前一陣子接手了一個使用SpringBoot 和spring-data-jpa開發的項目java
後期新加入一個小夥伴，表示jpa相比mybatis太難用，多表聯合的查詢寫起來也比較費勁，因此便加入了mybatis的支持mysql
開始的時候spring
@Configuration @EnableJpaRepositories("com.xxx.xxx.repository") class JpaConfig
使用這種方式去配置的jpa，遇到一個問題，就是能select 可是不能save，因此就修改成配置文件的方式：sql
下面直接上配置文件：數據庫
一、spring的配置express
<?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:task="http://www.springframework.org/schema/task" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task.xsd"> <!-- 掃描註解文件 --> <context:component-scan base-package="com.xxx"/> <task:annotation-driven/> <bean id="springContextHolder" class="com.xxx.common.config.SpringContextHolder" lazy-init="false"></bean> <bean id="configProperties" class="org.springframework.beans.factory.config.PropertiesFactoryBean"> <property name="locations"> <list> <value>classpath*:jdbc.properties</value> <value>classpath*:app.properties</value> </list> </property> </bean> <bean id="propertyConfigurer" class="org.springframework.beans.factory.config.PreferencesPlaceholderConfigurer"> <property name="systemPropertiesModeName" value="SYSTEM_PROPERTIES_MODE_OVERRIDE"/> <property name="fileEncoding" value="UTF-8"/> <property name="properties" ref="configProperties"/> </bean> <!-- dataSource 配置 --> <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close"> <!-- 基本屬性 url、user、password --> <!-- <property name="driverClassName" value="${ds.driverClassName}" /> --> <property name="url" value="${ds.url}"/> <property name="username" value="${ds.username}"/> <property name="password" value="${ds.password}"/> <!-- 配置初始化大小、最小、最大 --> <property name="initialSize" value="${ds.initialSize}"/> <property name="minIdle" value="${ds.minIdle}"/> <property name="maxActive" value="${ds.maxActive}"/> <!-- 配置獲取鏈接等待超時的時間 --> <property name="maxWait" value="${ds.maxWait}"/> <!-- 配置間隔多久才進行一次檢測，檢測須要關閉的空閒鏈接，單位是毫秒 --> <property name="timeBetweenEvictionRunsMillis" value="${ds.timeBetweenEvictionRunsMillis}"/> <!-- 配置一個鏈接在池中最小生存的時間，單位是毫秒 --> <property name="minEvictableIdleTimeMillis" value="${ds.minEvictableIdleTimeMillis}"/> <property name="validationQuery" value="${ds.validationQuery}"/> <property name="testWhileIdle" value="${ds.testWhileIdle}"/> <property name="testOnBorrow" value="${ds.testOnBorrow}"/> <property name="testOnReturn" value="${ds.testOnReturn}"/> <!-- 打開PSCache，而且指定每一個鏈接上PSCache的大小 --> <property name="poolPreparedStatements" value="${ds.poolPreparedStatements}"/> <property name="maxPoolPreparedStatementPerConnectionSize" value="${ds.maxPoolPreparedStatementPerConnectionSize}"/> <!-- 配置監控統計攔截的filters --> <property name="filters" value="${ds.filters}"/> <!-- 關閉abanded鏈接時輸出錯誤日誌 --> <property name="logAbandoned" value="${ds.logAbandoned}"/> </bean> <!-- spring和MyBatis完美整合，不須要mybatis的配置映射文件 --> <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean"> <property name="dataSource" ref="dataSource"/> <property name="configLocation" value="classpath:mybatis-config.xml"/> <property name="typeAliasesPackage" value="com.xxx.culture.domain"/> <!-- 自動掃描mapping.xml文件 --> <property name="mapperLocations" value="classpath:mapper/**/*.xml"/> </bean> <!-- DAO接口所在包名，Spring會自動查找其下的類 --> <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer"> <property name="basePackage" value="com.xxx.xxx.dao"/> </bean> <!-- (事務管理)transaction manager, use JtaTransactionManager for global tx --> <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"> <property name="dataSource" ref="dataSource"/> </bean> <!-- 事務管理 通知 --> <tx:advice id="txAdvice" transaction-manager="transactionManager"> <tx:attributes> <!-- 對insert,update,delete 開頭的方法進行事務管理,只要有異常就回滾 --> <tx:method name="insert*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/> <tx:method name="update*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/> <tx:method name="delete*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/> <tx:method name="remove*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/> <tx:method name="save*" propagation="REQUIRED" rollback-for="java.lang.Throwable"/> <tx:method name="add*" propagation="REQUIRED"/> <tx:method name="flush*" propagation="REQUIRED"/> <!-- select,count,get,find開頭的方法,開啓只讀,提升數據庫訪問性能 --> <tx:method name="select*" read-only="true"/> <tx:method name="count*" read-only="true"/> <tx:method name="get*" read-only="true"/> <tx:method name="find*" read-only="true"/> <tx:method name="search*" read-only="true"/> <!-- 對其餘方法 使用默認的事務管理 --> <tx:method name="*"/> </tx:attributes> </tx:advice> <!-- 事務 aop 配置 com.xxx.smp.service..*Impl.*(..)) --> <aop:config> <aop:pointcut id="serviceMethods" expression="execution(* com.xxx.xxx.service..*(..))"/> <aop:advisor advice-ref="txAdvice" pointcut-ref="serviceMethods"/> </aop:config> <!-- 配置使Spring採用CGLIB代理 --> <aop:aspectj-autoproxy proxy-target-class="true"/> <!-- 事務註解支持 --> <tx:annotation-driven transaction-manager="transactionManager"/> <import resource="applicationContext-jpa.xml"/> </beans>
二、jpa的配置mybatis
初始時遇到一個問題：jpa org.hibernate.LazyInitializationException: could not initialize proxy - no Sessionapp
在這兒找到了答案http://my.oschina.net/alexgaoyh/blog/313541dom
配置以下性能
<?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:tx="http://www.springframework.org/schema/tx" xmlns:jpa="http://www.springframework.org/schema/data/jpa" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.1.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.1.xsd http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa.xsd" > <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean"> <!-- 指定數據源 --> <property name="dataSource" ref="dataSource"/> <!-- 指定Entity實體類包路徑 --> <property name="packagesToScan"> <list> <value>com.xxx.xxx.jpadomain</value> </list> </property> <!-- 指定JPA屬性；如Hibernate中指定是否顯示SQL的是否顯示、方言等 --> <property name="jpaVendorAdapter"> <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"> <!-- 是否生成ddl文件 --> <property name="generateDdl" value="true"/> <!-- 是否展現sql --> <property name="showSql" value="false"/> <!-- 必要的數據庫庫使用的詳細信息 --> <property name="databasePlatform" value="org.hibernate.dialect.MySQLDialect"/> <!-- mysql,自行選擇 --> <property name="database" value="MYSQL"/> </bean> </property> <property name="jpaProperties"> <props> <prop key="hibernate.ejb.naming_strategy">org.hibernate.cfg.ImprovedNamingStrategy </prop> <prop key="hibernate.hbm2ddl.auto">update</prop> <prop key="hibernate.enable_lazy_load_no_trans">true</prop> </props> </property> </bean> <!-- Spring Data Jpa配置 --> <!-- 配置 啓用掃描並自動建立代理的功能 factory-class="com.monk.base.jpa.PeakJpaRepositoryFactory"本身定義的bean註解方式，能夠不寫，直接註解全部包下的 --> <jpa:repositories base-package="com.xxx.xxx.repository" transaction-manager-ref="transactionManager" entity-manager-factory-ref="entityManagerFactory"/> <!-- Jpa 事務配置 --> <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager"> <property name="entityManagerFactory" ref="entityManagerFactory"/> </bean> <!-- 開啓註解事務 --> <tx:annotation-driven transaction-manager="transactionManager" proxy-target-class="true"/> </beans>