银行取款转账系统（Java编写）
这是用Java编写的一个简单的银行转账系统，包括取款，存款，转账等功能，其中用到了数据库的连接，采用Eclipse编写，包含数据库的设计文件。非常适合有一定基础的Java初学者使用。
package com.gujunjia.bank;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
import java.sql.*;
/**
*
* @author gujunjia
*/
public class DataBase
{
static Connection conn;
static PreparedStatement st;
static ResultSet rs;
/**
* 加载驱动
*/
public static void loadDriver()
{
try
{
Class.forName("com.mysql.jdbc.Driver");
}
catch (ClassNotFoundException e)
{
System.out.println("加载驱动失败");
}
}
/**
* 创建数据库的连接
*
* @param database
* 需要访问的数据库的名字
*/
public static void connectionDatabase(String database)
{
try
{
String url = "jdbc:mysql://localhost:3306/" + database;
String username = "root";
String password = "gujunjia";
conn = DriverManager.getConnection(url, username, password);
}
catch (SQLException e)
{
System.out.println(e.getMessage());
}
}
/**
* 关闭数据库连接
*/
public static void closeConnection()
{
if (rs != null)
{ // 关闭记录集
try
{
rs.close();
}
catch (SQLException e)
{
e.printStackTrace();
}
}
if (st != null)
{ // 关闭声明
try
{
st.close();
}
catch (SQLException e)
{
e.printStackTrace();
}
}
if (conn != null)
{ // 关闭连接对象
try
{
conn.close();
}
catch (SQLException e)
{
e.printStackTrace();
}
}
}
}
package com.gujunjia.bank;
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
/**
* 本类主要实现整个系统的界面
*
* @author gujunjia
*/
public class MainFrame extends JFrame implements ActionListener, FocusListener
{
/**
*
*/
private static final long serialVersionUID = 1L;
public static String userId;
JTextField userIdText;
JPasswordField passwordText;
JButton registerButton;
JButton logInButton;
public MainFrame()
{
super("个人银行系统
文件下载
资源详情
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评论信息
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xiexieni316 :谢谢分享，学习了2016-05-17 -
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kederukawa :不错，对java项目学习有用处2013-09-03
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yueqingabc123 :比较简单，但是看了后有所帮助2013-07-04
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压心底 :怎么运行报很多错误啊2013-07-03
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hxd1124 :虽然不是特别详细 但是一些东西还是帮助了我在做的过程中(・∀・)2012-12-26
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本站所有资源不代表本站的观点或立场，基于网友分享，根据中国法律《信息网络传播权保护条例》第二十二条之规定，若资源存在侵权或相关问题请联系本站客服人员，zhiweidada#qq.com，请把#换成@，本站将给予最大的支持与配合，做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明