接数据库失败)");
        }
    }//GEN-LAST:event_jbtnQueryActionPerformed

    private void jcmbIndexActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jcmbIndexActionPerformed
        // TODO add your handling code here:
        jtxtLibCard.setText("");
        jtxtISBN.setText("");
        jtxtBorrowTime.setText("");
        jlabelMsg.setText("选择索书号，然后点击添加。");
        jtxtLibCard.setEnabled(false);
        jtxtISBN.setEnabled(false);
        jtxtBorrowTime.setEnabled(false);
    }//GEN-LAST:event_jcmbIndexActionPerformed
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                Query_Jieyue dialog = new Query_Jieyue(new javax.swing.JFrame(), true);
                dialog.addWindowListener(new java.awt.event.WindowAdapter() {
                    public void windowClosing(java.awt.event.WindowEvent e) {
                        System.exit(0);
                    }
                });
                dialog.setVisible(true);
            }
        });
    }
    
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JButton jbtnQuery;
    private javax.swing.JComboBox jcmbIndex;
    private javax.swing.JLabel jlabelMsg;
    private javax.swing.JTextField jtxtBorrowTime;
    private javax.swing.JTextField jtxtISBN;
    private javax.swing.JTextField jtxtLibCard;
    // End of variables declaration//GEN-END:variables
    
}