borrowbook.java~8~

Java信息系统设计与开发实例（第二版）随书源代码.

package bookmanager;

import javax.swing.*;
import com.borland.jbcl.layout.*;
import java.awt.*;
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 borrowBook extends JFrame {

  //定义数据库操作对象
 private DBManager db =new DBManager();
  XYLayout xYLayout1 = new XYLayout();
  JLabel jLabel4 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JButton jButtonCancel = new JButton();
  JTextField jTextbookname = new JTextField();
  JTextField jTextborrowdate = new JTextField();
  JLabel jLabel1 = new JLabel();
  JButton jButtonOk = new JButton();
  JLabel jLabel3 = new JLabel();
  JTextField jTextcomment = new JTextField();
  JButton jButtonReset = new JButton();
  JTextField jTextstudentname = new JTextField();

  public borrowBook() {
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  public static void main(String[] args) {
    borrowBook borrowBook = new borrowBook();
  }
  private void jbInit() throws Exception {
    jTextstudentname.setText("");
    jTextstudentname.setFont(new java.awt.Font("Dialog", 0, 16));
     jButtonReset.setText("清空");
    jButtonReset.addMouseListener(new borrowBook_jButtonReset_mouseAdapter(this));
    jButtonReset.setFont(new java.awt.Font("Dialog", 0, 16));
    jButtonReset.setEnabled(true);
    jTextcomment.setText("");
    jTextcomment.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel3.setText("日期");
    jLabel3.setFont(new java.awt.Font("Dialog", 0, 16));
     jButtonOk.setText("确定");
    jButtonOk.addMouseListener(new borrowBook_jButtonOk_mouseAdapter(this));
    jButtonOk.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel1.setText("借阅者姓名");
    jLabel1.setRequestFocusEnabled(true);
    jLabel1.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextborrowdate.setText("");
    jTextborrowdate.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextbookname.setText("");
    jTextbookname.setFont(new java.awt.Font("Dialog", 0, 16));
     jButtonCancel.setText("取消");
    jButtonCancel.addMouseListener(new borrowBook_jButtonCancel_mouseAdapter(this));
    jButtonCancel.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel2.setText("书名");
    jLabel2.setFont(new java.awt.Font("Dialog", 0, 16));
    jLabel4.setText("备注");
    jLabel4.setFont(new java.awt.Font("Dialog", 0, 16));
    xYLayout1.setWidth(484);
    xYLayout1.setHeight(307);
    this.getContentPane().setLayout(xYLayout1);
    this.getContentPane().add(jTextstudentname,  new XYConstraints(206, 23, 150, 26));
    this.getContentPane().add(jLabel4, new XYConstraints(77, 180, 63, 29));
    this.getContentPane().add(jLabel2, new XYConstraints(75, 77, 89, 35));
    this.getContentPane().add(jTextbookname, new XYConstraints(205, 77, 154, 23));
    this.getContentPane().add(jTextborrowdate, new XYConstraints(205, 120, 153, -1));
    this.getContentPane().add(jLabel1, new XYConstraints(78, 19, 88, 33));
    this.getContentPane().add(jLabel3, new XYConstraints(75, 133, 87, 29));
    this.getContentPane().add(jTextcomment, new XYConstraints(206, 169, 154, -1));
    this.getContentPane().add(jButtonOk,  new XYConstraints(189, 248, 101, 30));
    this.getContentPane().add(jButtonCancel,  new XYConstraints(315, 249, 100, 29));
    this.getContentPane().add(jButtonReset,  new XYConstraints(56, 250, 104, 27));
  }

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

  void jButtonOk_mouseClicked(MouseEvent e) {
    String sql;
      //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;}
       //借阅日起是否为空
     if(jTextborrowdate.getText().trim().equals(""))
         {JOptionPane.showMessageDialog(null,"借阅日起不许为空！");
             return;}
    //然后执行插入操作
                sql="insert into BookBorrow(studentname,bookname,borrowdate,returndate,comment)values(  ";
                  sql=sql+"'"+jTextstudentname.getText() +"',";
                    sql=sql+"'"+jTextbookname.getText() +"',";
                      sql=sql+"#"+jTextborrowdate.getText()+"#,";
                       sql=sql+"'',";
                          sql=sql+"'"+jTextcomment.getText() +"'";
                sql=sql+")";
         //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.executeSql(sql))
                       {JOptionPane.showMessageDialog(null,"成功添加！"); }
                    else
                       { JOptionPane.showMessageDialog(null," 添加失败，请重新操作！");      }

  }
}

class borrowBook_jButtonCancel_mouseAdapter extends java.awt.event.MouseAdapter {
  borrowBook adaptee;

  borrowBook_jButtonCancel_mouseAdapter(borrowBook adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonCancel_mouseClicked(e);
  }
}

class borrowBook_jButtonReset_mouseAdapter extends java.awt.event.MouseAdapter {
  borrowBook adaptee;

  borrowBook_jButtonReset_mouseAdapter(borrowBook adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonReset_mouseClicked(e);
  }
}

class borrowBook_jButtonOk_mouseAdapter extends java.awt.event.MouseAdapter {
  borrowBook adaptee;

  borrowBook_jButtonOk_mouseAdapter(borrowBook adaptee) {
    this.adaptee = adaptee;
  }
  public void mouseClicked(MouseEvent e) {
    adaptee.jButtonOk_mouseClicked(e);
  }
}