Spring3.x中配置DBCP2.0数据库连接池

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2014/08/06 22:18
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 maven工程pom.xml

<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.tliu</groupId>
    <artifactId>case</artifactId>
    <packaging>war</packaging>
    <version>0.0.1-SNAPSHOT</version>
    <name>case Maven Webapp</name>
    <url>http://maven.apache.org</url>
    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <spring.version>3.2.9.RELEASE</spring.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.10</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <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-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>0.2.25</version>
        </dependency>
        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
        </dependency>        
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-dbcp2</artifactId>
            <version>2.0.1</version>
        </dependency>
        <dependency>
            <groupId>commons-codec</groupId>
            <artifactId>commons-codec</artifactId>
            <version>1.8</version>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.4</version>
        </dependency>
        <dependency>
            <groupId>commons-fileupload</groupId>
            <artifactId>commons-fileupload</artifactId>
            <version>1.2.2</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.26</version>
        </dependency>
        <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc14</artifactId>
            <version>10.2.0.3.0</version>
        </dependency>
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>1.7.4</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjrt</artifactId>
            <version>1.7.1</version>
        </dependency>
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.7.1</version>
        </dependency>
        <dependency>
            <groupId>com.kenai.nbpwr</groupId>
            <artifactId>javax-inject</artifactId>
            <version>1.0-201002241208</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.2.3</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.2.1</version>
        </dependency>
    </dependencies>
    <build>       
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-resources-plugin</artifactId>
                <version>2.6</version>
                <configuration>
                    <encoding>UTF-8</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.7.2</version>
                <configuration>
                    <forkMode>once</forkMode>
                    <argLine>-Dfile.encoding=UTF-8</argLine>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-javadoc-plugin</artifactId>
                <version>2.9.1</version>
                <configuration>
                    <show>private</show>
                    <nohelp>true</nohelp>
                    <encoding>utf-8</encoding>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-source-plugin</artifactId>
                <version>2.2.1</version>
                <executions>
                    <execution>
                        <id>attach-sources</id>
                        <phase>verify</phase>
                        <goals>
                            <goal>jar-no-fork</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>


  数据库的属性配置文件ds.properties

oracle.driver = oracle.jdbc.driver.OracleDriver
oracle.url = jdbc:oracle:thin:@127.0.0.1:1521:ORCL
oracle.username = PREM
oracle.password = 123456
dbcp2.maxIdle = 10
dbcp2.minIdle = 5
dbcp2.initialSize = 20
dbcp2.timeBetweenEvictionRunsMillis = 60000
dbcp2.poolPreparedStatements = true
dbcp2.maxOpenPreparedStatements = 50
dbcp2.removeAbandonedTimeout = 180
dbcp2.testWhileIdle = true
dbcp2.testOnBorrow = false
dbcp2.testOnReturn = false
dbcp2.validationQuery = SELECT 1 FROM DUAL

 spring的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:tx="http://www.springframework.org/schema/tx" 
    xmlns:aop="http://www.springframework.org/schema/aop"    
    xmlns:mvc="http://www.springframework.org/schema/mvc" 
    xmlns:jee="http://www.springframework.org/schema/jee"    
    xsi:schemaLocation="http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd        
        http://www.springframework.org/schema/tx 
        http://www.springframework.org/schema/tx/spring-tx-3.2.xsd        
        http://www.springframework.org/schema/aop 
        http://www.springframework.org/schema/aop/spring-aop-3.2.xsd        
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-3.2.xsd        
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-3.2.xsd        
        http://www.springframework.org/schema/jee 
        http://www.springframework.org/schema/jee/spring-jee-3.2.xsd">  

    <!--读取外部的属性文件配置参数 -->
    <context:property-placeholder location="classpath:ds.properties" />  
 
    <bean id="BasicDataSource" class="org.apache.commons.dbcp2.BasicDataSource">       
        <!-- 数据库基本信息配置 -->        
        <property name="url" value="${oracle.url}"/>      
        <property name="driverClassName" value="${oracle.driver}"/>        
        <property name="username" value="${oracle.username}"/>        
        <property name="password" value="${oracle.password}"/>  
              
        <property name="maxIdle" value="${dbcp2.maxIdle}"/>        
        <property name="minIdle" value="${dbcp2.minIdle}"/>        
        <property name="initialSize" value="${dbcp2.initialSize}"/>        
        <property name="timeBetweenEvictionRunsMillis" 
                                        value="${dbcp2.timeBetweenEvictionRunsMillis}"/> 
       
        <property name="poolPreparedStatements" value="${dbcp2.poolPreparedStatements}"/>        
        <property name="maxOpenPreparedStatements" value="${dbcp2.maxOpenPreparedStatements}"/>        
        <property name="removeAbandonedTimeout" value="${dbcp2.removeAbandonedTimeout}"/>

        <!-- 申请连接时执行validationQuery检测连接是否有效,配置为true会降低性能 -->        
        <property name="testOnBorrow" value="${dbcp2.testOnBorrow}"/>

        <!-- 归还连接时执行validationQuery检测连接是否有效,配置为true会降低性能  -->        
        <property name="testOnReturn" value="${dbcp2.testOnReturn}"/>

        <!-- 建议配置为true,不影响性能,并且保证安全性。申请连接的时候检测,如果空闲时间大于
             timeBetweenEvictionRunsMillis,执行validationQuery检测连接是否有效。  -->               
        <property name="testWhileIdle" value="${dbcp2.testWhileIdle}"/>

        <!-- 用来检测连接是否有效的sql,要求是一个查询语句,如果validationQuery为
             null,testOnBorrow、testOnReturn、testWhileIdle都不起其作用。 -->            
        <property name="validationQuery" value="${dbcp2.validationQuery}"/>    
    </bean>      
</beans>



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