mybatis+springMVC

！！！springMVC  Mybatis dbcp  log4j

1、导入jar包

2、spring-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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:p="http://www.springframework.org/schema/p"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-2.5.xsd
           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- 使spring扫描包下的所有类，让标注spring注解的类生效 -->
    <context:component-scan base-package="com.duanzishou">
        <!-- 扫描所有的controller 但是不扫描service-->
         <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" />
         <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Service" />
    </context:component-scan>

    <mvc:annotation-driven></mvc:annotation-driven>

    <!-- 对转向页面的路径解析。prefix：前缀， suffix：后缀 -->
    <bean
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/view/" />
        <property name="suffix" value=".jsp" />
    </bean>

    <!-- JSON支持 -->
    <bean id="messageAdapter"
        class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
        <property name="messageConverters">
            <list>
                <!-- Support JSON -->
                <bean
                    class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter" />
            </list>
        </property>
    </bean>
    <mvc:resources mapping="/resources/**" location="/resources/" />
    <mvc:resources mapping="/js/**" location="/js/" />
    <mvc:resources mapping="/images/**" location="/images/" />
    <mvc:resources mapping="/css/**" location="/css/" />
    <mvc:resources mapping="/common/**" location="/common/" />
    <mvc:resources mapping="/bootstrap/**" location="/bootstrap/" />
    <mvc:resources mapping="/lib/**" location="/lib/" />
    <mvc:resources mapping="/twitter-bootstrap/**" location="/twitter-bootstrap/" />
    <mvc:resources mapping="/upload/**" location="/upload/" />
    <bean id="exceptionMessageAdapter"
        class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerExceptionResolver">
        <property name="messageConverters">
            <list>
                <!-- Support JSON -->
                <bean
                    class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter" />
            </list>
        </property>
    </bean>

    <!-- 文件上传支持 -->
    <bean id="multipartResolver"
        class="org.springframework.web.multipart.commons.CommonsMultipartResolver"
        p:maxUploadSize="34564356345456"
        p:defaultEncoding="utf-8">
        <!-- <property name="defaultEncoding" value="utf-8"></property> -->
    </bean>

</beans> 

　　3、applicationContext-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:aop="http://www.springframework.org/schema/aop"
    xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="http://www.springframework.org/schema/tx"
    xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="
                http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
                http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
                http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">

    <!-- Properties文件读取配置，base的properties -->
    <context:property-placeholder location="classpath:jdbc.properties" />

    <!-- JNDI获取数据源(使用dbcp连接池) -->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
        destroy-method="close" scope="singleton">
        <property name="driverClassName" value="${driverClassName}" />
        <property name="url" value="${url}" />
        <property name="username" value="${uname}" />
        <property name="password" value="${password}" />
        <!-- 初始化连接大小 -->
        <property name="initialSize" value="${initialSize}"></property>
        <!-- 连接池最大数量 -->
        <property name="maxActive" value="${maxActive}"></property>
        <!-- 连接池最大空闲 -->
        <property name="maxIdle" value="${maxIdle}"></property>
        <!-- 连接池最小空闲 -->
        <property name="minIdle" value="${minIdle}"></property>
        <!-- 获取连接最大等待时间 -->
        <property name="maxWait" value="${maxWait}"></property>
    </bean>
    <!-- enable transaction demarcation with annotations -->
    <tx:annotation-driven />

    <!-- 定义 SqlSessionFactory -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"
        scope="singleton">
        <property name="dataSource" ref="dataSource" />
        <property name="configLocation" value="classpath:mybatis-config.xml" />
    </bean>

    <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->
    <bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource" />
    </bean>

    <!-- 配置事务通知属性 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
        <!-- 定义事务传播属性 -->
        <tx:attributes>
            <tx:method name="insert*" propagation="REQUIRED" />
            <tx:method name="update*" propagation="REQUIRED" />
            <tx:method name="edit*" propagation="REQUIRED" />
            <tx:method name="save*" propagation="REQUIRED" />
            <tx:method name="add*" propagation="REQUIRED" />
            <tx:method name="new*" propagation="REQUIRED" />
            <tx:method name="set*" propagation="REQUIRED" />
            <tx:method name="remove*" propagation="REQUIRED" />
            <tx:method name="delete*" propagation="REQUIRED" />
            <tx:method name="change*" propagation="REQUIRED" />
            <tx:method name="get*" propagation="REQUIRED" read-only="true" />
            <tx:method name="query*" propagation="REQUIRED" read-only="true" />
            <tx:method name="find*" propagation="REQUIRED" read-only="true" />
            <tx:method name="load*" propagation="REQUIRED" read-only="true" />
            <tx:method name="*" propagation="REQUIRED" read-only="true" />
            <tx:method name="*" rollback-for="CustomException" />
        </tx:attributes>
    </tx:advice>

    <!-- 应用普通类获取bean <bean id="appContext" class="com.soanl.util.tool.ApplicationUtil"/> -->

    <!-- 配置事务切面 -->
    <aop:config>
        <aop:pointcut id="serviceOperation"
            expression="execution(* com.duanzishou.service..*.*(..))" />
        <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceOperation" />
    </aop:config>

    <!-- scan for mappers and let them be autowired MapperScannerConfigurer
        Mybatis-Spring 会自动为我们注册Mapper对应的MapperFactoryBean对象 -->
    <!-- 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="org.project.dao" />
    </bean>

    <!-- 自动扫描组件，这里要把controler下面的 controller去除，他们是在springmvc的配置文件中配置的，如果不去除会影响事务管理的。  -->
    <context:component-scan base-package="com.duanzishou.*">
        <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" />
    </context:component-scan>

</beans>  

4.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>
        <settings>
           <!-- 全局映射器启用缓存 -->
        <setting name="cacheEnabled" value="true" />
                <!-- 查询时，关闭关联对象即时加载以提高性能 -->
        <setting name="lazyLoadingEnabled" value="true" />
                <!-- 设置关联对象加载的形态，此处为按需加载字段(加载字段由SQL指定)，不会加载关联表的所有字段，以提高性能 -->
        <setting name="aggressiveLazyLoading" value="false" />
                <!-- 对于未知的SQL查询，允许返回不同的结果集以达到通用的效果 -->
        <setting name="multipleResultSetsEnabled" value="true" />
                <!-- 允许使用列标签代替列名 -->
        <setting name="useColumnLabel" value="true" />
                <!-- 允许使用自定义的主键值(比如由程序生成的UUID 32位编码作为键值)，数据表的PK生成策略将被覆盖 -->
        <setting name="useGeneratedKeys" value="true" />
                <!-- 给予被嵌套的resultMap以字段-属性的映射支持 -->
        <setting name="autoMappingBehavior" value="FULL" />
                <!-- 对于批量更新操作缓存SQL以提高性能  -->
        <setting name="defaultExecutorType" value="BATCH" />
                <!-- 数据库超过25000秒仍未响应则超时 -->
        <setting name="defaultStatementTimeout" value="25000" />
        </settings>
       <typeAliases>
           <!--这里给实体类取别名，方便在mapper配置文件中使用-->
           <!-- <typeAlias alias="user" type="org.project.pojo.User"/>  -->
           <package name="com.duanzishou.entity"/>
       </typeAliases>  

       <!-- 设置Mybatis的映射文件 -->
    <mappers>
        <!-- <mapper resource="com/duanzishou/entity/UserMapper.xml" /> -->
        <package name="com/duanzishou/entity" />
    </mappers>

   </configuration>  

5、web.xml整合SpringMVC和Mybatis

<?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" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0">
  <display-name></display-name>
  <context-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:applicationContext-*.xml</param-value>
  </context-param>
  <listener>
    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
  </listener>
   <!-- 初始化 DispatcherServlet时，该框架在 web应用程序WEB-INF目录中寻找一个名为[servlet-名称]-servlet.xml的文件，
            并在那里定义相关的Beans，重写在全局中定义的任何Beans -->
  <servlet>
    <servlet-name>spring</servlet-name>
    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
    <init-param>
      <param-name>contextConfigLocation</param-name>
      <param-value>classpath:spring-servlet.xml</param-value>
    </init-param>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <servlet-mapping>
    <servlet-name>spring</servlet-name>
    <!-- 所有的的请求，都会被DispatcherServlet处理 -->
    <url-pattern>/</url-pattern>
  </servlet-mapping>
  <context-param>
    <param-name>log4jConfigLocation</param-name>
    <param-value>classpath:log4j.properties</param-value>
  </context-param>
    <!-- 日志监听 -->
  <listener>
    <listener-class>
            org.springframework.web.util.Log4jConfigListener
        </listener-class>
  </listener>
   <!-- 配置字符集 -->
  <filter>
    <filter-name>characterEncodingFilter</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>
    <init-param>
      <param-name>forceEncoding</param-name>
      <param-value>true</param-value>
    </init-param>
  </filter>
  <filter-mapping>
    <filter-name>characterEncodingFilter</filter-name>
    <url-pattern>/</url-pattern>
  </filter-mapping>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>

5、log4j.properties

log4j.rootLogger=debug,CONSOLE,file
#log4j.rootLogger=ERROR,ROLLING_FILE

log4j.logger.org.project=error
log4j.logger.org.apache.ibatis=debug
log4j.logger.org.mybatis.spring=debug
log4j.logger.java.sql.Connection=debug
log4j.logger.java.sql.Statement=debug
log4j.logger.java.sql.PreparedStatement=debug
log4j.logger.java.sql.ResultSet=debug

######################################################################################
# Console Appender  \u65e5\u5fd7\u5728\u63a7\u5236\u8f93\u51fa\u914d\u7f6e
######################################################################################
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.Threshold=debug
log4j.appender.CONSOLE.Target=System.out
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern= - (%r ms) - [%p] %d %c - %m%n

######################################################################################
# Rolling File  \u6587\u4ef6\u5927\u5c0f\u5230\u8fbe\u6307\u5b9a\u5c3a\u5bf8\u7684\u65f6\u5019\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684\u6587\u4ef6
######################################################################################
#log4j.appender.ROLLING_FILE=org.apache.log4j.RollingFileAppender
#log4j.appender.ROLLING_FILE.Threshold=INFO
#log4j.appender.ROLLING_FILE.File=${baojia.root}/logs/log.log
#log4j.appender.ROLLING_FILE.Append=true
#log4j.appender.ROLLING_FILE.MaxFileSize=5000KB
#log4j.appender.ROLLING_FILE.MaxBackupIndex=100
#log4j.appender.ROLLING_FILE.layout=org.apache.log4j.PatternLayout
#log4j.appender.ROLLING_FILE.layout.ConversionPattern=%d{yyyy-M-d HH:mm:ss}%x[%5p](%F:%L) %m%n

######################################################################################
# DailyRolling File  \u6bcf\u5929\u4ea7\u751f\u4e00\u4e2a\u65e5\u5fd7\u6587\u4ef6\uff0c\u6587\u4ef6\u540d\u683c\u5f0f:log2009-09-11
######################################################################################
log4j.appender.file=org.apache.log4j.DailyRollingFileAppender
log4j.appender.file.DatePattern=yyyy-MM-dd
log4j.appender.file.File=${springMVCProject.root}/logs/log.log
log4j.appender.file.Append=true
log4j.appender.file.Threshold=debug
log4j.appender.file.layout=org.apache.log4j.PatternLayout
log4j.appender.file.layout.ConversionPattern= - (%r ms) - %d{yyyy-M-d HH:mm:ss}%x[%5p](%F:%L) %m%n

#DWR \u65e5\u5fd7
#log4j.logger.org.directwebremoting = ERROR

#\u663e\u793aHibernate\u5360\u4f4d\u7b26\u7ed1\u5b9a\u503c\u53ca\u8fd4\u56de\u503c
#log4j.logger.org.hibernate.type=DEBUG,CONSOLE 

#log4j.logger.org.springframework.transaction=DEBUG
#log4j.logger.org.hibernate=DEBUG
#log4j.logger.org.acegisecurity=DEBUG
#log4j.logger.org.apache.myfaces=TRACE
#log4j.logger.org.quartz=DEBUG

#log4j.logger.com.opensymphony=INFO
#log4j.logger.org.apache.struts2=DEBUG
log4j.logger.com.opensymphony.xwork2=debug

6、jdbc.properties

driverClassName=com.mysql.jdbc.Driver
url=jdbc:mysql://127.0.0.1:3306/waduanzi?useUnicode=true&characterEncoding=utf-8
uname=root
password=123456
minIdle=10
maxIdle=50
initialSize=5
maxActive=100
maxWait=100
removeAbandonedTimeout=180
removeAbandoned=true