SSM常见配置代码

• pom.xml
• applicationContext.xml
• spring-mvc.xml
• web.xml

pom.xml

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>org.shiyun</groupId>
  <artifactId>ShiYunSSM</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>war</packaging>

  <name>ShiYunSSM Maven Webapp</name>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
  </properties>

  <dependencies>
    <!--Spring-context-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>5.1.9.RELEASE</version>
    </dependency>
    <!--AOP相关依赖-->
    <dependency>
      <groupId>org.aspectj</groupId>
      <artifactId>aspectjweaver</artifactId>
      <version>1.8.13</version>
    </dependency>
    <!-- spring-jdbc -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>5.1.9.RELEASE</version>
    </dependency>
    <!-- mybatis整合到Spring的整合包 -->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>2.0.4</version>
    </dependency>
    <!--mybatis依赖-->
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>3.5.4</version>
    </dependency>
    <!--log4j依赖，打印mybatis日志-->
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>1.2.17</version>
    </dependency>
    <!--分页查询，pagehelper-->
    <dependency>
      <groupId>com.github.pagehelper</groupId>
      <artifactId>pagehelper</artifactId>
      <version>4.0.0</version>
    </dependency>

    <!--mysql驱动-->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.25</version>
    </dependency>
    <!-- druid数据源 -->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.1.16</version>
    </dependency>

    <!-- junit -->
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>4.12</version>
    </dependency>
    <!-- spring整合junit的依赖 -->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-test</artifactId>
      <version>5.1.9.RELEASE</version>
    </dependency>

    <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>1.18.12</version>
      <scope>provided</scope>
    </dependency>


    <!-- servlet依赖 -->
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.1.0</version>
      <!--限定作用域，只在编译阶段起作用就可以，运行阶段不用起作用，可以免掉一些报错-->
      <scope>provided</scope>
    </dependency>
    <!--jsp依赖 -->
    <dependency>
      <groupId>javax.servlet.jsp</groupId>
      <artifactId>jsp-api</artifactId>
      <version>2.1</version>
      <scope>provided</scope>
    </dependency>
    <!--springmvc的依赖-->
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>5.1.9.RELEASE</version>
    </dependency>

    <!-- jackson，帮助进行json转换-->
    <dependency>
      <groupId>com.fasterxml.jackson.core</groupId>
      <artifactId>jackson-databind</artifactId>
      <version>2.9.0</version>
    </dependency>

    <!--commons文件上传，如果需要文件上传功能，需要添加本依赖-->
    <dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.4</version>
    </dependency>

  </dependencies>

  <build>
    <finalName>ShiYunSSM</finalName>
  </build>
</project>

applicationContext.xml

<?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"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:aop="http://www.springframework.org/schema/aop"
       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/tx
       http://www.springframework.org/schema/tx/spring-tx.xsd
       http://www.springframework.org/schema/aop
       https://www.springframework.org/schema/aop/spring-aop.xsd">

    <!--组件扫描，排除controller-->
    <context:component-scan base-package="com.shiyun">
        <context:exclude-filter type="annotation"
                                expression="org.springframework.stereotype.Controller"/>
    </context:component-scan>

    <!--读取properties文件-->
    <context:property-placeholder location="classpath:db.properties"/>
    <!--创建连接池注入容器-->
    <bean class="com.alibaba.druid.pool.DruidDataSource" id="dataSource">
        <property name="url" value="${jdbc.url}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="driverClassName" value="${jdbc.driver}"/>
    </bean>
    <!--spring整合mybatis后控制的创建获取SqlSessionFactory的对象-->
    <bean class="org.mybatis.spring.SqlSessionFactoryBean" id="sessionFactory">
        <!--配置连接池-->
        <property name="dataSource" ref="dataSource"/>
        <!--配置mybatis配置文件的路径-->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>

    <!--mapper扫描配置，扫描到的mapper对象会被注入Spring容器中-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"
          id="mapperScannerConfigurer">
        <property name="basePackage" value="com.shiyun.dao"/>
    </bean>

    <!--开启aop注解支持-->
    <aop:aspectj-autoproxy/>

    <!--声明式事务相关配置-->
    <bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager" id="transactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <tx:annotation-driven transaction-manager="transactionManager"/>

</beans>

spring-mvc.xml

<?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"
       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
       http://www.springframework.org/schema/mvc
       https://www.springframework.org/schema/mvc/spring-mvc.xsd">
    <!--
         SpringMVC只扫描controller包即可
     -->
    <context:component-scan base-package="com.shiyun.controller"/>
    <!-- 解决静态资源访问问题，如果不加mvc:annotation-driven会导致无法访问handler-->
    <mvc:default-servlet-handler/>
    <!--解决响应乱码-->
    <mvc:annotation-driven>
        <mvc:message-converters>
            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                <constructor-arg value="utf-8"/>
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>


    <!--配置视图解析器  前后端不分离项目使用-->
    <!--    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="viewResolver">
            &lt;!&ndash;要求拼接的前缀&ndash;&gt;
            <property name="prefix" value="/WEB-INF/page/"></property>
            &lt;!&ndash;要拼接的后缀&ndash;&gt;
            <property name="suffix" value=".jsp"></property>
        </bean>-->

    <!--配置拦截器-->
        <mvc:interceptors>
            <mvc:interceptor>
                <!---->
                <mvc:mapping path="/**"/>
                <!--配置排除拦截的路径-->
                <!--<mvc:exclude-mapping path="/"/>-->
                <!--配置拦截器对象注入容器-->
                <bean class="com.shiyun.interceptor.SYHandlerInterceptor"/>
            </mvc:interceptor>
        </mvc:interceptors>

    <!--
          文件上传解析器
          注意：id 必须为 multipartResolver
          如果需要上传文件时可以放开相应配置
      -->
    <!--<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">-->
    <!--&lt;!&ndash; 设置默认字符编码 &ndash;&gt;-->
    <!--<property name="defaultEncoding" value="utf-8"/>-->
    <!--&lt;!&ndash; 一次请求上传的文件的总大小的最大值，单位是字节&ndash;&gt;-->
    <!--<property name="maxUploadSize" value="#{1024*1024*100}"/>-->
    <!--&lt;!&ndash; 每个上传文件大小的最大值，单位是字节&ndash;&gt;-->
    <!--<property name="maxUploadSizePerFile" value="#{1024*1024*50}"/>-->
    <!--</bean>-->
</beans>

web.xml

<!DOCTYPE web-app PUBLIC
 "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
 "http://java.sun.com/dtd/web-app_2_3.dtd" >
<!--我个人是喜欢严格按照这种顺序编写的，
The content of element type “web-app” must match “(
icon?,display-name?,description?,distributable?,
context-param*,filter*,filter-mapping*,listener*,servlet*,servlet-
mapping*,session-config?,mime-mapping*,welcome-file-list?,error-page*,taglib*,resource-env-ref*,resource-ref*,
security-constraint*,login-config?,security-role*,env-entry*,
ejb-ref*,ejb-local-ref*)”.-->

<web-app>
  <display-name>Archetype Created Web Application</display-name>
  <!--配置spring的配置文件路径-->
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext.xml</param-value>
  </context-param>
  <!--乱码处理过滤器，由SpringMVC提供-->
  <!-- 处理post请求乱码 -->
  <filter>
    <filter-name>CharacterEncodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
      <!-- name固定不变，value值根据需要设置 -->
      <param-name>encoding</param-name>
      <param-value>UTF-8</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>CharacterEncodingFilter</filter-name>
    <!-- 所有请求都设置utf-8的编码 -->
    <url-pattern>/*</url-pattern>
  </filter-mapping>
  <!--配置监听器，可以再应用被部署的时候创建spring容器-->
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
  <servlet>
    <servlet-name>DispatcherServlet</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <!--
        为DispatcherServlet提供初始化参数的
        设置springmvc配置文件的路径
            name是固定的，必须是contextConfigLocation
            value指的是SpringMVC配置文件的位置
     -->
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:spring-mvc.xml</param-value>
    </init-param>
    <!--
        指定项目启动就初始化DispatcherServlet
     -->
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>DispatcherServlet</servlet-name>
    <!--
         /     表示当前servlet映射除jsp之外的所有请求（包含静态资源）
         *.do  表示.do结尾的请求路径才能被SpringMVC处理(老项目会出现)
         /*    表示当前servlet映射所有请求（包含静态资源,jsp），不应该使用其配置DispatcherServlet
     -->
    <url-pattern>/</url-pattern>
  </servlet-mapping>
</web-app>