returnbook.java~25~

本源码主要是书籍借阅管理系统

package bookmanager;

import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

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

  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel4 = new JLabel();
  JTextField jTextbookname = new JTextField();
  JButton jButtonCancel = new JButton();
  JButton jButtonOk = new JButton();
  JLabel jLabel1 = new JLabel();
  JLabel jLabel3 = new JLabel();
  JButton jButtonReset = new JButton();
  JTextField jTextreturndate = new JTextField();
  JLabel jLabel2 = new JLabel();
  JTextField jTextcomment = new JTextField();
  JTextField jTextstudentname = new JTextField();

  public returnBook() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  public static void main(String[] args) {
    returnBook returnBook = new returnBook();
  }
  private void jbInit() throws Exception {
    jTextstudentname.setText("");
    jTextstudentname.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextcomment.setText("");
    jTextcomment.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setText("书名");
    jTextreturndate.setText("");
    jTextreturndate.setFont(new java.awt.Font("Dialog", 0, 16));
     jButtonReset.setText("清空");
    jButtonReset.addMouseListener(new returnBook_jButtonReset_mouseAdapter(this));
    jButtonReset.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonReset.setEnabled(true);
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel3.setText("日期");
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setRequestFocusEnabled(true);
    jLabel1.setText("还书者姓名");
    jButtonOk.setFont(new java.awt.Font("Dialog", 0, 16));
     jButtonOk.setText("确定");
    jButtonOk.addMouseListener(new returnBook_jButtonOk_mouseAdapter(this));
    jButtonCancel.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonCancel.addMouseListener(new returnBook_jButtonCancel_mouseAdapter(this));
    jButtonCancel.setText("退出");
    jButtonCancel.addMouseListener(new returnBook_jButtonCancel_mouseAdapter(this));
    jTextbookname.setText("");
    jTextbookname.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel4.setText("备注");
    this.getContentPane().setLayout(xYLayout1);
    xYLayout1.setWidth(497);
    xYLayout1.setHeight(306);
    this.getContentPane().add(jTextstudentname,  new XYConstraints(204, 32, 134, 26));
    this.getContentPane().add(jLabel4, new XYConstraints(79, 184, 63, 29));
    this.getContentPane().add(jTextbookname, new XYConstraints(200, 82, 154, 30));
    this.getContentPane().add(jButtonCancel, new XYConstraints(334, 229, 100, 36));
    this.getContentPane().add(jButtonOk, new XYConstraints(208, 230, 101, 36));
    this.getContentPane().add(jLabel3, new XYConstraints(79, 136, 87, 29));
    this.getContentPane().add(jButtonReset, new XYConstraints(57, 233, 104, 32));
    this.getContentPane().add(jTextreturndate, new XYConstraints(202, 131, 137, -1));
    this.getContentPane().add(jLabel2, new XYConstraints(82, 79, 89, 35));
    this.getContentPane().add(jTextcomment, new XYConstraints(206, 187, 137, -1));
    this.getContentPane().add(jLabel1, new XYConstraints(80, 29, 88, 33));
  }

  void jButtonCancel_mouseClicked(MouseEvent e) {
             this.dispose();
  }
//清空所有文本框
  void jButtonReset_mouseClicked(MouseEvent e) {
       jTextstudentname.setText("");
       jTextbookname.setText("");
       jTextreturndate.setText("");
       jTextcomment.setText("");

  }

  void jButtonOk_mouseClicked(MouseEvent e) {
    String strSQL ;
    //借阅者姓名是否为空
            if(jTextstudentname.getText().trim().equals(""))
            {JOptionPane.showMessageDialog(null,"借阅者姓名不许为空！");
                return;}
          //书名是否为空
        if(jTextbookname.getText().trim().equals(""))
            {JOptionPane.showMessageDialog(null,"书名不许为空！");
                return;}
          //还阅日起是否为空
        if(jTextreturndate.getText().trim().equals(""))
             {JOptionPane.showMessageDialog(null,"还阅日起不许为空！");
                return;}
        //生成更新sql语句
                 strSQL="update  BookBorrow set returndate='"+jTextreturndate.getText()+"',";
                 strSQL=strSQL+"  comment='"+jTextcomment.getText() +"'";
                 strSQL=strSQL+" where studentname='"+jTextstudentname.getText() +"'";
                 strSQL=strSQL+" and bookname='"+jTextbookname.getText() +"'";
           //由数据库操作对象执行数据库操作，并返回操作成功失败的提示信息
                if(db.executeSqlupdate(strSQL)!=0){
                      JOptionPane.showMessageDialog(null,"操作成功!");
                    }
                else
                   {
                     JOptionPane.showMessageDialog(null,"此借书者不存在！请确认！");
                   }

  }
}

class returnBook_jButtonCancel_mouseAdapter extends java.awt.event.MouseAdapter {
  returnBook adaptee;

  returnBook_jButtonCancel_mouseAdapter(returnBook adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonCancel_mouseClicked(e);
  }
}

class returnBook_jButtonReset_mouseAdapter extends java.awt.event.MouseAdapter {
  returnBook adaptee;

  returnBook_jButtonReset_mouseAdapter(returnBook adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonReset_mouseClicked(e);
  }
}

class returnBook_jButtonOk_mouseAdapter extends java.awt.event.MouseAdapter {
  returnBook adaptee;

  returnBook_jButtonOk_mouseAdapter(returnBook adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonOk_mouseClicked(e);
  }
}