web.xml配置文件
<?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"> <display-name></display-name> <welcome-file-list> <welcome-file>/WEB-INF/view/welcome.jsp</welcome-file> </welcome-file-list> <!-- 配置加载Spring配置文件路径 --> <!-- <context-param>--> <!-- <param-name>contextConfigLocation</param-name>--> <!-- <param-value>/WEB-INF/applicationContext.xml</param-value>--> <!-- </context-param>--> <!-- 默认的spring配置文件是在WEB-INF下的applicationContext.xml Spring 容器启动监听器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <!-- 配置字符过滤器 --> <filter> <filter-name>Set Character Encoding</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> <!-- 强制进行转码 --> </init-param> </filter> <filter-mapping> <filter-name>Set Character Encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 配置 Spring view分发器 --> <servlet> <servlet-name>dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 配置初始配置化文件,前面contextConfigLocation看情况二选一 --> <init-param> <param-name>contextConfigLocation</param-name> <param-value> /WEB-INF/applicationContext.xml, /WEB-INF/config/dispatcher-servlet.xml </param-value> </init-param> <!-- 启动加载一次 --> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcher</servlet-name> <!-- 这里可以用 / 但不能用 /* ,拦截了所有请求会导致静态资源无法访问 --> <url-pattern>/</url-pattern> </servlet-mapping> <!-- 设置session超时 --> <session-config> <session-timeout>30</session-timeout> </session-config> <!-- 配置异常页面 --> <error-page> <error-code>404</error-code> <location>/error_page.jsp</location> </error-page> <error-page> <error-code>500</error-code> <location>/error_page.jsp</location> </error-page> <!-- 配置要使用到的标签 --> <jsp-config> <taglib> <taglib-uri>http://www.springframework.org/tags</taglib-uri> <taglib-location>/WEB-INF/tld/spring.tld</taglib-location> </taglib> <taglib> <taglib-uri>http://java.sun.com/jsp/jstl/core</taglib-uri> <taglib-location>/WEB-INF/tld/c.tld</taglib-location> </taglib> </jsp-config> </web-app>
applicationContext.xml Spring配置文件
<?xml version="1.0" encoding="UTF-8" standalone="no"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" default-autowire="byName" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-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/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"> <!-- 加载读取properties配置文件参数 --> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="location"> <value>/WEB-INF/jdbc.properties</value> </property> </bean> <!-- 导入属性配置文件 --> <!--< context:property-placeholder location = "classpath:jdbc.properties" /> --> <!-- 配置数据库连接池,使用dbcp --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${jdbc.driverClassName}"></property> <property name="url" value="${jdbc.databaseurl}"></property> <property name="username" value="${jdbc.username}"></property> <property name="password" value="${jdbc.password}"></property> <!-- 连接池启动时的初始值 --> <property name="initialSize" value="1" /> <!-- 连接池的最大值 --> <property name="maxActive" value="500" /> <!-- 最大空闲值.当经过一个高峰时间后, 连接池可以慢慢将已经用不到的连接慢慢释放一部分,一直减少到maxIdle为止 --> <property name="maxIdle" value="2" /> <!-- 最小空闲值.当空闲的连接数少于阀值时, 连接池就会预申请去一些连接,以免洪峰来时来不及申请 --> <property name="minIdle" value="1" /> </bean> <!-- MyBatis定义数据源,同意加载配置 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="configLocation" value="/WEB-INF/config/mybatis_config.xml" /> <property name="dataSource" ref="dataSource" /> <!-- <property name="mapperLocations" value="classpath*:mappers-*.xml" /> --> </bean> <bean id="userInfoDao" class="org.mybatis.spring.mapper.MapperFactoryBean"> <property name="mapperInterface" value="com.skillmuster.core.dao.UserMapper" /> <property name="sqlSessionFactory" ref="sqlSessionFactory" /> </bean> <!-- 可配置多个这样的接口映射 --> <!--<bean id="userInfoDao" class="org.mybatis.spring.mapper.MapperFactoryBean">--> <!-- <property name="mapperInterface" value="com.skillmuster.core.dao.UserMapper2" />--> <!-- <property name="sqlSessionFactory" ref="sqlSessionFactory" />--> <!--</bean>--> <!-- MyBatis 映射配置,如果接口和mybatis映射文件在同一路径下且命名相同,可采用自动扫描包的方式来注册各种Mapper --> <!--<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">--> <!-- <property name="basePackage" value="com.skillmuster.core.dao"/>--> <!-- markerInterface接口的子接口都参与到这个扫描 --> <!-- <property name="markerInterface" value="com.skillmuster.cor.dao.UserMapper" /> --> <!--</bean>--> <!-- 配置事物管理 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!-- 申明事务通知 --> <tx:advice id="txAdivice" transaction-manager="transactionManager"> <tx:attributes> <tx:method name="insert*" isolation="READ_COMMITTED" propagation="REQUIRED" rollback-for="Exception" /> <tx:method name="query*" propagation="NOT_SUPPORTED" isolation="DEFAULT" rollback-for="java.io.IOException" no-rollback-for="java.lang.ArithmeticException,java.lang.*" timeout="30" read-only="true" /> </tx:attributes> </tx:advice> <!-- 将通知和切入点联接 --> <aop:config> <!-- 分开配置 --> <!-- <aop:pointcut expression="execution(* com.iss.is.service.impl..*.*(..))" id="allServiceMethod" /> --> <!-- <aop:advisor advice-ref="txAdivice" pointcut-ref="allServiceMethod" />--> <!-- 一起配置 --> <!-- <aop:advisor advice-ref="txAdivice" pointcut="exection(* com.skillmuster.core.service.*ServiceImpl.*(..))" />--> </aop:config> </beans>
dispatcher-servlet Spring MVC配置文件
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-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/context http://www.springframework.org/schema/context/spring-context-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd" default-autowire="byName"> <!-- default-autowire="byName",约定优于配置 --> <!-- @Controller 请求映射注解扫描,必须加上这个,不然请求controller时会出现no mapping url错误--> <mvc:annotation-driven /> <!-- 配置静态资源,直接映射到对应的文件夹,不被DispatcherServlet处理,3.04新增功能,需要重新设置spring-mvc-3.0.xsd --> <mvc:resources mapping="/img/**" location="/img/"/> <mvc:resources mapping="/js/**" location="/js/"/> <mvc:resources mapping="/css/**" location="/css/"/> <mvc:resources mapping="/html/**" location="/html/"/> <!-- ①:注解扫描,对包中的所有类进行扫描,以完成Bean创建和自动依赖注入的功能 --> <context:component-scan base-package="com.skillmuster.core" /> <!-- ②:启动Spring MVC的注解功能,完成请求和注解POJO的映射,//添加拦截器,类级别的处理器映射 --> <!-- <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"> --> <!-- <property name="interceptors">--> <!-- <list>--> <!-- <bean class="com.fsj.spring.util.MyHandlerInterceptor"/>--> <!-- </list>--> <!-- </property>--> <!-- <property name="order"><value>1</value></property> --> <!-- </bean> --> <!-- <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> --> <property name="cacheSeconds" value="0" /> <!-- 配置一下对json数据的转换 --> <!-- <property name="messageConverters">--> <!-- <list>--> <!-- <bean class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"></bean>--> <!-- </list>--> <!-- </property>--> <!-- </bean> --> <!-- ③:对模型视图名称的解析,即在模型视图名称添加前后缀 InternalResourceViewResolver默认的就是JstlView所以这里就不用配置viewClass了 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <!-- p:prefix="/WEB-INF/view/" p:suffix=".jsp" />--> <property name="prefix" value="/WEB-INF/view/" /> <property name="suffix" value=".jsp" /> </bean> <!-- spring2.0的配置处理方式 --> <!-- 处理器映射,它将收到的HTTP请求映射到bean的名字上 --> <!-- <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping">--> <!-- <property name="order"><value>1</value></property>--> <!-- </bean>--> <!-- 视图解析器 --> <!-- <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">--> <!-- <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />--> <!-- <property name="contentType">--> <!-- <value>text/html;charset=UTF-8</value>--> <!-- </property>--> <!-- 页面路径 --> <!-- <property name="prefix" value="/WEB-INF/pages/" />--> <!-- <property name="suffix" value=".jsp" />--> <!-- </bean> --> <!-- Controller配置 --> <!-- <bean name="/saveStudent.do" class="com.iss.is.web.controller.demo.student.SaveStudentController">--> <!-- <property name="studentService">--> <!-- <ref local="studentService"/>--> <!-- </property>--> <!-- <property name="commandClass">--> <!-- <value>com.iss.is.dto.StudentDTO</value>--> <!-- </property>--> <!-- --> <!-- </bean> --> </beans>
jdbc.properties
jdbc.driverClassName=com.mysql.jdbc.Driver jdbc.databaseurl=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8 jdbc.username=root jdbc.password=123
mybatis-config.xml MyBatis总配置文件
<?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> <!-- 实体类,简称 --> <typeAliases> <typeAlias alias="userinfo" type="com.skillmuster.core.pojo.User" /> </typeAliases> <!-- 实体接口映射资源 --> <mappers> <mapper resource="com/skillmuster/core/dao/UserMapper.xml"/> </mappers> </configuration>
UserMapper.xml
<?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.skillmuster.core.dao.UserMapper"> <resultMap type="userinfo" id="userResultMap"> <id property="id" column="id" /> <result property="username" column="username" /> <result property="password" column="password" /> </resultMap> <insert id="insertUser" parameterType="userinfo"> <![CDATA[ insert into user(username,password) values(#{username},#{password}) ]]> </insert> <!-- mybsits_config中配置的alias类别名,也可直接配置resultType为类路劲 --> <select id="getUser" resultType="userinfo"> select * from user </select> <!-- 当使用该Mybatis与Spring整合的时候,该文件必须和相应的Mapper接口文件同名,并在同一路径下 --> </mapper>
UserMapper 映射接口
public interface UserMapper { void insertUser(User user); List<User> getUser(); }