实现登录拦截器

src/main/java/com/fjy/spring/constant/GlobalConstant.java

@@ -0,0 +1,5 @@
+package com.fjy.spring.constant;
+
+public class GlobalConstant {
+    public static final String USER_SESSION_KEY = "USER_SESSION";
+}

src/main/java/com/fjy/spring/controller/LoginController.java

@@ -1,22 +1,36 @@
 package com.fjy.spring.controller;
 
 import com.fjy.spring.domain.TbUser;
+import com.fjy.spring.properties.ServerProperties;
 import com.fjy.spring.service.UserService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PostMapping;
 
+import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
+
+import static com.fjy.spring.constant.GlobalConstant.USER_SESSION_KEY;
+
 @Controller
 public class LoginController {
+    @Autowired
+    private ServerProperties serverProperties;
 
     @Autowired
     private UserService userService;
 
+    @Resource
+    HttpServletRequest request;
+
     @PostMapping("/login/dologin")
     public String doLogin(TbUser tbUser)throws Exception{
-        if (userService.doLoginService(tbUser.getColname(),tbUser.getColpassword())){
-            return "/home/home";
+        TbUser user = userService.doLoginService(tbUser.getColname(),tbUser.getColpassword());
+        if (user!=null){
+            request.getSession().setAttribute(USER_SESSION_KEY,user);
+            return  "redirect:" + request.getScheme() + "://" + request.getServerName() + ":"
+                    + serverProperties.getPortNum() + request.getContextPath() + "/home";
         }
         return "login";
     }

src/main/java/com/fjy/spring/controller/NavController.java

@@ -19,4 +19,9 @@ public class NavController {
     public String toTestAxiosPage(){
         return "/dist/axiosTest";
     }
+
+    @GetMapping(value = {"/home"})
+    public String toHomePage(){
+        return "/home/home";
+    }
 }

src/main/java/com/fjy/spring/interceptor/LoginInterceptor.java

@@ -0,0 +1,31 @@
+package com.fjy.spring.interceptor;
+
+import com.fjy.spring.constant.GlobalConstant;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+public class LoginInterceptor implements HandlerInterceptor {
+    @Override
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        System.out.println("preHandle");
+        Object user = request.getSession().getAttribute(GlobalConstant.USER_SESSION_KEY);
+        if (user==null){
+            response.sendRedirect("/cms/index");
+            return false;
+        }
+        return true;
+    }
+
+    @Override
+    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
+        System.out.println("postHandle");
+    }
+
+    @Override
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+        System.out.println("afterCompletion");
+    }
+}

src/main/java/com/fjy/spring/interceptor/WebAppConfig.java

@@ -0,0 +1,33 @@
+package com.fjy.spring.interceptor;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.PathMatchConfigurer;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class WebAppConfig implements WebMvcConfigurer {
+
+    /**
+     * 注册拦截器
+     * @param registry
+     */
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        registry.addInterceptor(new LoginInterceptor()).addPathPatterns("/home/**");
+    }
+
+    /**
+     * 排除静态资源
+     * @param registry
+     */
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("/cms/js/**").addResourceLocations("classpath:/js/");
+        registry.addResourceHandler("/cms/css/**").addResourceLocations("classpath:/css/");
+        registry.addResourceHandler("/css/**").addResourceLocations("classpath:/css/");
+        registry.addResourceHandler("/cms/fonts/**").addResourceLocations("classpath:/fonts/");
+        registry.addResourceHandler("/cms/images/**").addResourceLocations("classpath:/images/");
+    }
+}

src/main/java/com/fjy/spring/service/UserService.java

@@ -15,11 +15,11 @@ public class UserService {
     private TbUserRepository tbUserRepository;
 
 
-    public boolean doLoginService(String name,String password){
+    public TbUser doLoginService(String name,String password){
         TbUser user = (TbUser)tbUserRepository.findByColname(name).get();
         if (user!=null){
             if (password.equals(user.getColpassword())){
-                return true;
+                return user;
             }else {
                 throw new UserException(ResultEnum.WRONGPASS);
             }
@@ -32,7 +32,8 @@ public class UserService {
 
         TbUser user = tbUserRepository.save(tbUser);
         if (user!=null){
-            throw new UserException(ResultEnum.SUCCESS);
+            //throw new UserException(ResultEnum.SUCCESS);
+            return true;
         }
         return false;
     }