SSM配置文件整合（Spring-SpringMVC-MyBatis）

mybatis-config.xml

<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">

<configuration>

</configuration>

jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
<!-- useOldAliasMetadataBehavior=true代表支持获取列别名获取 -->
<!-- autoReconnect=true支持数据库中断后，自动重连 -->
<!-- failOverReadOnly=false自动重连成功后，连接是否设置为只读？ -->
jdbc.url=jdbc:mysql://localhost:3306/person?useOldAliasMetadataBehavior=true&autoReconnect=true&
failOverReadOnly=false&characterEncoding=utf-8
jdbc.username=admin
jdbc.password=admin

spring-mybatis.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:aop="http://www.springframework.org/schema/aop" xmlns:p="http://www.springframework.org/schema/p"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-4.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-4.2.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd">

<!-- 自动扫描 加载service -->
<context:component-scan base-package="com.wescr.service.*" />

<!-- 加载配置文件,多个配置文件，使用list -->
<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>classpath:jdbc.properties</value>
<value>classpath:project.properties</value>
</list>
</property>
</bean>

<!-- 数据库连接及配置 -->
<bean id="dataSource"
class="com.alibaba.druid.pool.DruidDataSource"  destroy-method="close"  init-method="init">
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="filters" value="config" />
<!-- <property name="connectionProperties" value="config.decrypt=true" /> -->
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="1" />
<property name="minIdle" value="1" />
<property name="maxActive" value="20" />
<property name="validationQuery" value="SELECT 'x'" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />

<!-- 配置获取连接等待超时的时间 -->
<property name="maxWait" value="60000" />
<!-- 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒 -->
<property name="timeBetweenEvictionRunsMillis" value="60000" />
<!-- 配置一个连接在池中最小生存的时间，单位是毫秒 -->
<property name="minEvictableIdleTimeMillis" value="300000" />
<property name="proxyFilters">
<list> <ref bean="stat-filter" />   </list>
</property>
</bean>
<!-- SQL监控信息 -->
<bean id="stat-filter" class="com.alibaba.druid.filter.stat.StatFilter">
<property name="slowSqlMillis" value="10000" />
<property name="logSlowSql" value="true" />
</bean>

<!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 自动扫描配置的包下的文件 -->
<property name="mapperLocations" value="classpath:com/wescr/mybatis/mapper/*.xml"/>
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
</bean>

<!-- Mapper接口所在包名，Spring会自动查找其下的Mapper -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.wescr.mybatis.dao" />
</bean>

<!-- 注解式事务管理 -->
<tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/>

<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="datasource"></property>
</bean>

<!-- XML配置事务 -->
<!-- 定义事务通知 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<!-- 定义方法的过滤规则 -->
<tx:attributes>
<!-- 所有方法都使用事务 -->
<tx:method name="*" propagation="REQUIRED" rollback-for="java.lang.Exception"/>
<!-- 定义所有get开头的方法都是只读的 -->
<tx:method name="get*" read-only="true"/>
</tx:attributes>
</tx:advice>

<!-- 定义AOP配置 -->
<aop:config>
<!-- 定义一个切入点 -->
<aop:pointcut expression="execution (* com.wescr.ser
20000
vice.impl.*.*(..))" id="services"/>
<!-- 对切入点和事务的通知，进行适配 -->
<aop:advisor advice-ref="txAdvice" pointcut-ref="services"/>
</aop:config>

</beans>

springMVC-servlet.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-4.2.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-4.2.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd ">

<!-- 自动扫描 加载controller -->
<context:component-scan base-package="com.wescr.controller.*" />

<!-- 定义跳转的文件的前后缀 ，视图模式配置-->
<!-- jsp页面解析器，当Controller返回XXX字符串时，先通过拦截器，然后该类就会在/WEB-INF/views/目录下，查找XXX.jsp文件 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/views/"></property>
<property name="suffix" value=".jsp"></property>
</bean>

<!-- 配置文件上传，如果没有使用文件上传可以不用配置，当然如果不配，那么配置文件中也不必引入上传组件包 -->
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<!-- 指定所上传文件的总大小不能超过5000KB。注意maxUploadSize属性的限制不是针对单个文件，而是所有文件的容量之和 -->
<property name="maxUploadSize" value="52428800"/>
<!-- 内存中的最大值 -->
<property name="maxInMemorySize" value="2048"/>
<property name="defaultEncoding" value="utf-8" />
</bean>

<!-- SpringMVC在超出上传文件限制时，会抛出org.springframework.web.multipart.MaxUploadSizeExceededException -->
<!-- 该异常是SpringMVC在检查上传的文件信息时抛出来的，而且此时还没有进入到Controller方法中 -->
<bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
<property name="exceptionMappings">
<props>
<!-- 遇到MaxUploadSizeExceededException异常时，自动跳转到/WEB-INF/jsp/error_fileupload.jsp页面 -->
<prop key="org.springframework.web.multipart.MaxUploadSizeExceededException">error</prop>
</props>
</property>
</bean>
</beans>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">

<!-- servlet的描述信息，在应用服务器控制台上可以作为标志 -->
<display-name>com-hurongclub-credit-api</display-name>

<!-- 欢迎页面 -->
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>

<!-- spring监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 防止Spring内存溢出监听器 -->
<listener>
<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
</listener>

<!-- 设置Spring容器加载配置文件路径 (主要配置都在这里面) -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-mybatis.xml  </param-value>
</context-param>

<servlet>
<servlet-name>springmvc</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
<async-supported>true</async-supported>
</servlet>

<!-- 编码过滤器 -->
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>

<!-- Druid监控的Servlet -->
<servlet>
<servlet-name>DruidStatView</servlet-name>
<servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>DruidStatView</servlet-name>
<url-pattern>/druid/*</url-pattern>
</servlet-mapping>

<!-- 错误页面 -->
<error-page>
<error-code>404</error-code>
<location>/error404.jsp</location>
</error-page>
</web-app>