b2科目四模拟试题多少题驾考考爆了怎么补救
b2科目四模拟试题多少题 驾考考爆了怎么补救

spring aop 配置文件 Jpa实现增删改查及分页(2)

电脑杂谈  发布时间:2018-02-10 14:19:35  来源:网络整理

2、配置文件.xml设置

在文件夹下新建一个application.xml(名称无要求),添加代码如下,注解在代码中

<?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:aop="http://www.springframework.org/schema/aop"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
        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-3.0.xsd
                                            http://www.springframework.org/schema/context  http://www.springframework.org/schema/context/spring-context-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/tx  http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
                                            http://www.springframework.org/schema/mvc  http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd
                                            http://www.springframework.org/schema/data/jpa  http://www.springframework.org/schema/data/jpa/spring-jpa-1.8.xsd  ">

        <!--自动扫描(自动注入)-->
        <context:component-scan base-package="com.zhang.Demo" />

        <!--第一步,配置数据源-->
        <bean  id="dataSource"  class="com.mchange.v2.c3p0.ComboPooledDataSource">
                <property  name="driverClass"  value="com.mysql.jdbc.Driver"/>
                <property  name="jdbcUrl"  value="jdbc:mysql:///demo"/><!--jdbc:mysqsl://localhost:3306/xxx-->
                <property  name="user"  value="root"/>
                <property  name="password"  value="wangzhang"/>
                <!--连接池中保留的最大连接数。默认值:  15  -->
                <property  name="maxPoolSize"  value="1000"/>
                <!--  连接池中保留的最小连接数,默认为:3-->
                <property  name="minPoolSize"  value="800"/>
                <!--  初始化连接池中的连接数,取值应在minPoolSize与maxPoolSize之间,默认为3-->
                <property  name="initialPoolSize"  value="500"/>
        </bean>

        <bean  id="entityManagerFactory"
               class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
                <property  name="dataSource"  ref="dataSource"  />
                <property  name="jpaVendorAdapter"  ref="hibernateJpaVendorAdapter"  />
                <property  name="packagesToScan"  value="com.zhang.Demo.entity"  />
                <property  name="jpaProperties">
                        <props>
                                <prop  key="hibernate.ejb.naming_strategy">org.hibernate.cfg.ImprovedNamingStrategy</prop>
                                <prop  key="hibernate.show_sql">true</prop>
                                <prop  key="hibernate.hbm2ddl.auto">update</prop>
                        </props>
                </property>
        </bean>

        <bean  id="hibernateJpaVendorAdapter"
               class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
                <property  name="databasePlatform"  value="org.hibernate.dialect.MySQLDialect"  />
        </bean>

        <bean  id="transactionManager"  class="org.springframework.orm.jpa.JpaTransactionManager">
                <property  name="entityManagerFactory"  ref="entityManagerFactory"  />
        </bean>

        <jpa:repositories base-package="com.zhang.Demo.repository"
                          entity-manager-factory-ref="entityManagerFactory"
                          transaction-manager-ref="transactionManager">
        </jpa:repositories>

        <tx:annotation-driven transaction-manager="transactionManager"
                              proxy-target-class="true" />

        <mvc:default-servlet-handler/>
        <mvc:annotation-driven/>
        <mvc:resources mapping="/static/**" location="/WEB-INF/static/"/>
        <mvc:resources location="/WEB-INF/js/" mapping="/js/**"/>
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="internalResourceViewResolver">
                <property name="prefix" value="/WEB-INF/page/"/>
                <property name="suffix" value=".jsp"/>
        </bean>

</beans>


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