fetchpanel.java~9~

我从网上下的,好像还行,和大家分享一下,

package atm;

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2007</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class FetchPanel extends JPanel {
  MainFrame mainFrame;
  JLabel jLabel1 = new JLabel();
  JLabel jLabel2 = new JLabel();
  JTextField jTextField1 = new JTextField();
  JTextField jTextField2 = new JTextField();
  JButton jButton1 = new JButton();
  JButton jButton2 = new JButton();
  public FetchPanel(MainFrame m) {
    try {
      jbInit();
      mainFrame=m;
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }
  void jbInit() throws Exception {
    jLabel1.setFont(new java.awt.Font("Dialog", 1, 20));
    jLabel1.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel1.setHorizontalTextPosition(SwingConstants.CENTER);
    jLabel1.setText("卡号");
    jLabel1.setBounds(new Rectangle(36, 59, 70, 33));
    this.setLayout(null);
    this.setSize(400,300);
    jLabel2.setBounds(new Rectangle(34, 123, 70, 30));
    jLabel2.setText("取款");
    jLabel2.setHorizontalTextPosition(SwingConstants.CENTER);
    jLabel2.setHorizontalAlignment(SwingConstants.CENTER);
    jLabel2.setFont(new java.awt.Font("Dialog", 1, 20));
    jTextField1.setBackground(Color.lightGray);
    jTextField1.setFont(new java.awt.Font("Dialog", 0, 16));
    jTextField1.setEditable(false);
    jTextField1.setText(LoginFrame.ID);
    jTextField1.setBounds(new Rectangle(128, 59, 219, 31));
    jTextField2.setBounds(new Rectangle(127, 123, 219, 31));
    jTextField2.setText("");
    jTextField2.setBackground(Color.white);
    jTextField2.setFont(new java.awt.Font("Dialog", 0, 16));
    jButton1.setBounds(new Rectangle(94, 187, 83, 32));
    jButton1.setFont(new java.awt.Font("Dialog", 1, 20));
    jButton1.setText("确定");
    jButton1.addActionListener(new FetchPanel_jButton1_actionAdapter(this));
    jButton2.setText("重置");
    jButton2.setFont(new java.awt.Font("Dialog", 1, 20));
    jButton2.setBounds(new Rectangle(218, 187, 83, 32));
    this.add(jLabel2, null);
    this.add(jTextField2, null);
    this.add(jTextField1, null);
    this.add(jLabel1, null);
    this.add(jButton1, null);
    this.add(jButton2, null);
  }

  void jButton1_actionPerformed(ActionEvent e) {
    String str=jTextField2.getText().trim();
     int value=0;
     try{
       value=Integer.parseInt(str);
     }catch(Exception e2){
       JOptionPane.showMessageDialog(null,"对不起，取款失败，请重新输入","系统提示",1);
       return;
     }
     if(value>0&&LoginFrame.money-value>0){
       int nowMoney=LoginFrame.money-value;
       /**
        * 实例化数据库操作类,用于对数据库的操作
        */
       Database bean=new Database();
       /**
        * 打开数据库连接
        */
       try{
         bean.OpenConn();
       }catch(Exception ex){
         System.out.println("存款时数据库连接出错");
       }
       /**
        * 构建对表中密码的更新的SQL语句
        */
       String sql="update userInfo set userInfo.money= "+nowMoney+" where userInfo.ID ='"+LoginFrame.ID+"'";
       bean.executeUpdate(sql);
       LoginFrame.money=nowMoney;
       bean.closeStmt();
       bean.closeConn();
         MsgPanel msg = new MsgPanel("      取款成功\n"+"      取款金额："+value+"\n      当前余额为： "+nowMoney);
         mainFrame.remove(mainFrame.getContentPane());
         mainFrame.setContentPane(msg);
         mainFrame.show();
     }else if(value<0){
       JOptionPane.showMessageDialog(null,"取款金额不可以小于零","系统提示",1);
       return;
     }
     else if(LoginFrame.money-value<0){
       JOptionPane.showMessageDialog(null,"余额不足，取款失败","系统提示",1);
       return;
     }

  }
}

class FetchPanel_jButton1_actionAdapter implements java.awt.event.ActionListener {
  FetchPanel adaptee;

  FetchPanel_jButton1_actionAdapter(FetchPanel adaptee) {
    this.adaptee = adaptee;
  }
  public void actionPerformed(ActionEvent e) {
    adaptee.jButton1_actionPerformed(e);
  }
}