修改攔截器 intercept

springMvc/src/main/java/com/config/SpringConfig.java

@@ -1,10 +0,0 @@
-package com.config;
-
-import org.springframework.context.annotation.ComponentScan;
-import org.springframework.context.annotation.Configuration;
-
-@Configuration
-@ComponentScan({"com"})
-public class SpringConfig {
-
-}

springMvc/src/main/java/com/controller/UserController.java

@@ -1,5 +1,7 @@
 package com.controller;
 
+import org.aopalliance.intercept.Interceptor;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
 
@@ -9,6 +11,8 @@ import java.io.IOException;
 
 @Controller
 public class UserController {
+    @Autowired
+    String getS;
     @RequestMapping("/quick")
     public String quick() {
         System.out.println("userControllerRunning1...");
@@ -19,6 +23,7 @@ public class UserController {
     @RequestMapping("/save")
     public void save(HttpServletRequest request, HttpServletResponse response) throws IOException {
         // 直接返回字符串
+        System.out.println("1213");
         response.getWriter().println("save");
 //        return "forward:success.jsp";
 

springMvc/src/main/java/com/interceptor/InterceptorConfig.java

@@ -0,0 +1,17 @@
+package com.interceptor;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.handler.MappedInterceptor;
+
+@Configuration
+public class InterceptorConfig {
+    @Bean
+    public MappedInterceptor myInterceptor() {
+        return new MappedInterceptor(new String[]{"/**"},null,new MyInterceptor());
+    }
+    @Bean
+    public MappedInterceptor myInterceptor2() {
+        return new MappedInterceptor(new String[]{"/save"},null,new MyInterceptor());
+    }
+}

springMvc/src/main/java/com/interceptor/MyInterceptor.java

@@ -0,0 +1,20 @@
+package com.interceptor;
+
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+public class MyInterceptor implements HandlerInterceptor {
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        System.out.println("pre");
+        return true;
+    }
+    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
+        System.out.println("chulihou");
+    }
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+        System.out.println("clean");
+    }
+}

springMvc/src/main/java/com/interceptor/MyInterceptor2.java

@@ -0,0 +1,20 @@
+package com.interceptor;
+
+import org.springframework.stereotype.Component;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+public class MyInterceptor2 implements HandlerInterceptor {
+    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
+        System.out.println("pre2");
+        return true;
+    }
+    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
+        System.out.println("chulihou2");
+    }
+    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
+        System.out.println("clean2");
+    }
+}

springMvc/src/main/java/com/listener/ContextLoadListener.java

@@ -1,8 +1,6 @@
 package com.listener;
 
-import com.config.SpringConfig;
 import org.springframework.context.ApplicationContext;
-import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.context.support.ClassPathXmlApplicationContext;
 
 import javax.servlet.ServletContext;

springMvc/src/main/java/com/web/UserServlet.java

@@ -1,11 +1,10 @@
 package com.web;
 
-import com.config.SpringConfig;
 import com.service.UserService;
-import org.springframework.context.ApplicationContext;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.web.context.WebApplicationContext;
 import org.springframework.web.context.support.WebApplicationContextUtils;
+import testCom.SpringConfig;
 
 import javax.servlet.ServletContext;
 import javax.servlet.ServletException;
@@ -23,6 +22,8 @@ public class UserServlet extends HttpServlet {
 //        ApplicationContext app = (ApplicationContext)servletContext.getAttribute("app");
 //        ApplicationContext webApplicationContext = WebApplicationContextUtils.getWebApplicationContext(servletContext);
         WebApplicationContext webApplicationContext = WebApplicationContextUtils.getWebApplicationContext(servletContext);
+        AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext(SpringConfig.class);
+        Object ssFilter = annotationConfigApplicationContext.getBean("ssFilter");
         UserService bean = webApplicationContext.getBean(UserService.class);
         bean.saveUser();
         // Hello

springMvc/src/main/java/testCom/SpringConfig.java

@@ -0,0 +1,12 @@
+package testCom;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class SpringConfig {
+    @Bean
+    public String getS () {
+        return "s";
+    }
+}

springMvc/src/main/resources/Spring-mvc.xml

@@ -3,7 +3,12 @@
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:context="http://www.springframework.org/schema/context"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd">
+       xsi:schemaLocation="http://www.springframework.org/schema/beans
+       http://www.springframework.org/schema/beans/spring-beans.xsd
+       http://www.springframework.org/schema/context
+       https://www.springframework.org/schema/context/spring-context.xsd
+       http://www.springframework.org/schema/mvc
+       http://www.springframework.org/schema/mvc/spring-mvc.xsd">
 <!--    controller组件扫描-->
 <!--    <context:component-scan base-package="com.controller"></context:component-scan>-->
 <!--    只扫描 com下的@Controller注解-->
@@ -17,4 +22,10 @@
 <!--        <property name="prefix" value="/template/"></property>-->
 <!--        <property name="suffix" value=".jsp"></property>-->
 <!--    </bean>-->
+<!--       <mvc:interceptors>-->
+<!--           <mvc:interceptor>-->
+<!--               <mvc:mapping path="/save"/>-->
+<!--               <bean class="com.interceptor.MyInterceptor2"></bean>-->
+<!--           </mvc:interceptor>-->
+<!--       </mvc:interceptors>-->
 </beans>

springMvc/src/main/resources/context.xml

@@ -20,4 +20,5 @@
     <!--    </bean>-->
     <!--    组件扫描-->
     <context:component-scan base-package="com"></context:component-scan>
+    <context:component-scan base-package="testCom"></context:component-scan>
 </beans>

springMvc/src/main/webapp/WEB-INF/web.xml

@@ -41,6 +41,7 @@
       <param-value>classpath:Spring-mvc.xml</param-value>
     </init-param>
     <load-on-startup>1</load-on-startup>
+    
   </servlet>
   <servlet-mapping>
     <servlet-name>dispatcherServlet</servlet-name>