SSM.png
- pom.xml
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!--spring核心 ioc-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.2.5.RELEASE</version>
</dependency>
<!--做事务处理-->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.2.5.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>5.2.5.RELEASE</version>
</dependency>
<!--mybatis依赖-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.5.1</version>
</dependency>
<!--mybatis和spring集成的依赖-->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.1</version>
</dependency>
<!--mysql驱动-->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.9</version>
</dependency>
<!--阿里数据库连接池-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.12</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>5.2.5.RELEASE</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.9.3</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.3</version>
</dependency>
</dependencies>
<build>
<!--目的是把src/main/java中的properties和xml文件都扫描输出到target的classes中-->
<resources>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**/*.properties</include>
<include>**/*.xml</include>
</includes>
<filtering>false</filtering>
</resource>
</resources>
<!--指定JDK版本-->
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
- web.xml
<servlet>
<servlet-name>dispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:conf/springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>dispatcherServlet</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:conf/spring.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<filter>
<filter-name>characterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
- springmvc.xml
<!--配置视图解析器-->
<!-- 声明SpringMVC中的视图解析器，帮助开发人员设置视图文件的路径-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!--前缀：视图文件的路径-->
<property name="prefix" value="/WEB-INF/view/"/>
<!--后缀：视图文件 的扩展名-->
<property name="suffix" value=".jsp"/>
</bean>
<!--注解驱动-->
<mvc:annotation-driven/>
<!--第一种处理静态资源的方式 ,原理是：加入这个标签框架会自动创建DefaultServletHttpRequestHandler(类似创建MyController)
这个对象可以把接收的请求转发给DefaultServlet-->
<mvc:default-servlet-handler/>
- spring.xml
<!--
把数据库的配置信息写在一个独立的文件中，spring读取propertise文件的内容
-->
<context:property-placeholder location="classpath:jdbc.properties"/>
<!--创建数据源-->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<!--使用set注入-->
<property name="url" value="${jdbc.url}"/>
<property name="username" value="${jdbc.username}"/>
<property name="password" value="${jdbc.password}"/>
<!--最大连接之是20-->
<property name="maxActive" value="${jdbc.passMax}"/>
</bean>
<!--创建sqlSessionFactory对象-->
<bean id = "sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!--
Mybatis的主配置文件的位置
configLocation的类型是Resource ,指定文件路径使用classpath表示文件路径
-->
<property name="configLocation" value="classpath:Mybatis01.xml"/>
</bean>
<!--
创建dao对象，使用SqlSession的getMapper(StudentDao.class)
MapperScannerConfigurer：在内部调用getMapper（）为包下面的每个dao接口创建代理对象
-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<!--指定对象的id-->
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
<!--指定包名,为包名下面的每个dao接口创建对象,对象名默认是类名首字母小写，放入到spring容器，多个包用,分隔-->
<property name="basePackage" value="My.Li.Dao"/>
</bean>
<!--声明业务处理对象-->
<bean id="service" class="My.Li.service.BuyServiceImpl">
<property name="goodsDao" ref="goo0dsDao"/>
<property name="saleDao" ref="saleDao"/>
</bean>
<!--声明事务管理器对象-->
<bean id="myTransation" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<!--连接数据库-->
<property name="dataSource" ref="dataSource"/>
</bean>
<!--开启事务注解驱动 -->
<tx:annotation-driven transaction-manager="myTransation"/>
- Mybatis.xml
<mappers>
<!--<mapper resource="my/three/dao/StudentDao.xml"/>-->
<package name="My.Li.dao"/>
</mappers>
