spring多模块项目手动整合

2022-07-16 14:42:26

一、分别创建parent entity dao service controller web等模块项目，如图：

二、parent项目添加依赖

<!-- 集中定义依赖版本号 -->

    <properties>

        <junit.version>4.12</junit.version>

        <spring.version>4.1.3.RELEASE</spring.version>

        <mybatis.version>3.2.8</mybatis.version>

        <mybatis.spring.version>1.2.2</mybatis.spring.version>

        <mybatis.paginator.version>1.2.15</mybatis.paginator.version>

        <mysql.version>5.1.32</mysql.version>

        <slf4j.version>1.6.4</slf4j.version>

        <jackson.version>2.4.2</jackson.version>

        <druid.version>1.0.9</druid.version>

        <httpclient.version>4.3.5</httpclient.version>

        <jstl.version>1.2</jstl.version>

        <servlet-api.version>2.5</servlet-api.version>

        <jsp-api.version>2.0</jsp-api.version>

        <joda-time.version>2.5</joda-time.version>

        <commons-lang3.version>3.3.2</commons-lang3.version>

        <commons-io.version>1.3.2</commons-io.version>

        <commons-net.version>3.3</commons-net.version>

        <pagehelper.version>5.0.0</pagehelper.version>

        <jsqlparser.version>0.9.1</jsqlparser.version>

        <commons-fileupload.version>1.3.1</commons-fileupload.version>

        <jedis.version>2.7.2</jedis.version>

        <solrj.version>4.10.3</solrj.version>

    </properties>

    <dependencyManagement>

        <dependencies>

            <!-- 时间操作组件 -->

            <dependency>

                <groupId>joda-time</groupId>

                <artifactId>joda-time</artifactId>

                <version>${joda-time.version}</version>

            </dependency>

            <!-- Apache工具组件 -->

            <dependency>

                <groupId>org.apache.commons</groupId>

                <artifactId>commons-lang3</artifactId>

                <version>${commons-lang3.version}</version>

            </dependency>

            <dependency>

                <groupId>org.apache.commons</groupId>

                <artifactId>commons-io</artifactId>

                <version>${commons-io.version}</version>

            </dependency>

            <dependency>

                <groupId>commons-net</groupId>

                <artifactId>commons-net</artifactId>

                <version>${commons-net.version}</version>

            </dependency>

            <!-- JacksonJson处理工具包 -->

            <dependency>

                <groupId>com.fasterxml.jackson.core</groupId>

                <artifactId>jackson-databind</artifactId>

                <version>${jackson.version}</version>

            </dependency>

            <!-- httpclient -->

            <dependency>

                <groupId>org.apache.httpcomponents</groupId>

                <artifactId>httpclient</artifactId>

                <version>${httpclient.version}</version>

            </dependency>

            <!-- 单元测试 -->

            <dependency>

                <groupId>junit</groupId>

                <artifactId>junit</artifactId>

                <version>${junit.version}</version>

                <scope>test</scope>

            </dependency>

            <!-- 日志处理 -->

            <dependency>

                <groupId>org.slf4j</groupId>

                <artifactId>slf4j-log4j12</artifactId>

                <version>${slf4j.version}</version>

            </dependency>

            <!-- Mybatis -->

            <dependency>

                <groupId>org.mybatis</groupId>

                <artifactId>mybatis</artifactId>

                <version>${mybatis.version}</version>

            </dependency>

            <dependency>

                <groupId>org.mybatis</groupId>

                <artifactId>mybatis-spring</artifactId>

                <version>${mybatis.spring.version}</version>

            </dependency>

            <dependency>

                <groupId>com.github.miemiedev</groupId>

                <artifactId>mybatis-paginator</artifactId>

                <version>${mybatis.paginator.version}</version>

            </dependency>

            <dependency>

                <groupId>com.github.pagehelper</groupId>

                <artifactId>pagehelper</artifactId>

                <version>${pagehelper.version}</version>

            </dependency>

            <!-- MySql -->

            <dependency>

                <groupId>mysql</groupId>

                <artifactId>mysql-connector-java</artifactId>

                <version>${mysql.version}</version>

            </dependency>

            <!-- 连接池 -->

            <dependency>

                <groupId>com.alibaba</groupId>

                <artifactId>druid</artifactId>

                <version>${druid.version}</version>

            </dependency>

            <!-- Spring -->

            <dependency>

                <groupId>org.springframework</groupId>

                <artifactId>spring-context</artifactId>

                <version>${spring.version}</version>

            </dependency>

            <dependency>

                <groupId>org.springframework</groupId>

                <artifactId>spring-beans</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-jdbc</artifactId>

                <version>${spring.version}</version>

            </dependency>

            <dependency>

                <groupId>org.springframework</groupId>

                <artifactId>spring-aspects</artifactId>

                <version>${spring.version}</version>

            </dependency>

            <!-- JSP相关 -->

            <dependency>

                <groupId>jstl</groupId>

                <artifactId>jstl</artifactId>

                <version>${jstl.version}</version>

            </dependency>

            <dependency>

                <groupId>javax.servlet</groupId>

                <artifactId>servlet-api</artifactId>

                <version>${servlet-api.version}</version>

                <scope>provided</scope>

            </dependency>

            <dependency>

                <groupId>javax.servlet</groupId>

                <artifactId>jsp-api</artifactId>

                <version>${jsp-api.version}</version>

                <scope>provided</scope>

            </dependency>

            <!-- 文件上传组件 -->

            <dependency>

                <groupId>commons-fileupload</groupId>

                <artifactId>commons-fileupload</artifactId>

                <version>${commons-fileupload.version}</version>

            </dependency>

            <!-- Redis客户端 -->

            <dependency>

                <groupId>redis.clients</groupId>

                <artifactId>jedis</artifactId>

                <version>${jedis.version}</version>

            </dependency>

        </dependencies>

    </dependencyManagement>

    <build>

        <finalName>${project.artifactId}</finalName>

        <plugins>

            <!-- 资源文件拷贝插件 -->

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-resources-plugin</artifactId>

                <version>2.7</version>

                <configuration>

                    <encoding>UTF-8</encoding>

                </configuration>

            </plugin>

            <!-- java编译插件 -->

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-compiler-plugin</artifactId>

                <version>3.2</version>

                <configuration>

                    <source>1.8</source>

                    <target>1.8</target>

                    <encoding>UTF-8</encoding>

                </configuration>

            </plugin>

        </plugins>

        <pluginManagement>

            <plugins>

                <!-- 配置Tomcat插件 -->

                <plugin>

                    <groupId>org.apache.tomcat.maven</groupId>

                    <artifactId>tomcat7-maven-plugin</artifactId>

                    <version>2.2</version>

                </plugin>

            </plugins>

        </pluginManagement>

    </build>

三、Spring整合SpringMVC

3.1 在web项目，添加依赖

<dependencies>

        <dependency>

            <groupId>com.stu</groupId>

            <artifactId>parent</artifactId>

            <version>1.0-SNAPSHOT</version>

        </dependency>

        <dependency>

            <groupId>com.stu</groupId>

            <artifactId>service</artifactId>

            <version>1.0-SNAPSHOT</version>

        </dependency>

        <!-- JSP相关 -->

        <dependency>

            <groupId>jstl</groupId>

            <artifactId>jstl</artifactId>

        </dependency>

        <dependency>

            <groupId>javax.servlet</groupId>

            <artifactId>servlet-api</artifactId>

            <scope>provided</scope>

        </dependency>

        <dependency>

            <groupId>javax.servlet</groupId>

            <artifactId>jsp-api</artifactId>

            <scope>provided</scope>

        </dependency>

        <!-- 文件上传组件 -->

        <dependency>

            <groupId>commons-fileupload</groupId>

            <artifactId>commons-fileupload</artifactId>

        </dependency>

        <!-- springwebmvc -->

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-webmvc</artifactId>

        </dependency>

        <dependency>

            <groupId>com.stu</groupId>

            <artifactId>entity</artifactId>

        </dependency>

        <dependency>

            <groupId>com.fasterxml.jackson.core</groupId>

            <artifactId>jackson-annotations</artifactId>

            <version>2.5.0</version>

        </dependency>

        <dependency>

            <groupId>com.fasterxml.jackson.core</groupId>

            <artifactId>jackson-core</artifactId>

            <version>2.5.0</version>

        </dependency>

        <dependency>

            <groupId>com.fasterxml.jackson.core</groupId>

            <artifactId>jackson-databind</artifactId>

        </dependency>

        <dependency>

            <groupId>com.fasterxml.jackson.jr</groupId>

            <artifactId>jackson-jr-all</artifactId>

            <version>2.5.0</version>

        </dependency>

    </dependencies>

3.2 添加springmvc的配置文件，src\main\resources\spring\springmvc.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:p="http://www.springframework.org/schema/p"

       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/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd

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

    <!-- springmvc 扫包范围 -->

    <context:component-scan base-package="com.stu.controller"/>

    <!-- 开启springmvc注解 -->

    <mvc:annotation-driven/>

    <!-- 视图跳转类型 -->

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">

        <property name="prefix" value="/WEB-INF/jsp/"/>

        <property name="suffix" value=".jsp"/>

    </bean>

</beans>

如果xml出现 URI is not registered，点击菜单栏“File”→“Settings”→“Languages&Frameworks”→如图点击加号，会弹出来一个内容框，将上图中报红色的内容复制，然后apply

3.3 在web.xml加载springmvc配置

<!-- 解决post乱码 -->

    <filter>

        <filter-name>CharacterEncodingFilter</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>

        <!-- <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value>

            </init-param> -->

    </filter>

    <filter-mapping>

        <filter-name>CharacterEncodingFilter</filter-name>

        <url-pattern>/*</url-pattern>

    </filter-mapping>

    <!-- springmvc的前端控制器 -->

    <servlet>

        <servlet-name>stu-web</servlet-name>

        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

        <!-- contextConfigLocation不是必须的， 如果不配置contextConfigLocation， springmvc的配置文件默认在：WEB-INF/servlet的name+"-servlet.xml" -->

        <init-param>

            <param-name>contextConfigLocation</param-name>

            <param-value>classpath:spring/springmvc.xml</param-value>

        </init-param>

        <load-on-startup>1</load-on-startup>

    </servlet>

    <servlet-mapping>

        <servlet-name>stu-web</servlet-name>

        <url-pattern>/</url-pattern>

    </servlet-mapping>

3.4 测试SpringMVC搭建情况

@Controller

public class TestController {

    // 测试页面

    private static final String TEST = "test";

    @RequestMapping("/hello")

    public String hello(){

        System.out.println("hello******************************");

        return TEST;

    }

}

在WEB-INF/jsp/test.jsp地址下创建jsp页面

四、Spring整合MyBatis

4.1 表结构说明

--视频类型表

CREATE TABLE `video_type` (

  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键(自增长)',

  `type_name` varchar(30) DEFAULT NULL COMMENT '视频类型',

  PRIMARY KEY (`id`)

) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8;

--视频详情表

CREATE TABLE `video_info` (

  `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键(自增长)',

  `video_name` varchar(150) DEFAULT NULL COMMENT '视频名称',

  `video_url` varchar(100) DEFAULT NULL COMMENT '封面图片',

  `video_html` varchar(500) DEFAULT NULL COMMENT '视频html执行元素',

  `video_type_id` int DEFAULT NULL COMMENT '关联typeID',

  `video_del` INT DEFAULT 0 COMMENT '是否显示 0显示 1隐藏',

  PRIMARY KEY (`id`)

) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8;

4.2 在dao项目中添加依赖

<!-- 依赖管理 -->

    <dependencies>

        <dependency>

            <groupId>com.stu</groupId>

            <artifactId>stu-entity</artifactId>

            <version>0.0.1-SNAPSHOT</version>

        </dependency>

        <!-- Mybatis -->

        <dependency>

            <groupId>org.mybatis</groupId>

            <artifactId>mybatis</artifactId>

        </dependency>

        <dependency>

            <groupId>org.mybatis</groupId>

            <artifactId>mybatis-spring</artifactId>

        </dependency>

        <dependency>

            <groupId>com.github.miemiedev</groupId>

            <artifactId>mybatis-paginator</artifactId>

        </dependency>

        <dependency>

            <groupId>com.github.pagehelper</groupId>

            <artifactId>pagehelper</artifactId>

        </dependency>

        <!-- MySql -->

        <dependency>

            <groupId>mysql</groupId>

            <artifactId>mysql-connector-java</artifactId>

        </dependency>

        <!-- 连接池 -->

        <dependency>

            <groupId>com.alibaba</groupId>

            <artifactId>druid</artifactId>

        </dependency>

    </dependencies>

    <!-- 如果不添加此节点mybatis的mapper.xml文件都会被漏掉。 -->

    <build>

        <resources>

            <resource>

                <directory>src/main/java</directory>

                <includes>

                    <include>**/*.properties</include>

                    <include>**/*.xml</include>

                </includes>

                <filtering>false</filtering>

            </resource>

        </resources>

    </build>

4.3 在service中添加依赖

<dependencies>

        <dependency>

            <groupId>com.stu</groupId>

            <artifactId>dao</artifactId>

            <version>1.0-SNAPSHOT</version>

        </dependency>

        <!-- Spring -->

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-context</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-beans</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-jdbc</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework</groupId>

            <artifactId>spring-aspects</artifactId>

        </dependency>

        <!-- 日志处理 -->

        <dependency>

            <groupId>org.slf4j</groupId>

            <artifactId>slf4j-log4j12</artifactId>

        </dependency>

    </dependencies>

4.4 resource下添加 properties/db.properties

jdbc.driver=com.mysql.jdbc.Driver

jdbc.host=localhost

jdbc.database=stu

jdbc.userName=root

jdbc.passWord=

jdbc.initialSize=0

jdbc.maxActive=20

jdbc.maxIdle=20

jdbc.minIdle=1

jdbc.maxWait=10000

4.5 添加 spring/applicationContext-service.xml

<beans xmlns="http://www.springframework.org/schema/beans"

       xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"

       xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd

    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd

    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

    <!-- 开启注解 spring的扫包范围 -->

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

</beans>

4.6 添加 spring/applicationContext-dao.xml

<beans xmlns="http://www.springframework.org/schema/beans"

       xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"

       xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd

    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd

    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

    <!-- 数据库连接池 -->

    <!-- 加载配置文件 -->

    <context:property-placeholder location="classpath:properties/*.properties" />

    <!-- 数据库连接池 -->

    <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"

          destroy-method="close">

        <property name="driverClassName" value="${jdbc.driver}" />

        <property name="url"

                  value="jdbc:mysql://${jdbc.host}:3306/${jdbc.database}?useUnicode=true&amp;characterEncoding=utf-8&amp;zeroDateTimeBehavior=convertToNull" />

        <property name="username" value="${jdbc.userName}" />

        <property name="password" value="${jdbc.passWord}" />

        <!-- 初始化连接大小 -->

        <property name="initialSize" value="${jdbc.initialSize}"></property>

        <!-- 连接池最大数量 -->

        <property name="maxActive" value="${jdbc.maxActive}"></property>

        <!-- 连接池最大空闲 -->

        <property name="maxIdle" value="${jdbc.maxIdle}"></property>

        <!-- 连接池最小空闲 -->

        <property name="minIdle" value="${jdbc.minIdle}"></property>

    </bean>

    <!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->

    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">

        <property name="dataSource" ref="dataSource" />

        <!-- 自动扫描mapping.xml文件 -->

        <property name="mapperLocations" value="classpath:mappings/*.xml"></property>

    </bean>

    <!-- 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="com.stu.dao" />

        <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" />

    </bean>

</beans>

4.7 添加 spring/applicationContext-trans.xml （事物管理器、AOP切面设置）

<beans xmlns="http://www.springframework.org/schema/beans"

       xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"

       xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"

       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd

    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd

    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd

    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd">

    <!-- 事务管理器 -->

    <bean id="transactionManager"

          class="org.springframework.jdbc.datasource.DataSourceTransactionManager">

        <!-- 数据源 -->

        <property name="dataSource" ref="dataSource" />

    </bean>

    <!-- 通知 -->

    <tx:advice id="txAdvice" transaction-manager="transactionManager">

        <tx:attributes>

            <!-- 传播行为 -->

            <tx:method name="save*" propagation="REQUIRED" />

            <tx:method name="insert*" propagation="REQUIRED" />

            <tx:method name="add*" propagation="REQUIRED" />

            <tx:method name="create*" propagation="REQUIRED" />

            <tx:method name="delete*" propagation="REQUIRED" />

            <tx:method name="update*" propagation="REQUIRED" />

            <tx:method name="find*" propagation="SUPPORTS" read-only="true" />

            <tx:method name="select*" propagation="SUPPORTS" read-only="true" />

            <tx:method name="get*" propagation="SUPPORTS" read-only="true" />

        </tx:attributes>

    </tx:advice>

    <!-- 切面 -->

    <aop:config>

        <aop:advisor advice-ref="txAdvice"

                     pointcut="execution(* com.stu.service.*.*(..))" />

    </aop:config>

</beans>

4.8 使用 generator 生成数据ORM映射文件，生成表结构对应的 entity实体类、mapper类、mapping.xml文件

4.9 web.xml 配置加载sping文件

<!-- 加载spring容器 -->

    <context-param>

        <param-name>contextConfigLocation</param-name>

        <param-value>classpath:spring/applicationContext-*.xml</param-value>

    </context-param>

    <listener>

    <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

    </listener>

4.10 测试MyBatis是否整合成功

@Controller

public class VideoTypeController {

    private Logger logger = Logger.getLogger(VideoTypeController.class);

    @Autowired

    private VideoTypeService videoTypeService;

    @ResponseBody

    @RequestMapping("/getVideoTypeList")

    public List<VideoType> getVideoTypeList(){

        List<VideoType> videoTypeList = videoTypeService.getVideoTypeList(null);

        for (VideoType vt : videoTypeList) {

            logger.error(vt.toString());

        }

        return videoTypeList;

    }

}

五、Spring整合log4j

　　在 resource 添加 properties/log4j.properties

### set log levels ###

log4j.rootLogger =INFO,DEBUG,stdout,R

log4j.appender.stdout = org.apache.log4j.ConsoleAppender

log4j.appender.stdout.Target = System.out

log4j.appender.stdout.layout = org.apache.log4j.PatternLayout

log4j.appender.stdout.layout.ConversionPattern = [%-5p]%d{yyyy-MM-ddHH:mm:ss,SSS}method:%l%n%m%n

log4j.appender.D = org.apache.log4j.DailyRollingFileAppender

log4j.appender.D.File = E://logs/log.log

log4j.appender.D.Append = true

log4j.appender.D.Threshold = DEBUG

log4j.appender.D.layout = org.apache.log4j.PatternLayout

log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-ddHH:mm:ss}[%t:%r]-[%p]%m%n

log4j.appender.E = org.apache.log4j.DailyRollingFileAppender

log4j.appender.E.File =E://logs/error.log

log4j.appender.E.Append = true

log4j.appender.E.Threshold = ERROR

log4j.appender.E.layout = org.apache.log4j.PatternLayout

log4j.appender.E.layout.ConversionPattern = %-d{yyyy-MM-ddHH:mm:ss}[%t:%r]-[%p]%m%n

　　在web.xml配置加载log4j

<!--设置log4j的配置文件位置 -->

    <context-param>

        <param-name>log4jConfigLocation</param-name>

        <param-value>/WEB-INF/classes/properties/log4j.properties</param-value>

    </context-param>

    <!--使用监听加载log4j的配置文件 -->

    <listener>

        <listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>

    </listener>

　　使用API： private static Logger log = Logger.getLogger(TestController.class);

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