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步骤 1 : 先运行，看到效果，再学习
步骤 2 : 模仿和排错
步骤 3 : 关于退出
步骤 4 : 可运行项目下载
步骤 5 : ForeController.logout()

步骤 1 :

先运行，看到效果，再学习

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使用爬虫已经被系统记录，请勿使用爬虫，增大封号风险。如果是误封，请联系站长，谢谢

步骤 2 :

模仿和排错

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纠问

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使用爬虫已经被系统记录，请勿使用爬虫，增大封号风险。如果是误封，请联系站长，谢谢

步骤 3 :

关于退出

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纠问

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使用爬虫已经被系统记录，请勿使用爬虫，增大封号风险。如果是误封，请联系站长，谢谢

步骤 4 :

可运行项目下载

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纠问

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使用爬虫已经被系统记录，请勿使用爬虫，增大封号风险。如果是误封，请联系站长，谢谢

步骤 5 :

ForeController.logout()

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使用爬虫已经被系统记录，请勿使用爬虫，增大封号风险。如果是误封，请联系站长，谢谢

logout方法
ForeController.java

代码行数较多，请点击查看

package com.how2java.tmall.controller; import com.how2java.tmall.pojo.Category; import com.how2java.tmall.pojo.User; import com.how2java.tmall.service.*; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.util.HtmlUtils; import javax.servlet.http.HttpSession; import java.util.List; @Controller @RequestMapping("") public class ForeController { @Autowired CategoryService categoryService; @Autowired ProductService productService; @Autowired UserService userService; @Autowired ProductImageService productImageService; @Autowired PropertyValueService propertyValueService; @Autowired OrderService orderService; @Autowired OrderItemService orderItemService; @RequestMapping("forehome") public String home(Model model) { List<Category> cs= categoryService.list(); productService.fill(cs); productService.fillByRow(cs); model.addAttribute("cs", cs); return "fore/home"; } @RequestMapping("foreregister") public String register(Model model,User user) { String name = user.getName(); name = HtmlUtils.htmlEscape(name); user.setName(name); boolean exist = userService.isExist(name); if(exist){ String m ="用户名已经被使用,不能使用"; model.addAttribute("msg", m); return "fore/register"; } userService.add(user); return "redirect:registerSuccessPage"; } @RequestMapping("forelogin") public String login(@RequestParam("name") String name, @RequestParam("password") String password, Model model, HttpSession session) { name = HtmlUtils.htmlEscape(name); User user = userService.get(name,password); if(null==user){ model.addAttribute("msg", "账号密码错误"); return "fore/login"; } session.setAttribute("user", user); return "redirect:forehome"; } @RequestMapping("forelogout") public String logout( HttpSession session) { session.removeAttribute("user"); return "redirect:forehome"; } }

代码行数较多，请点击查看

package com.how2java.tmall.controller;
 
import com.how2java.tmall.pojo.Category;
import com.how2java.tmall.pojo.User;
import com.how2java.tmall.service.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.util.HtmlUtils;
 
import javax.servlet.http.HttpSession;
import java.util.List;
 
@Controller
@RequestMapping("")
public class ForeController {
    @Autowired
    CategoryService categoryService;
    @Autowired
    ProductService productService;
    @Autowired
    UserService userService;
    @Autowired
    ProductImageService productImageService;
    @Autowired
    PropertyValueService propertyValueService;
    @Autowired
    OrderService orderService;
    @Autowired
    OrderItemService orderItemService;
    @RequestMapping("forehome")
    public String home(Model model) {
        List<Category> cs= categoryService.list();
        productService.fill(cs);
        productService.fillByRow(cs);
         model.addAttribute("cs", cs);
        return "fore/home";
    }
 
    @RequestMapping("foreregister")
    public String register(Model model,User user) {
        String name =  user.getName();
        name = HtmlUtils.htmlEscape(name);
        user.setName(name);
        boolean exist = userService.isExist(name);
         
        if(exist){
            String m ="用户名已经被使用,不能使用";
            model.addAttribute("msg", m);
 
            return "fore/register";
        }
        userService.add(user);
 
        return "redirect:registerSuccessPage";
    }
    @RequestMapping("forelogin")
    public String login(@RequestParam("name") String name, @RequestParam("password") String password, Model model, HttpSession session) {
        name = HtmlUtils.htmlEscape(name);
        User user = userService.get(name,password);
 
        if(null==user){
            model.addAttribute("msg", "账号密码错误");
            return "fore/login";
        }
        session.setAttribute("user", user);
        return "redirect:forehome";
    }
    @RequestMapping("forelogout")
    public String logout( HttpSession session) {
        session.removeAttribute("user");
        return "redirect:forehome";
    }
}