ssm（spring springmvc mybatis）整合

导入依赖

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<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>xom.xj</groupId>
    <artifactId>demossm</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>war</packaging>

    <properties>
        <!--统一管理spring所有的版本-->
        <spring-version>4.3.6.RELEASE</spring-version>
    </properties>

    <dependencies>
        <!--springmvc的依赖-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <!--rest风格使用-->
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.8.10</version>
        </dependency>

        <!--mariadb数据库-->
        <dependency>
            <groupId>org.mariadb.jdbc</groupId>
            <artifactId>mariadb-java-client</artifactId>
            <version>1.8.0</version>
        </dependency>

        <!--mybatis-->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.4</version>
        </dependency>

        <!--mybatis spring的插件，将mybatis交给spring来管理-->
        <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis-spring</artifactId>
        <version>1.3.0</version>
        </dependency>

        <!--spring的单元测试-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <!--spring jdbc，包含事务-->
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>${spring-version}</version>
        </dependency>

        <!-- spring aop的面向切面的配置-->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>com.springsource.org.aspectj.weaver</artifactId>
            <version>1.6.8.RELEASE</version>
        </dependency>

        <!--druid数据源-->
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.0.28</version>
        </dependency>

        <!--日志信息-->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>

        <!--单元测试-->
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>

        <!--lombok，特别注意，与maven的tomcat插件冲突时，将scope设置为provided-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.6</version>
            <scope>provided</scope>
        </dependency>

        <!--jsp-->
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.2</version>
            <scope>provided</scope>
        </dependency>

        <!--serlvet-->
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.0.1</version>
            <scope>provided</scope>
        </dependency>

        <!--jstl-->
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>

    </dependencies>


    <build>
        <!--不过滤java下的xml文件-->
        <resources>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
            <resource>
                <directory>src/main/resources</directory>
                <includes>
                    <include>**/*.properties</include>
                    <include>**/*.xml</include>
                </includes>
                <filtering>false</filtering>
            </resource>
        </resources>
        <plugins>
            <!-- define the project compile level -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.6.1</version>
                <configuration>
                    <source>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>

            <!-- 添加tomcat插件 -->
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <path>/</path>
                    <port>8889</port>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

在WEB-INF下配置

web.xml,并设置中文乱码的处理

<?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_3_1.xsd"
         version="3.1">

    <!--配置Springmvc-->
    <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:spring-mvc.xml</param-value>
        </init-param>
    </servlet>
    
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <!--spring写好的中文过滤器-->
    <filter>
        <filter-name>encode</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>encode</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
</web-app>

设置spring-mvc.xml配置

<?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 http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!--设置ssm的整合注解配置-->
    <!--<context:annotation-config/>-->

    <!--设置包扫描，分别扫描controller和service包-->
    <context:component-scan base-package="com.xj.controller"/>
    <context:component-scan base-package="com.xj.service"/>

    <!--注解驱动-->
    <mvc:annotation-driven/>

    <!--配置默认资源可以被访问-->
    <mvc:default-servlet-handler/>

    <!--引入spring和mybatis的整合文件-->
    <import resource="classpath:spring-mybatis.xml"/>

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

设置由spring托管mybatis

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:context="http://www.springframework.org/schema/context"
       xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">

    <!-- 引入数据库配置信息文件 -->
    <context:property-placeholder location="classpath:jdbc.properties" />

    <context:component-scan base-package="com.qfedu.service" />

    <!-- 配置druid数据源 -->
    <bean id="ds" class="com.alibaba.druid.pool.DruidDataSource">
        <!--<property name="url" value="jdbc:mysql://localhost:3306/hello2"></property>-->
        <!--<property name="driverClassName" value="com.mysql.jdbc.Driver" />-->
        <!--<property name="username" value="root" />-->
        <!--<property name="password" value="123456" />-->
        <property name="url" value="${url}"></property>
        <property name="driverClassName" value="${driver}" />
        <property name="username" value="${user}" />
        <property name="password" value="${pass}" />
    </bean>

    <bean id="sf" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="typeAliasesPackage" value="com.xj.pojo" />
        <property name="mapperLocations" value="classpath:com/xj/dao/mapper/*Mapper.xml" />
        <property name="dataSource" ref="ds"></property>
        <property name="configLocation" value="classpath:mybatis-config.xml" />
    </bean>
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.xj.dao" />
        <property name="sqlSessionFactoryBeanName" value="sf" />
    </bean>

    <!-- 配置事务管理器 -->
    <bean id="dtx" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="ds"></property>
    </bean>

    <tx:advice id="tx" transaction-manager="dtx">
        <!-- 声明属性，声明事务的规则 -->
        <tx:attributes>
            <tx:method name="save*" propagation="REQUIRED" isolation="DEFAULT" rollback-for="Exception" />
            <tx:method name="insert*" propagation="REQUIRED" isolation="DEFAULT" rollback-for="Exception" />
            <tx:method name="update*" propagation="REQUIRED" isolation="DEFAULT" rollback-for="Exception" />
            <tx:method name="delete*" propagation="REQUIRED" isolation="DEFAULT" rollback-for="Exception" />
        </tx:attributes>
    </tx:advice>

    <!-- 定义切面 -->
    <aop:config>
        <aop:pointcut id="mpt" expression="execution(* com.xj.service.*.*(..))" />
        <aop:advisor advice-ref="tx" pointcut-ref="mpt" />
    </aop:config>
</beans>

配置mybatis的配置

<?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>
    <settings>
        <setting name="logImpl" value="LOG4J"/>
    </settings>
</configuration>

其中jdbc.properties文件内容

driver=org.mariadb.jdbc.Driver
url=jdbc:mariadb://localhost:3306/mydb
user=root
pass=xijing

log4j.properties

# 全局日志配置
#   日志有四个级别：error，warn，info，debug
log4j.rootLogger=error, stdout, F
# MyBatis 日志配置
log4j.logger.com.xj=TRACE
# 控制台输出
log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%6p [%t] - %m%n

log4j.appender.F = org.apache.log4j.DailyRollingFileAppender
log4j.appender.F.File =myproj.log
log4j.appender.F.Append = true
log4j.appender.F.Threshold = DEBUG
log4j.appender.F.layout=org.apache.log4j.PatternLayout
log4j.appender.F.layout.ConversionPattern=%-d{yyyy-MM-dd HH\:mm\:ss}-[%p %F\:%L]  %m%n