spring+druid+mybatis samples
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57
spring/spring-druid-mybatis/src/main/resources/druid.xml
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57
spring/spring-druid-mybatis/src/main/resources/druid.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:context="http://www.springframework.org/schema/context"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd">
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<!--指定配置文件的位置-->
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<context:property-placeholder location="classpath:jdbc.properties"/>
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<!--配置druid数据源 关于更多的配置项 可以参考官方文档 <a src="https://github.com/alibaba/druid/wiki/DruidDataSource%E9%85%8D%E7%BD%AE%E5%B1%9E%E6%80%A7%E5%88%97%E8%A1%A8" > -->
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<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
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<!-- 基本属性 url、user、password -->
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<property name="url" value="${mysql.url}"/>
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<property name="username" value="${mysql.username}"/>
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<property name="password" value="${mysql.password}"/>
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<!-- 配置初始化大小、最小、最大连连接数量 -->
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<property name="initialSize" value="5"/>
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<property name="minIdle" value="10"/>
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<property name="maxActive" value="20"/>
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<!-- 配置获取连接等待超时的时间 -->
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<property name="maxWait" value="60000"/>
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<!-- 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 -->
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<property name="timeBetweenEvictionRunsMillis" value="2000"/>
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<!-- 配置一个连接在池中最小生存的时间,单位是毫秒 -->
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<property name="minEvictableIdleTimeMillis" value="600000"/>
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<!-- 配置一个连接在池中最大生存的时间,单位是毫秒 -->
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<property name="maxEvictableIdleTimeMillis" value="900000"/>
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<!--validationQuery 用来检测连接是否有效的sql,要求是一个查询语句,常用select 'x'。
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但是在 oracle 数据库下需要写成 select 'x' from dual 不然实例化数据源的时候就会失败,
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这是由于oracle 和 mysql 语法间的差异造成的-->
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<property name="validationQuery" value="select 'x'"/>
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<!--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,
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如果空闲时间大于timeBetweenEvictionRunsMillis,执行validationQuery检测连接是否有效。-->
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<property name="testWhileIdle" value="true"/>
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<!--申请连接时执行validationQuery检测连接是否有效,做了这个配置会降低性能。-->
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<property name="testOnBorrow" value="false"/>
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<!--归还连接时执行validationQuery检测连接是否有效,做了这个配置会降低性能。-->
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<property name="testOnReturn" value="false"/>
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<!--连接池中的minIdle数量以内的连接,空闲时间超过minEvictableIdleTimeMillis,则会执行keepAlive操作。-->
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<property name="keepAlive" value="true"/>
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<property name="phyMaxUseCount" value="100000"/>
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<!-- 配置监控统计拦截的filters Druid连接池的监控信息主要是通过StatFilter 采集的,
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采集的信息非常全面,包括SQL执行、并发、慢查、执行时间区间分布等-->
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<property name="filters" value="stat"/>
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</bean>
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</beans>
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# mysql <20><><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD>
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mysql.url=jdbc:mysql://localhost:3306/mysql
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mysql.username=root
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mysql.password=root
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# oracle <20><><EFBFBD>ݿ<EFBFBD><DDBF><EFBFBD><EFBFBD><EFBFBD>
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oracle.url=jdbc:oracle:thin:@//IP<49><50>ַ:<3A>˿ں<CBBF>/<2F><><EFBFBD>ݿ<EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD>
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oracle.username=<EFBFBD>û<EFBFBD><EFBFBD><EFBFBD>
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oracle.password=<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.heibaiying.dao.OracleDao">
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<select id="queryById" resultType="com.heibaiying.bean.Flow">
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select * from APEX_030200.WWV_FLOW_CALS where ID = #{id}
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</select>
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</mapper>
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<!DOCTYPE mapper
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PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.heibaiying.dao.MysqlDao">
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<select id="queryById" resultType="com.heibaiying.bean.Relation">
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SELECT help_keyword_id AS id,name
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FROM HELP_KEYWORD
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WHERE HELP_KEYWORD_ID = #{id}
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</select>
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</mapper>
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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE configuration
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PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-config.dtd">
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<!-- mybatis 配置文件 -->
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<configuration>
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<settings>
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<!-- 开启驼峰命名 -->
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<setting name="mapUnderscoreToCamelCase" value="true"/>
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<!-- 打印查询sql -->
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<setting name="logImpl" value="STDOUT_LOGGING"/>
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</settings>
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</configuration>
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<!--更多settings配置项可以参考官方文档: <a href="http://www.mybatis.org/mybatis-3/zh/configuration.html"/>-->
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<?xml version="1.0" encoding="UTF-8"?>
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<beans xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"
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xmlns:mvc="http://www.springframework.org/schema/mvc"
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xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
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http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
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<!-- 开启注解包扫描-->
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<context:component-scan base-package="com.heibaiying.*"/>
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<!--使用默认的Servlet来响应静态文件 -->
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<mvc:default-servlet-handler/>
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<!-- 开启注解驱动-->
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<mvc:annotation-driven/>
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<!--引入druid.xml配置 由于druid 的可配置项比较多,所以可以单独拆分为一个配置文件-->
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<import resource="druid.xml"/>
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<!--配置 mybatis 会话工厂 -->
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<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
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<property name="dataSource" ref="dataSource"/>
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<!--指定mapper文件所在的位置-->
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<property name="mapperLocations" value="classpath*:/mappers/**/*.xml"/>
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<property name="configLocation" value="classpath:mybatisConfig.xml"/>
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</bean>
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<!--扫描注册接口 -->
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<!--作用:从接口的基础包开始递归搜索,并将它们注册为 MapperFactoryBean(只有至少一种方法的接口才会被注册;, 具体类将被忽略)-->
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<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
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<!--指定会话工厂 -->
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<property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
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<!-- 指定mybatis接口所在的包 -->
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<property name="basePackage" value="com.heibaiying.dao"/>
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</bean>
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<!--定义事务管理器-->
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<bean id="transactionManager"
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class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
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<property name="dataSource" ref="dataSource"/>
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</bean>
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<!-- 开启事务注解@Transactional支持 -->
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<tx:annotation-driven/>
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</beans>
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