mybatis3+spring3MVC

 

 

最近,正在为公司搭建java部门的开发平台,记录下搭建的整个过程。

1.    环境介绍

1.1.   JDK

      jdk1.6.0_04

1.2.  Web服务器

      Tomcat6.0.29-windows-x86

1.3.   开发工具

Eclipse3.7 Version: Indigo Release    Build id: 20110615-0604

1.4.   使用的框架

后端:Mybatis(3.0.5) + Spring(3.0.5)MVC

前端:jQuery1.5.1

1.5.   数据库

MySQL(5.1)

2.    搭建过程

2.1.   项目结构

整个工程的编码是“utf-8”(包括里面所有的文件)。首先看一下整个项目的结构(里面涉及到公司名称的部分进行了处理):



 

接着,看看需要哪些jar包:



 

2.2.   配置文件

2.2.1 web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
 
    <!-- 载入spring上下文 -->
    <context-param>
       <param-name>contextConfigLocation</param-name>
       <param-value>/WEB-INF/applicationContext.xml</param-value>
    </context-param>
 
    <!--
       载入springMVC配置
       如果<servlet-name>的名称为testMVC,则对应的xml文件则是testMVC-servlet.xml
    -->
    <servlet>
       <servlet-name>dispatcher</servlet-name>
       <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
       <init-param>
           <param-name>contextConfigLocation</param-name>
           <param-value>/WEB-INF/dispatcher-servlet.xml</param-value>
       </init-param>
       <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
       <servlet-name>dispatcher</servlet-name>
       <url-pattern>*.do</url-pattern>
    </servlet-mapping>
 
    <!-- Spring监听 -->
    <listener>
       <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <listener>
       <!-- Spring 刷新Introspector防止内存泄露 -->
        <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
    </listener>
 
    <!-- Spring过滤中文字符集 -->
    <filter>
       <filter-name>SetCharacterEncoding</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>
    <!-- 要过滤的类型 -->
    <filter-mapping>
       <filter-name>SetCharacterEncoding</filter-name>
       <url-pattern>/*</url-pattern>
    </filter-mapping>
 
    <welcome-file-list>
       <welcome-file>index.jsp</welcome-file>
    </welcome-file-list>
</web-app>
 

2.2.2  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:aop="http://www.springframework.org/schema/aop" 
  xmlns:tx="http://www.springframework.org/schema/tx"  
  xmlns:jdbc="http://www.springframework.org/schema/jdbc" 
  xmlns:context="http://www.springframework.org/schema/context"
    xsi:schemaLocation="         
      http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd         
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd         
      http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-3.0.xsd         
      http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd         
      http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"
     >
     
    <!-- jdbc属性文件读入 -->
    <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
        <property name="locations">
            <list>
                <value>classpath:jdbc.properties</value>
            </list>
        </property>
    </bean>
     
    <!-- 数据库连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close">
       <property name="driverClass" value="${jdbc.driver}" />
       <property name="jdbcUrl" value="${jdbc.url}" />
       <property name="user" value="${jdbc.username}" />
       <property name="password" value="${jdbc.password}" />
      
        <!--连接池中保留的最小连接数。-->
    <property name="minPoolSize" value="5"/>
   
    <!--连接池中保留的最大连接数。Default: 15 -->
    <property name="maxPoolSize" value="30"/>
   
    <!--初始化时获取的连接数,取值应在minPoolSize与maxPoolSize之间。Default: 3 -->
    <property name="initialPoolSize" value="10"/>
   
    <!--最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 -->
    <property name="maxIdleTime" value="10"/>
   
    <!--当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 -->
    <property name="acquireIncrement" value="5"/>
   
    <!--JDBC的标准参数,用以控制数据源内加载的PreparedStatements数量。
           但由于预缓存的statements属于单个connection而不是整个连接池。所以设
           置这个参数需要考虑到多方面的因素。如果maxStatements与maxStatementsPerConnection
           均为0,则缓存被关闭。Default: 0-->
    <property name="maxStatements" value="0"/>
   
    <!--每60秒检查所有连接池中的空闲连接。Default: 0 -->
    <property name="idleConnectionTestPeriod" value="60"/>
   
    <!--定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 -->
    <property name="acquireRetryAttempts" value="30"/>
   
    <!--获取连接失败将会引起所有等待连接池来获取连接的线程抛出异常。但是数据
           源仍有效保留,并在下次调用getConnection()的时候继续尝试获取连接。如果设
           为true,那么在尝试获取连接失败后该数据源将申明已断开并永久关闭。Default: false-->
    <property name="breakAfterAcquireFailure" value="true"/>
   
    <!--因性能消耗大请只在需要的时候使用它。如果设为true那么在每个connection
           提交的时候都将校验其有效性。建议使用idleConnectionTestPeriod或automaticTestTable
           等方法来提升连接测试的性能。Default: false -->
    <property name="testConnectionOnCheckout" value="false"/>
    </bean>
   
    <!-- Mybatis's sqlSessionFactory config -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
       <property name="dataSource" ref="dataSource"></property>
       <property name="configLocation" value="classpath:mybatis-config.xml"/>      
    </bean>
   
    <bean name="transactionManager"
       class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
       <property name="dataSource" ref="dataSource"></property>
    </bean>
   
    <!-- 启用事务 -->
    <tx:advice id="txAdvice" transaction-manager="transactionManager">
       <tx:attributes>
           <tx:method name="save*" rollback-for="com.googosoft.framework.exception.CRUDException,Exception" />
      <tx:method name="create*" rollback-for="com.googosoft.framework.exception.CRUDException,Exception" />
      <tx:method name="copy*" rollback-for="com.googosoft.framework.exception.CRUDException,Exception" />
      <tx:method name="update*" rollback-for="com.googosoft.framework.exception.CRUDException,Exception" />
      <tx:method name="delete*" rollback-for="com.googosoft.framework.exception.CRUDException,Exception" />
      <tx:method name="find*" read-only="true" rollback-for="com.googosoft.framework.exception.CRUDException,Exception" />
      <tx:method name="list*" read-only="true" rollback-for="com.googosoft.framework.exception.CRUDException,Exception" />
      <tx:method name="is*" read-only="true" rollback-for="com.googosoft.framework.exception.CRUDException,Exception" />
      <tx:method name="*" read-only="true" rollback-for="com.googosoft.framework.exception.CRUDException,Exception" />
       </tx:attributes>
    </tx:advice>
   
    <!-- AOP代理设置 -->
    <aop:config>
    <aop:advisor pointcut="execution(* com.googosoft.framework.service.*.*(..))" advice-ref="txAdvice" />
    </aop:config>
 
    <!—- 自动扫描 XXXMapper.java -->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">      
       <property name="basePackage" value="com.googosoft.framework.persistence" />
    </bean>
   
  <!-- 激活annotation功能 -->
    <context:annotation-config />
   
    <context:spring-configured/>
   
</beans>
 

其中,需要注意的2个地方是:

1.    jdbc.properties文件的位置:

<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
       <property name="locations">
           <list>
               <value>classpath:jdbc.properties</value>
           </list>
       </property>
</bean>
 

这里指的是classpath的位置,如果还有文件夹,可以写成“XXX / jdbc.properties


2.    mybatis-config.xml文件的位置:

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

 与jdbc需要注意的是一样的。

2.2.3 dispatcher-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/context http://www.springframework.org/schema/context/spring-context-3.0.xsd         
      http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
      http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"
     >
 
  <!-- 扫描指定package下所有带有如@controller,@services,@resource,并把所注释的注册为Spring Beans -->
    <context:component-scan base-package="com.googosoft">
    <context:include-filter type="regex" expression="com.googosoft.framework.service.*"/>
    <context:include-filter type="regex" expression="com.googosoft.framework.web.*"/>
  </context:component-scan>
 
 
  <!-- 只能用于springMVC,用于配置springMVC的注解驱动 --> 
  <mvc:annotation-driven /> 
 
  <!-- Spring mvc视图解析器  -->                      
  <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 
      <property name="prefix" value="/view/" /> 
      <property name="suffix" value=".jsp" /> 
  </bean>  
   
</beans>
 

2.2.4 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>
 
    <!-- 运行时,参数信息 -->
    <settings>
   
       <!-- 使全局的映射器启用或禁用缓存。 -->
       <setting name="cacheEnabled" value="true"/>
      
       <!-- 全局启用或禁用延迟加载。当禁用时,所有关联对象都会即时加载。 -->
       <setting name="lazyLoadingEnabled" value="true"/>
      
       <!-- 当启用时,有延迟加载属性的对象在被调用时将会完全加载任意属性。否则,每种属性将会按需要加载。 -->
       <setting name="aggressiveLazyLoading" value="true"/>
      
       <!-- 允许或不允许多种结果集从一个单独的语句中返回(需要适合的驱动)。 -->
       <setting name="multipleResultSetsEnabled" value="true"/>
      
       <!-- 使用列标签代替列名。 -->
       <setting name="useColumnLabel" value="true"/>
      
       <!-- 允许JDBC支持生成的键。 -->
       <setting name="useGeneratedKeys" value="false"/>
      
       <!-- 指定MyBatis如何自动映射列到字段/属性。 -->
       <setting name="autoMappingBehavior" value="PARTIAL"/>
      
       <!-- 配置默认的执行器。 -->
       <setting name="defaultExecutorType" value="SIMPLE"/>
    </settings>
   
    <!-- java类别名 -->
    <typeAliases>
       <typeAlias alias="User" type="com.googosoft.framework.domain.system.User" />
       <typeAlias alias="Department" type="com.googosoft.framework.domain.system.Department" />
    </typeAliases>
   
    <!-- SQL映射语句 -->
    <mappers>
       <mapper resource="mapper/system/UserMapper.xml"/>
       <mapper resource="mapper/system/DepartmentMapper.xml"/>
    </mappers>
   
</configuration>
 

2.2.5 jdbc.properties

jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://127.0.0.1:3306/gframe?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=root
 

2.2.6 log4j.properties

log4j.rootLogger=INFO,stdout,docout
 
### print Mybatis logging
log4j.logger.org.apache.ibatis=DEBUG
log4j.logger.java.sql=DEBUG
 
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=-----------------------------------------------------------------------------------%nLevel\:[%p]%nTime\:[%d]%nClass\:[%l]%nMessage\:[%m]%n
 
log4j.appender.docout=org.apache.log4j.DailyRollingFileAppender
log4j.appender.docout.File=log/log.html
log4j.appender.docout.Append=true
log4j.appender.docout.DatePattern=yyyy-MM-dd'.html'
log4j.appender.docout.layout=org.apache.log4j.HTMLLayout
 

 

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转载自lblovesnow-163-com.iteye.com/blog/1141066