
ssm整合
??閱讀原文請訪問我的博客brightloong's blog
??SSM框架廉邑,既是Sping + Spring MVC + Mybatis盗飒,本篇博文主要是作為本人的備忘,記錄如何整合SSM框架择份,以及如何集成單元測試,關于每一個配置的作用大都加上了注釋棒搜,至于如何搭建項目這里不在贅述(我使用的是web項目)傍药,可以自己查找相關資料。我使用的Spring版本是4.1.3.RELEASE靴姿,Mybatis版本是3.3.0沃但,使用Maven進行構建。
注意:首先申明如下的配置是根據我的目錄結構來配置的佛吓,我的目錄結構如下所示:

使用Maven添加相關jar包宵晚。
關于pom.xml的配置如下。
<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/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>ssm_test</groupId>
<artifactId>ssm_test</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>ssm_test</name>
<description />
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<!--配置依賴包 -->
<dependencies>
<!-- https://mvnrepository.com/artifact/junit/junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.10</version>
</dependency>
<!-- 1.日志维雇,slf4j規(guī)范 日志實現(xiàn):log4j,logback,commin-logging 使用:slf4j + logback -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.12</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>1.1.1</version>
</dependency>
<!-- 實現(xiàn)slf4j接口并整合 -->
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-classic</artifactId>
<version>1.1.1</version>
</dependency>
<!-- 2.數據庫相關依賴 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.7</version>
</dependency>
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.2</version>
</dependency>
<!-- 3.dao mybatis依賴 -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.3.0</version>
</dependency>
<!-- mybatis自身實現(xiàn)的整合spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.3</version>
</dependency>
<!-- 4.servelet web 相關依賴 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.5.4</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<!-- 5.spring的依賴 -->
<!-- 1)spring核心依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>4.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>4.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>4.1.3.RELEASE</version>
</dependency>
<!-- spring aop 相關 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>4.1.3.RELEASE</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>
<!-- 2)spring dao層依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>4.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>4.1.3.RELEASE</version>
</dependency>
<!-- 3)spring web依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>4.1.3.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>4.1.3.RELEASE</version>
</dependency>
<!-- 4)spring test依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>4.1.3.RELEASE</version>
</dependency>
<!-- junit依賴 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
</dependency>
</dependencies>
<build>
<sourceDirectory>src</sourceDirectory>
<resources>
<resource>
<directory>src</directory>
<excludes>
<exclude>**/*.java</exclude>
</excludes>
</resource>
</resources>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.2</version>
<configuration>
<warSourceDirectory>${basedir}/WebRoot</warSourceDirectory>
<version>3.0</version>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>
</project>
SSM整合配置
為了使配置層次清楚淤刃,結構清晰,我把配置按照web吱型、service和dao分別分為spring-web.xml逸贾、spring-service.xml和spirng-dao.xml,下面依次介紹這幾個配置文件津滞。
spring-web.xm配置
該配置中主要是一些資源映射的相關配置铝侵。
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/aop
http://www.springframework.org/schema/aop/spring-aop.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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">
<!-- 配置springMVC -->
<!-- 1.開啟springMVC注解模式 -->
<!-- 簡化配置:
1)自動注冊defaultAnnotationHandlerMapping,AnnotationMethodHandlARadpter
2)提供一系列:數據綁定,數字和日期的format @NumberFoamat,@DataTiemFormat
xml,json默認讀寫支持-->
<mvc:annotation-driven></mvc:annotation-driven>
<!--2.servelt-mapping 映射路徑:"/"
靜態(tài)資源默認servlet配置
1.加入對靜態(tài)資源的處理:js触徐,gif咪鲜,png
2.允許用/做整體映射-->
<mvc:default-servlet-handler/>
<!-- 3. 配置jsp顯示viewResolver-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>
<property name="prefix" value="/WEB-INF/jsp/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<!-- 4.掃描web相關的包 -->
<context:component-scan base-package="com.chenlong.study.web"></context:component-scan>
<!-- 獲取properties -->
<bean id="propertyConfigurer" class="com.chenlong.study.utils.PropertyUtil">
<property name="locations" >
<list>
<value>classpath:*.properties</value>
</list>
</property>
</bean>
<aop:aspectj-autoproxy/>
</beans>
在上述配置中最后關于獲取properties的配置,我創(chuàng)建了一個PropertyUtil類用來獲取properties文件锌介,并讀取里面的屬性嗜诀。PropertyUtil.java如下:
public class PropertyUtil extends PropertyPlaceholderConfigurer {
private static Map<String,String> propertyMap;
@Override
protected void processProperties(ConfigurableListableBeanFactory beanFactoryToProcess, Properties props) throws BeansException {
super.processProperties(beanFactoryToProcess, props);
propertyMap = new HashMap<String, String>();
for (Object key : props.keySet()) {
String keyStr = key.toString();
String value = props.getProperty(keyStr);
propertyMap.put(keyStr, value);
}
}
//static method for accessing context properties
public static Object getProperty(String name) {
return propertyMap.get(name);
}
}
spring-service.xml配置
配置自動掃描,用于自動注入孔祸;并配置注解事務隆敢。
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.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">
<!-- 掃描service包下的所有注解類型 -->
<context:component-scan base-package="com.chenlong.study.service"></context:component-scan>
<!-- 配置事務管理器,dataSource在spring-dao.xml中配置 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!-- 配置基于注解的聲明事務
默認使用注解來管理事務行為-->
<tx:annotation-driven transaction-manager="transactionManager"/>
<aop:aspectj-autoproxy/>
</beans>
配置spring-dao.xml
在配置sprign-dao.xml之前崔慧,先配置mybatis的全局文件mybatis-config.xml如下:
<?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>
<!-- 配置全局屬性 -->
<settings>
<!-- 獲取數據庫自增主鍵值 -->
<setting name="useGeneratedKeys" value="true"></setting>
<!-- 使用列命替換別名 -->
<setting name="useColumnLabel" value="true"></setting>
<!-- 開啟駝峰命名轉換 -->
<setting name="mapUnderscoreToCamelCase" value="true"></setting>
</settings>
</configuration>
在jdbc.properties中配置數據庫信息如下:
jdbc.username=root
jdbc.password=
jdbc.driverClass=com.mysql.jdbc.Driver
jdbc.jdbcUrls=jdbc:mysql://localhost:3306/test?useUnicode\=true&characterEncoding\=UTF-8
然后配置spring-dao.xml如下:
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.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">
<!-- 配置整合mybatis過程 -->
<!-- 1.配置數據庫相關參數 -->
<!-- 引入屬性文件 -->
<context:property-placeholder location="classpath:jdbc.properties" />
<!-- 2.配置數據庫連接池 -->
<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
<property name="driverClass" value="${jdbc.driverClass}"></property>
<property name="jdbcUrl" value="${jdbc.jdbcUrls}"></property>
<property name="user" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
<!-- 配置連接池私有屬性 -->
<property name="maxPoolSize" value="30"></property>
<property name="minPoolSize" value="10"></property>
<!-- 關閉連接后不自動提交 -->
<property name="autoCommitOnClose" value="false"></property>
<!--獲取連接超時時間 -->
<property name="checkoutTimeout" value="1000"></property>
<!-- 重試次數 -->
<property name="acquireRetryAttempts" value="2"></property>
</bean>
<!-- 3.配置sqlsessionfactory -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<!-- 注入數據庫連接池 -->
<property name="dataSource" ref="dataSource"></property>
<!-- 配置mybatis全局文件 -->
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
<!-- 掃描entity包使用別名 -->
<property name="typeAliasesPackage" value="com.chenlong.study.entity"></property>
<!-- 掃描mapper文件 -->
<property name="mapperLocations" value="classpath:com/chenlong/study/dao/*.xml"></property>
</bean>
<!-- 4.配置掃描dao接口包拂蝎,動態(tài)實現(xiàn)dao接口,自動注入到spring容器中 -->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!-- 注入sqlsessionfactory -->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"></property>
<!-- 給出掃描Dao接口包 -->
<property name="basePackage" value="com.chenlong.study.dao"></property>
</bean>
<aop:aspectj-autoproxy/>
</beans>
配置web.xml
在完成上述配置后惶室,配置web.xml温自,配置springmvc和spring的servlet
<?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_1.xsd"
id="WebApp_ID" version="3.1">
<display-name>sh_student</display-name>
<!-- 配置springmvc dispatcherServlet -->
<servlet>
<servlet-name>dispacherservlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-*.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>dispacherservlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:spring-*.xml </param-value>
</context-param>
<listener>
<listener-class> org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<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>
</web-app>
單元測試集成
在pom.xm文件中我們曾加入如下的jar包用來做單元測試玄货。
<!-- 4)spring test依賴 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>4.1.3.RELEASE</version>
</dependency>
<!-- https://mvnrepository.com/artifact/junit/junit -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
</dependency>
下面我給出一個測試示例:
//整合junit和spring,讓junit在啟動時候加載springIOC容器
@RunWith(SpringJUnit4ClassRunner.class)
//告訴junit spring的配置文件,需要用到的配置文件悼泌,如果是dao的話可以不用spring-service.xml
@ContextConfiguration({ "classpath:spring-dao.xml",
"classpath:spring-service.xml" })
public class SeckillServiceTest {
@Autowired
private SeckillService seckillService;
private Logger logger = LoggerFactory.getLogger(this.getClass());
@Test
public void testGetSeckillList() {
List<Seckill> seckills = seckillService.getSeckillList();
logger.info("list={}", seckills);
}
}
關于SSM框架的整合和單元測試的集成就到此結束松捉。