spring+springMVC+hibernate+druid+log4j+ehcache配置

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本次介绍spring+springMVC+hibernate+druid+log4j的配置

所有的配置文件都放在maven创建的项目 src\main\resources 文件夹下

一、下载各个框架的相关JAR文件(pom.xml文件如下)

<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/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>com.ge</groupId>
	<artifactId>ssh</artifactId>
	<packaging>war</packaging>
	<version>1.0</version>
	<name>ssh Maven Webapp</name>
	<url>http://maven.apache.org</url>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<junit.version>4.12</junit.version>
		<log4j.version>1.2.17</log4j.version>
		<slf4j.version>1.7.25</slf4j.version>
		<spring.version>4.3.14.RELEASE</spring.version>
		<hibernate.version>4.3.11.Final</hibernate.version>
		<hibernate.validator.version>5.4.1.Final</hibernate.validator.version>
		<aspect.version>1.8.9</aspect.version>
		<jstl.version>1.2</jstl.version>
		<jackson.version>2.9.5</jackson.version>
		<mysql.version>5.1.38</mysql.version>
		<druid.version>1.1.10</druid.version>
		<commons.io.version>2.4</commons.io.version>
		<commons.fileupload.version>1.3.1</commons.fileupload.version>
		<ehcache.version>2.10.6</ehcache.version>
	</properties>

	<dependencies>

		<!-- 引入spring框架与ehcache框架的兼容JAR包 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context-support</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<!-- 引入ehcache二级缓存相关JAR包 -->
		<dependency>
			<groupId>net.sf.ehcache</groupId>
			<artifactId>ehcache</artifactId>
			<version>${ehcache.version}</version>
		</dependency>

		<!-- 引入文件上传需要的JAR包 -->
		<dependency>
			<groupId>commons-io</groupId>
			<artifactId>commons-io</artifactId>
			<version>${commons.io.version}</version>
		</dependency>

		<dependency>
			<groupId>commons-fileupload</groupId>
			<artifactId>commons-fileupload</artifactId>
			<version>${commons.fileupload.version}</version>
		</dependency>

		<!-- 引入阿里的数据源连接池 -->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
			<version>${druid.version}</version>
		</dependency>

		<!-- 引入springmvc框架的相关JAR包 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<!-- 引入hibernate的验证框架 -->
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-validator</artifactId>
			<version>${hibernate.validator.version}</version>
		</dependency>

		<!-- 引入jstl,springmvc才能识别标准标签库 -->
		<dependency>
			<groupId>javax.servlet</groupId>
			<artifactId>jstl</artifactId>
			<version>${jstl.version}</version>
		</dependency>
		
		<!-- 引入slf4j日志标准,作用:适配其他具体的日志框架,如:log4j,logback…… -->
		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-api</artifactId>
			<version>${slf4j.version}</version>
		</dependency>

		<dependency>
			<groupId>org.slf4j</groupId>
			<artifactId>slf4j-log4j12</artifactId>
			<version>${slf4j.version}</version>
		</dependency>

		<!-- 导入jackson工具JAR包 -->
		<dependency>
			<groupId>com.fasterxml.jackson.core</groupId>
			<artifactId>jackson-databind</artifactId>
			<version>${jackson.version}</version>
		</dependency>
		
		<!-- 引入第3方的切面框架AspectJrt的相关JAR文件 -->
		<dependency>
			<groupId>org.aspectj</groupId>
			<artifactId>aspectjrt</artifactId>
			<version>${aspect.version}</version>
		</dependency>

		<dependency>
			<groupId>org.aspectj</groupId>
			<artifactId>aspectjweaver</artifactId>
			<version>${aspect.version}</version>
		</dependency>

		<!-- 引入与mysql连接的驱动包 -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>${mysql.version}</version>
		</dependency>

		<!-- 导入spring容器相关JAR文件 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>${spring.version}</version>
		</dependency>


		<!-- 导入spring容器整合ORM框架的相关JAR文件 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-orm</artifactId>
			<version>${spring.version}</version>
		</dependency>

		<!-- 引入spring框架兼容Junit单元测试框架的相关JAR包 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>${spring.version}</version>
			<scope>test</scope>
		</dependency>

		<!-- 导入junit单元测试框架JAR包 -->
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>${junit.version}</version>
			<scope>test</scope>
		</dependency>

		<!-- 导入LOG4J日志框架JAR包 -->
		<dependency>
			<groupId>log4j</groupId>
			<artifactId>log4j</artifactId>
			<version>${log4j.version}</version>
		</dependency>

		<!-- 导入hibernate持久层框架JAR包 -->
		<dependency>
			<groupId>org.hibernate</groupId>
			<artifactId>hibernate-core</artifactId>
			<version>${hibernate.version}</version>
		</dependency>

	</dependencies>
	<build>
		<finalName>ssh</finalName>
		<pluginManagement>
			<!-- 配置maven 在构建项目时,采用相关插件 -->
			<plugins>
				<plugin>
					<groupId>org.apache.maven.plugins</groupId>
					<artifactId>maven-compiler-plugin</artifactId>
					<version>3.8.0</version>
					<configuration>
						<source>1.8</source>
						<target>1.8</target>
					</configuration>
				</plugin>
			</plugins>
		</pluginManagement>
	</build>
</project>

二、根据需求分析设计阶段的设计结果,完成项目的包结构,以及类结构

三、编写对应的配置文件,applicationContext.xml,spring-mvc.xml,log4j.properties,web.xml,mysql.properties

      log4j.properties也可以换成log4j.xml

mysql.properties配置(配置与数据库的连接信息)

jdbc.url=jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=UTF8&allowMultiQueries=true
jdbc.username=root
jdbc.password=1234

applicationContext.xml配置(配置的是业务层以下)

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<?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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:cache="http://www.springframework.org/schema/cache"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
						http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
						http://www.springframework.org/schema/context
        http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/aop 
        http://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/cache
        http://www.springframework.org/schema/cache/spring-cache.xsd">

	<!-- 第1步:开启spring容器的自动扫描功能 -->
	<context:component-scan base-package="com.ge.ssh">
		<context:exclude-filter type="annotation"
			expression="org.springframework.stereotype.Controller" />

	</context:component-scan>

	<!-- 第2步:引入外部的数据库配置描述文件 -->
	<context:property-placeholder location="classpath:mysql.properties" />
 
	<!-- 第3步:配置数据源连接池:C3P0,DBCP2,DRUID -->
	<!-- destroy-method="close" 该方法代表spring容器在销毁时,需要调用close(),关闭掉所有的数据库连接对象 -->
	<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource"
		init-method="init" destroy-method="close">
		<!-- 配置连接数据库最基本的3元素 (驱动可忽略) -->
		<property name="url" value="${jdbc.url}" />
		<property name="username" value="${jdbc.username}" />
		<property name="password" value="${jdbc.password}" />


		<!-- 最大连接数 -->
		<property name="maxActive" value="20" />
		<!-- 初始化数量 -->
		<property name="initialSize" value="1" />
		<!-- 创建连接的超时时间,单位:毫秒 -->
		<property name="maxWait" value="60000" />
		<!-- 最小连接数 -->
		<property name="minIdle" value="1" />

		<!-- 配置校验语句 -->
		<property name="validationQuery" value="select now() from dual" />
		<!-- 配置校验(连接空闲时,借出时,归还时) -->
		<property name="testWhileIdle" value="true" />
		<property name="testOnBorrow" value="false" />
		<property name="testOnReturn" value="false" />

		<!-- 配置是否允许PreparedStatements对象的缓存 -->
		<property name="poolPreparedStatements" value="true" />
		<property name="maxOpenPreparedStatements" value="20" />

		<!-- 配置间隔多久才进行一次检测,检测需要关闭的空闲连接,单位是毫秒 -->
		<property name="timeBetweenEvictionRunsMillis" value="60000" />

		<!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
		<property name="minEvictableIdleTimeMillis" value="300000" />
		<!-- 配置连接池中,创建连接时,采用异步|同步方式来进行创建,默认是:异步 -->
		<property name="asyncInit" value="true" />
		<!-- 配置额外的扩展插件:stat 代表开启监控程序,wall 代表开启防SQL注入功能 -->
		<property name="filters" value="wall" />
		<!-- 如果有定制化的过滤器,可以使用proxyFilters 去做一个引用 -->
		<property name="proxyFilters">
			<list>
				<ref bean="stat-filter" />
				<ref bean="log-filter" />
			</list>
		</property>


	</bean>

	<!-- 定制化的监控过滤器 -->
	<bean id="stat-filter" class="com.alibaba.druid.filter.stat.StatFilter">
		<property name="slowSqlMillis" value="200" />
		<property name="logSlowSql" value="true" />
	</bean>

	<!-- 定制化的日志过滤器 -->
	<bean id="log-filter" class="com.alibaba.druid.filter.logging.Log4jFilter">
		<!-- 开启数据源相关的日志记录 -->
		<property name="dataSourceLogEnabled" value="true" />
		<!-- 连接错误时,记录相关日志 -->
		<property name="connectionLogErrorEnabled" value="true"></property>
		<!-- 预编译对象,发生错误时记录相关日志 -->
		<property name="statementLogErrorEnabled" value="true"></property>
	</bean>


	<!-- 第4步,配置SessionFactory -->
	<bean id="sessionFactory"
		class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
		<property name="dataSource" ref="dataSource"></property>
		<!-- 开启自动扫描功能,扫描使用JPA规范(注解),完成ORM映射关系的实体类 -->
		<property name="packagesToScan">
			<array>
				<value>com.gezhi.ssh.bean</value>
				<!-- <value>com.ge.sh.bean02</value> -->
			</array>
		</property>

		<!-- 假设你们公司,还在用XML完成ORM映射,那么就应该采用如下方式,完成注册 -->
		<!-- <property name="mappingResources"> <array> <value>com/ge/sh/xmls/UserBean.hbm.xml</value> 
			</array> </property> -->

		<!-- 配置跟 hibernate 相关的一些配置 -->
		<property name="hibernateProperties">
			<props>
				<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
				<prop key="hibernate.show_sql">true</prop>
				<prop key="hibernate.format_sql">true</prop>
			</props>
		</property>
	</bean>

	<!-- 第5步,配置事务管理器 -->
	<bean id="transactionManager"
		class="org.springframework.orm.hibernate4.HibernateTransactionManager">
		<property name="sessionFactory" ref="sessionFactory" />
	</bean>

	<!-- 配置hibernate模板操作类 -->
	<bean id="hibernateTemplate" class="org.springframework.orm.hibernate4.HibernateTemplate">
		<property name="sessionFactory" ref="sessionFactory"></property>
	</bean>


	<!-- 第6步,配置spring管理事务的2种方式:编程式事务管理,声明式事务管理 -->
	<!-- 编程式事务管理 需要在业务类中,借助TransactionTemplate,PlatformTransactionManager 完成对业务逻辑 
		的逻辑事务管理 -->
	<!-- 声明式事务管理,第1种方式,采用AOP管理业务逻辑事务 -->
	<tx:advice id="txAdvice" transaction-manager="transactionManager">
		<tx:attributes>

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

			<tx:method name="save*" read-only="false" rollback-for="java.lang.Exception"
				propagation="REQUIRED" />
			<tx:method name="add*" read-only="false" rollback-for="java.lang.Exception"
				propagation="REQUIRED" />
			<tx:method name="insert*" read-only="false" rollback-for="java.lang.Exception"
				propagation="REQUIRED" />
			<tx:method name="create*" read-only="false" rollback-for="java.lang.Exception"
				propagation="REQUIRED" />

			<tx:method name="update*" read-only="false" rollback-for="java.lang.Exception"
				propagation="REQUIRED" />
			<tx:method name="modify*" read-only="false" rollback-for="java.lang.Exception"
				propagation="REQUIRED" />
			<tx:method name="change*" read-only="false" rollback-for="java.lang.Exception"
				propagation="REQUIRED" />

			<tx:method name="delete*" read-only="false" rollback-for="java.lang.Exception"
				propagation="REQUIRED" />
			<tx:method name="remove*" read-only="false" rollback-for="java.lang.Exception"
				propagation="REQUIRED" />

		</tx:attributes>
	</tx:advice>

	<aop:config>
		<aop:pointcut id="txMagPoint"
			expression="execution(* com.ge.ssh.*mag.service.impl.*.*(..))" />
		<aop:advisor advice-ref="txAdvice" pointcut-ref="txMagPoint" />
	</aop:config>

	<!-- 声明式事务管理,第2种方式,使用@Transactional管理业务逻辑事务 -->
	<!-- 开启事务的注解支持 -->
	<!-- <tx:annotation-driven transaction-manager="transactionManager"/> -->

	<!-- 第7步,开启切面动态代理支持 -->
	<aop:aspectj-autoproxy></aop:aspectj-autoproxy>

	<!-- 第8步(非必须),spring整合ehcache 开始 -->

	<bean id="cacheManager" class="org.springframework.cache.ehcache.EhCacheCacheManager"
		p:cache-manager-ref="ehcache" />

	<bean id="ehcache"
		class="org.springframework.cache.ehcache.EhCacheManagerFactoryBean"
		p:config-location="classpath:ehcache.xml" />

	<!-- 开启spring的注解缓存支持 -->
	<cache:annotation-driven />
	<!-- spring整合ehcache 结束 -->

	<!-- 第9步(非必须),配置druid支持spring监控(监控业务代码处理时间) -->
	<bean id="druid-stat-interceptor"
		class="com.alibaba.druid.support.spring.stat.DruidStatInterceptor">
	</bean>
	<bean id="druid-stat-pointcut" class="org.springframework.aop.support.JdkRegexpMethodPointcut"
		scope="prototype">
		<property name="patterns">
			<list>
				<value>com.ge.ssh.*mag.service.impl.*</value>
			</list>
		</property>
	</bean>

	<aop:config>
		<aop:advisor advice-ref="druid-stat-interceptor"
			pointcut-ref="druid-stat-pointcut" />
	</aop:config>



</beans>

chcache.xml配置(用了缓存才进行配置)

<ehcache>
	<!-- 定义缓存数据存放的位置:java.io.tmpdir (默认为内存空间),如果要修改位置:/home/lilinhan/  d:/ehcache  -->
    <diskStore path="java.io.tmpdir"/>

	<!-- 定义默认的缓存配置 -->
    <cache
    	name="users"
        maxElementsInMemory="10000"
        eternal="false"
        timeToIdleSeconds="120"
        timeToLiveSeconds="120"
        overflowToDisk="true"
        memoryStoreEvictionPolicy="LRU"
        />
        
        <!-- maxElementsInMemory="10000" 定义缓存中,可以存放数据的数据量 -->
        <!-- eternal="false" 设置存放的元素是否是"常量" -->
        <!-- timeToIdleSeconds="120" 设置元素在缓存空间中,不使用的情况下,默认的存活时间,单位是:秒 -->
        <!-- timeToLiveSeconds="120" 设置元素在缓存空间中,如果发生调用,需要重置的存活时间(只重置1次),单位是:秒 -->
        <!--  overflowToDisk="true" 当内存不足存储10000多个对象时,是否启动硬盘存储 -->
        <!-- memoryStoreEvictionPolicy="LRU" 设置缓存清理策略:LRU 最近最少使用    LFU 最少使用   FIFO 先进先出 -->

		 <cache name="roles"
	        maxElementsInMemory="10000"
	        eternal="false"
	        timeToIdleSeconds="120"
	        timeToLiveSeconds="120"
	        overflowToDisk="true"
	        memoryStoreEvictionPolicy="LRU"
        />


</ehcache>

spring-mvc.xml配置(配置的是表现层的东西)

<?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-3.0.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">

	<!-- 开启spring容器的自动扫描功能 -->
	<context:component-scan base-package="com.ge.ssh">
		<!-- context:exclude-filter 排除过滤器 -->
		<!-- context:include-filter 包含过滤器 -->

		<!-- 定义容器在扫描时,需要排除组件的过滤器, 过滤器的类型有:annotation(注解),assignable(类),aspectj(切面),regex(正则过滤器) -->
		<context:exclude-filter type="annotation"
			expression="org.springframework.stereotype.Service" />
		<context:exclude-filter type="annotation"
			expression="org.springframework.stereotype.Repository" />

	</context:component-scan>

	<!-- 开启springmvc的注解支持 -->
	<mvc:annotation-driven conversion-service="conversionService"
		validator="localValidatorFactoryBean">
		<mvc:message-converters>
			<bean
				class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter">
				<property name="supportedMediaTypes">
					<list>
						<value>application/json; charset=UTF-8</value>
						<value>application/x-www-form-urlencoded; charset=UTF-8</value>
					</list>
				</property>
				<!-- 配置 objectMapper 为我们自定义扩展后的 CustomMapper -->
				<property name="objectMapper">
					<bean class="com.ge.ssh.util.CustomMapper"></bean>
				</property>
			</bean>
		</mvc:message-converters>
	</mvc:annotation-driven>

	<!-- 指定静态资源文件的位置 -->
	<mvc:resources location="/static/" mapping="/static/**"></mvc:resources>

	<!-- 定义spring框架的转换工厂,并且向转换工厂中注册"自定义的转换器" -->
	<bean id="conversionService"
		class="org.springframework.context.support.ConversionServiceFactoryBean">
		<property name="converters">
			<set>
				<bean class="com.ge.ssh.converter.StringToDateConverter"></bean>
			</set>
		</property>
	</bean>

	<!-- 配置spring框架提供的验证工厂,并告知我们验证框架使用的是Hibernate 提供的验证框架 -->
	<bean id="localValidatorFactoryBean"
		class="org.springframework.validation.beanvalidation.LocalValidatorFactoryBean">
		<property name="providerClass" value="org.hibernate.validator.HibernateValidator"></property>

	</bean>


	<!-- 配置文件上传解析器,ID固定为:multipartResolver -->
	<bean id="multipartResolver"
		class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
		<!-- 设置每次最大允许上传100M的内容,单位是:byte -->
		<property name="maxUploadSize" value="104857600"></property>
		<!-- 设置每次单个文件,最大允许上传10M的内容,单位是:byte -->
		<property name="maxUploadSizePerFile" value="10485760"></property>
		<!-- 设置解析文件时,采用utf-8的字符集进行编码 -->
		<property name="defaultEncoding" value="utf-8"></property>
		<!-- 保留源文件的名称 -->
		<property name="preserveFilename" value="true"></property>
	</bean>



	<!-- 配置视图解析器 -->
	<bean id="internalResourceViewResolver"
		class="org.springframework.web.servlet.view.UrlBasedViewResolver">
		<property name="viewClass"
			value="org.springframework.web.servlet.view.JstlView"></property>
		<!-- 前缀 -->
		<property name="prefix" value="/"></property>
		<!-- 后缀 -->
		<property name="suffix" value=".jsp"></property>
	</bean>
</beans>

可以注意到我们配置了一个CustomMapper,这个是用来替换objectMapper的,因为我们要向前端返回json数据,表现层中,调用底层接口的时候,因为有延时加载(懒加载),比如我们做查询的时候,第一次查询结束后,还没有开始第二次的懒加载操作的时候,作为的时候这时候objectMapper就将我们的对象进行序列化了,而这时候关联对象还没有进行查找,所以关联对象的属性就为空,这时候就会报,因为属性为空,无法序列化的错误。

CustomMapper继承自objectMapper,代码如下:

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
/**
 * 自定义Jackson中的核心解析类
 * @author Administrator
 *
 */
public class CustomMapper extends ObjectMapper{
	/**
	 * 
	 */
	private static final long serialVersionUID = -431687360027624006L;

	public CustomMapper() {
        this.setSerializationInclusion(JsonInclude.Include.NON_NULL);
        
        // 设置 SerializationFeature.FAIL_ON_EMPTY_BEANS 为 false
        // 如果在序列化对象的空关联对象时,空的关联对象,将不会参与到对象的序列化
        this.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
    }

}

lg4j.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE log4j:configuration PUBLIC "-//log4j/log4j Configuration//EN" "log4j.dtd">
<log4j:configuration>
	<!-- appender 代表输出,用于指定日志输出的位置 -->
	<!-- STDOUT 系统启动日志级别 -->
	<appender name="console" class="org.apache.log4j.ConsoleAppender">
		<layout class="org.apache.log4j.PatternLayout">
			<param name="conversionPattern" value="%c %d{yyyy-MM-dd hh:mm:ss} %p %m%n"/>
		</layout>
		<filter class="org.apache.log4j.varia.LevelRangeFilter">
			<param name="levelMin" value="INFO"/>
		</filter>
	</appender>
	<appender name="D" class="org.apache.log4j.RollingFileAppender">
			<!-- file 存放的文件名 -->
			<param name="file" value="d://logs/ssh-debug.log"/>
			<param name="append" value="true"/>
			<param name="maxFileSize" value="10240KB"/><!-- maxFileSize 文件的最大容量 -->
			<param name="maxBackupIndex" value="10"/>
		
		<layout class="org.apache.log4j.PatternLayout">
			<param name="conversionPattern" value="%c %d{yyyy-MM-dd hh:mm:ss} %p %m%n"/>
		</layout>
		<filter class="org.apache.log4j.varia.LevelRangeFilter">
			<param name="levelMin" value="DEBUG"/>
			<param name="levelMax" value="DEBUG"/>
		</filter>
	</appender>
	<appender name="I" class="org.apache.log4j.RollingFileAppender">
			<!-- file 存放的文件名 -->
			<param name="file" value="d://logs/ssh-info.log"/>
			<param name="append" value="true"/>
			<param name="maxFileSize" value="10240KB"/><!-- maxFileSize 文件的最大容量 -->
			<param name="maxBackupIndex" value="10"/>
		
		<layout class="org.apache.log4j.PatternLayout">
			<param name="conversionPattern" value="%c %d{yyyy-MM-dd hh:mm:ss} %p %m%n"/>
		</layout>
		<filter class="org.apache.log4j.varia.LevelRangeFilter">
			<param name="levelMin" value="INFO"/>
			<param name="levelMax" value="INFO"/>
		</filter>
	</appender>
	
	<appender name="W" class="org.apache.log4j.RollingFileAppender">
			<!-- file 存放的文件名 -->
			<param name="file" value="d://logs/ssh-warn.log"/>
			<param name="append" value="true"/>
			<param name="maxFileSize" value="10240KB"/><!-- maxFileSize 文件的最大容量 -->
			<param name="maxBackupIndex" value="10"/>
		
		<layout class="org.apache.log4j.PatternLayout">
			<param name="conversionPattern" value="%c %d{yyyy-MM-dd hh:mm:ss} %p %m%n"/>
		</layout>
		<filter class="org.apache.log4j.varia.LevelRangeFilter">
			<param name="levelMin" value="WARN"/>
			<param name="levelMax" value="WARN"/>
		</filter>
	</appender>
	
	<appender name="E" class="org.apache.log4j.RollingFileAppender">
			<!-- file 存放的文件名 -->
			<param name="file" value="d://logs/ssh-error.log"/>
			<param name="append" value="true"/>
			<param name="maxFileSize" value="10240KB"/><!-- maxFileSize 文件的最大容量 -->
			<param name="maxBackupIndex" value="10"/>
		
		<layout class="org.apache.log4j.PatternLayout">
			<param name="conversionPattern" value="%c %d{yyyy-MM-dd hh:mm:ss} %p %m%n"/>
		</layout>
		<filter class="org.apache.log4j.varia.LevelRangeFilter">
			<param name="levelMin" value="ERROR"/>
			<param name="levelMax" value="ERROR"/>
		</filter>
	</appender>
	
	<appender name="druid" class="org.apache.log4j.RollingFileAppender">
			<!-- file 存放的文件名 -->
			<param name="file" value="d://logs/druid-slow-sql.log"/>
			<param name="append" value="true"/>
			<param name="maxFileSize" value="10240KB"/><!-- maxFileSize 文件的最大容量 -->
			<param name="maxBackupIndex" value="10"/>
		
		<layout class="org.apache.log4j.PatternLayout">
			<param name="conversionPattern" value="%c %d{yyyy-MM-dd hh:mm:ss} %p %m%n"/>
		</layout>
		
		<filter class="com.ge.ssh.filter.DruidLogAcceptFilter">
			<param name="keyword" value="com.alibaba"/>
			<param name="level" value="ERROR"/>
		</filter>
	</appender>
	
	
	<root>
		<priority value="INFO"></priority>
		<appender-ref ref="console"/>
		<appender-ref ref="D"/>
		<appender-ref ref="I"/>
		<appender-ref ref="W"/>
		<appender-ref ref="E"/>
		<appender-ref ref="druid"/>
	</root>
</log4j:configuration>

对于日志文件的记录中,因为开启了druid的监控日志,所以,在druid-slow-sql.log日志文件中只显示相关的信息,所以需要排除其他信息,这里就调用了DruidLogAcceptFilter过滤器,代码如下:

import org.apache.log4j.spi.Filter;
import org.apache.log4j.spi.LoggingEvent;

public class DruidLogAcceptFilter extends Filter {

	private String keyword;
	private Level level;

	@Override
	public int decide(LoggingEvent event) {
		// TODO Auto-generated method stub
		// 得到正在记录日志的类的类名
		String msg = event.getLocationInformation().getClassName();
		if (msg.contains(keyword) && event.getLevel() == level) {
			return Filter.ACCEPT;
		} else {
			return Filter.DENY;
		}
	}

	public String getKeyword() {
		return keyword;
	}

	public void setKeyword(String keyword) {
		this.keyword = keyword;
	}

	public Level getLevel() {
		return level;
	}

	public void setLevel(Level level) {
		this.level = level;
	}
}

web.xml配置

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">

	<!-- 利用后面配置的监听器,在容器启动时就去加载该文件-->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath:applicationContext.xml</param-value>
	</context-param>

	<!-- <context-param>
		<param-name>log4jConfigLocation</param-name>
		<param-value>classpath:log4j.properties</param-value>
	</context-param> -->
	
	<!-- 利用后面配置的监听器,在容器启动时就去加载该文件-->
	<context-param>
		<param-name>log4jConfigLocation</param-name>
		<param-value>classpath:log4j.xml</param-value>
	</context-param>

	<!-- spring容器间隔1分钟,扫描一次log4j.properties文件或log4j.xml文件的变化 -->
	<context-param>
		<param-name>log4jRefreshInterval</param-name>
		<param-value>60000</param-value>
	</context-param>

	<!-- 配置一系列的过滤器 -->
	<!-- 配置OpenSessionInViewFilter 的作用:在同一个视图范围内, 发起的一次请求范围内,Session的生命周期与处理该请求的线程生命周期,保持一致,Session不关闭, 
		当请求正常处理完成了,然后在关闭Session,从而解决懒加载过程中的no session问题 -->
	<filter>
		<filter-name>openSessionInViewFilter</filter-name>
		<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
	</filter>

	<!-- 配置字符编码过滤器 -->
	<filter>
		<filter-name>characterEncodingFilter</filter-name>
		<filter-class>com.ge.ssh.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>

	<!-- 配置DRUID的监控程序,需要排除如下uri发过来的请求(例如:不需要针对.js这种请求,进行监控) -->
	<filter>
		<filter-name>druidWebStatFilter</filter-name>
		<filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>
		<init-param>
			<param-name>exclusions</param-name>
			<param-value>*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*</param-value>
		</init-param>
	</filter>

	<!-- 配置PUT支持表单提交过滤器 -->
	<filter>
		<filter-name>httpPutFormContentFilter</filter-name>
		<filter-class>org.springframework.web.filter.HttpPutFormContentFilter</filter-class>
	</filter>
	<!-- 配置表单支持PUT,DELETE提交的过滤器 -->
	<filter>
		<filter-name>hiddenHttpMethodFilter</filter-name>
		<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
	</filter>
	<filter>
		<filter-name>httpPUTOrDelete2GetFilter</filter-name>
		<filter-class>com.ge.ssh.filter.HttpPUTOrDelete2GetFilter</filter-class>
	</filter>

	<filter-mapping>
		<filter-name>openSessionInViewFilter</filter-name>
		<servlet-name>centerController</servlet-name>
	</filter-mapping>
	<filter-mapping>
		<filter-name>characterEncodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<filter-mapping>
		<filter-name>druidWebStatFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<filter-mapping>
		<filter-name>httpPutFormContentFilter</filter-name>
		<servlet-name>centerController</servlet-name>
	</filter-mapping>
	<filter-mapping>
		<filter-name>hiddenHttpMethodFilter</filter-name>
		<servlet-name>centerController</servlet-name>
	</filter-mapping>
	<filter-mapping>
		<filter-name>httpPUTOrDelete2GetFilter</filter-name>
		<servlet-name>centerController</servlet-name>
		<dispatcher>FORWARD</dispatcher>
	</filter-mapping>


	<!-- 通过监听器,开启其他层的spring容器 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<!-- 通过前端控制器,开启WEB层的spring容器 -->
	<servlet>
		<servlet-name>centerController</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>

	<!-- 开启Druid的内置监控页面 -->
	<servlet>
		<servlet-name>druidStatView</servlet-name>
		<servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
		<init-param>
			<!-- 允许清空统计数据 -->
			<param-name>resetEnable</param-name>
			<param-value>true</param-value>
		</init-param>
		<init-param>
			<!-- 允许访问监听系统IP地址(白名单) -->
			<param-name>allow</param-name>
			<param-value>127.0.0.1</param-value>
		</init-param>
		<init-param>
			<!-- 用户名 -->
			<param-name>loginUsername</param-name>
			<param-value>admin</param-value>
		</init-param>
		<init-param>
			<!-- 密码 -->
			<param-name>loginPassword</param-name>
			<param-value>123456</param-value>
		</init-param>
	</servlet>

	<servlet-mapping>
		<servlet-name>centerController</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

	<!-- 监控地址:http://localhost/ssh/druid/login.html -->
	<servlet-mapping>
		<servlet-name>druidStatView</servlet-name>
		<url-pattern>/druid/*</url-pattern>
	</servlet-mapping>

</web-app>

本篇配置spring+springMVC+hibernate+druid+ehcache涉及到的一些过滤器、转换器等:

https://blog.csdn.net/IT_CREATE/article/details/86593310

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转载自blog.csdn.net/IT_CREATE/article/details/86592388