基于servlet+jsp+jdbc的后台管理系统,包含5个模块:汽车账户部管理、租车账户部管理、汽车信息管理表、租车记录表、租车租聘表。功能完整,均能实现增删查改。
运行环境:
jdk8+tomcat8.5+mysql5.7+Eclipse
项目技术:
servlet+jsp+jdbc+easyui+jquery
适用
课程设计,大作业,毕业设计,项目练习,学习演示等
Collections.sort(c.getProducts(), new ProductReviewComparator());
break;
case "date":
Collections.sort(c.getProducts(), new ProductDateComparator());
break;
case "saleCount":
Collections.sort(c.getProducts(), new ProductSaleCountComparator());
break;
case "price":
Collections.sort(c.getProducts(), new ProductPriceComparator());
break;
case "all":
Collections.sort(c.getProducts(), new ProductAllComparator());
break;
}
}
// 排序完成后,将分类对象添加到域对象 request 中
request.setAttribute("c", c);
return "category.jsp";
}
/**
// 判断用户名是否存在
boolean exist = userDAO.isExists(name);
if (exist) {
request.setAttribute("msg", "用户名已经被使用");
return "register.jsp";
}
User user = new User();
user.setName(name);
user.setPassword(password);
System.out.println(user.getName());
System.out.println(user.getPassword());
userDAO.add(user);
return "@registerSuccess.jsp";
}
/**
* 登录
*
* @param request
* @param response
* @param page
* @return
*/
public String login(HttpServletRequest request, HttpServletResponse response, Page page) {
System.out.println("调用了 ForeServlet login方法");
Map<String, String> params = new HashMap<>();
InputStream inputStream = super.parseUpload(request, params);
/**
* 立即购买
*
* @param request
* @param response
* @param page
* @return
*/
public String buyone(HttpServletRequest request, HttpServletResponse response, Page page) {
System.out.println("调用了ForeServlet buyone方法");
int pid = Integer.parseInt(request.getParameter("pid"));
int num = Integer.parseInt(request.getParameter("num"));
Product p = productDAO.get(pid);
User user = (User) request.getSession().getAttribute("user");
List<OrderItem> ois = orderItemDAO.listByUser(user.getId());
int oiid = 0;
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
DOCTYPE html>
<html>
<head>
<title>用户登录title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<link type="text/css" rel="stylesheet" href="<%=request.getContextPath()%>/css/bootstrap.css">
<link type="text/css" rel="stylesheet" href="<%=request.getContextPath()%>/css/style.css">
<script type="text/javascript" src="<%=request.getContextPath()%>/js/jquery.min.js">script>
<script type="text/javascript" src="<%=request.getContextPath()%>/js/bootstrap.min.js">script>
<script type="text/javascript" src="<%=request.getContextPath()%>/js/simpleCart.min.js">script>
head>
<body>
<jsp:include page="header.jsp">
<jsp:param name="flag" value="9">jsp:param>
jsp:include>
}
/**
* 加入购物车
*
* @param request
* @param response
* @param page
* @return
*/
public String addCart(HttpServletRequest request, HttpServletResponse response, Page page) {
System.out.println("调用了ForeServlet addCart方法");
int pid = Integer.parseInt(request.getParameter("pid"));
int num = Integer.parseInt(request.getParameter("num"));
Product p = productDAO.get(pid);
User user = (User) request.getSession().getAttribute("user");
List<OrderItem> ois = orderItemDAO.listByUser(user.getId());
int oiid = 0;
boolean found = false;
// 遍历订单,如果订单已存在对应的产品,就在对应购物车的基础上调整数量
if (null != ois) {
for (OrderItem oi : ois) {
if (oi.getProduct().getId() == p.getId()) {
oi.setNumber(oi.getNumber() + num);
orderItemDAO.update(oi);
found = true;
oiid = oi.getId();
break;
int pid = Integer.parseInt(request.getParameter("pid"));
Product p = productDAO.get(pid);
// 获取产品的single图片和detail图片
List<ProductImage> productSingleImages = productImageDAO.list(p, ProductImageDAO.type_single);
List<ProductImage> productDetailImages = productImageDAO.list(p, ProductImageDAO.type_detail);
p.setProductSingleImages(productSingleImages);
p.setProductDetailImages(productDetailImages);
//p.setFirstProductImage(productSingleImages.get(0));
// 获取产品属性信息
List<PropertyValue> pvs = propertyValueDAO.list(p.getId());
// 获取产品评价信息
List<Review> reviews = reviewDAO.list(p.getId());
// 设置产品销量数和评价数
productDAO.setSaleAndReviewNumber(p);
request.setAttribute("p", p);
request.setAttribute("pvs", pvs);
* @param request
* @param response
* @param page
* @return
*/
public String loginAjax(HttpServletRequest request, HttpServletResponse response, Page page) {
String name = request.getParameter("name");
String password = request.getParameter("password");
User user = userDAO.get(name, password);
if (user == null)
return "%fail";
request.getSession().setAttribute("user", user);
return "%success";
}
/**
* 显示产品页
*
* @param request
* @param response
* @param page
* @return
*/
public String product(HttpServletRequest request, HttpServletResponse response, Page page) {
System.out.println("调用了 ForeServlet product方法");
int pid = Integer.parseInt(request.getParameter("pid"));
int cid = Integer.parseInt(request.getParameter("cid"));
// 获取分类对象并为填充产品对象、销量、评价
Category c = new CategoryDAO().get(cid);
new ProductDAO().fill(c);
new ProductDAO().setSaleAndReviewNumber(c.getProducts());
// 根据获取的排序方式进行排序
String sort = request.getParameter("sort");
if (null != sort) {
switch (sort) {
case "review":
Collections.sort(c.getProducts(), new ProductReviewComparator());
break;
case "date":
Collections.sort(c.getProducts(), new ProductDateComparator());
break;
case "saleCount":
Collections.sort(c.getProducts(), new ProductSaleCountComparator());
*
* @param request
* @param response
* @param page
* @return
*/
public String product(HttpServletRequest request, HttpServletResponse response, Page page) {
System.out.println("调用了 ForeServlet product方法");
int pid = Integer.parseInt(request.getParameter("pid"));
Product p = productDAO.get(pid);
// 获取产品的single图片和detail图片
List<ProductImage> productSingleImages = productImageDAO.list(p, ProductImageDAO.type_single);
List<ProductImage> productDetailImages = productImageDAO.list(p, ProductImageDAO.type_detail);
p.setProductSingleImages(productSingleImages);
p.setProductDetailImages(productDetailImages);
//p.setFirstProductImage(productSingleImages.get(0));
// 获取产品属性信息
List<PropertyValue> pvs = propertyValueDAO.list(p.getId());
// 获取产品评价信息
List<Review> reviews = reviewDAO.list(p.getId());
// 设置产品销量数和评价数
productDAO.setSaleAndReviewNumber(p);
request.setAttribute("p", p);
request.setAttribute("pvs", pvs);
public String alipay(HttpServletRequest request, HttpServletResponse response, Page page) {
System.out.println("调用了ForeServlet alipay方法");
return "alipay.jsp";
}
/**
* 支付完成界面
* @param request
* @param response
* @param page
* @return
*/
public String payed(HttpServletRequest request, HttpServletResponse response, Page page) {
System.out.println("调用了ForeServlet payed方法");
int oid = Integer.parseInt(request.getParameter("oid"));
Order order = orderDAO.get(oid);
order.setStatus(OrderDAO.waitDelivery);
order.setPayDate(new Date());
orderDAO.update(order);
request.setAttribute("o", order);
return "payed.jsp";
}
/**
* 我的订单页面