SSM框架整合小结
2016-05-14 15:27
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项目配置文件
![](https://images2015.cnblogs.com/blog/824490/201702/824490-20170215001349941-220707638.png)
一个SSM框架基本的依赖
首先明白为什么要整合:
一.让spring管理sessionfactory
二.声明式事务管理
明白了这两点,需要哪些配置就很明了了~
1.首先肯定是需要mybatis的配置文件
mybatis-config.xml
2.让spring管理sessionfactory
spring-dal.xml(dal:数据访问层)
3.上面我们能看到,需要数据源
spring-datasource.xml
4.上面我们看到,需要properties文件
jdbc.properties
5.肯定要加载这些properties文件呀
spring-properties.xml
6.声明式事务管理
spring-tx.xml
看源码可以知道DataSourceTransactionManager只依赖数据源。
7.组件扫描
spring-web.xml
8.spring与mybatis整合完了,现在要加入springmvc了
dispatcher-servlet.xml
9.最后是配置web.xml
Spring的父容器是由ContextLoaderListener初始化的。
Spring的子容器是由DispatcherServlet初始化的。
![](https://images2015.cnblogs.com/blog/824490/201707/824490-20170723102319856-625117218.png)
访问规则是:父容器不能访问子容器中的对象,但是子容器可以访问父容器中的对象,所以如果你将事务配置在父容器中,但是service是用子容器扫描的,那么你的事务将不会生效。
![](https://images2015.cnblogs.com/blog/824490/201702/824490-20170215001349941-220707638.png)
一个SSM框架基本的依赖
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.winner</groupId> <artifactId>web-base</artifactId> <packaging>war</packaging> <version>1.0-SNAPSHOT</version> <name>web-base Maven Webapp</name> <url>http://maven.apache.org</url> <!-- 集中定义依赖版本号 --> <properties> <!--和当前项目使用的jdk版本保持一致--> <java-version>1.7</java-version> <junit.version>4.12</junit.version> <spring.version>4.1.3.RELEASE</spring.version> <mybatis.version>3.2.8</mybatis.version> <mybatis.spring.version>1.2.2</mybatis.spring.version> <mybatis.paginator.version>1.2.15</mybatis.paginator.version> <mysql.version>5.1.32</mysql.version> <logback.version>1.1.7</logback.version> <jackson.version>2.4.2</jackson.version> <druid.version>1.0.9</druid.version> <httpclient.version>4.3.5</httpclient.version> <jstl.version>1.2</jstl.version> <servlet-api.version>2.5</servlet-api.version> <jsp-api.version>2.0</jsp-api.version> <joda-time.version>2.5</joda-time.version> <commons-lang3.version>3.3.2</commons-lang3.version> <commons-io.version>1.3.2</commons-io.version> <commons-net.version>3.3</commons-net.version> <pagehelper.version>3.4.2-fix</pagehelper.version> <jsqlparser.version>0.9.1</jsqlparser.version> <commons-fileupload.version>1.3.1</commons-fileupload.version> <jedis.version>2.7.2</jedis.version> <solrj.version>4.10.3</solrj.version> <freemarker.version>2.3.23</freemarker.version> <quartz.version>2.2.2</quartz.version> </properties> <dependencies> <!-- 时间操作组件 --> <dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> <version>${joda-time.version}</version> </dependency> <!-- Apache工具组件 --> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>${commons-lang3.version}</version> </dependency> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-io</artifactId> <version>${commons-io.version}</version> </dependency> <dependency> <groupId>commons-net</groupId> <artifactId>commons-net</artifactId> <version>${commons-net.version}</version> </dependency> <!-- Jackson Json处理工具包 --> <!--只需要这一个就可以了--> <!--不用再引入core和annotations--> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>${jackson.version}</version> </dependency> <!-- httpclient --> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>${httpclient.version}</version> </dependency> <!-- 单元测试 --> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>${junit.version}</version> <scope>test</scope> </dependency> <!-- 日志处理 --> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>${logback.version}</version> </dependency> <!-- Mybatis --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>${mybatis.version}</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>${mybatis.spring.version}</version> </dependency> <!-- MySql --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>${mysql.version}</version> </dependency> <!-- 连接池 --> <dependency> <groupId>com.alibaba</groupId> <artifactId>druid</artifactId> <version>${druid.version}</version> </dependency> <!-- Spring --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aspects</artifactId> <version>${spring.version}</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>${spring.version}</version> </dependency> <!-- JSP相关 --> <dependency> <groupId>jstl</groupId> <artifactId>jstl</artifactId> <version>${jstl.version}</version> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>${servlet-api.version}</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet</groupId> <artifactId>jsp-api</artifactId> <version>${jsp-api.version}</version> <scope>provided</scope> </dependency> <!-- 文件上传组件 --> <dependency> <groupId>commons-fileupload</groupId> <artifactId>commons-fileupload</artifactId> <version>${commons-fileupload.version}</version> </dependency> <!-- Redis客户端 --> <dependency> <groupId>redis.clients</groupId> <artifactId>jedis</artifactId> <version>${jedis.version}</version> </dependency> <!-- solr客户端 --> <dependency> <groupId>org.apache.solr</groupId> <artifactId>solr-solrj</artifactId> <version>${solrj.version}</version> </dependency> <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.8</version> </dependency> <dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>20.0</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjrt</artifactId> <version>1.6.11</version> </dependency> <dependency> <groupId>org.aspectj</groupId> <artifactId>aspectjweaver</artifactId> <version>1.6.11</version> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>1.16.18</version> </dependency> </dependencies> <build> <finalName>${project.artifactId}</finalName> <plugins> <plugin> <groupId>org.apache.tomcat.maven</groupId> <artifactId>tomcat7-maven-plugin</artifactId> <configuration> <path>/</path> <port>8081</port> <uriEncoding>UTF-8</uriEncoding> </configuration> </plugin> <!--Java编译插件--> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.2</version> <configuration> <source>${java-version}</source> <target>${java-version}</target> <encoding>UTF-8</encoding> </configuration> </plugin> </plugins> </build> </project>
首先明白为什么要整合:
一.让spring管理sessionfactory
二.声明式事务管理
明白了这两点,需要哪些配置就很明了了~
1.首先肯定是需要mybatis的配置文件
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> </configuration>
2.让spring管理sessionfactory
spring-dal.xml(dal:数据访问层)
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <!-- 让spring管理sqlsessionfactory 使用mybatis和spring整合包中的 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <!-- 数据库连接池 --> <property name="dataSource" ref="dataSource"/> <!-- 加载mybatis的全局配置文件 --> <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/> <!--mybatis映射文件--> <property name="mapperLocations" value="classpath:mybatis/mapper/*.xml"/> </bean> <!--mapper接口的扫描器--> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.winner.mapper"/> </bean> </beans>
public class SqlSessionFactoryBean implements FactoryBean<SqlSessionFactory>, InitializingBean, ApplicationListener<ApplicationEvent> { //..... private Resource configLocation;//mybatis主配置文件的位置 private Resource[] mapperLocations;//mybatis映射文件的位置 private DataSource dataSource;//数据源 //...... }
3.上面我们能看到,需要数据源
spring-datasource.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <!-- 数据库连接池 --> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close"> <property name="url" value="${jdbc.url}"/> <property name="username" value="${jdbc.username}"/> <property name="password" value="${jdbc.password}"/> <property name="driverClassName" value="${jdbc.driver}"/> <property name="maxActive" value="10"/> <property name="minIdle" value="5"/> </bean> </beans>
4.上面我们看到,需要properties文件
jdbc.properties
jdbc.driver=com.mysql.jdbc.Driver jdbc.url=jdbc:mysql://localhost:3306/test?zeroDateTimeBehavior=convertToNull&autoReconnect=true&useUnicode=true&characterEncoding=utf-8 jdbc.username=root jdbc.password=root
5.肯定要加载这些properties文件呀
spring-properties.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <!--使用spring自带的占位符替换功能--> <bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <!--允许JVM参数覆盖--> <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/> <!--忽略没有找到的资源文件--> <property name="ignoreResourceNotFound" value="true"/> <!--配置资源文件--> <property name="locations"> <list> <value>classpath:properties/jdbc.properties</value> </list> </property> </bean> </beans>
6.声明式事务管理
spring-tx.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <!-- 事务管理器 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <!-- 数据源 --> <property name="dataSource" ref="dataSource"/> </bean> <!--基于注解--> <tx:annotation-driven transaction-manager="transactionManager"/> </beans>
看源码可以知道DataSourceTransactionManager只依赖数据源。
7.组件扫描
spring-web.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> <!-- 包扫描器,扫描带@Service注解的类 --> <context:component-scan base-package="com.winner.service"></context:component-scan> </beans>
8.spring与mybatis整合完了,现在要加入springmvc了
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:p="http://www.springframework.org/schema/p" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!-- 配置包扫描器,扫描controller --> <context:component-scan base-package="com.winner.controller"></context:component-scan> <!-- 配置注解驱动 --> <mvc:annotation-driven/> <mvc:resources mapping="/js/**" location="/js/"/> <mvc:resources mapping="/css/**" location="/css/"/> <!-- 视图解析器 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/views/"/> <property name="suffix" value=".jsp"/> </bean> </beans>
9.最后是配置web.xml
<?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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" id="taotao" version="2.5"> <display-name>taotao-manager</display-name> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> <welcome-file>default.html</welcome-file> <welcome-file>default.htm</welcome-file> <welcome-file>default.jsp</welcome-file> </welcome-file-list> <!-- 初始化spring容器,业务层和持久层的spring配置文件,这些配置文件由Spring父容器使用 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/spring-*.xml</param-value> </context-param> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <!-- 解决post乱码 --> <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> <!-- springmvc的前端控制器 --> <servlet> <servlet-name>winner-manager</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- contextConfigLocation不是必须的, 如果不配置contextConfigLocation, springmvc的配置文件默认在:WEB-INF/servlet的name+"-servlet.xml" --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:spring/dispatcher-servlet.xml</param-value> </init-param> <!--注意顺序--> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>winner-manager</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> </web-app>
Spring的父容器是由ContextLoaderListener初始化的。
Spring的子容器是由DispatcherServlet初始化的。
![](https://images2015.cnblogs.com/blog/824490/201707/824490-20170723102319856-625117218.png)
访问规则是:父容器不能访问子容器中的对象,但是子容器可以访问父容器中的对象,所以如果你将事务配置在父容器中,但是service是用子容器扫描的,那么你的事务将不会生效。
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