spring web

pom.xml

@@ -10,7 +10,6 @@
     <version>1.0-SNAPSHOT</version>
     <modules>
         <module>spring_annotation</module>
-        <module>spring_mvc</module>
         <module>springMvc</module>
     </modules>
 

spring_mvc/src/main/java/com/dao/impl/UserDaoImpl.java

@@ -5,7 +5,6 @@ import org.springframework.stereotype.Repository;
 
 @Repository
 public class UserDaoImpl implements UserDao {
-    @Override
     public void save() {
         System.out.println("dao save");
     }

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

@@ -0,0 +1,22 @@
+package com.listener;
+
+import com.config.SpringConfig;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+public class ContextLoadListener implements ServletContextListener {
+    public void contextInitialized(ServletContextEvent sce) {
+//        ServletContextListener.super.contextInitialized(sce);
+        AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext(SpringConfig.class);
+        ServletContext servletContext = sce.getServletContext();
+        servletContext.setAttribute("app",annotationConfigApplicationContext);
+        System.out.println("servletContextLoader");
+    }
+
+    public void contextDestroyed(ServletContextEvent sce) {
+//        ServletContextListener.super.contextDestroyed(sce);
+    }
+}

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

@@ -0,0 +1,29 @@
+package com.web;
+
+import com.config.SpringConfig;
+import com.service.UserService;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+import javax.servlet.ServletContext;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+
+public class UserServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        //super.doGet(req, resp);
+        ServletContext servletContext = req.getServletContext();
+        ApplicationContext app = (ApplicationContext)servletContext.getAttribute("app");
+        UserService bean = app.getBean(UserService.class);
+        bean.saveUser();
+        // Hello
+        PrintWriter out = resp.getWriter();
+        out.println("hello");
+
+    }
+}

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

@@ -1,17 +0,0 @@
-package web;
-
-import org.springframework.context.support.ClassPathXmlApplicationContext;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-
-public class UserServlet extends HttpServlet {
-    @Override
-    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
-        //super.doGet(req, resp);
-        System.out.println("test");
-    }
-}

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

@@ -1,43 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!--
-  Licensed to the Apache Software Foundation (ASF) under one or more
-  contributor license agreements.  See the NOTICE file distributed with
-  this work for additional information regarding copyright ownership.
-  The ASF licenses this file to You under the Apache License, Version 2.0
-  (the "License"); you may not use this file except in compliance with
-  the License.  You may obtain a copy of the License at
 
-      http://www.apache.org/licenses/LICENSE-2.0
-
-  Unless required by applicable law or agreed to in writing, software
-  distributed under the License is distributed on an "AS IS" BASIS,
-  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-  See the License for the specific language governing permissions and
-  limitations under the License.
--->
-<!-- @version $Id: applicationContext.xml 561608 2007-08-01 00:33:12Z vgritsenko $ -->
 <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xmlns:util="http://www.springframework.org/schema/util"
-       xmlns:configurator="http://cocoon.apache.org/schema/configurator"
-       xmlns:avalon="http://cocoon.apache.org/schema/avalon"
-       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
-                           http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.0.xsd
-                           http://cocoon.apache.org/schema/configurator http://cocoon.apache.org/schema/configurator/cocoon-configurator-1.0.1.xsd
-                           http://cocoon.apache.org/schema/avalon http://cocoon.apache.org/schema/avalon/cocoon-avalon-1.0.xsd">
-
-  <!-- Activate Cocoon Spring Configurator -->
-  <configurator:settings/>
-
-  <!-- Configure Log4j -->
-  <bean name="org.apache.cocoon.spring.configurator.log4j"
-        class="org.apache.cocoon.spring.configurator.log4j.Log4JConfigurator"
-        scope="singleton">
-    <property name="settings" ref="org.apache.cocoon.configuration.Settings"/>
-    <property name="resource" value="/WEB-INF/log4j.xml"/>
-  </bean>
-
-  <!-- Activate Avalon Bridge -->
-  <avalon:bridge/>
-
-</beans>
+       xmlns:context="http://www.springframework.org/schema/context"
+       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">
+  <!--    <bean id="userService1" class="com.service.impl.UserServiceImpl">-->
+  <!--&lt;!&ndash;        <constructor-arg name="userDao" ref="UserDao"></constructor-arg>&ndash;&gt;-->
+  <!--    </bean>-->
+  <!--    加载外部 properties文件-->
+  <!--    <context:property-placeholder location="jdbc.properties"></context:property-placeholder>-->
+  <!--    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">-->
+  <!--        <property name="driverClassName" value="${jdbc.driver}"></property>-->
+  <!--        <property name="url" value="${jdbc.url}"></property>-->
+  <!--        <property name="username" value="${jdbc.username}"></property>-->
+  <!--        <property name="password" value="${jdbc.password}"></property>-->
+  <!--    </bean>-->
+  <!--    组件扫描-->
+  <context:component-scan base-package="com"></context:component-scan>
+</beans>

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

@@ -25,16 +25,19 @@
          xmlns="http://java.sun.com/xml/ns/j2ee"
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
+  <listener>
+    <listener-class>com.listener.ContextLoadListener</listener-class>
+  </listener>
 
   <!-- Servlet Filters ================================================ -->
   <servlet>
     <servlet-name>User</servlet-name>
-    <servlet-class>web.UserServlet</servlet-class>
+    <servlet-class>com.web.UserServlet</servlet-class>
     
   </servlet>
   <servlet-mapping>
     <servlet-name>User</servlet-name>
-    <url-pattern>/</url-pattern>
+    <url-pattern>/user</url-pattern>
   </servlet-mapping>
 
 </web-app>

spring_mvc/pom.xml

@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <parent>
-        <artifactId>spring_demo</artifactId>
-        <groupId>org.example</groupId>
-        <version>1.0-SNAPSHOT</version>
-    </parent>
-    <modelVersion>4.0.0</modelVersion>
-
-    <artifactId>spring_mvc</artifactId>
-
-    <properties>
-        <maven.compiler.source>8</maven.compiler.source>
-        <maven.compiler.target>8</maven.compiler.target>
-    </properties>
-    <dependencies>
-
-    </dependencies>
-</project>

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

@@ -1,20 +0,0 @@
-package com.web;
-
-import com.service.UserService;
-import org.springframework.context.support.ClassPathXmlApplicationContext;
-
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-
-public class UserServlet extends HttpServlet {
-    @Override
-    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
-        ClassPathXmlApplicationContext classPathXmlApplicationContext = new ClassPathXmlApplicationContext("context.xml");
-        UserService bean = classPathXmlApplicationContext.getBean(UserService.class);
-        bean.saveUser();
-        //super.doGet(req, resp);
-    }
-}

spring_mvc/src/main/resources/context.xml

@@ -1,23 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-
-<beans xmlns="http://www.springframework.org/schema/beans"
-       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-       xmlns:context="http://www.springframework.org/schema/context"
-       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">
-    <!--    <bean id="userService1" class="com.service.impl.UserServiceImpl">-->
-    <!--&lt;!&ndash;        <constructor-arg name="userDao" ref="UserDao"></constructor-arg>&ndash;&gt;-->
-    <!--    </bean>-->
-    <!--    加载外部 properties文件-->
-    <!--    <context:property-placeholder location="jdbc.properties"></context:property-placeholder>-->
-    <!--    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">-->
-    <!--        <property name="driverClassName" value="${jdbc.driver}"></property>-->
-    <!--        <property name="url" value="${jdbc.url}"></property>-->
-    <!--        <property name="username" value="${jdbc.username}"></property>-->
-    <!--        <property name="password" value="${jdbc.password}"></property>-->
-    <!--    </bean>-->
-    <!--    组件扫描-->
-    <context:component-scan base-package="com"></context:component-scan>
-</beans>

spring_mvc/src/test/java/SpringUnitTest.java

@@ -1,18 +0,0 @@
-import com.config.SpringConfig;
-import com.service.UserService;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.test.context.ContextConfiguration;
-import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
-
-@RunWith(SpringJUnit4ClassRunner.class)
-@ContextConfiguration(classes = {SpringConfig.class})
-public class SpringUnitTest {
-    @Autowired
-    UserService userService;
-    @Test
-    public void test() {
-        userService.saveUser();
-    }
-}