SSM整合

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ssm整合分为两个配置文件:

1、   spring-mybatis.xml(spring框架整合mybatis框架)

2、spring-mvc.xml(spring整合struts2框架)

还有两个资源文件:

1、jdbc.propertis(数据库配置)

2、log4j.properties(日志)


jdbc.propertis内容:

driver=com.mysql.jdbc.Driver  url=jdbc:mysql://10.221.10.111:8080/db_zsl  username=demao  password=demao  #定义初始连接数  initialSize=0  #定义最大连接数  maxActive=20  #定义最大空闲  maxIdle=20  #定义最小空闲  minIdle=1  #定义最长等待时间  maxWait=60000  



log4j.properties内容:(通过使用Log4j,我们可以控制日志信息输送的目的地是控制台、文件、GUI组件,甚至是套接口服务器、NT的事件记录器、UNIX Syslog守护进程等;我们也可以控制每一条日志的输出格式;通过定义每一条日志信息的级别,我们能够更加细致地控制日志的生成过程

#定义LOG输出级别  log4j.rootLogger=INFO,Console,File  #定义日志输出目的地为控制台  log4j.appender.Console=org.apache.log4j.ConsoleAppender  log4j.appender.Console.Target=System.out  #可以灵活地指定日志输出格式,下面一行是指定具体的格式  log4j.appender.Console.layout = org.apache.log4j.PatternLayout  log4j.appender.Console.layout.ConversionPattern=[%c] - %m%n    #文件大小到达指定尺寸的时候产生一个新的文件  log4j.appender.File = org.apache.log4j.RollingFileAppender  #指定输出目录  log4j.appender.File.File = logs/ssm.log  #定义文件最大大小  log4j.appender.File.MaxFileSize = 10MB  # 输出所以日志,如果换成DEBUG表示输出DEBUG以上级别日志  log4j.appender.File.Threshold = ALL  log4j.appender.File.layout = org.apache.log4j.PatternLayout  log4j.appender.File.layout.ConversionPattern =[%p] [%d{yyyy-MM-dd HH\:mm\:ss}][%c]%m%n  


下面是pom.xml引入的基本jar包:

<properties>          <!-- spring版本号 -->          <spring.version>4.0.2.RELEASE</spring.version>          <!-- mybatis版本号 -->          <mybatis.version>3.2.6</mybatis.version>          <!-- log4j日志文件管理包版本 -->          <slf4j.version>1.7.7</slf4j.version>          <log4j.version>1.2.17</log4j.version>      </properties>        <dependencies>          <dependency>              <groupId>junit</groupId>              <artifactId>junit</artifactId>              <version>4.11</version>              <!-- 表示开发的时候引入,发布的时候不会加载此包 -->              <scope>test</scope>          </dependency>          <!-- spring核心包 -->          <dependency>              <groupId>org.springframework</groupId>              <artifactId>spring-core</artifactId>              <version>${spring.version}</version>          </dependency>            <dependency>              <groupId>org.springframework</groupId>              <artifactId>spring-web</artifactId>              <version>${spring.version}</version>          </dependency>          <dependency>              <groupId>org.springframework</groupId>              <artifactId>spring-oxm</artifactId>              <version>${spring.version}</version>          </dependency>          <dependency>              <groupId>org.springframework</groupId>              <artifactId>spring-tx</artifactId>              <version>${spring.version}</version>          </dependency>            <dependency>              <groupId>org.springframework</groupId>              <artifactId>spring-jdbc</artifactId>              <version>${spring.version}</version>          </dependency>            <dependency>              <groupId>org.springframework</groupId>              <artifactId>spring-webmvc</artifactId>              <version>${spring.version}</version>          </dependency>          <dependency>              <groupId>org.springframework</groupId>              <artifactId>spring-aop</artifactId>              <version>${spring.version}</version>          </dependency>            <dependency>              <groupId>org.springframework</groupId>              <artifactId>spring-context-support</artifactId>              <version>${spring.version}</version>          </dependency>            <dependency>              <groupId>org.springframework</groupId>              <artifactId>spring-test</artifactId>              <version>${spring.version}</version>          </dependency>          <!-- mybatis核心包 -->          <dependency>              <groupId>org.mybatis</groupId>              <artifactId>mybatis</artifactId>              <version>${mybatis.version}</version>          </dependency>          <!-- mybatis/spring包 -->          <dependency>              <groupId>org.mybatis</groupId>              <artifactId>mybatis-spring</artifactId>              <version>1.2.2</version>          </dependency>          <!-- 导入java ee jar 包 -->          <dependency>              <groupId>javax</groupId>              <artifactId>javaee-api</artifactId>              <version>7.0</version>          </dependency>          <!-- 导入Mysql数据库链接jar包 -->          <dependency>              <groupId>mysql</groupId>              <artifactId>mysql-connector-java</artifactId>              <version>5.1.30</version>          </dependency>          <!-- 导入dbcp的jar包,用来在applicationContext.xml中配置数据库 -->          <dependency>              <groupId>commons-dbcp</groupId>              <artifactId>commons-dbcp</artifactId>              <version>1.2.2</version>          </dependency>          <!-- JSTL标签类 -->          <dependency>              <groupId>jstl</groupId>              <artifactId>jstl</artifactId>              <version>1.2</version>          </dependency>          <!-- 日志文件管理包 -->          <!-- log start -->          <dependency>              <groupId>log4j</groupId>              <artifactId>log4j</artifactId>              <version>${log4j.version}</version>          </dependency>                              <!-- 格式化对象,方便输出日志 -->          <dependency>              <groupId>com.alibaba</groupId>              <artifactId>fastjson</artifactId>              <version>1.1.41</version>          </dependency>              <dependency>              <groupId>org.slf4j</groupId>              <artifactId>slf4j-api</artifactId>              <version>${slf4j.version}</version>          </dependency>            <dependency>              <groupId>org.slf4j</groupId>              <artifactId>slf4j-log4j12</artifactId>              <version>${slf4j.version}</version>          </dependency>          <!-- log end -->          <!-- 映入JSON -->          <dependency>              <groupId>org.codehaus.jackson</groupId>              <artifactId>jackson-mapper-asl</artifactId>              <version>1.9.13</version>          </dependency>          <!-- 上传组件包 -->          <dependency>              <groupId>commons-fileupload</groupId>              <artifactId>commons-fileupload</artifactId>              <version>1.3.1</version>          </dependency>          <dependency>              <groupId>commons-io</groupId>              <artifactId>commons-io</artifactId>              <version>2.4</version>          </dependency>          <dependency>              <groupId>commons-codec</groupId>              <artifactId>commons-codec</artifactId>              <version>1.9</version>          </dependency>                          </dependencies>  


所有需要的JAR包都引入以后,首先进行Spring与MyBatis的整合:(主要的就是自动扫描,自动注入,配置数据库

spring-mybatis.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-3.1.xsd                            http://www.springframework.org/schema/context                            http://www.springframework.org/schema/context/spring-context-3.1.xsd                            http://www.springframework.org/schema/mvc                            http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">      <!-- 自动扫描 -->      <context:component-scan base-package="com.cn.hnust" />      <!-- 引入配置文件 -->      <bean id="propertyConfigurer"          class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">          <property name="location" value="classpath:jdbc.properties" />      </bean>        <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"          destroy-method="close">          <property name="driverClassName" value="${driver}" />          <property name="url" value="${url}" />          <property name="username" value="${username}" />          <property name="password" value="${password}" />          <!-- 初始化连接大小 -->          <property name="initialSize" value="${initialSize}"></property>          <!-- 连接池最大数量 -->          <property name="maxActive" value="${maxActive}"></property>          <!-- 连接池最大空闲 -->          <property name="maxIdle" value="${maxIdle}"></property>          <!-- 连接池最小空闲 -->          <property name="minIdle" value="${minIdle}"></property>          <!-- 获取连接最大等待时间 -->          <property name="maxWait" value="${maxWait}"></property>      </bean>        <!-- spring和MyBatis完美整合,不需要mybatis的配置映射文件 -->      <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">          <property name="dataSource" ref="dataSource" />          <!-- 自动扫描mapping.xml文件 -->          <property name="mapperLocations" value="classpath:com/cn/hnust/mapping/*.xml"></property>      </bean>        <!-- DAO接口所在包名,Spring会自动查找其下的类 -->      <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">          <property name="basePackage" value="com.cn.hnust.dao" />          <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>      </bean>        <!-- (事务管理)transaction manager, use JtaTransactionManager for global tx -->      <bean id="transactionManager"          class="org.springframework.jdbc.datasource.DataSourceTransactionManager">          <property name="dataSource" ref="dataSource" />      </bean>    </beans>  

配置spring-mvc.xml:(主要是自动扫描控制器,视图模式,注解的启动这三个

<?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-3.1.xsd                            http://www.springframework.org/schema/context                            http://www.springframework.org/schema/context/spring-context-3.1.xsd                            http://www.springframework.org/schema/mvc                            http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">      <!-- 自动扫描该包,使SpringMVC认为包下用了@controller注解的类是控制器 -->      <context:component-scan base-package="com.cn.hnust.controller" />      <!--避免IE执行AJAX时,返回JSON出现下载文件 -->      <bean id="mappingJacksonHttpMessageConverter"          class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter">          <property name="supportedMediaTypes">              <list>                  <value>text/html;charset=UTF-8</value>              </list>          </property>      </bean>      <!-- 启动SpringMVC的注解功能,完成请求和注解POJO的映射 -->      <bean          class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">          <property name="messageConverters">              <list>                  <ref bean="mappingJacksonHttpMessageConverter" /> <!-- JSON转换器 -->              </list>          </property>      </bean>      <!-- 定义跳转的文件的前后缀 ,视图模式配置-->      <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">          <!-- 这里的配置我的理解是自动给后面action的方法return的字符串加上前缀和后缀,变成一个 可用的url地址 -->          <property name="prefix" value="/WEB-INF/jsp/" />          <property name="suffix" value=".jsp" />      </bean>            <!-- 配置文件上传,如果没有使用文件上传可以不用配置,当然如果不配,那么配置文件中也不必引入上传组件包 -->      <bean id="multipartResolver"            class="org.springframework.web.multipart.commons.CommonsMultipartResolver">            <!-- 默认编码 -->          <property name="defaultEncoding" value="utf-8" />            <!-- 文件大小最大值 -->          <property name="maxUploadSize" value="10485760000" />            <!-- 内存中的最大值 -->          <property name="maxInMemorySize" value="40960" />        </bean>     </beans>  


配置web.xml:( 这里面对spring-mybatis.xml的引入以及配置的spring-mvc的Servlet就是为了完成SSM整合,之前2框架整合不需要在此处进行任何配置
<?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_3_0.xsd"      version="3.0">      <display-name>Archetype Created Web Application</display-name>      <!-- Spring和mybatis的配置文件 -->      <context-param>          <param-name>contextConfigLocation</param-name>          <param-value>classpath:spring-mybatis.xml</param-value>      </context-param>      <!-- 编码过滤器 -->      <filter>          <filter-name>encodingFilter</filter-name>          <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>          <async-supported>true</async-supported>          <init-param>              <param-name>encoding</param-name>              <param-value>UTF-8</param-value>          </init-param>      </filter>      <filter-mapping>          <filter-name>encodingFilter</filter-name>          <url-pattern>/*</url-pattern>      </filter-mapping>      <!-- Spring监听器 -->      <listener>          <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>      </listener>      <!-- 防止Spring内存溢出监听器 -->      <listener>          <listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>      </listener>        <!-- Spring MVC servlet -->      <servlet>          <servlet-name>SpringMVC</servlet-name>          <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>          <init-param>              <param-name>contextConfigLocation</param-name>              <param-value>classpath:spring-mvc.xml</param-value>          </init-param>          <load-on-startup>1</load-on-startup>          <async-supported>true</async-supported>      </servlet>      <servlet-mapping>          <servlet-name>SpringMVC</servlet-name>          <!-- 此处可以可以配置成*.do,对应struts的后缀习惯 -->          <url-pattern>/</url-pattern>      </servlet-mapping>      <welcome-file-list>          <welcome-file>/index.jsp</welcome-file>      </welcome-file-list>    </web-app>  






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