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转账系统(Java Web转账系统设计实例版)

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转账系统设计——Servlet技术JavaBean技术Jsp技术Java web 转账系统设计完整代码湘竹集美伊客1，登陆界面：login.jsp代码如下：<%@page language="java"import="java.util.*"pageEncoding="UTF-8"%> <%String path = request.getContextPath();String basePath =request.getScheme()+"://"+request.getServerName()+":"+request.getServ erPort()+path+"/";%><!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><base href="<%=basePath%>"><title>My JSP 'login.jsp' starting page</title><meta http-equiv="pragma"content="no-cache"><meta http-equiv="cache-control"content="no-cache"><meta http-equiv="expires"content="0"><meta http-equiv="keywords"content="keyword1,keyword2,keyword3"> <meta http-equiv="description"content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--></head><body bgcolor="FFD0"><form method="post"action="/Amount/amountlogin"><center><strong>欢迎进入账户登陆界面！</strong><br><br><br><img border="0"src="Photos/001111016a730d7e5f363f.jpg"width="366"height="439"><br><br>账户名：<input type="text"name="amountName"value=""/></br>&nbsp;密码：<input type="text"name="pwd"value=""/></br>&nbsp;&nbsp;&nbsp;<input type="submit"name="登陆"value="登陆"><input type="reset"name="取消"value="取消">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="amountAdd.jsp"title="注册"><input type="submit"value="注册"name="注册"><ahref="amountChange.jsp"title="转账"><input type="button"value="转账"name="转账"></a></a></center></form></body></html>2，注册界面amountAdd.jsp代码如下：<%@page language="java"import="java.util.*"pageEncoding="UTF-8"%> <%String path = request.getContextPath();String basePath =request.getScheme()+"://"+request.getServerName()+":"+request.getServ erPort()+path+"/";%><!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><base href="<%=basePath%>"><title>My JSP 'amountAdd.jsp' starting page</title><meta http-equiv="pragma"content="no-cache"><meta http-equiv="cache-control"content="no-cache"><meta http-equiv="expires"content="0"><meta http-equiv="keywords"content="keyword1,keyword2,keyword3"> <meta http-equiv="description"content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--></head><body><div align="center"style="background-color: rgb(255, 128, 0);"><br><strong>&nbsp;注册新账户界面</strong><br><br><form method="post"action="/Amount/servlet/amountAdd"name="注册"><hr width="100%"size="2"><img border="0"src="Photos/0019b90e16780d24c6f141.jpg"width="395"height="512"><br><br>账户名：<input type="text"name="amountName"><br>&nbsp;密码：<input type="text"name="pwd"><br>&nbsp;<input type="submit"value="注册"name="注册">&nbsp;<input type="reset"value="取消"name="取消">&nbsp;<a href="login.jsp"title="返回"><input type="button"value="返回" name="返回"></a><p>&nbsp;</p><p>&nbsp;</p></form><br></div></body></html>单击注册按钮单击添加账户资金：进入增加资金界面3增加资金界面amountMoneyAdd.jsp<%@page language="java"import="java.util.*"pageEncoding="UTF-8"%> <%String path = request.getContextPath();String basePath =request.getScheme()+"://"+request.getServerName()+":"+request.getServ erPort()+path+"/";%><!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><base href="<%=basePath%>"><title>My JSP 'amountMoneyAdd.jsp' starting page</title><meta http-equiv="pragma"content="no-cache"><meta http-equiv="cache-control"content="no-cache"><meta http-equiv="expires"content="0"><meta http-equiv="keywords"content="keyword1,keyword2,keyword3"> <meta http-equiv="description"content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--></head><body><div align="center"style="background-color: rgb(255, 128, 64);"><font color="#0000ff"><strong>增加资金界面<br><br></strong></font><hr width="100%"size="2"><font color="#0000ff"><strong><br></strong></font><form method="post"action="/Amount/servlet/amountMoneyAdd"name="增加资金"><a href="login.jsp"title="返回"><img border="0"src="Photos/f711a8d42d60ad33012d6de0f81900e8.jpg"width="408"height="390"></a>&nbsp;<br>&nbsp;&nbsp;账户名：<input type="text"name="amountName"/><br>&nbsp;增加资金：<input type="text"name="money"/><br>&nbsp;&nbsp;&nbsp;密码：<input type="text"name="pwd"/><br>&nbsp;<input type="submit"value="确定"name="确定"><input type="reset"value="取消"name="取消">&nbsp;<a href="login.jsp"title="返回登录界面"><input type="button"value="返回登录"name="返回登录"></a><p>&nbsp;</p><hr width="100%"size="2"><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p></form></div></body></html>再次注册新账户：如有再次注册则注册失败：添加资金20000：查询全部账户：核心业务转账功能：4 删除界面 amountDelete.jsp如果没有账户名，则删除失败！代码如下：<%@page language="java"import="java.util.*"pageEncoding="UTF-8"%> <%String path = request.getContextPath();String basePath =request.getScheme()+"://"+request.getServerName()+":"+request.getServ erPort()+path+"/";%><!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><base href="<%=basePath%>"><title>My JSP 'amountDelete.jsp' starting page</title><meta http-equiv="pragma"content="no-cache"><meta http-equiv="cache-control"content="no-cache"><meta http-equiv="expires"content="0"><meta http-equiv="keywords"content="keyword1,keyword2,keyword3"> <meta http-equiv="description"content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--></head><body><div align="center"style="background-color: rgb(255, 255, 128);"><font color="#ff00ff"><strong>账户</strong><strong>删除</strong><strong>界面</strong><br><br></font><form method="post"action="/Amount/servlet/amountDelete"name="删除账户"><hr width="100%"size="2"><img border="0"src="Photos/u=3223225884,348546293&amp;fm=52&amp;gp=0.jpg"width="316"height="386"><br><font color="#ff00ff"><br><strong>账户名</strong>：<input type="text"name="amountName"><br>&nbsp;<strong>密码</strong>：<input type="text"name="pwd"></font> <p><font color="#ff00ff">&nbsp;&nbsp;&nbsp;<input type="submit"name="确认"value="确认"><input type="reset" name="取消"value="取消"></font><a href="login.jsp"title="返回"><input type="button"value="返回登录"name="返回登录"></a></p><p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p></form><br></div></body></html>再次登录账户幽居望竹清风账户不存在：业务Servlet类如下：Login.Java 登录验证数据库核心类package servlet;import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession;import pojo.amount;import dao.amountDao;public class login extends HttpServlet {/*** The doGet method of the servlet. <br>** This method is called when a form has its tag value method equals to get.** @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {request.setCharacterEncoding("UTF-8");response.setCharacterEncoding("UTF-8");//没有设置编码的话，中文登陆不了response.setContentType("text/html");PrintWriter out = response.getWriter();StringamountName=request.getParameter("amountName");String amountPwd=request.getParameter("pwd");amount am=amountDao.login(amountName, amountPwd);if(am==null){response.sendRedirect("login.jsp");}else{HttpSession session=request.getSession();//得到一个会话session.setAttribute("amountName", amountName);//会话传递参数request.getRequestDispatcher("/servlet/amountData").forw ard(request, response); //页}}}amountAdd 账户增加核心业务类package servlet;import java.io.IOException;import java.io.PrintWriter;import java.util.ArrayList;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import pojo.amount;import dao.amountDao;public class amountAdd extends HttpServlet {/*** The doGet method of the servlet. <br>** This method is called when a form has its tag value method equals to get.** @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}/*** The doPost method of the servlet. <br>** This method is called when a form has its tag value method equals to post.** @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {request.setCharacterEncoding("UTF-8");response.setCharacterEncoding("UTF-8");response.setContentType("text/html");PrintWriter out = response.getWriter();StringamountName=request.getParameter("amountName");String pwd=request.getParameter("pwd");List<amount> amounts=new ArrayList<amount>();//查找账户名是否存在数据库中，存在则重新输入账户名amount am1=amountDao.login(amountName,pwd);//调用持久类中的方法amount am2=amountDao.login(amountName);/*System.out.print("amounts.get(1).getName()************ ***********"+amounts.get(0).getName());*/if(am1!=null||"".equals(amountName)||am2!=null){response.sendRedirect("../amountAddFailure.jsp");//重定向}else{/* amounts2.clear();*/amountDao.amountInsert(amountName, pwd);amounts=amountDao.getAmountData(amountName);}out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");out.println("<HTML>");out.println(" <HEAD><TITLE>账户数据界面</TITLE></HEAD>");out.println(" <BODY>");out.print("<center><table border='1'width='300'>");out.print("<h2>账户数据</h2>");out.print("<tr><td>账户名</td><td>金钱</td></tr>");for(amount am:amounts){out.print("<tr><td>"+am.getName()+"</td><td>"+am.getMone y()+"</td></tr>");}out.println("</table></center> </BODY>");out.print("<a href='/servlet/amountDelete'>删除</a><br> ");/* out.print("<a href='servlet/amountChange'>转账</a><br> ");*/out.print("<a href='../login.jsp'>返回登录界面</a><br> ");out.print("<a href='../amountChange.jsp'>转账界面</a><br> ");out.print("<ahref='../index.jsp'>index.jsp</a><br> ");out.print("<a href='../servlet/amountView'>查询全部账户</a><br> ");out.print("<a href='../amountDelete.jsp'>删除账户</a><br> ");out.print("<a href='../amountMoneyAdd.jsp'>增加账户资金</a><br> ");out.print("<a href='../amountAdd.jsp'>注册</a><br> ");out.println(" </BODY>");out.println("</HTML>");out.flush();out.close();}}amountChange 转账系统转账核心类package servlet;import java.io.IOException;import java.io.PrintWriter;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import pojo.amount;import dao.amountDao;public class amountChange extends HttpServlet {public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {String amountName=request.getParameter("amountName");StringaimAmountName=request.getParameter("aimAmountName");String amountMoney =request.getParameter("money");request.setCharacterEncoding("UTF-8");response.setCharacterEncoding("UTF-8");response.setContentType("text/html");PrintWriter out = response.getWriter();if(amountMoney.isEmpty()||amountName.isEmpty()||aimAmoun tName.isEmpty()){response.sendRedirect("../amountChange.jsp");}else{// List<amount>amounts=amountDao.amountChange(amountName, aimAmountName, amountMoney);/* List<amount>amounts1=amountDao.getAmountData(amountName);*/List<amount>amounts1=amountDao.getAmountData(amountName);out.print("转账前账户有资金：amounts1.get(0).getMoney()="+amounts1.get(0).getMoney());if(amounts1.get(0).getMoney()<=0){amountDao.amountChange(aimAmountName,amountName, amountMoney);//转账业务//转账业务out.print("账户"+amountName+"没有足够资金！不能转账！"); }else{amountDao.amountChange(amountName, aimAmountName, amountMoney);//转账业务}List<amount> amounts=amountDao.getAmountView();/*out.println("集合对象是否为空："+amounts.isEmpty());*/out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");out.println("<HTML>");out.println(" <HEAD><TITLE>账户数据界面</TITLE></HEAD>");out.println(" <BODY>");out.print("<center><table border='1' width='300'>");out.print("<h2>账户数据</h2>");out.print("<tr><td>账户名</td><td>金钱</td></tr>");for(amount am:amounts){//集合循环调用if(am.getMoney()<=0){am.setMoney(0);}out.print("<tr><td>"+am.getName()+"</td><td>"+am.getMone y()+"</td></tr>");}out.println("</table></center> </BODY>");out.print("<a href='../servlet/amountDelete'>删除</a><br> ");/* out.print("<a href='servlet/amountChange'>转账</a><br> ");*/out.print("<a href='../login.jsp'>返回登录界面</a><br> ");out.print("<a href='../amountChange.jsp'>转账界面</a><br> ");out.print("<a href='../index.jsp'>index.jsp</a><br> ");out.print("<a href='amountView'>查询全部账户</a><br> ");out.print("amountName"+amountName);out.print("aimAmountName"+aimAmountName);out.print("amountMoney="+amountMoney);out.println(" </BODY>");out.println("</HTML>");out.flush();out.close();}}}单账户数据显示类：amountData.Javapackage servlet;import java.io.IOException;import java.io.PrintWriter;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;import pojo.amount;import dao.amountDao;public class amountData extends HttpServlet {/*** The doGet method of the servlet. <br>** This method is called when a form has its tag value method equals to get.** @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}/*** The doPost method of the servlet. <br>** This method is called when a form has its tag value method equals to post.** @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {HttpSession session=request.getSession();//得到会话ID，会话Id是系统分配的唯一标识String amountName=(String)session.getAttribute("amountName");//必须强制转换字符型；if(amountName==null||"".equals(amountName)){ response.sendRedirect("index.jsp");//重定向登陆界面}else{/* amountName=amountName.substring(0,5); //*/List<amount>amounts=amountDao.getAmountData(amountName );//调用持久类中的方法request.setCharacterEncoding("UTF-8");response.setCharacterEncoding("UTF-8");response.setContentType("text/html");PrintWriter out = response.getWriter();/*out.println("集合对象是否为空："+amounts.isEmpty());*/out.println("<!DOCTYPE HTML PUBLIC\"-//W3C//DTD HTML 4.01 Transitional//EN\">");out.println("<HTML>");out.println(" <HEAD><TITLE>账户数据查询界面</TITLE></HEAD>");out.println(" <BODY>");out.print("<center><table border='1'width='300'>");out.print("<h2>账户数据</h2>");out.print("<tr><td>账户名</td><td>金钱</td></tr>");for(amount am:amounts){out.print("<tr><td>"+am.getName()+"</td><td>"+am.getMo ney()+"</td></tr>");}out.println("</table></center> </BODY>");/* out.print("<a href='servlet/amountDelete'>删除</a><br> ");*//* out.print("<a href='servlet/amountChange'>转账</a><br> ");*/out.print("<a href='login.jsp'>返回登录</a><br> ");out.print("<a href='amountChange.jsp'>转账</a><br> ");out.print("<a href='amountMoneyAdd.jsp'>添加账户资金</a><br> ");out.print("<a href='amountMoneDecrease.jsp'>删除账户资金</a><br> ");out.print("<a href='amountAdd.jsp'>添加账户</a><br> ");out.print("<a href='amountDelete.jsp'>删除账户</a><br> ");out.print("<a href='servlet/amountView'>查询全部账户</a><br> ");out.println(" </BODY>");out.println("</HTML>");out.flush();out.close();}}}账户删除类：amountDelete.javapackage servlet;import java.io.IOException;import java.io.PrintWriter;import java.util.ArrayList;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import pojo.amount;import dao.amountDao;public class amountDelete extends HttpServlet {/*** The doGet method of the servlet. <br>** This method is called when a form has its tag value method equals to get.** @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}/*** The doPost method of the servlet. <br>** This method is called when a form has its tag value method equals to post.** @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {StringamountName=request.getParameter("amountName");String pwd=request.getParameter("pwd");/* amount am=amountDao.login(amountName, pwd);*/ List<amount> amounts=new ArrayList<amount>();amount am1=amountDao.login(amountName, pwd);if(am1==null){response.sendRedirect("../amountDeleteFailure.jsp");}else{amountDao.amountDelete(amountName);amounts=amountDao.getAmountView();}response.setContentType("text/html");PrintWriter out = response.getWriter();out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");out.println("<HTML>");out.println(" <HEAD><TITLE>账户数据界面</TITLE></HEAD>");out.println(" <BODY>");out.print("<center><table border='1' width='300'>");out.print("<h2>账户数据</h2>");out.print("<tr><td>账户名</td><td>金钱</td></tr>");for(amount am:amounts){out.print("<tr><td>"+am.getName()+"</td><td>"+am.getMone y()+"</td></tr>");}out.println("</table></center> </BODY>");/* out.print("<a href='/servlet/amountDelete'>删除</a><br> ");*//* out.print("<a href='servlet/amountChange'>转账</a><br> ");*/out.print("<a href='../login.jsp'>返回登录界面</a><br> ");out.print("<a href='../amountChange.jsp'>转账界面</a><br> ");out.print("<a href='../amountAdd.jsp'>注册</a><br> ");out.print("<a href='../servlet/amountView'>查询全部账户</a><br> ");out.println(" </BODY>");out.println("</HTML>");out.flush();out.close();}}账户资金增加类：amountMoneyAdd.javapackage servlet;import java.io.IOException;import java.io.PrintWriter;import java.util.ArrayList;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import pojo.amount;import dao.amountDao;public class amountMoneyAdd extends HttpServlet {/*** The doGet method of the servlet. <br>** This method is called when a form has its tag value method equals to get.** @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}/*** The doPost method of the servlet. <br>** This method is called when a form has its tag value method equals to post.** @param request the request send by the client to the server* @param response the response send by the server to the client* @throws ServletException if an error occurred* @throws IOException if an error occurred*/public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {StringamountName=request.getParameter("amountName");String pwd=request.getParameter("pwd");String money=request.getParameter("money");。

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信息技术作业使用Java编写一个简单的银行账户管理系统

信息技术作业使用Java编写一个简单的银行账户管理系统

信息技术作业使用Java编写一个简单的银行账户管理系统银行账户是人们日常生活中经常使用的金融工具之一，而银行账户管理系统是银行进行账户管理和交易处理的重要工具。

在这篇文章中，我将利用Java编写一个简单的银行账户管理系统，以展示其基本功能和使用方法。

1. 系统设计在设计这个银行账户管理系统时，我们首先需要确定系统的基本功能。

在这个系统中，我们将实现以下功能：- 创建新的账户- 存款和取款- 查询账户余额- 转账功能2. 账户类的设计为了实现上述功能，我们需要创建一个账户类(Account)。

在该类中，我们需要定义账户的基本属性和方法。

以下是该类的基本设计：```javapublic class Account {private String accountNumber;private String customerName;private double balance;// 构造方法public Account(String accountNumber, String customerName, double balance) {this.accountNumber = accountNumber;this.customerName = customerName;this.balance = balance;}// 存款public void deposit(double amount) {balance += amount;}// 取款public void withdraw(double amount) {if (balance >= amount) {balance -= amount;} else {System.out.println("余额不足！");}}// 查询余额public double getBalance() {return balance;}// 转账public void transfer(Account targetAccount, double amount) {if (balance >= amount) {withdraw(amount);targetAccount.deposit(amount);} else {System.out.println("余额不足！");}}}```在这个类中，我们定义了账户的属性（账户号、客户姓名、余额）以及基本的操作方法（存款、取款、查询余额、转账）。

课程设计实训教学示例项目《网上银行账户管理系统》——应用适配器模式为DWR框架的客户端提供业务功能组件

课程设计实训教学示例项目《网上银行账户管理系统》——应用适配器模式为DWR框架的客户端提供业务功能组件

基于Struts+Spring+JDBC架构的课程设计实训教学示例项目——《网上银行账户管理系统》——应用适配器模式为DWR框架的客户端提供业务功能组件1.1.1利用适配器模式为DWR框架的客户端提供业务功能组件1、设计一个满足DWR需要的UserInfoManageDWRInterface接口（1）包名称为com.px1987.webbank.model.inter（2）设计该UserInfoManageDWRInterface接口package com.px1987.webbank.model.inter;import java.security.AccessControlException;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import javax.servlet.http.HttpSession;import com.px1987.webbank.exception.WebBankException;public interface UserInfoManageDWRInterface {public ArrayList<String> doGetAllRegisterUserNameInfo(String userName) throws WebBankException;public ArrayList<String> doGetAllAdminUserNameInfo(String userName) throws WebBankException;public boolean doCheckAdminUserNameExist(String userName) throws WebBankException;public boolean doCheckIDCardExist(String idCardValue, String accountID,HttpSession session) throws WebBankException;public boolean doCheckBalanceAmountValue(String balanceAmount, String accountID) throws WebBankException;public boolean doCheckUserPassWordExist(String userPassWord, String accountID) throws WebBankException;public boolean doCheckBalanceExist(String accountID) throws WebBankException;public HashMap<String,String> doGetAllCityNameInOneState(String stateName) throws WebBankException ;public int getOnLineUserCounter(); //在线用户总数public List<String> getOnLineUserNameList(); //在线用户名称列表public int getOnLineMemberUserNumber(); //在线会员用户总数}2、设计一个适配器类UserInfoManageDWRAdapter（1）类名称为UserInfoManageDWRAdapter，包名称为com.px1987.webbank.model.imple，并且实现上面的UserInfoManageDWRInterface接口（2）编程该适配器类UserInfoManageDWRAdapterpackage com.px1987.webbank.model.imple;import java.security.AccessControlException;import java.util.ArrayList;import java.util.HashMap;import java.util.Iterator;import java.util.List;import javax.servlet.http.HttpSession;import com.px1987.webbank.config.ClassNameConfig; import com.px1987.webbank.constant.WebBankAllConstants;import com.px1987.webbank.exception.WebBankException;import com.px1987.webbank.factory.AccountInfoManageFactory;import erDAOServiceFactory;import erInfoManageFactory;import com.px1987.webbank.model.inter.AccountInfoManageInterface;import erInfoManageDWRInterface;import erInfoManageInterface;import eFromVO;import erDAOServiceInterface;import com.px1987.webbank.util.MD5JavaBean;import com.px1987.webbank.util.OnLineCounter;public class UserInfoManageDWRAdapter implements UserInfoManageDWRInterface { UserInfoManageInterface oneUserInfoManageImple=null;String userInfoManageImpleClassName=null;UserDAOServiceInterface oneUserDAOServiceImple=null;String userDAOServiceImpleClassName=null;AccountInfoManageInterface oneAccountInfoManageImple=null;String accountInfoManageImpleClassName=null;public UserInfoManageDWRAdapter() throws WebBankException{userInfoManageImpleClassName=ClassNameConfig.getProperty("userInfoManageImple.className");oneUserInfoManageImple=new UserInfoManageFactory().newUserInfoManageBean(userInfoManageImpleClassName);userDAOServiceImpleClassName=ClassNameConfig.getProperty("userDAOServiceImple.className");oneUserDAOServiceImple=new UserDAOServiceFactory().newUserDAOServiceBean(userDAOServiceImpleClassName);accountInfoManageImpleClassName=ClassNameConfig.getProperty("accountInfoManageImple.className");oneAccountInfoManageImple=new AccountInfoManageFactory().newAccountInfoManageBean(accountInfoManageImpleClassName);}public ArrayList<String> doGetAllRegisterUserNameInfo(String userName) throws WebBankException {return (ArrayList)oneUserInfoManageImple.doGetAllUserNameInfo(userName, new Integer(erType_RegisterUser));}public ArrayList<String> doGetAllAdminUserNameInfo(String userName) throws WebBankException{return (ArrayList)oneUserInfoManageImple.doGetAllUserNameInfo(userName,new Integer(erType_AdminUser));}public boolean doCheckAdminUserNameExist(String userName) throws WebBankException{return oneUserInfoManageImple.doCheckUserNameExist(userName,new Integer(erType_AdminUser));}// **********下面为对AccountInfoManageImple类中的方法进行适配************** public boolean doCheckIDCardExist(String idCardValue, String accountID,HttpSession session) throws AccessControlException,WebBankException{ Object userInfoObject=session.getAttribute("oneUserInfoVO");if(userInfoObject==null){throw new AccessControlException("您没有进行有效的系统登陆！因此，无法进行本功能的访问操作！");}return oneAccountInfoManageImple.doCheckIDCardExist(idCardValue,accountID);}public boolean doCheckBalanceAmountValue(String balanceAmount, String accountID) throws WebBankException{float balanceAmountValue=Float.parseFloat(balanceAmount);return oneAccountInfoManageImple.doCheckBalanceAmountValue(balanceAmountValue,accountID);}public boolean doCheckUserPassWordExist(String userPassWord, String accountID) throws WebBankException{return oneAccountInfoManageImple.doCheckUserPassWordExist(new MD5JavaBean().getkeyBeanofStr(userPassWord), accountID);}public boolean doCheckBalanceExist(String accountID) throwsWebBankException{ return oneAccountInfoManageImple.doCheckBalanceExist(accountID);}//**************下面为对OnLineCounter类中的三个方法进行适配************** public int getOnLineUserCounter(){ //在线用户总数return OnLineCounter.getOnLine();}public List<String> getOnLineUserNameList(){ //在线用户名称列表return OnLineCounter.getOnLineUserNameList();}public int getOnLineMemberUserNumber(){ //在线会员用户总数return OnLineCounter.getOnLineMemberUserNumber();}// *****************下面为根据省名称获得对应的城市名称****************** public HashMap<String,String> doGetAllCityNameInOneState(String stateName) throws WebBankException {HashMap allCityNameInOneState=new HashMap();List allCityNamesInOneState=oneUserDAOServiceImple.selectAllCityNameInOneState(stateName);Iterator allItems=allCityNamesInOneState.iterator();while(allItems.hasNext()){ComeFromVO oneComeFromVO=(ComeFromVO)allItems.next();allCityNameInOneState.put(oneComeFromVO.getCityName(),oneComeFromVO.getCityName());}return allCityNameInOneState;}}。

银行帐户管理系统-Java课程设计

银行帐户管理系统-Java课程设计

银行帐户管理系统 - Java课程设计一、需求分析1.1 项目背景随着现代经济的发展，银行业作为金融体系的重要组成部分，其业务也日渐多元化，保障着人们的生活和经济发展。

在这样的大背景下，为了提高银行业务的效率和用户体验，需要开发一个基于Java的银行帐户管理系统。

1.2 功能要求银行帐户管理系统需要实现的功能包括：用户注册、登录、修改密码、查看帐户信息、存款、取款、转账等。

此外，还需要实现管理员的相关操作，如：添加、删除、修改用户信息，查询用户信息等。

1.3 技术选型本系统采用Java作为主要开发语言，后端采用Spring Boot框架，前端采用Bootstrap框架进行开发。

数据库采用MySQL存储。

二、设计方案2.1 数据库设计本系统的数据库包括两张表：用户表和账户表。

其中，用户表主要存储用户的基本信息，包括用户名、密码、手机号等；账户表主要存储账户的信息，包括账户号、账户名、余额等。

2.2 功能实现本系统的主要功能实现如下：2.2.1 用户注册用户可以通过填写基本信息、手机号码等注册银行帐户。

2.2.2 用户登录已注册用户可以通过输入用户名和密码进行登录。

2.2.2 修改密码已登录用户可以通过输入旧密码和新密码来修改密码。

2.2.3 查看帐户信息已登录用户可以查看自己的帐户信息，包括账户号、账户名、余额等。

2.2.4 存款操作已登录用户可以进行存款操作，输入存款金额后更新账户余额。

2.2.5 取款操作已登录用户可以进行取款操作，输入取款金额后更新账户余额。

2.2.6 转账操作已登录用户可以进行转账操作，输入对方账户号和转账金额后更新双方账户余额。

2.2.7 管理员操作管理员可以进行添加、删除、修改用户信息等操作。

三、系统架构银行帐户管理系统的系统架构如下图所示：Figure 1. 银行帐户管理系统架构图主要包括：客户端、服务器端、数据库。

客户端：提供基本的用户操作界面，用户可以通过客户端进行登录、注册等操作。

银行帐户管理系统 Java课程设计

银行帐户管理系统 Java课程设计

课程设计For personal use only in study and research; not for commercial useFor personal use only in study and research; not for commercial use课程设计名称：java课程设计专业班级：计科09级05班学生姓名：刘品训学号：0507指导教师：王社伟课程设计时间：计算机科学与技术专业课程设计任务书银行帐户管理系统一、需求分析银行账户管理系统中，主要有以下功能：1.添加账户：主要增加账户的账号，姓名，以及所存的金额。

2.删除账户：根据输入的账号，删除该账户的信息。

3.修改账户信息：根据输入的账号，修改账户的信息。

4.查询账户信息：根据输入的账号，查询并显示出该账户的相关信息。

5.浏览：浏览数据库中的各个账户的信息。

6.存款：输入账号，并向该账号存钱，同时并记录下来。

7.贷款：输入账号和贷款单号向该账户贷款，并记录下来。

8.还钱：输入账号和贷款单号付贷款钱，同时并显示还有多少贷款未付。

二、概要设计课程设计模块图：系统流程图：三、运行环境、开发语言1:Windows xp,DOS,Microsoft SQL Server 2005;2:Java，SQL Server。

四、详细设计1 程序清单表1 程序清单2 主要代码2.1建立Bank公共类，并连接数据库import java.sql.*;import java.util.*;import javax.swing.*;public class Bank{public static String driverName = ""; //加载JDBC驱动public static String dbURL = "jdbc:; DatabaseName=银行管理系统"; //连接服务器和数据库public static String userName = "liu"; //默认用户名public static String userPwd = "518888k"; //密码public static Connection dbconn;static boolean m = true;static int N;private static Scanner scanner = new Scanner(System.in);｝2.2主函数银行账户管理系统主界面public static void main(String[] srg) throws Exception{while(m){"---------------银行账户管理系统---------------");" 1：添加账户2：删除账户");" 3：修改账户信息4：查询账户信息");" 5：浏览6：存款");" 7：贷款8：还钱");" 9：退出");"-------------请输入您要进行的服务---------");N=scanner.nextInt();switch(N){case 1:insert();break;case 2:del();break;case 3:update();break;case 4:serch();break;case 5:liulan();break;case 6:cunkuan();break;case 7:daikuan();break;case 8:huanqian();break;case 9: m =false;break;default:"请在1--9之间选择");}}}2.3添加账户功能public static void insert() throws Exception{try{Class.forName(driverName);//载入驱动dbconn = DriverManager.getConnection(dbURL,userName,userPwd);//连接数据库String num=null,name=null;int jine=0;"请输入您要添加的数据");"账号");num = scanner.next();"姓名");name = scanner.next();"金额");jine= scanner.nextInt();String sql = "insert into 账户信息(账号,姓名,金额) values('"+ num +"','"+ name +"','"+ jine +"')";//向表中插入信息"信息已插入！");Statement stmt = dbconn.createStatement();stmt.executeUpdate(sql);stmt.close();}catch(Exception e){}m = true;}2.4删除账户public static void del()throws Exception{try{String num=null,name=null ;int jine=0;String a = null;Class.forName(driverName);//载入驱动dbconn = DriverManager.getConnection(dbURL,userName,userPwd);//连接数据库"---删除账户---");String sql1 = "select * from 账户信息";"请输入您要删的账号");Statement stmt1 = dbconn.createStatement();ResultSet rs = stmt1.executeQuery(sql1);num = scanner.next();int flag=0;while(!num.equals("0")){while(rs.next()){a = null;a = rs.getString("账号");if(num.equals(a)){flag=1;break;}}if(flag==1){String sql2 = "delete 账户信息where 账号= '"+ num + "'";Statement stmt2 = dbconn.createStatement();stmt2.executeUpdate(sql2);stmt2.close();"数据已删除！");break;}else{"您输入的账号错误或者不存在，请重新输入：");num = scanner.next();rs = stmt1.executeQuery(sql1);}}rs.close();stmt1.close();}catch (Exception e){}m= true;}2.5修改账户信息public static void update() throws Exception{try{String num=null,name=null ;int jine=0;String a = null;Class.forName(driverName);//载入驱动dbconn = DriverManager.getConnection(dbURL,userName,userPwd);//连接数据库"请输入您要修改账号：");String sql1 = "select * from 账户信息";Statement stmt1 = dbconn.createStatement();ResultSet rs = stmt1.executeQuery(sql1);num = scanner.next();int flag=0;while(!num.equals("0")){while(rs.next()){a = null;a = rs.getString("账号");if( num.equals(a)){"请输入您更改的姓名：");name = scanner.next();"请输入您更改的金额");jine = scanner.nextInt();flag=1;break;}}if(flag==1)break;else{"您输入的账号错误或者不存在，请重新输入：");num = scanner.next();rs = stmt1.executeQuery(sql1);}}rs.close();stmt1.close();String sql2 = "update 账户信息set 姓名= '"+ name +"' where 账号= '"+ num +"'update 账户信息set 金额= '"+ jine +"' where 账号= '"+ num +"'";Statement stmt = dbconn.createStatement();"数据已更改");stmt.executeUpdate(sql2);stmt.close();}catch (Exception e){}m = true;}2.6查询账户信息public static void serch()throws Exception{try{String num= null,name = null ;int jine=0;String a=null;Class.forName(driverName);//载入驱动dbconn = DriverManager.getConnection(dbURL,userName,userPwd);//连接数据库"---按账号查询---");"请输入账号");String sql1 = "select * from 账户信息";Statement stmt1 = dbconn.createStatement();ResultSet rs1 = stmt1.executeQuery(sql1);num = scanner.next();int flag=0;while(!num.equals("0")){while(rs1.next()){a = null;a = rs1.getString("账号");if(num.equals(a)){flag = 1;break;}}if(flag == 1){name = rs1.getString("姓名");jine = rs1.getInt("金额");break;}else{"您输入的账号错误或者不存在，请重新输入：");num = scanner.next();rs1 = stmt1.executeQuery(sql1);}}"账号姓名金额");"%s %s %s %n",num,name,jine);m = true;}catch (Exception e){}}2.7浏览全部账户信息public static void liulan()throws Exception{try{Class.forName(driverName);//载入驱动dbconn = DriverManager.getConnection(dbURL,userName,userPwd);//连接数据库String sql = "select * from 账户信息";Statement stmt = dbconn.createStatement();ResultSet rs = stmt.executeQuery(sql);"账号姓名金额");while(rs.next()){String num = rs.getString("账号");String name = rs.getString("姓名");int jine = rs.getInt("金额");"%s %s %s %n",num,name,jine);}rs.close();stmt.close();}catch (Exception e){}m = true;}2.8存款public static void cunkuan()throws Exception{try{Class.forName(driverName);//载入驱动dbconn = DriverManager.getConnection(dbURL,userName,userPwd);//连接数据库"请输入账号");String num=scanner.next();String Cundate=null;String sql1 = "select * from 账户信息";Statement stmt = dbconn.createStatement();ResultSet rs = stmt.executeQuery(sql1);int flag=0;int jine=0,jine1=0,jine2=0;while(!num.equals("0")){while(rs.next()){String a = null;a = rs.getString("账号");if( num.equals(a)){flag=1;break;}}if(flag==1){"请输入要存入的金额");jine1 = scanner.nextInt();"请输入存款的日期");Cundate =scanner.next();String sql2 = "insert into 存款(账号,存钱金额,存钱日期) values('"+ num +"','"+ jine1 +"','"+ Cundate +"')";jine2=rs.getInt("金额");jine=jine1+jine2;String sql3 = "update 账户信息set 金额= '"+ jine +"' where 账号= '"+ num +"'";"存款成功");stmt.executeUpdate(sql2);stmt.executeUpdate(sql3);break;else{"您输入的账号错误或者不存在，请重新输入：");num = scanner.next();rs = stmt.executeQuery(sql1);}}rs.close();stmt.close();}catch (Exception e){}m = true;}2.9贷款public static void daikuan()throws Exception{try{Class.forName(driverName);//载入驱动dbconn = DriverManager.getConnection(dbURL,userName,userPwd);//连接数据库String sql1 = "select * from 账户信息";Statement stmt1 = dbconn.createStatement();ResultSet rs = stmt1.executeQuery(sql1);String num=null,dainum=null,daidate=null;int daijine=0;"请输入您的账号");"账号");num = scanner.next();int flag=0;while(!num.equals("0")){while(rs.next()){String a = null;a = rs.getString("账号");if(num.equals(a)){flag = 1;break;}}if(flag == 1)"请输入您的贷款单号");dainum = scanner.next();"请输入您要贷的金额");daijine= scanner.nextInt();"请输入您贷款的日期");daidate=scanner.next();String sql = "insert into 贷款(账号,贷款单号,贷款金额,贷款日期) values('"+ num +"','"+ dainum +"','"+ daijine +"','"+ daidate +"')";"贷款成功！");Statement stmt = dbconn.createStatement();stmt.executeUpdate(sql);stmt.close();break;}else{"您输入的账号错误或者不存在，请重新输入：");num = scanner.next();rs = stmt1.executeQuery(sql1);}}}catch(Exception e){}m = true;}2.10还钱public static void huanqian()throws Exception{try{Class.forName(driverName);//载入驱动dbconn = DriverManager.getConnection(dbURL,userName,userPwd);//连接数据库String sql1 = "select * from 账户信息";String sql2 = "select * from 贷款";//String sql3 = "select * from 贷款";Statement stmt1 = dbconn.createStatement();Statement stmt2 = dbconn.createStatement();ResultSet rs1 = stmt1.executeQuery(sql1);ResultSet rs2 = stmt2.executeQuery(sql2);//ResultSet rs3 = stmt.executeQuery(sql3);String num=null,dainum=null,huandate=null;int huanjine=0;"请输入您的账号");"账号");num = scanner.next();int flag=0;int b=0;while(!num.equals("0")){while(rs1.next()){String a = null;a = rs1.getString("账号");if(num.equals(a)){flag = 1;break;}}if(flag == 1){"请输入您的贷款单号");dainum = scanner.next();while(!dainum.equals("0")){//String c= null;//c = rs2.getString("贷款单号");//int d=0;//d=rs2.getInt("贷款金额");//int g=0;//g=rs1.getInt("金额");while(rs2.next()){//"aaa");String c= null;c = rs2.getString("贷款单号");//"%s %n",c);if(dainum.equals(c)){b = 1;break;}}if(b == 1){"请输入您要还的金额");huanjine= scanner.nextInt();"请输入您还钱的日期");huandate= scanner.next();String sql4 = "insert into 还钱(账号,贷款单号,还钱金额,还钱日期) values('"+ num +"','"+ dainum +"','"+ huanjine +"','"+ huandate +"')";"还钱成功！");int d=0;d=rs2.getInt("贷款金额");int e=0;e=d-huanjine;String sql6 = "update 贷款set 贷款金额= '"+ e +"' where 账号= '"+ num +"'";stmt2.executeUpdate(sql6);if(e>=0){"您还有" + e+ "未付");}else{ int f=0;f=0-e;"您多支付了"+f+"多支付的金额已存入您的账户");int g=0;g=rs1.getInt("金额");int h=0;h=f+g;String sql5 = "update 账户信息set 金额= '"+ h +"' where 账号= '"+ num +"'";stmt1.executeUpdate(sql5);}stmt2.executeUpdate(sql4);break;}else{"您输入的贷款单号错误或者不存在，请重新输入：");dainum = scanner.next();rs2 = stmt2.executeQuery(sql2);}}}else{"您输入的账号错误或者不存在，请重新输入：");num = scanner.next();rs1 = stmt1.executeQuery(sql1);}}}catch(Exception e){}m = true;}五、调试与分析问题1：遇到的第一个问题是如何用java连接数据库，根据查资料以及问同学才学会；问题2：是在写还钱这一模块，用了4重循环，无法同步实现账号和贷款单号的同步判定，经过自己仔细的调试，才发现问题，用不同的表进行逐步循环才解决问题；问题3：在贷款和还钱这一模块，在还钱的时候，忘记设置贷款表内的数据与还钱要同步。