(java毕业设计源码)基于java汽车租赁管理系统源码

(java毕业设计源码)基于java汽车租赁管理系统源码

基于java汽车租赁管理系统

项目获取请看文章最底下官网

汽车租赁管理系统是基于java编程语言和mysql数据库开发的管理系统，系统主要分为用户，营业门店，管理员三个角色，用户的主要功能是可以在线预定车辆，提交订单，支付订单，在线留言评价等功能；营业门店主要功能是管理出租的车辆信息，订单信息，对经营状态进行统计分析等；管理员则是对注册用户，营业门店，车辆信息，订单信息，留言等进行管理。本系统功能齐全，文档齐全，适合作为java毕业设计和java课程设计来参考和学习。

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一.技术环境

JDK版本：1.8
IDE工具：eclipse
数据库: mysql 5.6
编程语言: Java
tomcat: 8.0
详细技术：HTML+CSS+JS+JSP+JAVA+Servlet+MYSQL+javabean

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二.项目文件（项目获取请看文末官网）

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三.系统功能

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四.代码示例

package servlet.admin;import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;import  bean.Admin;
import  bean.PageBean;
import  bean.User;
import  dao.AdminDao;
import  dao.OrderDao;
import  dao.UserDao;
import  dao.impl.AdminDaoImpl;
import  dao.impl.OrderDaoImpl;
import  dao.impl.UserDaoImpl;import net.sf.json.JSONObject;/*** Servlet implementation class UserManageServlet*/
@WebServlet("/jsp/admin/UserManageServlet")
public class UserManageServlet extends HttpServlet {private static final long serialVersionUID = 1L;private static final String USERLIST_PATH="userManage/userList.jsp";//用户列表页面地址private static final String USERADD_PATH="userManage/userAdd.jsp";//用户增加页面地址private static final String USEREDIT_PATH="userManage/userEdit.jsp";//用户修改页面地址private static final String USERDETAIL_PATH="userManage/userDetail.jsp";//用户修改页面地址/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {doPost(request, response);}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String action=request.getParameter("action");if(action==null) {action="list";}switch(action){case "list":userList(request,response);break;case "add":userAdd(request,response);break;case "update":userUpdate(request,response);break;case "edit":userEdit(request,response);break;case "del":userDel(request,response);break;case "batDel":userBatDel(request,response);break;case "find":adminFind(request,response);break;case "detail":datail(request,response);break;case "seach":seachUser(request,response);}}private void seachUser(HttpServletRequest request, HttpServletResponse response)  throws ServletException, IOException {UserDao ud=new UserDaoImpl();int curPage=1;String page=request.getParameter("page");if(page!=null){curPage=Integer.parseInt(page);}//获取xml中设置的每页显示大小参数int maxSize=Integer.parseInt(request.getServletContext().getInitParameter("maxPageSize"));String username = request.getParameter("username");PageBean pageBean=null;if(username != null && username != "") {pageBean=new PageBean(curPage,maxSize,ud.cakeReadCount(username));request.setAttribute("userList", ud.userList(pageBean,username));}else {pageBean=new PageBean(curPage,maxSize,ud.cakeReadCount());request.setAttribute("userList", ud.userList(pageBean));}request.setAttribute("pageBean", pageBean);request.getRequestDispatcher(USERLIST_PATH).forward(request, response);}private void datail(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String id=request.getParameter("id");UserDao ud=new UserDaoImpl();request.setAttribute("userInfo",ud.findUser(Integer.valueOf(id)));//这里回去是User对象request.getRequestDispatcher(USERDETAIL_PATH).forward(request, response);}private void userBatDel(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String ids=request.getParameter("ids");UserDao ud=new UserDaoImpl();if(ud.batDelUser(ids)) {request.setAttribute("userMessage", "用户已批量删除");}else {request.setAttribute("userMessage", "用户批量删除失败");}//用户删除成功失败都跳转到用户列表页面userList(request, response);//通过servlet中listUser跳到用户列表}private void userDel(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int id=Integer.parseInt(request.getParameter("id"));UserDao ud=new UserDaoImpl();if(ud.delUser(id)) {request.setAttribute("userMessage", "用户已删除");}else {request.setAttribute("userMessage", "用户删除失败");}//用户删除成功失败都跳转到用户列表页面userList(request, response);//通过servlet中listUser跳到用户列表}private void userUpdate(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {User user=new User(Integer.parseInt(request.getParameter("userId")),request.getParameter("passWord"),request.getParameter("name"),request.getParameter("sex"),Integer.parseInt(request.getParameter("age")),request.getParameter("tell"),request.getParameter("address"),request.getParameter("enabled"));UserDao ud=new UserDaoImpl();if(ud.userUpdate(user)) {request.setAttribute("userMessage", "用户更新成功");userList(request, response);//通过servlet中listUser跳到用户列表}else {//更新失败跳转到修改页面request.setAttribute("userMessage", "用户更新失败");request.setAttribute("userInfo", ud.findUser(Integer.valueOf(user.getUserId())));//这里回去是Admin对象request.getRequestDispatcher(USEREDIT_PATH).forward(request, response);}}private void userEdit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String id=request.getParameter("id");UserDao ud=new UserDaoImpl();request.setAttribute("userInfo",ud.findUser(Integer.valueOf(id)));//这里回去是User对象request.getRequestDispatcher(USEREDIT_PATH).forward(request, response);}private void adminFind(HttpServletRequest request, HttpServletResponse response) throws IOException {String userName=request.getParameter("param");UserDao ud=new UserDaoImpl();JSONObject json=new JSONObject();if(ud.findUser(userName)){json.put("info", "用户名已存在");json.put("status", "n");}else{json.put("info", "用户名可以使用");json.put("status", "y");}response.getWriter().write(json.toString());}private void userAdd(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {UserDao ad=new UserDaoImpl();User user=new User(request.getParameter("userName"),request.getParameter("passWord"),request.getParameter("name"),request.getParameter("sex"),Integer.parseInt(request.getParameter("age")),request.getParameter("tell"),request.getParameter("address"));user.setEnabled("y");//默认添加的用户启用//添加之前判断用户名是否在库中存在if(new AdminDaoImpl().findUser(user.getUserName())){request.setAttribute("userMessage", "用户添加失败！用户名已存在");request.getRequestDispatcher(USERADD_PATH).forward(request, response);}else{//执行dao层添加操作if(ad.userAdd(user)){request.setAttribute("userMessage", "用户添加成功！");userList(request, response);//通过servlet中listUser跳到用户列表}else{request.setAttribute("userMessage", "用户添加失败！");request.getRequestDispatcher(USERADD_PATH).forward(request, response);}}}private void userList(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {UserDao ud=new UserDaoImpl();int curPage=1;String page=request.getParameter("page");if(page!=null){curPage=Integer.parseInt(page);}//获取xml中设置的每页显示大小参数int maxSize=Integer.parseInt(request.getServletContext().getInitParameter("maxPageSize"));PageBean pageBean=new PageBean(curPage,maxSize,ud.cakeReadCount());request.setAttribute("userList", ud.userList(pageBean));request.setAttribute("pageBean", pageBean);request.getRequestDispatcher(USERLIST_PATH).forward(request, response);}}

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五.项目截图