ssm基础配置

1.导包

   <dependencies>

     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-webmvc</artifactId>
         <version>3.2.8.RELEASE</version>
     </dependency>    

     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-tx</artifactId>
         <version>3.2.8.RELEASE</version>
     </dependency>    

     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-web</artifactId>
         <version>3.2.8.RELEASE</version>
     </dependency>

     <dependency>
         <groupId>org.codehaus.jackson</groupId>
         <artifactId>jackson-mapper-asl</artifactId>
         <version>1.9.13</version>
     </dependency>

     <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-annotations</artifactId>
         <version>2.9.7</version>
     </dependency>

     <dependency>
         <groupId>com.fasterxml.jackson.core</groupId>
         <artifactId>jackson-core</artifactId>
         <version>2.9.7</version>
     </dependency>

     <dependency>
         <groupId>org.springframework</groupId>
         <artifactId>spring-jdbc</artifactId>
         <version>3.2.8.RELEASE</version>
     </dependency>

     <dependency>
         <groupId>commons-dbcp</groupId>
         <artifactId>commons-dbcp</artifactId>
         <version>1.4</version>
     </dependency>

     <dependency>
         <groupId>mysql</groupId>
         <artifactId>mysql-connector-java</artifactId>
         <version>5.0.8</version>
     </dependency>

     <dependency>
         <groupId>org.mybatis</groupId>
         <artifactId>mybatis</artifactId>
         <version>3.3.0</version>
     </dependency>

     <dependency>
         <groupId>org.mybatis</groupId>
         <artifactId>mybatis-spring</artifactId>
         <version>1.2.3</version>
     </dependency>

     <dependency>
         <groupId>junit</groupId>
         <artifactId>junit</artifactId>
         <version>4.12</version>
     </dependency>

   </dependencies>

pom.xml

2.spring配置文件

 <?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:p="http://www.springframework.org/schema/p"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:util="http://www.springframework.org/schema/util"
     xsi:schemaLocation="
             http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
             http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
             http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.2.xsd
             http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsd
             http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
             http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd
             http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
             http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
             http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.2.xsd">

     <!-- 1.启用注解驱动 -->
     <mvc:annotation-driven conversion-service="conversionService" />

     <!-- 2.配置组件扫描 -->
     <context:component-scan base-package="com.goatherd.ssm" />

     <!-- 3.视图解析 -->
     <bean
         class="org.springframework.web.servlet.view.InternalResourceViewResolver">
         <property name="prefix" value="/WEB-INF/" />
         <property name="suffix" value=".jsp" />
     </bean>

     <!-- 4.session拦截器配置(多个拦截器以配置的顺序为主) -->
     <mvc:interceptors>
         <mvc:interceptor>
             <mvc:mapping path="/**"/>
             <mvc:exclude-mapping path="/toLogin.do"/>
             <mvc:exclude-mapping path="/login.do"/>
             <!-- 拦截器的实现类 -->
             <bean class="com.session.SessionInterceptor"></bean>
         </mvc:interceptor>
     </mvc:interceptors>   

     <!-- 自定义参数绑定，不知道为啥这里还需要配置 multipartResolver bean -->
     <bean id="conversionService" class="org.springframework.format.support.FormattingConversionServiceFactoryBean"></bean>
 </beans>

spring-mvc.xml

3.mybatis配置文件

 <?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:p="http://www.springframework.org/schema/p"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:util="http://www.springframework.org/schema/util"
     xsi:schemaLocation="
             http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
             http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
             http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.2.xsd
             http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsd
             http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd
             http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa-1.3.xsd
             http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.2.xsd
             http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd
             http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.2.xsd">

     <!-- 引入数据库配置文件(读取properties文件)，这种方式可以引入多个properties文件 -->
     <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
         <property name="locations">
             <list>
                 <value>classpath:config/jdbc.properties</value>
                 <!--<value>classpath:config/redis.properties</value> -->
             </list>
         </property>
     </bean>

     <!-- 数据库配置  -->
     <bean id="dbcp" class="org.apache.commons.dbcp.BasicDataSource">
       <!-- 初级配置 -->
       <property name="driverClassName" value="${mysql.driverClassName}"/>
       <property name="url" value="${mysql.url}"/>
       <property name="username" value="${mysql.username}"/>
       <property name="password" value="${mysql.password}"/>
     </bean> 

     <!-- session工厂(映射器) -->
     <bean id="ssf" class="org.mybatis.spring.SqlSessionFactoryBean">
       <!-- 注入DataSource -->
       <property name="dataSource" ref="dbcp"></property>
       <!-- 注入SQL语句(映射文件的位置) -->
       <property name="mapperLocations" value="classpath:mapper/*.xml"></property>
     </bean>

     <!-- 扫描器 -->
     <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
         <!-- 指定mapper接口 -->
         <property name="basePackage" value="com.ssm.dao"></property>
         <!-- 指定sqlSession资源 -->
         <property name="sqlSessionFactoryBeanName" value="ssf" />
     </bean>
 </beans>

spring-mybatis.xml

4.jdbc配置文件

 #MySQL数据库
 mysql.driverClassName=com.mysql.jdbc.Driver
 mysql.url=jdbc:mysql://localhost/erp?useUnicode=true&characterEncoding=utf8&useSSL=false&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true
 mysql.username=root
 mysql.password=123456

jdbc.properties

5.web.xml文件配置

  <!-- 初始配置 -->
   <context-param>
     <param-name>contextConfigLocation</param-name>
     <param-value>classpath:config/xml/spring-*.xml</param-value>
   </context-param>
   <listener>
     <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
   </listener>

   <!-- 配置DispatcherServlet -->
   <servlet>
     <servlet-name>mvc</servlet-name>
     <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
     <init-param>
       <param-name>contextConfigLocation</param-name>
       <param-value>classpath:config/xml/spring-*.xml</param-value>
     </init-param>
     <load-on-startup>1</load-on-startup>
   </servlet>
   <servlet-mapping>
     <servlet-name>mvc</servlet-name>
     <url-pattern>*.do</url-pattern>
   </servlet-mapping>

web.xml

6.项目结构图