spring Data JPA的配置操作

清疚 2022-11-25 13:00 171阅读 0赞

applicationContext.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:Context="http://www.springframework.org/schema/context" 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.xsd http://www.springframework.org/schema/context https://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/data/jpa https://www.springframework.org/schema/data/jpa/spring-jpa.xsd">
        
        <Context:component-scan base-package="com.spring" />
        
        <Context:property-placeholder location="classpath:jdbc.properties" />
    
        
        <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
            <property name="driverClassName" value="${mysql.driverClass}" />
            <property name="url" value="${mysql.url}" />
            <property name="username" value="${mysql.username}" />
            <property name="password" value="${mysql.password}" />
        </bean>
    
        
        <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean" >
            
            <property name="dataSource" ref="dataSource" />
            
            <property name="packagesToScan" value="com.spring.pojo" />
            
            <property name="jpaVendorAdapter">
                <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
                    
                    <property name="generateDdl" value="true" />
                    
                    <property name="database" value="MYSQL" />
                    
                    <property name="databasePlatform" value="org.hibernate.dialect.MySQL8Dialect" />
                    
                    <property name="showSql" value="true" />
                </bean>
            </property>
            
            <property name="jpaDialect">
                <bean class="org.springframework.orm.jpa.vendor.HibernateJpaDialect" />
            </property>
        </bean>
    
        
        <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
            <property name="entityManagerFactory" ref="entityManagerFactory" />
        </bean>
    
        
        <jpa:repositories base-package="com.spring.dao" transaction-manager-ref="transactionManager" entity-manager-factory-ref="entityManagerFactory" />
    </beans>

在web中初始化spring

<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd" >
    
    <web-app>
      <display-name>Archetype Created Web Application</display-name>
      
      <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath*:applicationContext.xml</param-value>
      </context-param>
      <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
      </listener>
    </web-app>