Spring、Spring MVC、Mybatis开发环境搭建
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1.引入第三方Jar包或者用Maven的pom添加依赖
<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.candle</groupId> <artifactId>home-finance-sample</artifactId> <packaging>war</packaging> <version>0.0.1-SNAPSHOT</version> <name>home-finance-sample Maven Webapp</name> <url>http://maven.apache.org</url> <build> <finalName>home-finance-sample</finalName> </build> <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.11</version> <scope>test</scope> </dependency> <!-- spring jar --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>3.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context</artifactId> <version>3.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>3.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-tx</artifactId> <version>3.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-aop</artifactId> <version>3.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-beans</artifactId> <version>3.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-jdbc</artifactId> <version>3.2.6.RELEASE</version> </dependency> <!-- spring mvc jar --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>3.2.6.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>3.2.6.RELEASE</version> </dependency> <!-- mybatis jar --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.4</version> </dependency> <!-- mybatis-spring jar --> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <!-- mysql-connector-java jar --> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.28</version> </dependency> <!-- 数据库连接池 jar --> <dependency> <groupId>commons-dbcp</groupId> <artifactId>commons-dbcp</artifactId> <version>1.4</version> </dependency> <dependency> <groupId>commons-pool</groupId> <artifactId>commons-pool</artifactId> <version>1.6</version> </dependency> <!-- log jar --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artifactId> <version>1.2.17</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-api</artifactId> <version>1.7.5</version> </dependency> <dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.7.5</version> </dependency> <!-- jsp Template jar --> <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>2.3.20</version> </dependency> <!-- apache servlet api jar --> <dependency> <groupId>org.apache.tomcat</groupId> <artifactId>servlet-api</artifactId> <version>6.0.37</version> </dependency> </dependencies></project>2.配置web.xml文件
<?xml version="1.0" encoding="UTF-8"?><web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <!-- 配置session超时时间，单位分钟 --> <session-config> <session-timeout>-1</session-timeout> </session-config> <!-- 字符集 过滤器 --> <filter> <filter-name>encodingFilter</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>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <!-- 加载spring文件 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value> classpath:/config/spring/spring-common.xml </param-value> </context-param> <!-- ContextLoaderListener启动容器，在启动Web容器时,自动装配Spring applicationContext.xml的配置信息 --> <listener> <listener-class> org.springframework.web.context.ContextLoaderListener </listener-class> </listener> <!-- 配置监听器 根据需要选配--> <listener> <listener-class> com.sz.mt.listener.LoginListenner </listener-class> </listener> <!-- SpringMVC 配置，配置文件名称默认为{servlet-name}-servlet.xml，路径默认在/WEB-INF/下--> <servlet> <servlet-name>SpringMVC</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value> classpath:/config/spring/springmvc-servlet.xml </param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>SpringMVC</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!-- <servlet> <servlet-name>log4j</servlet-name> <servlet-class>com.sz.mt.listener.Log4jInitServlet</servlet-class> <init-param> <param-name>configfile</param-name> <param-value>/WEB-INF/log4j.properties</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> --><!-- 主要作用是 如果bean想使用作用域为reuqest的时候需要必须配置的--> <listener> <listener-class> org.springframework.web.context.request.RequestContextListener </listener-class> </listener> <!-- 此监听器它的主要作用是负责处理因JavaBean Inteceptor的使用而引起的缓存泄露问题 --> <listener> <listener-class>org.springframework.web.util.IntrospectorCleanupListener </listener-class> </listener> <!-- 把监听启动配置到web中--> <listener-class>com.sz.mt.listener.ServersInit</listener-class> </listener> <!--配置错误页面 --> <error-page> <error-code>500</error-code> <location>/WEB-INF/views/common/timeout.jsp</location> </error-page> <error-page> <error-code>404</error-code> <location>/WEB-INF/views/common/404.jsp</location> </error-page> <error-page> <error-code>403</error-code> <location>/WEB-INF/views/common/timeout.jsp</location> </error-page> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list></web-app>3.spring-common.xml（Spring配置），此处省略config.properties配置的数据库连接的内容
<?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:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:task="http://www.springframework.org/schema/task" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd" > <!--配置缓存--> <import resource="classpath:/config/ehcache/applicationContext-ehcache.xml"/> <mvc:annotation-driven /> <task:annotation-driven/> <aop:aspectj-autoproxy/> <!-- enable autowire --> <context:annotation-config /> <!-- 添加注解驱动 --> <mvc:annotation-driven /> <!-- 自动搜索@Component , @Service , @Repository等标注的类 不搜索@Controller的类 --> <!-- 自动扫描组件，这里要把web下面的 controller去除，他们是在spring3-servlet.xml中配置的，如果不去除会影响事务管理的。 --> <context:component-scan base-package="com.sz.mt" annotation-config="true"> <context:exclude-filter type="annotation" expression="org.springframework.stereotype.Controller" /> </context:component-scan> <!-- 引入属性文件 ——jdbc配置文件 --> <context:property-placeholder location="classpath:/config/ibatis/jdbc.properties" /> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="maxUploadSize" value="1048576000" /> </bean> <!--数据库连接 数据源的方式直接连接——JNDI方式 <bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean"> <property name="jndiName" value="java:comp/env/mt" /> </bean> --> <!--创建jdbc数据源,直连的方式--> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" destroy-method="close"> <property name="url" value="${jdbc.url}" /> <property name="username" value="${jdbc.username}" /> <property name="password" value="${jdbc.password}" /> <property name="driverClassName" value="${jdbc.driverClassName}" /> <property name="filters" value="${jdbc.filters}" /> <!-- 配置初始化大小、最小、最大 --> <property name="initialSize" value="8" /> <property name="minIdle" value="8" /> <property name="maxActive" value="100" /> <!-- 配置获取连接等待超时的时间 --> <property name="maxWait" value="60000" /> <!-- 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" /> <property name="validationQuery" value="SELECT 'x'" /> <property name="testWhileIdle" value="true" /> <property name="testOnBorrow" value="false" /> <property name="testOnReturn" value="false" /> <!-- 打开PSCache，并且指定每个连接上PSCache的大小 --> <property name="poolPreparedStatements" value="true" /> <property name="maxPoolPreparedStatementPerConnectionSize" value="20" /> </bean> <!-- 创建SqlSessionFactory，并指定数据源 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource" /> <property name="configLocation" value="classpath:/config/ibatis/mybatis-config.xml" /> <property name="mapperLocations" value="classpath*:com/sz/mt/dao/*Mapper.xml" /> </bean> <!-- Mapper文件扫描配置工具，Spring将自动扫描对应配置路径下的Mapper --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/> <property name="basePackage" value="com.sz.mt.dao" /> </bean> <!-- 用于持有ApplicationContext,可以使用SpringContextHolder.getBean('xxxx')的静态方法得到spring bean对象 --> <bean class="com.sz.mt.common.springmvc.SpringContextHolder" lazy-init="false" /> <!-- 数据连接事务 --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource" /> </bean> <!--连接事务的注解配置 --> <tx:annotation-driven transaction-manager="transactionManager" /> <!-- <import resource="spring-jedis.xml" /> --></beans>4.spring-servlet.xml文件配置（SpringMVC）
<?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:mvc="http://www.springframework.org/schema/mvc" 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-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <aop:aspectj-autoproxy proxy-target-class="true" /> <!-- 激活 @Required @Autowired,JSR 250's @PostConstruct, @PreDestroy and @Resource 等标注 --> <context:annotation-config /> <!-- 只搜索@Controller 标注的类 不搜索其他标注的类 --> <context:component-scan base-package="com.sz.mt" use-default-filters="false"> <context:include-filter type="annotation" expression="org.springframework.stereotype.Controller" /> </context:component-scan> <!-- controller层的属性和配置文件读入 ,多个用逗号隔开 <context:property-placeholder location="classpath:/config/others/config.properties" /> --> <!-- 应用属性文件读入 --> <bean id="applicationProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean"> <property name="ignoreResourceNotFound" value="true" /> <property name="locations"> <list> <!-- 标准配置 --> <value>classpath:/config/ibatis/jdbc.properties</value> </list> </property> </bean> <!-- 用于持有applicationProperties,将properties转变为静态方法使用,PropertiesHolder.getProperty("somekey") --><!-- <bean class="cn.gov.hnjt.gs.common.utils.PropertiesHolder"> <property name="properties" ref="applicationProperties" /> </bean> <bean id="springContextHolder" class="com.sz.mt.common.springmvc.SpringContextHolder" /> --><!-- PropertyPlaceholderConfigurer,用于spring ${placeholder}的解析 --> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"> <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE" /> <property name="properties" ref="applicationProperties" /> </bean> <!-- 对某些静态资源，如css,图片等进行过滤 ,有引用 "/resources/**" 的路径引用转到工程的/resources/目录取资源 --> <mvc:resources mapping="/resources/**" location="/resources/" /> <mvc:resources mapping="/upload/**" location="/upload/" /> <mvc:resources mapping="/pdf/**" location="/pdf/" /> <mvc:annotation-driven /> <!-- jsp视图 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" /> <property name="prefix" value="/WEB-INF/views/" /> <property name="suffix" value=".jsp" /> </bean> <!-- 针对类、方法级别的权限拦截器 --> <mvc:interceptors> <mvc:interceptor> <!-- <mvc:mapping path="/fileupload" /> --> <mvc:mapping path="/main*" /> <mvc:mapping path="/main/**" /> <mvc:mapping path="/user*" /> <mvc:mapping path="/user/**" /> <bean class="com.sz.mt.common.interseptor.LoginInterceptor"> </bean> </mvc:interceptor> </mvc:interceptors> <!--开发期间注释掉，上线后启用 错误解析器 发生错误默认会跳转到/web-inf/views/timeout.jsp --> <!-- <bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver"> <property name="defaultErrorView" value="timeout" /> <property name="exceptionMappings"> <props> <prop key="java.sql.SQLException">timeout</prop> <prop key="java.lang.RuntimeException">timeout</prop> <prop key="org.springframework.transaction.TransactionException">timeout</prop> <prop key="org.springframework.dao.DataAccessException">timeout</prop> </props> </property> </bean> --> <!-- controller异常统一处理 --> <bean class="com.sz.mt.common.interseptor.ControllerJsonExceptionHandler"> </bean> <!-- ===================================================== --> <!-- ViewResolver For FreeMarker --> <!-- ===================================================== --> <bean id="freemarkerResolver" class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver"> <property name="order" value="1" /> <property name="suffix" value=".ftl" /> <property name="contentType" value="text/html;charset=utf-8" /> <property name="viewClass"> <value>org.springframework.web.servlet.view.freemarker.FreeMarkerView</value> </property> </bean> <!-- ===================================================== --> <!-- ViewResolver For FreeMarkerConfigurer --> <!-- ===================================================== --> <bean id="freemarkerConfig" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer"> <property name="templateLoaderPath"> <value>/views/</value> </property> <property name="freemarkerSettings"><!-- 设置FreeMarker环境属性 --> <props> <prop key="template_update_delay">5</prop><!--刷新模板的周期，单位为秒 --> <prop key="default_encoding">UTF-8</prop><!--模板的编码格式 --> <prop key="locale">UTF-8</prop><!-- 本地化设置 --> <prop key="datetime_format">yyyy-MM-dd HH:mm:ss</prop> <prop key="time_format">HH:mm:ss</prop> <prop key="number_format">0.####</prop> <prop key="boolean_format">true,false</prop> <prop key="whitespace_stripping">true</prop> <prop key="tag_syntax">auto_detect</prop> <prop key="url_escaping_charset">UTF-8</prop> </props> </property> </bean></beans>5.mybatis-config.xml文件（Mybatis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> <mappers> <mapper resource="config/ibatis/common_SqlMap.xml" /> </mappers></configuration>6.common_SqlMap.xml文件配置分页
<?xml version="1.0" encoding="UTF-8" ?><!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" ><mapper namespace="common" > <sql id="Oracle_Pagination_Head" > <if test="oracleStart != null and oracleEnd != null" > <![CDATA[ select y.* from ( select z.*, rownum as oracleStart from ( ]]> </if> </sql> <sql id="Oracle_Pagination_Tail" > <if test="oracleStart != null and oracleEnd != null" > <![CDATA[ ) z where rownum <= #{oracleEnd} ) y where y.oracleStart > #{oracleStart} ]]> </if> </sql></mapper>7.jdbc.properties文件配置
#druid Connectionjdbc.url=jdbc:oracle:thin:@127.0.0.1:1521:ORCLjdbc.driverClassName=oracle.jdbc.driver.OracleDriverjdbc.username=userjdbc.password=passwordjdbc.filters=stat jdbc.maxActive=20jdbc.initialSize=1jdbc.maxWait=60000jdbc.minIdle=10jdbc.maxIdle=15jdbc.timeBetweenEvictionRunsMillis=60000jdbc.minEvictableIdleTimeMillis=300000jdbc.validationQuery=SELECT 'x'jdbc.testWhileIdle=truejdbc.testOnBorrow=falsejdbc.testOnReturn=falsejdbc.maxOpenPreparedStatements=20jdbc.removeAbandoned=truejdbc.removeAbandonedTimeout=1800jdbc.logAbandoned=true8.连接池的配置spring-pool.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:mvc="http://www.springframework.org/schema/mvc" 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-3.0.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd"> <!-- C3P0数据库配置 --> <bean id="c3p0" class="com.mchange.v2.c3p0.ComboPooledDataSource" destroy-method="close"> <property name="driverClass" value="${oracle.jdbc.driverClassName}" /> <property name="jdbcUrl" value="${oracle.jdbc.url}" /> <property name="user" value="${oracle.jdbc.username}" /> <property name="password" value="${oracle.jdbc.password}" /> <!-- 当连接池中的连接耗尽的时候c3p0一次同时获取的连接数。Default: 3 --> <property name="acquireIncrement" value="5" /> <!-- 定义在从数据库获取新连接失败后重复尝试的次数。Default: 30 --> <property name="acquireRetryAttempts" value="30" /> <!-- 两次连接中间隔时间，单位毫秒。Default: 1000 --> <property name="acquireRetryDelay" value="1000" /> <!-- 连接关闭时默认将所有未提交的操作回滚。Default: false --> <property name="autoCommitOnClose" value="false" /> <!-- 当连接池用完时客户端调用getConnection()后等待获取新连接的时间，超时后将抛出 SQLException,如设为0则无限期等待。单位毫秒。Default: 0 --> <property name="checkoutTimeout" value="10000" /> <!-- 每60秒检查所有连接池中的空闲连接。Default: 0 --> <property name="idleConnectionTestPeriod" value="60" /> <!-- 初始化时获取的连接数，取值应在minPoolSize与maxPoolSize之间。Default: 3 --> <property name="initialPoolSize" value="20" /> <!-- 连接池中保留的最小连接数 --> <property name="minPoolSize" value="20" /> <!-- 连接池中保留的最大连接数。Default: 15 --> <property name="maxPoolSize" value="100" /> <!-- 最大空闲时间,60秒内未使用则连接被丢弃。若为0则永不丢弃。Default: 0 --> <property name="maxIdleTime" value="60" /> <!-- c3p0将建一张名为Test的空表，并使用其自带的查询语句进行测试。如果定义了这个参数那么 属性preferredTestQuery将被忽略。你不能在这张Test表上进行任何操作，它将只供c3p0测试 使用。Default: null --> <property name="automaticTestTable" value="c3p0_TestTable" /> <!-- 获取连接失败将会引起所有等待连接池来获取连接的线程抛出异常。但是数据源仍有效 保留，并在下次调用getConnection()的时候继续尝试获取连接。如果设为true，那么在尝试 获取连接失败后该数据源将申明已断开并永久关闭。Default: false --> <property name="breakAfterAcquireFailure" value="false" /> </bean> <!-- BoneCP配置 --> <bean id="bonecp" class="com.jolbox.bonecp.BoneCPDataSource" destroy-method="close"> <property name="driverClass" value="${oracle.jdbc.driverClassName}" /> <property name="jdbcUrl" value="${oracle.jdbc.url}" /> <property name="username" value="${oracle.jdbc.username}" /> <property name="password" value="${oracle.jdbc.password}" /> <!-- 检查数据库连接池中空闲连接的间隔时间，单位是分，默认值：240，如果要取消则设置为0 --> <property name="idleConnectionTestPeriodInMinutes" value="60" /> <!-- 连接池中未使用的链接最大存活时间，单位是分，默认值：60，如果要永远存活设置为0 --> <property name="idleMaxAgeInMinutes" value="30" /> <!-- 每个分区最大的连接数 --> <property name="maxConnectionsPerPartition" value="30" /> <!-- 每个分区最小的连接数 --> <property name="minConnectionsPerPartition" value="10" /> <!-- 分区数 ，默认值2，最小1，推荐3-4，视应用而定 --> <property name="partitionCount" value="3" /> <!-- 每次去拿数据库连接的时候一次性要拿几个,默认值：2 --> <property name="acquireIncrement" value="5" /> <!-- 缓存prepared statements的大小，默认值：0 --> <property name="statementsCacheSize" value="100" /> <!-- 每个分区释放链接助理进程的数量，默认值：3，除非你的一个数据库连接的时间内做了很多工作，不然过多的助理进程会影响你的性能 --> <property name="releaseHelperThreads" value="3" /> </bean> <!-- proxool配置 --> <bean id="proxool" class="org.logicalcobwebs.proxool.ProxoolDataSource" > <property name="driver" value="${oracle.jdbc.driverClassName}" /> <property name="driverUrl" value="${oracle.jdbc.url}" /> <property name="user" value="${oracle.jdbc.username}" /> <property name="password" value="${oracle.jdbc.password}" /> <!--数据源的别名 --> <property name="alias" value="proxool_alias" /> <!-- 空闲连接个数 默认为0 --> <property name="prototypeCount" value="4" /> <!--最小连接数(默认5个) --> <property name="minimumConnectionCount" value="1" /> <!--最大连接数(默认15个),超过了这个连接数,再有请求时,就排在队列中等候,最大的等待请求数由maximum-new-connections决定 --> <property name="maximumConnectionCount" value="30" /> <!-- 如果侦察线程发现闲置连接，则会使用这个SQL语句来对这些连接进行检查 --> <property name="houseKeepingTestSql" value="select sysdate from dual" /> </bean> <!-- dbcp配置 --> <bean id="dbcp" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="${oracle.jdbc.driverClassName}" /> <property name="url" value="${oracle.jdbc.url}" /> <property name="username" value="${oracle.jdbc.username}" /> <property name="password" value="${oracle.jdbc.password}" /> <!--连接池启动时的初始化 --> <property name="initialSize" value="1" /> <!--连接池的最大值 --> <property name="maxActive" value="30" /> <!-- 最大空闲值，当经过一个高峰时间后，连接池可以慢慢将已经用不到的链接慢慢释放一部分，一直减少到maxle为止 --> <property name="maxIdle" value="2" /> <!-- 最小空闲值，当空闲的连接数少于阀值时，连接池就会预申请去一些链接，以免洪峰来时来不及申请 --> <property name="minIdle" value="1" /> <!-- 运行判断连接超时任务的时间间隔，单位为毫秒，默认为-1，即不执行任务。 --> <property name="timeBetweenEvictionRunsMillis" value="3600000" /> <!-- 连接的超时时间，默认为半小时。 --> <property name="minEvictableIdleTimeMillis" value="3600000" /> </bean></beans>阅读全文
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