spring+mybatis项目的搭建
我用的eclipse直接生成的springMVC项目，自动生成了root-context.xml和servlet-context.xml这两个文件
首先来看servlet-context.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans:beans xmlns="http://www.springframework.org/schema/mvc"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:beans="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<!-- DispatcherServlet Context: defines this servlet's request-processing infrastructure -->
<!-- Enables the Spring MVC @Controller programming model -->
<annotation-driven />
<!-- Handles HTTP GET requests for /resources/** by efficiently serving up static resources in the ${webappRoot}/resources directory -->
<resources mapping="/assets/**" location="/WEB-INF/assets/" />
<!-- Resolves views selected for rendering by @Controllers to .jsp resources in the /WEB-INF/views directory -->
<beans:bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<beans:property name="prefix" value="/WEB-INF/views/" />
<beans:property name="suffix" value=".jsp" />
</beans:bean>
<context:component-scan base-package="com.ldl.customize.controller" />
</beans:beans>
<resources mapping="/assets/**" location="/WEB-INF/assets/" />访问静态资源用的
注解之类的都是自动扫描，免去了一个个的配置
root-context.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:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
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/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd">
<!-- Root Context: defines shared resources visible to all other web components -->
<bean id="log-filter" class="com.alibaba.druid.filter.logging.Log4jFilter">
<property name="statementExecutableSqlLogEnable" value="true" />
</bean>
<!-- 数据库连接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
init-method="init" destroy-method="close">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://192.168.200.64:3306/customize" />
<property name="username" value="root" />
<property name="password" value="root" />
<!-- 配置初始化大小、最小、最大 -->
<property name="initialSize" value="3" />
<property name="minIdle" value="1" />
<property name="maxActive" value="50" />
<!-- 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="validationQuery" value="SELECT 'x'" />
<property name="testWhileIdle" value="true" />
<property name="testOnBorrow" value="false" />
<property name="testOnReturn" value="false" />
<!-- 打开PSCache，并且指定每个连接上PSCache的大小 -->
<!-- <property name="poolPreparedStatements" value="true" />
<property name="maxPoolPreparedStatementPerConnectionSize" value="20" /> -->
<!-- 配置监控统计拦截的filters，去掉后监控界面sql无法统计 -->
<property name="filters" value="stat" />
<!-- 配置输出日志输出可执行的SQL -->
<property name="proxyFilters">
<list>
<ref bean="log-filter"/>
</list>
</property>
</bean>
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean" >
<property name="dataSource">
<ref bean="dataSource" />
</property>
<!-- MyBatis 的 XML 配置文件路径 -->
<property name="configLocation" value="classpath:sqlMapConfig.xml" />
<!-- 扫描自动生成的xml文件 --><!-- Mybatis XML映射文件 -->
<property name="mapperLocations" >
<list><!-- Mybatis XML映射文件 -->
<value>classpath*:com/ldl/customize/mapper/*.xml</value>
<!-- 扫描自己写的xml文件-->
<!-- <value>classpath*:com/weshare/*/api/xml/*.xml</value> -->
</list>
</property>
</bean>
<bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
<constructor-arg index="0" ref="sqlSessionFactory"></constructor-arg>
</bean>
<!-- 扫描mybatisGenerator 自动生成的 所有接口-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer" >
<property name="basePackage" value="com.ldl.customize.dao" ></property>
</bean>
<!-- 数据库事务策略-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource">
<ref bean="dataSource" />
</property>
</bean>
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<!--
<tx:method name="save*" propagation="REQUIRED" />
<tx:method name="ins*" propagation="REQUIRED" />
<tx:method name="del*" propagation="REQUIRED" />
<tx:method name="update*" propagation="REQUIRED" />
<tx:method name="find*" read-only="true" />
<tx:method name="get*" read-only="true" />
<tx:method name="select*" read-only="true" />
-->
<tx:method name="*" propagation="REQUIRED" />
</tx:attributes>
</tx:advice>
</beans>
sqlMapConfig.xml mybatis的配置文件
<?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="false" />
<!-- 查询时，关闭关联对象即时加载以提高性能 -->
<setting name="lazyLoadingEnabled" value="false" />
<!-- 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>
</configuration>
generatorConfig.xml mybatis自动生成代码的配置
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE generatorConfiguration PUBLIC "-//mybatis.org//DTD MyBatis Generator Configuration 1.0//EN" "http://mybatis.org/dtd/mybatis-generator-config_1_0.dtd"> <generatorConfiguration> <classPathEntry location="D:\develop\apache-maven-3.2.1\repo\m2\mysql\mysql-connector-java\5.1.30\mysql-connector-java-5.1.30.jar" /> <context id="MysqlTables" targetRuntime="MyBatis3"> <commentGenerator> <property name="suppressAllComments" value="true" /> </commentGenerator> <jdbcConnection driverClass="com.mysql.jdbc.Driver" connectionURL="jdbc:mysql://192.168.200.64:3306/customize" userId="root" password="root"> </jdbcConnection> <javaTypeResolver> <property name="forceBigDecimals" value="false" /> </javaTypeResolver> <javaModelGenerator targetPackage="com.ldl.customize.entity" targetProject="src\main\java"> <property name="enableSubPackages" value="true" /> <property name="trimStrings" value="true" /> </javaModelGenerator> <sqlMapGenerator targetPackage="com.ldl.customize.mapper" targetProject="src\main\resources"> <property name="enableSubPackages" value="false" /> </sqlMapGenerator> <javaClientGenerator type="XMLMAPPER" targetPackage="com.ldl.customize.dao" targetProject="src\main\java"> <property name="enableSubPackages" value="true" /> <property name="exampleMethodVisibility" value="public" /> </javaClientGenerator> <table tableName="user" domainObjectName="User"> <property name="useActualColumnNames" value="false"/> </table> <table tableName="login_info" domainObjectName="LoginInfo"> <property name="useActualColumnNames" value="false"/> </table> </context> </generatorConfiguration>
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.3.2</version>
<configuration>
<verbose>true</verbose>
<overwrite>true</overwrite>
</configuration>
</plugin>
