基于javaweb的网上商城系统(java+jsp+servlert+mysql+ajax)

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

基于javaweb+jsp的网上商城系统(java+jsp+servlet+mysql+ajax)

一、项目简述（+需求文档+PPT）

功能： 主页显示热销商品；所有商品展示，可进行商品搜索；点 击商品进入商品详情页，显示库存，具有立即购买和加入 购物车功能，可增减购买商品数量亦可手动输入（同时验证 库存），热销商品展示。立即购买进入确认订单页面，可选 择已经添加的地址，亦可新增地址。（同时验证库存），可 选择购买哪些商品，可删除不需要的商品。点击结算进入 确认订单页面，确认后提交订单，订单重复提交给予响 应，库存不足或商品下架给予响应。后台管理：（修改密码 等），商品管理（商品批量添加、上下架、库存维护等）， 订单管理。

二、项目运行

环境配置： Jdk1.8 + Tomcat8.5 + mysql + Eclispe （ IntelliJ IDEA,Eclispe,MyEclispe,Sts 都支持）

项目技术： JSP + C3P0+ Servlert + html+ css + JavaScript + JQuery + Ajax + Fileupload等等。

用户服务类：

@WebServlet(“/frontstage_userServlet”)

public class UserServlet extends HttpServlet {

UserService service = new UserService();

@Override

protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

String action = req.getParameter(“action”);

switch (action) {

case “login”:

login(req, resp);

break;

case “checkUserNameRepeat”:

checkUserNameRepeat(req, resp);

break;

case “register”:

register(req, resp);

break;

case “logout”:

logout(req, resp);

break;

case “checkOldPassword”:

checkOldPassword(req, resp);

break;

case “modifyPassword”:

modifyPassword(req, resp);

break;

public void login(HttpServletRequest req, HttpServletResponse resp) throws IOException {

//设置请求编码格式:

req.setCharacterEncoding(“utf-8”);

//设置响应编码格式

resp.setContentType(“text/html;charset=utf-8”);

String userName = req.getParameter(“userName”);

String password = req.getParameter(“password”);

String captcha = req.getParameter(“captcha”);

if (captcha != null) {

captcha = captcha.toUpperCase();

// 先进行验证码验证

String checkcode = (String) req.getSession().getAttribute(“checkcode_session”);

try {

// 将用户输入的验证码和 系统验证对比

if (checkcode.equals(captcha)) {

User user = service.getUserByNameAndPassword(userName, password);

if (user != null) {

HttpSession session = req.getSession();

session.setAttribute(“user”, user);

JSONResult ok = JSONResult.ok();

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

} else {

// 将错误信息封装在结果集中

JSONResult result = JSONResult.errorMsg(“用户名或密码错误，请重试”);

// 以json的形式返回给前端

resp.getWriter().println(JsonUtil.javaObjectToJson(result));

} else {

// 将错误信息封装在结果集中

JSONResult result = JSONResult.errorMsg(“验证码输入错误，请重试”);

// 以json的形式返回给前端

resp.getWriter().println(JsonUtil.javaObjectToJson(result));

} catch (Exception e) {

e.printStackTrace();

/**

• 用户名重名检测

• @param req

• @param resp

*/

public void checkUserNameRepeat(HttpServletRequest req, HttpServletResponse resp) {

String userName = req.getParameter(“userName”);

if (userName != null) {

int d = service.checkUserNameRepeat(userName);

try {

if (d > 0) {

JSONResult error = JSONResult.errorMsg(“”);

resp.getWriter().println(JsonUtil.javaObjectToJson(error));

} else {

JSONResult ok = JSONResult.ok();

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

} catch (Exception e) {

e.printStackTrace();

/**

• 用户注册

• @param req

• @param resp

• @throws IOException

*/

public void register(HttpServletRequest req, HttpServletResponse resp) throws IOException {

//设置请求编码格式:

req.setCharacterEncoding(“utf-8”);

//设置响应编码格式

resp.setContentType(“text/html;charset=utf-8”);

User user = new User();

user.setUserName(req.getParameter(“userName”));

user.setPassword(req.getParameter(“password”));

user.setEmail(req.getParameter(“email”));

user.setPhone(req.getParameter(“phoneNum”));

user.setRole(“ordinaryUser”);

int d = service.addUser(user);

try {

if (d > 0) {

JSONResult ok = JSONResult.ok();

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

} else {

JSONResult error = JSONResult.errorMsg(“注册失败”);

resp.getWriter().println(JsonUtil.javaObjectToJson(error));

} catch (Exception e) {

e.printStackTrace();

/**

• 退出登录

*/

public void logout(HttpServletRequest req, HttpServletResponse resp) {

req.getSession().removeAttribute(“user”);

try {

resp.sendRedirect(“index.jsp”);

} catch (IOException e) {

e.printStackTrace();

/**

• 检查旧密码是否正确 ，在修改密码操作时使用

• @throws IOException

*/

public void checkOldPassword(HttpServletRequest req, HttpServletResponse resp) throws IOException {

//设置请求编码格式:

req.setCharacterEncoding(“utf-8”);

//设置响应编码格式

resp.setContentType(“text/html;charset=utf-8”);

User user = (User) req.getSession().getAttribute(“user”);

String oldPassword = service.getPasswordById(user.getId());

System.out.println(“旧密码：”+oldPassword);

String password = req.getParameter(“password”);

System.out.println(“旧密码验证：”+password);

try {

if (!oldPassword.equals(password)) {

JSONResult errorMsg = JSONResult.errorMsg(“原始密码错误，请重新输入”);

resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));

} else {

JSONResult ok = JSONResult.ok();

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

} catch (IOException e) {

e.printStackTrace();

/**

• 修改密码

• @throws IOException

*/

public void modifyPassword(HttpServletRequest req, HttpServletResponse resp) throws IOException {

//设置请求编码格式:

req.setCharacterEncoding(“utf-8”);

//设置响应编码格式

resp.setContentType(“text/html;charset=utf-8”);

String password = req.getParameter(“newPassword”);

System.out.println(“新密码：”+password);

User user = (User) req.getSession().getAttribute(“user”);

int id = user.getId();

System.out.println(“旧密码id”+id);

int d = service.updatePasswordById(id, password);

try {

if (d > 0) {

JSONResult ok = JSONResult.ok();

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

} else {

JSONResult errorMsg = JSONResult.errorMsg(“修改失败，请重试”);

resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));

} catch (Exception e) {

e.printStackTrace();

商品服务类：

@WebServlet(“/frontstage_goodsServlet”)

public class GoodsServlet extends HttpServlet{

GoodsService service = new GoodsService();

@Override

protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

String action = req.getParameter(“action”);

switch(action) {

case “findAllGoods”:findAllGoods(req,resp);break;

case “findGoodsById”:findGoodsById(req,resp);break;

case “findGoodsByType”:findGoodsByType(req,resp);break;

/**

• 获取所有商品列表

• @param req

• @param resp

*/

public void findAllGoods(HttpServletRequest req, HttpServletResponse resp) {

Map<String, List> allGoods = service.getAllGoods();

try {

req.setAttribute(“allGoods”, allGoods);

req.getRequestDispatcher(“/main.jsp”).forward(req, resp);

return;

} catch (ServletException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

/**

*根据类型获得商品列表

• @param req

• @param resp

*/

public void findGoodsByType(HttpServletRequest req, HttpServletResponse resp) {

String type = req.getParameter(“type”);

String currentPage = req.getParameter(“currentPage”);

PageBean pageBean = null;

// 如果当前第几页currentPage 值为null，说明第一次跳转到此页面或者是要跳转到首页，则设定该值currentPage默认为1

if(currentPage == null) {

pageBean = service.getGoodsByType(type, 4, 1);

}else {

pageBean = service.getGoodsByType(type, 4, Integer.parseInt(currentPage));

try {

req.setAttribute(“pageBean”, pageBean);

req.setAttribute(“type”, type);

req.getRequestDispatcher(“/product.jsp”).forward(req, resp);

} catch (Exception e) {

e.printStackTrace();

/**

• 获取商品的详细信息

• @param req

• @param resp

*/

public void findGoodsById(HttpServletRequest req, HttpServletResponse resp) {

int id =Integer.parseInt(req.getParameter(“id”));

Goods goodsInfo = service.getGoodsInfoById(id);

try {

req.setAttribute(“pro”, goodsInfo);

req.getRequestDispatcher(“/productInfo_user.jsp”).forward(req, resp);

} catch (Exception e) {

e.printStackTrace();

订单服务类：

@WebServlet(“/backstage_ordersServlet”)

public class OrdersServlet extends HttpServlet{

OrdersService service = new OrdersService();

@Override

protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

String action = req.getParameter(“action”);

System.out.println(action);

switch(action) {

case “getOrdersList”:getOrdersList(req,resp);break;

case “getOrdersListByName”:getOrdersListByName(req,resp);break;

case “deleteOrders”:deleteOrders(req,resp);break;

case “deleteAllOrders”:deleteAllOrders(req,resp);break;

case “toOrdersUpdatePage”:toOrdersUpdatePage(req,resp);break;

case “updateOrders”:updateOrders(req,resp);break;

case “fastbuy”:sendOrder(req,resp);break;

/*

• 删除全部订单

*/

private void deleteAllOrders(HttpServletRequest req, HttpServletResponse resp) throws IOException {

//设置请求编码格式:

req.setCharacterEncoding(“utf-8”);

//设置响应编码格式

resp.setContentType(“text/html;charset=utf-8”);

// TODO 自动生成的方法存根

int d = service.deleteAllOrders();

try {

if(d>0) {

JSONResult ok = JSONResult.ok();

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

}else {

JSONResult errorMsg = JSONResult.errorMsg(“删除失败，请重试”);

resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));

} catch (Exception e) {

e.printStackTrace();

/**

• 提交订单

• @throws IOException

*/

public void sendOrder(HttpServletRequest req, HttpServletResponse resp) throws IOException {

//设置请求编码格式:

req.setCharacterEncoding(“utf-8”);

//设置响应编码格式

resp.setContentType(“text/html;charset=utf-8”);

SimpleDateFormat df = new SimpleDateFormat(“yyyy-MM-dd HH:mm:ss”);//设置日期格式

User user =(User) req.getSession().getAttribute(“user”);

Orders order = new Orders();

order.setNumber(order.getRandomString(10));

order.setTime(df.format(new Date()));

order.setName(req.getParameter(“recipients”));

order.setAddress(req.getParameter(“address”));

order.setPhone(req.getParameter(“phone”));

order.setAddress_label(req.getParameter(“addressLabel”));

order.setSex(req.getParameter(“sex”));

order.setUser(user.getUserName());

order.setGoods_id(Integer.parseInt(req.getParameter(“id”)));

order.setGoods_num(Integer.parseInt(req.getParameter(“num”)));

order.setGoods_status(1);

int d = service.addOrder(order);

try {

if(d>0) {

JSONResult ok = JSONResult.ok();

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

}else {

JSONResult error = JSONResult.errorMsg(“订单提交失败!”);

resp.getWriter().println(JsonUtil.javaObjectToJson(error));

} catch (Exception e) {

e.printStackTrace();

/**

• 向前端页面返回订单数据列表

*/

public void getOrdersList(HttpServletRequest req,HttpServletResponse resp) {

List allOrders = service.getAllOrders();

req.setAttribute(“ordersList”,allOrders);

try {

req.getRequestDispatcher(“/backstage/tgls/ordersManage/orders_list.jsp”).forward(req, resp);

} catch (ServletException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

/**

• 根据订单名查询商品(注意！类别没改)

• @param req

• @param resp

• @throws IOException

*/

public void getOrdersListByName(HttpServletRequest req,HttpServletResponse resp) throws IOException {

//设置请求编码格式:

req.setCharacterEncoding(“utf-8”);

//设置响应编码格式

resp.setContentType(“text/html;charset=utf-8”);

String name = req.getParameter(“OrdersUser”);

//String type = req.getParameter(“type”);

Map<String,String> parmas = new HashMap<>();

parmas.put(“name”, name);

//parmas.put(“type”, type);

List list = service.getOrdersByName(parmas);

try {

if(list != null) {

JSONResult ok = JSONResult.ok(list);

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

}else {

JSONResult errorMsg = JSONResult.errorMsg(“未获取到任何数据，请重试”);

resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));

} catch (Exception e) {

e.printStackTrace();

/**

• 修改订单时，获取此订单的全部数据，并返回至修改页面

*/

public void toOrdersUpdatePage(HttpServletRequest req,HttpServletResponse resp) {

int id = Integer.parseInt(req.getParameter(“id”));

Orders orders = service.getOrdersInfoById(id);

req.setAttribute(“orders”, orders);

try {

req.getRequestDispatcher(“/backstage/tgls/ordersManage/orders_update.jsp”).forward(req, resp);

} catch (ServletException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

/**

• 修改订单

• @throws IOException

*/

public void updateOrders(HttpServletRequest req,HttpServletResponse resp) throws IOException {

//设置请求编码格式:

req.setCharacterEncoding(“utf-8”);

//设置响应编码格式

resp.setContentType(“text/html;charset=utf-8”);

Orders orders = new Orders();

orders.setId(Integer.parseInt(req.getParameter(“id”)));

orders.setNumber(req.getParameter(“number”));

orders.setUser(req.getParameter(“user”));

orders.setTime(req.getParameter(“time”));

orders.setName(req.getParameter(“name”));

orders.setSex(req.getParameter(“sex”));

orders.setAddress(req.getParameter(“address”));

orders.setPhone(req.getParameter(“phone”));

orders.setAddress_label(req.getParameter(“address_label”));

orders.setGoods_id(Integer.parseInt(req.getParameter(“goods_id”)));

orders.setGoods_num(Integer.parseInt(req.getParameter(“goods_num”)));

orders.setGoods_status(Integer.parseInt(req.getParameter(“goods_status”)));

System.out.println(orders);

int d = service.updateOrdersById(orders);

System.out.println(d);

try {

if(d>0) {

JSONResult ok = JSONResult.ok();

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

}else {

JSONResult errorMsg = JSONResult.errorMsg(“修改失败，请重试”);

resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));

} catch (Exception e) {

e.printStackTrace();

/**

• 删除订单

• @throws UnsupportedEncodingException

*/

public void deleteOrders(HttpServletRequest req,HttpServletResponse resp) throws UnsupportedEncodingException {

//设置请求编码格式:

req.setCharacterEncoding(“utf-8”);

//设置响应编码格式

resp.setContentType(“text/html;charset=utf-8”);

int id = Integer.parseInt(req.getParameter(“id”));

int d = service.deleteOrdersById(id);

try {

if(d>0) {

JSONResult ok = JSONResult.ok();

resp.getWriter().println(JsonUtil.javaObjectToJson(ok));

}else {

JSONResult errorMsg = JSONResult.errorMsg(“删除失败，请重试”);

resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));

} catch (Exception e) {

e.printStackTrace();

---

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