java培訓(xùn)課程之整合的配置

<?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_2_5.xsd" id="WebApp_ID" version="2.5">

?<!-- 字符編碼過(guò)濾器 -->

?<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>

?</filter>

?<filter-mapping>

??????? <filter-name>CharacterEncodingFilter</filter-name>

??????? <url-pattern>/*</url-pattern>

?</filter-mapping>

?<!-- REST 過(guò)濾器 -->

?<filter>

??????? <filter-name>HiddenHttpMethodFilter</filter-name>

??????? <filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>

?</filter>

?<filter-mapping>

??????? <filter-name>HiddenHttpMethodFilter</filter-name>

??????? <url-pattern>/*</url-pattern>

?</filter-mapping>

<!-- 實(shí)例化SpringIOC容器的監(jiān)聽(tīng)器 -->

???????? <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>

?<!-- Springmvc的前端控制器 -->

???????? <servlet>

????????????????? <servlet-name>springDispatcherServlet</servlet-name>

????????????????? <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

????????????????? <init-param>

????????????????????????? <param-name>contextConfigLocation</param-name>

????????????????????????? <param-value>classpath:springmvc.xml</param-value>

????????????????? </init-param>

????????????????? <load-on-startup>1</load-on-startup>

???????? </servlet>

???????? <servlet-mapping>

????????????????? <servlet-name>springDispatcherServlet</servlet-name>

????????????????? <url-pattern>/</url-pattern>

???????? </servlet-mapping>

</web-app>

<?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:tx="http://www.springframework.org/schema/tx"

???????? xmlns:mybatis-spring="http://mybatis.org/schema/mybatis-spring"

???????? xsi:schemaLocation="http://mybatis.org/schema/mybatis-spring http://mybatis.org/schema/mybatis-spring-1.2.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-4.0.xsd

????????????????? http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">

???????? <!-- 組件掃描 -->

???????? <context:component-scan base-package="com.atguigu.ssm">

????????????????? <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller"/>

???????? </context:component-scan>

???????? <!-- 連接池 -->

???????? <context:property-placeholder location="classpath:db.properties"/>

???????? <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">

????????????????? <property name="driverClass" value="${jdbc.driver}"></property>

????????????????? <property name="jdbcUrl" value="${jdbc.url}"></property>

????????????????? <property name="user" value="${jdbc.username}"></property>

????????????????? <property name="password" value="${jdbc.password}"></property>

???????? </bean>

???????? <!-- 事務(wù) -->

???????? <bean id="dataSourceTransactionManager"

????????????????? class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

????????????????? <property name="dataSource" ref="dataSource"></property>

???????? </bean>

??????? <tx:annotation-driven transaction-manager="dataSourceTransactionManager"/>

</beans>

<?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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.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-4.0.xsd">

? <!-- 組件掃描 -->

? <context:component-scan base-package="com.atguigu.ssm" use-default-filters="false">

???????? ? <context:include-filter type="annotation"

???????? expression="org.springframework.stereotype.Controller"/>

? </context:component-scan>

?? <!--視圖解析器 -->

?? <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

???????? <property name="prefix" value="/WEB-INF/views/"></property>

???????? <property name="suffix" value=".jsp"></property>

?? </bean>

?? <mvc:default-servlet-handler/>

?? <mvc:annotation-driven/>

</beans>

<?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>

???????? <!--? Spring 整合 MyBatis 后， MyBatis中配置數(shù)據(jù)源，事務(wù)等一些配置都可以

???????? 遷移到Spring的整合配置中。MyBatis配置文件中只需要配置與MyBatis相關(guān)

???????? 的即可。

???????? ?-->

???????? ?<!-- settings: 包含很多重要的設(shè)置項(xiàng) ???? -->

???????? ?? <settings>

???????? ??????? <!-- 映射下劃線到駝峰命名 -->

???????? ??????? <setting name="mapUnderscoreToCamelCase" value="true"/>

???????? ??????? <!-- 設(shè)置Mybatis對(duì)null值的默認(rèn)處理 -->

???????? ??????? <setting name="jdbcTypeForNull" value="NULL"/>

???????? ??????? <!-- 開(kāi)啟延遲加載 -->

???????? ??????? <setting name="lazyLoadingEnabled" value="true"/>

???????? ??????? <!-- 設(shè)置加載的數(shù)據(jù)是按需還是全部 -->

???????? ??????? <setting name="aggressiveLazyLoading" value="false"/>

???????? ??????? <!-- 配置開(kāi)啟二級(jí)緩存 -->

???????? ??????? <setting name="cacheEnabled" value="true"/>

???????? ?</settings>

</configuration>

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE mapper

PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"

"http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.atguigu.ssm.mapper.EmployeeMapper">

???????? <!-- public List<Employee> getAllEmps(); -->

???????? <select id="getAllEmps" resultMap="myEmpsAndDept" >

????????????????? select e.id eid, e.last_name,e.email,e.gender, d.id did, d.dept_name

????????????????? from tbl_employee e ,tbl_dept d

????????????????? where e.d_id = d.id

???????? </select>

???????? <resultMap type="com.atguigu.ssm.beans.Employee" id="myEmpsAndDept">

????????????????? <id column="eid" property="id"/>

????????????????? <result column="last_name" property="lastName"/>

????????????????? <result column="email" property="email"/>

????????????????? <result column="gender" property="gender"/>

????????????????? <association property="dept" javaType="com.atguigu.ssm.beans.Department">

????????????????????????? <id column="did" property="id"/>

????????????????????????? <result column="dept_name" property="departmentName"/>

????????????????? </association>

???????? </resultMap>

</mapper>

<!-- Spring 整合 Mybatis -->

???????? <!--1. SqlSession? -->

???????? <bean class="org.mybatis.spring.SqlSessionFactoryBean">

????????????????? <!-- 指定數(shù)據(jù)源 -->

????????????????? <property name="dataSource" ref="dataSource"></property>

????????????????? <!-- MyBatis的配置文件 -->

????????????????? <property name="configLocation"

???????????????? value="classpath:mybatis-config.xml"></property>

????????????????? <!-- MyBatis的SQL映射文件 -->

????????????????? <property name="mapperLocations"

???????????????? value="classpath:mybatis/mapper/*.xml"></property>

????????????????? <property name="typeAliasesPackage"

???????????????? value="com.atguigu.ssm.beans"></property>

???????? </bean>

???????? <!-- Mapper接口

????????????????? MapperScannerConfigurer 為指定包下的Mapper接口批量生成代理實(shí)現(xiàn)類(lèi).bean的默認(rèn)id是接口名首字母小寫(xiě).

???????? ?-->

???????? <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">

????????????????? <property name="basePackage" value="com.atguigu.ssm.mapper"></property>

???????? </bean>

???????? <!-- <mybatis-spring:scan base-package="com.atguigu.ssm.mapper"/> -->