SSM框架整合

Posted 2020-12-22 wsxultimate

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SSM框架整合

springmvc-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: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/context
       https://www.springframework.org/schema/context/spring-context.xsd
       http://www.springframework.org/schema/mvc
       https://www.springframework.org/schema/mvc/spring-mvc.xsd">
    
     <!--注解驱动-->
    <mvc:annotation-driven/>
    <!--静态资源-->
    <mvc:default-servlet-handler/>
    <!--自动扫描包-->
    <context:component-scan base-package="com.wsx.controller"/>

    <!-- 让DispatchServlet启动基于annotation的HandlerMapping -->
    <mvc:annotation-driven>
        <mvc:message-converters register-defaults="true">
            <!-- 解决Controller返回json中文乱码问题 -->
            <bean class="org.springframework.http.converter.StringHttpMessageConverter">
                <!-- <property name="supportedMediaTypes" value="text/html;charset=UTF-8" /> -->
                <!-- <property name="supportedMediaTypes" value="application/json;charset=UTF-8" > -->
                <property name="supportedMediaTypes">
                    <list>
                        <value>text/html;charset=UTF-8</value>
                        <value>application/json;charset=UTF-8</value>
                    </list>
                </property>
            </bean>
        </mvc:message-converters>
    </mvc:annotation-driven>


    <!--视图解析器:DispatcherServlet给他的ModelAndView-->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="internalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

数据库

driver=com.mysql.jdbc.Driver
url=jdbc:mysql://localhost:3306/mybatis?useSSL=trueuseUnicode=true&characterEncoding=UTF-8
username=root
password=root

application-context.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:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd">

    <import resource="spring-dao.xml"/>
</beans>

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>
    <!--加载配置-->
    <properties resource="db.properties"></properties>
    <settings>
        <setting name="logImpl" value="STDOUT_LOGGING"/>
        <setting name="mapUnderscoreToCamelCase" value="true"/>
    </settings>
    <typeAliases>
        <package name="com.wsx.pojo"/>
    </typeAliases>
</configuration>

spring-dao.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:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd">



    <!--代替Mybatis中的Datasource-->
    <!--spring-jdbc包下的class-->
    <bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/mybatis?useSSL=true&amp;useUnicode=true&amp;characterEncoding=UTF-8"/>
        <property name="username" value="root"/>
        <property name="password" value="root"/>
    </bean>

    <!--SqlSessionFactory-->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="datasource"/>
        <!--绑定Mybatis配置文件-->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
        <property name="mapperLocations" value="classpath:com/wsx/mapper/*.xml"/>
    </bean>

    <!--SqlSessionTemplate 就是我们使用的sqlSession 方式一-->
    <bean id="sqlSession" class="org.mybatis.spring.SqlSessionTemplate">
       <!--注入sqlSessionFactory 只可以选择构造器 因为没有set方法-->
        <constructor-arg index="0" ref="sqlSessionFactory"/>
    </bean>
    


</beans>

方式二

<?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:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd">

    <!--1.关联数据库配置文件-->
    <context:property-placeholder location="classpath:db.properties"/>

    <!--2.连接池c3po-->
    <bean id="datasource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>

<!--配置文件username 会报错-->
<!--        <property name="driverClass" value="com.mysql.jdbc.Driver"/>-->
<!--        <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&amp;useUnicode=true&amp;characterEncoding=UTF-8"/>-->
<!--        <property name="user" value="root"/>-->
<!--        <property name="password" value="root"/>-->


    </bean>



<!--    <bean id="datasource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">-->
<!--        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>-->
<!--        <property name="url" value="jdbc:mysql://localhost:3306/ssmbuild?useSSL=true&amp;useUnicode=true&amp;characterEncoding=UTF-8"/>-->
<!--        <property name="username" value="root"/>-->
<!--        <property name="password" value="root"/>-->

<!--        <property name="driverClassName" value="${driver}"/>-->
<!--        <property name="url" value="${url}"/>-->
<!--        <property name="username" value="${username}"/>-->
<!--        <property name="password" value="${password}"/>-->
<!--    </bean>-->



    <!--3.SqlSessionFactory-->

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="datasource"/>
        <!--绑定MyBatis配置文件-->
        <property name="configLocation" value="classpath:mybatis-config.xml"/>
    </bean>


    <!--4.配置dao借口扫描包,动态实现Dao接口可以注入到sprig容器中-->
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <!--注入sqlSessionFactory-->
        <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        <!--要扫描的dao包-->
        <property name="basePackage" value="com.wsx.mapper"/>
    </bean>


</beans>

依赖

<!--junit测试包-->
<dependency>
    <groupId>org.junit.jupiter</groupId>
    <artifactId>junit-jupiter</artifactId>
    <version>5.5.2</version>
</dependency>

<!--数据库-->
<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>5.1.49</version>
</dependency>

<!--数据库连接池-->
<dependency>
    <groupId>com.mchange</groupId>
    <artifactId>c3p0</artifactId>
    <version>0.9.5.2</version>
</dependency>
<!--Servlet JSP-->
<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>servlet-api</artifactId>
    <version>2.5</version>
</dependency>
<dependency>
    <groupId>javax.servlet.jsp</groupId>
    <artifactId>jsp-api</artifactId>
    <version>2.2</version>
</dependency>
<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>jstl</artifactId>
    <version>1.2</version>
</dependency>
<!--mybatis-->
<dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis</artifactId>
    <version>3.5.4</version>
</dependency>
<dependency>
    <groupId>org.mybatis</groupId>
    <artifactId>mybatis-spring</artifactId>
    <version>2.0.4</version>
</dependency>
<!--springmvc-->
<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-webmvc</artifactId>
    <version>5.2.0.RELEASE</version>
</dependency>

<dependency>
    <groupId>org.springframework</groupId>
    <artifactId>spring-jdbc</artifactId>
    <version>5.2.0.RELEASE</version>
</dependency>

打包问题

<build>
    <resources>
        <resource>
            <directory>src/main/resources</directory>
            <includes>
                <include>**/*.properties</include>
                <include>**/*.xml</include>
                <include>**/*.tld</include>
            </includes>
            <filtering>false</filtering>
        </resource>
        <resource>
            <directory>src/main/java</directory>
            <includes>
                <include>**/*.properties</include>
                <include>**/*.xml</include>
                <include>**/*.tld</include>
            </includes>
            <filtering>false</filtering>
        </resource>
    </resources>
</build>

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
         version="4.0">
    <servlet>
        <servlet-name>springmvc</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!--绑定Spring的配置文件-->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <!--注意绑定的文件-->
            <param-value>classpath:application-context.xml</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <!--/只匹配请求-->
    <!--/*会匹配jsp-->
    <servlet-mapping>
        <servlet-name>springmvc</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>
    <!--自己的乱码filter-->
<!--    <filter>-->
<!--        <filter-name>encoding</filter-name>-->
<!--        <filter-class>com.wsx.filter.EncodingFilter</filter-class>-->
<!--    </filter>-->

<!--    <filter-mapping>-->
<!--        <filter-name>encoding</filter-name>-->
<!--        <url-pattern>/*</url-pattern>-->
<!--    </filter-mapping>-->

    <!--springmvc里的乱码Filter-->

    <filter>
        <filter-name>encoding</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>encoding</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

路径

<a href="${pageContext.request.contextPath}/book/query">查询所有书籍</a>

事物织入

<!--配置声明式事物-->
<bean id = "transactionManager"  class="org.springframework.jdbc.datasource.DataSourceTransactionManager" >
    <property name="dataSource" ref="datasource"/>
</bean>

<!--结合AOP实现事物织入-->
<tx:advice id="tsAdvice" transaction-manager="transactionManager">
    <!--给那些方法配置事物-->
    <!--propagation 默认required-->
    <!--read-only 只读-->
    <tx:attributes>
        <tx:method name="add" propagation="REQUIRED"/>
        <tx:method name="delete" propagation="REQUIRED"/>
        <tx:method name="*" propagation="REQUIRED"/>
    </tx:attributes>
</tx:advice>


<!--配置事物切入-->
<aop:config>
    <!--切点-->
    <aop:pointcut id="txPointCut" expression="execution(* com.wsx.mapper.*.*(..))"/>
    <!--切入-->
    <aop:advisor advice-ref="tsAdvice" pointcut-ref="txPointCut"/>
</aop:config>

spring-service

<?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:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
        https://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop
        https://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd">

<!--扫描service下的包-->
    <context:component-scan base-package="com.wsx.service"/>
    <!--将所有的业务类,注入到spring中,可以通过配置,或者注解实现-->
    <bean class="com.wsx.service.BookServiceImpl" id="bookService">
        <!--如果ref中的bookMapper报红说明 该文件没有和dao层放在一块 解决办法手动import导入 或者在Modules中放在一块-->
        <property name="bookMapper" ref="bookMapper"/>
    </bean>

    <!--声明式实物配置-->
    <bean class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="datasource"/>
    </bean>

    
    
    <!--aop事物切入...-->
<!--配置声明式事物-->
<bean id = "transactionManager"  class="org.springframework.jdbc.datasource.DataSourceTransactionManager" >
    <property name="dataSource" ref="datasource"/>
</bean>

<!--结合AOP实现事物织入-->
<tx:advice id="tsAdvice" transaction-manager="transactionManager">
    <!--给那些方法配置事物-->
    <!--propagation 默认required-->
    <!--read-only 只读-->
    <tx:attributes>
        <tx:method name="add" propagation="REQUIRED"/>
        <tx:method name="delete" propagation="REQUIRED"/>
        <tx:method name="*" propagation="REQUIRED"/>
    </tx:attributes>
</tx:advice>


<!--配置事物切入-->
<aop:config>
    <!--切点-->
    <aop:pointcut id="txPointCut" expression="execution(* com.wsx.mapper.*.*(..))"/>
    <!--切入-->
    <aop:advisor advice-ref="tsAdvice" pointcut-ref="txPointCut"/>
</aop:config>


</beans>

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