Spring学习(十)

需要的jar包

1、Spring核心必须依赖的库:commons-logging-1.1.1.jar
2、Spring IoC部分核心库:

  • spring-beans-4.3.9.RELEASE.jar
  • spring-context-4.3.9.RELEASE.jar
  • spring-context-support-4.3.9.RELEASE.jar
  • spring-core-4.3.9.RELEASE.jar
  • spring-expression-4.3.9.RELEASE.jar
  • spring-web-4.3.9.RELEASE.jar      ------> 支持在Web环境中使用Spring IoC容器

3、Spring AOP部分核心库:

  • spring-aop-4.3.9.RELEASE.jar
  • spring-aspects-4.3.9.RELEASE.jar

4、Spring AOP需要依赖于aspectj库:    

  • aspectjrt.jar
  • aspectjweaver.jar

5、Spring JDBC部分核心库:

  • spring-jdbc-4.3.9.RELEASE.jar
  • spring-tx-4.3.9.RELEASE.jar

6、Spring ORM部分核心库:

  • spring-orm-4.3.9.RELEASE.jar

7、若配置的是c3p0数据源还需要:

  • c3p0-0.9.5.2.jar
  • hibernate-c3p0-5.2.10.Final.jar
  • mchange-commons-java-0.2.11.jar

8、Hibernate部分核心库:

  • antlr-2.7.7.jar
  • classmate-1.3.0.jar
  • dom4j-1.6.1.jar
  • hibernate-commons-annotations-5.0.1.Final.jar
  • hibernate-core-5.2.10.Final.jar
  • hibernate-jpa-2.1-api-1.0.0.Final.jar
  • jandex-2.0.3.Final.jar
  • javassist-3.20.0-GA.jar
  • jboss-logging-3.3.0.Final.jar
  • jboss-transaction-api_1.2_spec-1.0.1.Final.jar

9、Ehcache部分核心库:

  • ehcache-2.10.3.jar
  • hibernate-ehcache-5.2.10.Final.jar
  • slf4j-api-1.7.7.jar

10、数据库对应的驱动包:mysql-connector-java-5.1.40-bin.jar

Spring整合Hibernate

1、使用Spring依赖注入和AOP简化Hibernate应用,由IOC 容器来管理 Hibernate 的 SessionFactory,让 Hibernate 使用上 Spring 的声明式事务

2、整合步骤

  • 引用jar包
  • 创建数据库和表
    复制代码
    DROP TABLE IF EXISTS t_customer ;
    
    CREATE TABLE t_customer (
        id  INT(5) PRIMARY KEY ,
        email  VARCHAR(60)  UNIQUE NOT NULL,
        password VARCHAR(32) NOT NULL ,
        nickname VARCHAR(150) ,
        gender VARCHAR(3) ,
        birthdate DATE ,
        married     CHAR(1)
    );
    复制代码
  • 创建类创建类

    Customer类

    复制代码
    package ecut.hibernate.entity;
    
    import java.util.Date;
    
    public class Customer {
    
        private Integer id; 
        private String email;
        private String password;
        private String nickname;
        private char gender;
        private Date birthdate;
        private boolean married;
    
        public Integer getId() {
            return id;
        }
    
        public void setId(Integer id) {
            this.id = id;
        }
    
        public String getEmail() {
            return email;
        }
    
        public void setEmail(String email) {
            this.email = email;
        }
    
        public String getPassword() {
            return password;
        }
    
        public void setPassword(String password) {
            this.password = password;
        }
    
        public String getNickname() {
            return nickname;
        }
    
        public void setNickname(String nickname) {
            this.nickname = nickname;
        }
    
        public char getGender() {
            return gender;
        }
    
        public void setGender(char gender) {
            this.gender = gender;
        }
    
        public Date getBirthdate() {
            return birthdate;
        }
    
        public void setBirthdate(Date birthdate) {
            this.birthdate = birthdate;
        }
    
        public boolean isMarried() {
            return married;
        }
    
        public void setMarried(boolean married) {
            this.married = married;
        }
    
    }
    复制代码

    CustomerController类

    package ecut.hibernate.controller;
    
    import java.util.List;
    
    import ecut.hibernate.entity.Customer;
    import ecut.hibernate.service.CustomerService;
    
    public class CustomerController {
        
        private CustomerService customerService ;
        
        public String regist( Customer c ){
            System.out.println(  "CustomerController # regist ." );
            customerService.save( c );
            return "success" ;
        }
        
        public List<Customer> allCustomer(){
            return customerService.findAll();
        }
    
        public CustomerService getCustomerService() {
            return customerService;
        }
    
        public void setCustomerService(CustomerService customerService) {
            this.customerService = customerService;
        }
    
    }

    CustomerService类

    package ecut.hibernate.service;
    
    import java.util.List;
    
    import ecut.hibernate.dao.CustomerDao;
    import ecut.hibernate.entity.Customer;
    
    public class CustomerService {
        
        private CustomerDao customerDao ;
        
        public boolean save( Customer c ) {
            System.out.println( "CustomerService # save ." );
            return customerDao.persist( c );
        }
        
        public List<Customer> findAll(){
            return customerDao.loadAll() ;
        }
    
        public CustomerDao getCustomerDao() {
            return customerDao;
        }
    
        public void setCustomerDao(CustomerDao customerDao) {
            this.customerDao = customerDao;
        }
    
    }

    Spring配置文件

    <?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:aop="http://www.springframework.org/schema/aop"
        xmlns:p="http://www.springframework.org/schema/p"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
            http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd">
    
        <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource" >
            <property name="driverClassName" value="com.mysql.jdbc.Driver" />
            <property name="url" value="jdbc:mysql://localhost:3306/test?useUnicode=true&amp;characterEncoding=utf8" />
            <property name="username" value="root" />
            <property name="password" value="123456" />
        </bean>
        
        <bean id="sessionFactory" class="org.springframework.orm.hibernate5.LocalSessionFactoryBean" >
            <!-- 注入数据源,用来获得数据库连接 -->
            <property name="dataSource" ref="dataSource" />
            <!-- 注入 hibernate 的配置 ( 方言、二级缓存 、查询缓存) -->
            <property name="hibernateProperties">
                <props>
                    <!-- 指示数据库的基本信息 -->
                    <!--  
                    <prop key="hibernate.connection.driver_class" >com.mysql.jdbc.Driver</prop>
                    <prop key="hibernate.connection.url" >jdbc:mysql://localhost:3306/test?useUnicode=true&amp;characterEncoding=UTF8</prop>
                    <prop key="hibernate.connection.username" >root</prop>
                    <prop key="hibernate.connection.password" >123456</prop>
                    -->
                    <!-- 启用二级缓存 -->
                    <prop key="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory</prop>
                    <!-- 启用查询缓存 -->
                    <prop key="hibernate.cache.use_query_cache" >true</prop>
                    <!-- 指定数据方言 类-->
                    <prop key="hibernate.dialect" >org.hibernate.dialect.MySQLDialect</prop>
                    <!-- 指示是否显示sql -->
                    <prop key="hibernate.show_sql" >true</prop>
                    <!-- 指示是否对sql格式化输出 -->
                    <prop key="hibernate.format_sql" >true</prop>
                </props>
            </property>
            
            <!-- 引入映射文件 -->
            <!-- mappingResources 对应的是 String 数组,不支持 使用 通配符 ,下面的写法是错误的 -->
            <!-- <property name="mappingResources" value="classpath:ecut/hibernate/entity/*.hbm.xml" /> -->
            <!-- mappingLocations 对应的 是 Resource 数组 ,因此 支持 使用 通配符 -->
            <property name="mappingLocations" value="classpath:ecut/hibernate/entity/*.hbm.xml"></property>
            
        </bean>
        
        <!-- 配置平台事务管理器 ,由HibernateTransactionManager类来完成事务管理-->
        <bean id="platformTransactionManager" 
                 class="org.springframework.orm.hibernate5.HibernateTransactionManager">
            <property name="sessionFactory" ref="sessionFactory" />
        </bean>
        
        <!-- 提供对事务的配置 ( Advice ) -->
        <tx:advice id="transactionAdvice" transaction-manager="platformTransactionManager">
            <tx:attributes>
                <tx:method name="persist*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="false" />
                <tx:method name="save*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="false" />
                <tx:method name="update*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="false" />
                <tx:method name="delete*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="false" />
                <tx:method name="remove*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="false" />
                
                <tx:method name="load*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="true" />
                <tx:method name="get*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="true" />
                <tx:method name="find*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="true" />
                <tx:method name="query*" propagation="REQUIRED" isolation="READ_COMMITTED" read-only="true" />
            </tx:attributes>
        </tx:advice>
        
        <!-- aop实现事务控制:使用 aop:config 实现将 Advice 织入到 相应的 连接点中 -->
        <aop:config>
            <aop:pointcut  id="tx-pointcut" expression="execution(* ecut.hibernate.service.*.*(..))"/>
            <!-- 声明事务控制 切面 -->
            <aop:advisor pointcut-ref="tx-pointcut" advice-ref="transactionAdvice"/>
        </aop:config>
        <!-- hibernate所有操作都是通过sessionFactory实现的 -->
        <bean id="hibernateTemplate" class="org.springframework.orm.hibernate5.HibernateTemplate">
            <property name="sessionFactory" ref="sessionFactory" />
        </bean>
    
        <bean id="customerDao" class="ecut.hibernate.dao.CustomerDao" >
            <property name="hibernateTemplate" ref="hibernateTemplate" />    
        </bean>
        
        <bean id="customerService" class="ecut.hibernate.service.CustomerService" >
            <property name="customerDao" ref="customerDao" />
        </bean>
        
        <bean id="customerController" class="ecut.hibernate.controller.CustomerController" >
            <property name="customerService" ref="customerService" />
        </bean>
    
    </beans>

    在spring配置文件中,配置平台事务管理器 ,由HibernateTransactionManager类来完成事务管理,并引用sessionFactory。在sessionFactory中注入 hibernate 的配置 ( 方言、二级缓存 、查询缓存)和数据源,以及引入映射文件,需要注意的是引入配置文件时mappingLocations 对应的 是 Resource 数组 ,因此 支持 使用 通配符,但是mappingResources 对应的是 String 数组,不支持使用通配符。最终通过AOP来实现事务的控制。controller中添加了CustomerService的对象,因此需要将CustomerService以ref的方式引入到controller中。service中添加了CustomerDao的对象,因此需要将CustomerDao以ref的方式引入到service中。dao中添加了jdbcTemplate的对象,因此需要将jdbcTemplate以ref的方式引入到dao中。而Template依赖与DataSource,以ref的方式为JdbcTemplate注入引用。DataSource的属性可以通过注入数据库的一些配置属性添加。

    Hibernate配置文件

    <?xml version="1.0" encoding="UTF-8"?>
    
    <!DOCTYPE hibernate-mapping PUBLIC 
        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
    
    <hibernate-mapping>
    
        <!-- 指定 那个类 ( name 指定类名 ) 对应 那个表 ( table 指定表名 ) -->
        <class name="ecut.hibernate.entity.Customer" table="t_customer">
        
            <!-- 对于 与 数据库主键 对应的 对象标识符属性 来说,要单独使用 id 标签来映射 -->
            <id name="id" type="integer" column="id" >
                <generator class="increment" /> <!-- 由 hibernate 提供的 对象标识符 生成策略 -->
            </id>
        
            <!-- 指定 那个属性 ( name 指定属性名 )  对应 那个列 ( column 属性指定 列名 ) -->
            <property name="email" type="string" column="email" />
            <!-- 使用 type 属性指定 映射类型 ( 既不是 Java 类型,也不是 数据库类型,而是 中间类型 ( 媒婆 ) ) -->
            <property name="password" type="string" column="password" />
            <property name="nickname" type="string" column="nickname" />
            <!-- Java 中的 char 类型在 hibernate 中对应的映射类型是 character -->
            <property name="gender" type="character" column="gender" />
            <property name="birthdate" type="date"  column="birthdate" />
            <!-- Java 中的 boolean  类型在 hibernate 中对应的映射类型可以是 true_false 、yes_no  -->
            <property name="married" type="yes_no" column="married" />
        
        </class>
        
    </hibernate-mapping>

    CustomerDao类

    package ecut.hibernate.dao;
    
    import java.io.Serializable;
    import java.util.List;
    
    import ecut.hibernate.entity.Customer;
    import org.springframework.orm.hibernate5.HibernateTemplate;
    
    public class CustomerDao {
        
        private HibernateTemplate hibernateTemplate;
        
        public boolean persist( Customer c ) {
            try{ 
                //没有提交事务所以需要增加事务的配置
                Serializable id = hibernateTemplate.save( c );
                return id != null ;
            } catch ( Exception e) {
                e.printStackTrace();
                return false ;
            }
        }
        
        public boolean update( Customer c ) {
            try{ 
                hibernateTemplate.update( c );
                return true ;
            } catch ( Exception e) {
                return false ;
            }
        }
        
        public boolean delete( Customer c ) {
            try{ 
                hibernateTemplate.delete( c );
                return true ;
            } catch ( Exception e) {
                return false ;
            }
        }
        
        public Customer load( Integer id  ) {
            return hibernateTemplate.get( Customer.class , id ) ;
        }
        //@SuppressWarnings抑制编译器警告
        @SuppressWarnings("unchecked")
        public List<Customer> loadAll() {
            final String HQL = "FROM Customer";
            List<Customer> list = (List<Customer>)hibernateTemplate.find( HQL );
            return list ;
        }
    
        public HibernateTemplate getHibernateTemplate() {
            return hibernateTemplate;
        }
    
        public void setHibernateTemplate(HibernateTemplate hibernateTemplate) {
            this.hibernateTemplate = hibernateTemplate;
        }
        
    }

    测试类

    package ecut.hibernate;
    
    
    import java.util.Date;
    import java.util.List;
    
    import org.junit.AfterClass;
    import org.junit.BeforeClass;
    import org.junit.Test;
    import ecut.hibernate.controller.CustomerController;
    import ecut.hibernate.entity.Customer;
    import org.springframework.context.support.AbstractApplicationContext;
    import org.springframework.context.support.ClassPathXmlApplicationContext;
    
    public class TestCustomerController {
        
        private static AbstractApplicationContext container ;
        
        public @BeforeClass static void init(){
            String configLocations = "classpath:ecut/**/hibernate/beans.xml";
            container = new ClassPathXmlApplicationContext( configLocations );
        }
        
        public @Test void testRegist(){
            
            Customer c = new Customer();
            
            c.setEmail( "lao@ecut.edu.cn" );
            c.setPassword( "hello2017" );
            
            Date birthdate = new Date() ;
            c.setBirthdate( birthdate );
            c.setGender( '男' );
            
            c.setNickname( "老王" );
            c.setMarried( false );
            
            CustomerController cc = container.getBean( "customerController" , CustomerController.class );
            
            cc.regist( c );
            
        }
        
        public @Test void all(){
            
            CustomerController cc = container.getBean( "customerController" , CustomerController.class );
            
            List<Customer> list = cc.allCustomer();
            
            for( Customer c : list ){
                System.out.println( c.getEmail() + " : " + c.getNickname() );
            }
            
        }
        
        public @AfterClass static void destory(){
            container.close();
        }
    
    }

    通过整合,使数据库的操作得到了简化,Spring的IoC容器则提供了更好的管理方式,它不仅能以声明式的方式配置Session- Factory实例,也可充分利用IoC容器的作用,为SessionFactory注入数据源引用。

转载请于明显处标明出处:

https://www.cnblogs.com/AmyZheng/p/9281813.html

posted @ 2018-07-09 14:19  AmyZheng  阅读(337)  评论(0编辑  收藏  举报