二、SSM整合
整合的思路就从项目的整体结构、配置文件和实现类入手,因为只是搭建一个SSM环境,业务功能只写了一个,还请见谅。
项目的整体结构
Maven项目采用了约定的形式:
- src/main/java 存放java文件
- src/main/resources 存放配置文件
- src/test/java 存放测试类
- src/test/resources 存放测试类的资源文件
- pom.xml Maven的配置文件
这个小项目采用的是spring4.2.3+MyBatis3.2.6版本,应该算是比较新的,Maven项目刚开始做的话我觉得pom.xml文件配置比较麻烦,不知道具体使用哪个依赖包,导致Maven工程老是不成功,这也是初学者的一个麻烦点,虽然不是难点,咋这里,我给出pom.xml的所有配置。
<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></modelVersion>
<groupId>ssm4</groupId>
<artifactId>ssm4</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>ssm4</name><description/>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<spring.version>4.2.3.RELEASE</spring.version>
<junit.version>4.11</junit.version>
<mybatis.version>3.2.6</mybatis.version>
<mysql.version>5.1.37</mysql.version>
<servlet-api.version>3.0-alpha-1</servlet-api.version>
<jsp-api.version>2.2</jsp-api.version>
<jstl.version>1.2</jstl.version>
<ojdbc14.version>10.2.0.4.0</ojdbc14.version>
<fastjson.version>1.1.39</fastjson.version>
<commons-dbcp2.version>2.0</commons-dbcp2.version>
<commons-pool2.version>2.2</commons-pool2.version>
<commons-logging.version>1.1.3</commons-logging.version>
<commons-io.version>1.3.2</commons-io.version>
<commons-lang3.version>3.3.1</commons-lang3.version>
<commons-fileupload.version>1.2.1</commons-fileupload.version>
<log4j.version>1.2.17</log4j.version>
<slf4j.version>1.7.6</slf4j.version>
<dom4j.version>1.6.1</dom4j.version>
<jfreechart.version>1.0.17</jfreechart.version>
<shiro.version>1.2.3</shiro.version>
<aspectjweaver.version>1.7.4</aspectjweaver.version>
<bonecp.version>0.8.0.RELEASE</bonecp.version>
<druid.version>1.0.4</druid.version>
<c3p0.version>0.9.5.1</c3p0.version>
<testng.version>6.8.8</testng.version>
<freemarker.version>2.3.20</freemarker.version>
<velocity.version>1.7</velocity.version>
<tapestry.version>5.3.7</tapestry.version>
<asm.version>4.2</asm.version>
<cglib.version>3.1</cglib.version>
</properties>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.2</version>
<configuration><version>3.1</version>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<!-- junit -->
<dependency><groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
<!-- Spring相关包含springmvc -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${spring.version}</version>
</dependency>
<ependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${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-tx</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency><groupId>org.springframework</groupId>
<artifactId>spring-orm</artifactId>
<version>${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>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jms</artifactId>
<version>${spring.version}</version>
</dependency>
<!-- mybaits :包含整合spring -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.2.2</version>
</dependency>
<dependency>
<groupId>org.mybatis.caches</groupId>
<artifactId>mybatis-ehcache</artifactId>
<version>1.0.2</version>
</dependency>
<!-- JDBC驱动 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<!-- 数据源 -->
<!-- 日志库 -->
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>${commons-logging.version}</version>
</dependency>
<dependency><groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${log4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-log4j12</artifactId>
<version>${slf4j.version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${slf4j.version}</version>
</dependency>
<!-- 依赖的WEB类库 -->
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp-api.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>${servlet-api.version}</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>${jstl.version}</version>
</dependency>
<!-- 依赖的测试类库 -->
<dependency><groupId>org.springframework</groupId><artifactId>spring-test</artifactId><version>${spring.version}</version></dependency>
<dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>${junit.version}</version></dependency><dependency><groupId>org.testng</groupId><artifactId>testng</artifactId><version>${testng.version}</version></dependency>
<!-- 依赖的公共类库 --><dependency><groupId>org.apache.commons</groupId><artifactId>commons-io</artifactId><version>${commons-io.version}</version></dependency>
<dependency>
<groupId>org.apache.commons</groupId><artifactId>commons-lang3</artifactId><version>${commons-lang3.version}</version></dependency>
<dependency><groupId>org.apache.commons</groupId><artifactId>commons-collections4</artifactId><version>4.0</version></dependency>
<>dependency><groupId>org.kuali.commons</groupId><artifactId>commons-beanutils</artifactId><version>1.8.3-kuali-4</version></dependency>
<!-- 其他 -->
<dependency><groupId>org.aspectj</groupId><artifactId>aspectjweaver</artifactId><version>${aspectjweaver.version}</version></dependency>
<dependency><groupId>dom4j</groupId><artifactId>dom4j</artifactId><version>${dom4j.version}</version></dependency>
<dependency><groupId>com.mchange</groupId><artifactId>c3p0</artifactId><version>${c3p0.version}</version></dependency>
</dependencies>
</project>
Spring和MyBatis进行整合
spring和MyBatis整合的配置文件
<!-- 自动扫描 -->
<context:component-scan base-package="cn.shopin.manage">
</context:component-scan>
<!-- 引入配置文件 -->
<bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="location" value="classpath:jdbc.properties">
</property>
</bean>
<!-- 配置dataSource --><bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="${jdbc.driver}"/>
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
</bean>
<!-- spring和myBatis整合 --><bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource"ref="dataSource">
</property>
<!-- 自动扫描mapper.xml文件 -->
<property name="mapperLocations" value="classpath*:cn/shopin/manage/mapper/*.xml"></property></bean>
<!-- 扫描mybatis的mapper文件,和接口,产生代理对象 -->
<!-- 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="cn.shopin.manage.mapper">
</property>
<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"></property>
</bean>
MyBatis的映射文件
<?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="cn.shopin.ssm.mapper.PersonMapper"> <select id="listAll" resultType="cn.shopin.ssm.domain.Person"> select * from person </select> </mapper>
MyBatis的配置文件
因为和spring进行了整合,MyBatis的配置文件基本上不用写其他信息。
<?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>
到这里,spring和MyBatis就算是整合完成。
Spring和springmvc整合
springmvc是包含在spring中的,基本上是不需要单独在配置什么。
<!-- 处理器,处理器映射器,处理器适配器,视图解析器,注解扫描 --> <context:component-scanB base-package="cn.shopin.ssm.web.controller"> </context:component-scan> <mvc:annotation-driven></mvc:annotation-driven> <bean id="jspView" class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/pages"/> <property name="suffix" value=".jsp"> </property> </bean>
Controller层:
@Controller
public class PersonController {
@Resource
PersonService personService;
@RequestMapping("person/listAll.action")
public String listAll(Model model){
List personList = personService.listAll();
model.addAttribute("personList", personList);
return"/person/jPersonList";
}
}
web.xml文件的配置:
<context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:spring/spring-mybatis.xml</param-value> </context-param> <listener><listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <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*:springmvc/springmvc-servlet.xml</param-value> </init-param> </servlet> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>*.action</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list>
运行效果:
62万+

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