Java实战玩具商城的前台与后台实现流程

一、项目简述

本系统主要实现的功能有:网上商城系统,前台+后台管理,用户注册,登录,商品展示,分组展示,搜索,收货地址管理,购物车管理,添加,购买,个人信息修改。订单查询等等,后台商品管理,分类管理,库存管理,订单管理,用户管理,信息修改等等。

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:

Springboot+ SpringMVC + MyBatis + Jsp + Html+ JavaScript + JQuery + Ajax + maven等等

后台管理代码:

@Controller

public class IndexController {

/**

* 网站首页

* */

@GetMapping("/")

public String index(){

return "/index";

}

/**

* 联系我们

* */

@GetMapping("/contacts")

public String contacts(){

return "/common/contacts";

}

/**

* 关于我们

* */

@GetMapping("/about")

public String about(){

return "/common/about";

}

/**

* 后台管理首页

* */

@GetMapping("/admin/index")

public String adminindex(HttpSession session, HttpServletRequest request, HttpServletResponse response) throws IOException {

String admin = (String) session.getAttribute("admin");

/**拦截器:如果不是管理员,则进行重定向*/

if (StringUtils.isEmpty(admin)){

response.sendRedirect(request.getContextPath() + "/");//重定向

}

return "/admin/index";

}

/**

* 用户登录注册

* */

@GetMapping("/login")

public String login(){

return "/user/logreg";

}

/**

* 用户忘记密码

* */

@GetMapping("/forget")

public String forget(){

return "user/forget";

}

/**

* 个人中心

* */

@GetMapping("/user/center")

public String usercenter(HttpSession session, HttpServletRequest request, HttpServletResponse response) throws IOException {

String userid = (String) session.getAttribute("userid");

/**拦截器:如果不是用户角色登录,则进行重定向*/

if (StringUtils.isEmpty(userid)){

response.sendRedirect(request.getContextPath() + "/");//重定向

}

return "/user/user-center";

}

/**

* 用户修改密码

* */

@RequiresPermissions("user:userinfo")

@GetMapping("/user/pass")

public String userinfo(){

return "/user/updatepass";

}

/**

* 用户更换手机号

* */

@RequiresPermissions("user:userinfo")

@GetMapping("/user/phone")

public String userphone(){

return "/user/updatephone";

}

/**

* 用户商品列表

* */

@GetMapping("/user/product")

public String userproduct(){

return "/user/product/productlist";

}

/**

* 通知消息

* */

@GetMapping("/user/message")

public String commonmessage(){

return "/user/message/message";

}

/**

* 弹出式通知消息

* */

@GetMapping("/user/alertmessage")

public String alertmessage(){

return "/user/message/alertmessage";

}

/**

* 跳转到产品清单界面

* */

@GetMapping("/product-listing")

public String toproductlisting() {

return "/common/product-listing";

}

/**

* 跳转到产品清单搜索界面

* */

@GetMapping("/product-search")

public String toProductSearchs(String keys, ModelMap modelMap) {

if(keys==null){

return "/error/404";

}

modelMap.put("keys",keys);

return "/common/product-search";

}

/**用户个人中心默认展示图*/

@GetMapping("/home/console")

public String homeconsole(){

return "/admin/home/console";

}

/**

* 管理员首页默认展示图

* */

@GetMapping("/echars/console")

public String echars(){

return "/admin/echars/console";

}

@GetMapping("/app/message/index")

public String appmessageindex(){

return "/admin/app/message/index";

}

/**

* 用户收藏列表

* */

@GetMapping("/user/collect")

public String usercollect(){

return "/user/collect/collectlist";

}

/**

* 用户售出记录

* */

@GetMapping("/user/sold")

public String sold(){

return "/user/sold/soldrecord";

}

/**

* 销量列表

* */

@GetMapping("/admin/sold")

public String adminSold(){

return "/admin/sold/soldrecord";

}

/**

* 首页公告清单

* */

@GetMapping("/user/newslist")

public String userNews(){

return "/common/listnews";

}

/**

* 管理员公告列表

* */

@GetMapping("/admin/newslist")

public String adminNews(){

return "/admin/news/newslist";

}

}

订单和商品服务类:

@WebServlet("/backstage_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 "addGoods":addGoods(req,resp);break;

case "getGoodsList":getGoodsList(req,resp);break;

case "getGoodsListByName":getGoodsListByName(req,resp);break;

case "deleteGoods":deleteGoods(req,resp);break;

case "toGoodsUpdatePage":toGoodsUpdatePage(req,resp);break;

case "updateGoods":updateGoods(req,resp);break;

case "upGoodsImage":upGoodsImage(req,resp);break;

case "fastbuy":sendOrder(req,resp);break;

}

}

/**

* 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

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("sjb");

order.setGoods_id(99);

order.setGoods_num(3);

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();

}

}

/**

* 保存商品

* @throws IOException

*/

public void addGoods(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");

FileUploadUtil upFile = new FileUploadUtil();

ServletContext servletContext = req.getSession().getServletContext();

List<FileItem> items= upFile.getRequsetFileItems(req,servletContext);

//保存所有用户提交的 表单数据 的map

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

String savePath = new File(getServletContext().getRealPath("/")).getParentFile().getParentFile().getPath()+"/imgs";

try {

//遍历

for (FileItem file : items) {

if(!file.isFormField()) {

String fileSuffix = FileUploadUtil.getFileSuffix(file).toUpperCase();

//必须是jpg或png 图片文件才能进行上传操作

if("JPG".equals(fileSuffix) || "PNG".equals(fileSuffix)) {

//生成新图片名

String imgName = FileUploadUtil.getImgNewName(fileSuffix);

FileUploadUtil.saveFile(file, savePath, imgName);

formData.put("imgUrl",imgName);

}

}else {

//非文件数据存入

formData.put(file.getFieldName(), file.getString("utf-8"));

}

}

} catch (UnsupportedEncodingException e) {

e.printStackTrace();

}

Goods goods = new Goods();

goods.setName(formData.get("goodsName"));

goods.setNum(Integer.parseInt(formData.get("num")));

goods.setPrice(Double.parseDouble(formData.get("price")));

goods.setImgurl(formData.get("imgUrl"));

goods.setType(formData.get("type"));

goods.setDescription(formData.get("description"));

goods.setColor(formData.get("color"));

goods.setMemory(formData.get("memory"));

goods.setCreateDate(new SimpleDateFormat("yyyy-MM-dd").format(new Date()));

int d = service.addGoods(goods);

try {

if(d>0) {

JSONResult ok = JSONResult.ok();

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

}else {

JSONResult errorMsg = JSONResult.errorMsg("添加失败,请重试");

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

}

} catch (Exception e) {

e.printStackTrace();

}

}

/**

* 向前端页面返回商品数据列表

*/

public void getGoodsList(HttpServletRequest req,HttpServletResponse resp) {

List<Goods> allGoods = service.getAllGoods();

req.setAttribute("goodsList", allGoods);

try {

req.getRequestDispatcher("/backstage/tgls/goodsManage/goods_list.jsp").forward(req, resp);

} catch (ServletException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

/**

* @throws IOException

* 根据商品名查询商品

* @param req

* @param resp

* @throws

*/

public void getGoodsListByName(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("goodsName");

String type = req.getParameter("type");

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

parmas.put("name", name);

parmas.put("type", type);

List<Goods> list = service.getGoodsByName(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();

}

}

/**

* 修改商品时,获取此商品的全部数据,并返回至修改页面

*/

public void toGoodsUpdatePage(HttpServletRequest req,HttpServletResponse resp) {

int id = Integer.parseInt(req.getParameter("id"));

Goods goods = service.getGoodsInfoById(id);

req.setAttribute("goods", goods);

try {

req.getRequestDispatcher("/backstage/tgls/goodsManage/goods_update.jsp").forward(req, resp);

} catch (ServletException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

/**

*修改商品信息时,如果有修改图片,先将图片进行修改

* @throws IOException

*/

public void upGoodsImage(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");

FileUploadUtil upFile = new FileUploadUtil();

ServletContext servletContext = req.getSession().getServletContext();

List<FileItem> items= upFile.getRequsetFileItems(req,servletContext);

String savePath = new File(getServletContext().getRealPath("/")).getParentFile().getParentFile().getPath()+"/imgs";

String imgName = null;

try {

//遍历

for (FileItem file : items) {

if(!file.isFormField()) {

String fileSuffix = FileUploadUtil.getFileSuffix(file);

//必须是jpg或png 图片文件才能进行上传操作

if("jpg".equals(fileSuffix) || "png".equals(fileSuffix)) {

//生成新图片名

imgName = FileUploadUtil.getImgNewName(fileSuffix);

FileUploadUtil.saveFile(file, savePath, imgName);

}

}

}

int d = service.updateGoodsImgById(imgName, Integer.parseInt(req.getParameter("id")));

if(d>0) {

JSONResult ok = JSONResult.ok(imgName);

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();

}

}

/**

* 修改商品

* @throws IOException

*/

public void updateGoods(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");

Goods goods = new Goods();

goods.setId(Integer.parseInt(req.getParameter("id")));

goods.setName(req.getParameter("goodsName"));

goods.setNum(Integer.parseInt(req.getParameter("num")));

goods.setPrice(Double.parseDouble(req.getParameter("price")));

goods.setType(req.getParameter("type"));

goods.setColor(req.getParameter("color"));

goods.setMemory(req.getParameter("memory"));

goods.setDescription(req.getParameter("description"));

int d = service.updateGoodsById(goods);

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();

}

}

/**

* 删除商品

* @throws IOException

*/

public void deleteGoods(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");

int id = Integer.parseInt(req.getParameter("id"));

int d = service.deleteGoodsById(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();

}

}

}

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<Orders> 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<Orders> 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();

}

}

}

用户服务类:

@WebServlet("/backstage_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 "modifyPassword":modifyPassword(req, resp);break;

case "checkOldPassword":checkOldPassword(req, resp);break;

case "afterModifyPassword":afterModifyPassword(req, resp);break;

case "logout":logout(req, resp);break;

}

}

/**

* 用户登录

* @throws IOException

*/

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");

//获取前端页面传来的用户名

String userName = req.getParameter("userName");

//获取前端页面传来的密码

String password = req.getParameter("password");

// 1、先验证该用户的角色是否为管理员

String userRole = service.getUserRoleByName(userName);

try {

if(!"admin".equals(userRole)) {

JSONResult errorMsg = JSONResult.errorMsg("暂无登录权限");

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

}else {

//2、获取用户数据 进行用户名和密码验证

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

if(user!=null) {

//将用户数据保存到session 作用域中,方便在后续的操作中使用用户数据

req.getSession().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));

}

}

} catch (Exception 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());

String password = req.getParameter("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");

User user =(User) req.getSession().getAttribute("user");

int id = user.getId();

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();

}

}

/**

* 成功修改密码后,清除session中的数据,并且重新跳转到登录页

* @param req

* @param resp

*/

public void afterModifyPassword(HttpServletRequest req, HttpServletResponse resp) {

req.getSession().removeAttribute("user");

try {

//使用iframe时,要避免这种直接跳转的方式

// 此时只会让内嵌的iframe跳转到登录页,并非整个页面

// resp.sendRedirect("backstage/login.jsp");

PrintWriter writer = resp.getWriter();

writer.print("<html>");

writer.print("<script>");

writer.print("window.open('"+ req.getContextPath()+"/backstage/login.jsp','_top')");

writer.print("</script>");

writer.print("</html>");

} catch (IOException e) {

e.printStackTrace();

}

}

/**

* 退出登录

*/

public void logout(HttpServletRequest req, HttpServletResponse resp) {

req.getSession().removeAttribute("user");

try {

resp.sendRedirect("backstage/login.jsp");

} catch (IOException e) {

e.printStackTrace();

}

}

}

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