\u6b22\u8fce\u6765\u5230Spring ORM\u793a\u4f8b\u6559\u7a0b\u3002\u4eca\u5929\u6211\u4eec\u5c06\u5b66\u4e60\u4f7f\u7528Hibernate JPA\u4e8b\u52a1\u7ba1\u7406\u7684Spring ORM\u793a\u4f8b\u3002\u6211\u5c06\u4e3a\u60a8\u5c55\u793a\u4e00\u4e2a\u5177\u5907\u4ee5\u4e0b\u7279\u6027\u7684\u975e\u5e38\u7b80\u5355\u7684Spring\u72ec\u7acb\u5e94\u7528\u793a\u4f8b\u3002<\/p>\n
\u5728Spring ORM\u793a\u4f8b\u4e2d\uff0c\u6211\u4f7f\u7528\u4e86\u5185\u5b58\u6570\u636e\u5e93\uff0c\u56e0\u6b64\u4e0d\u9700\u8981\u4efb\u4f55\u6570\u636e\u5e93\u8bbe\u7f6e\uff08\u4f46\u662f\u60a8\u53ef\u4ee5\u5728spring.xml\u6570\u636e\u6e90\u90e8\u5206\u5c06\u5176\u66f4\u6539\u4e3a\u5176\u4ed6\u4efb\u4f55\u6570\u636e\u5e93\uff09\u3002\u8fd9\u662f\u4e00\u4e2a\u72ec\u7acb\u7684Spring ORM\u5e94\u7528\u7a0b\u5e8f\uff0c\u4ee5\u5c3d\u91cf\u51cf\u5c11\u6240\u6709\u4f9d\u8d56\u5173\u7cfb\uff08\u4f46\u662f\u5982\u679c\u60a8\u719f\u6089Spring\uff0c\u53ef\u4ee5\u901a\u8fc7\u914d\u7f6e\u8f7b\u677e\u5c06\u5176\u66f4\u6539\u4e3aWeb\u9879\u76ee\uff09\u3002<\/p>\n
\u6ce8\u610f\uff1a\u5bf9\u4e8e\u57fa\u4e8eSpring AOP\u7684\u4e8b\u52a1\u5904\u7406\uff08\u65e0\u9700\u4f7f\u7528@Transactional\u6ce8\u89e3\u7684\u65b9\u6cd5\u89e3\u6790\u65b9\u6cd5\uff09\uff0c\u8bf7\u67e5\u770b\u6b64\u6559\u7a0b\uff1aSpring ORM AOP\u4e8b\u52a1\u7ba1\u7406<\/a>\u3002<\/p>\n \u4e0b\u56fe\u663e\u793a\u4e86\u6211\u4eec\u6700\u7ec8\u7684Spring ORM\u793a\u4f8b\u9879\u76ee\u3002\u8ba9\u6211\u4eec\u9010\u4e2a\u4e86\u89e3\u6bcf\u4e2aSpring ORM\u793a\u4f8b\u9879\u76ee\u7ec4\u4ef6\u3002<\/p>\n \u4e0b\u9762\u662f\u6211\u4eec\u6700\u7ec8\u7684pom.xml\u6587\u4ef6\uff0c\u5305\u542b\u4e86Spring ORM\u7684\u4f9d\u8d56\u3002\u5728\u6211\u4eec\u7684Spring ORM\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86Spring 4\u548cHibernate 4\u3002<\/p>\n \u6211\u4eec\u53ef\u4ee5\u5728\u6211\u4eec\u7684\u6a21\u578bBean\u4e2d\u4f7f\u7528\u6807\u51c6\u7684JPA\u6ce8\u89e3\u6765\u6620\u5c04\uff0c\u56e0\u4e3aHibernate\u63d0\u4f9b\u4e86JPA\u7684\u5b9e\u73b0\u3002<\/p>\n \u6211\u4eec\u4f7f\u7528@Entity\u548c@Id JPA\u6ce8\u89e3\u6765\u5c06\u6211\u4eec\u7684POJO\u6807\u8bc6\u4e3a\u5b9e\u4f53\uff0c\u5e76\u5b9a\u4e49\u5b83\u7684\u4e3b\u952e\u3002<\/p>\n \u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u7684DAO\u7c7b\uff0c\u5b83\u63d0\u4f9b\u4e86persist\u548cfindAll\u65b9\u6cd5\u3002<\/p>\n \u6211\u4eec\u7684\u7b80\u5355\u670d\u52a1\u7c7b\u67092\u4e2a\u5199\u65b9\u6cd5\u548c1\u4e2a\u8bfb\u65b9\u6cd5\u2014\u2014\u6dfb\u52a0\uff08add\uff09\u3001\u5168\u90e8\u6dfb\u52a0\uff08addAll\uff09\u548c\u5217\u51fa\u5168\u90e8\uff08listAll\uff09\u3002<\/p>\n \u8fd9\u662f\u6587\u7ae0\u300aSpring ORM\u793a\u4f8b – JPA\uff0cHibernate\uff0c\u4e8b\u52a1\u300b\u7684\u7b2c3\u90e8\u5206\uff08\u51714\u90e8\u5206\uff09\u3002<\/p>\n \u5185\u5bb9\u7247\u6bb5: \u6211\u4eec\u7684Spring ORM\u793a\u4f8b\u9879\u76ee\u7684Java\u7c7b\u5df2\u7ecf\u51c6\u5907\u597d\u4e86\uff0c\u73b0\u5728\u8ba9\u6211\u4eec\u6765\u770b\u770b\u6211\u4eec\u7684Spring bean\u914d\u7f6e\u6587\u4ef6\u3002spring.xml<\/p>\n \u6211\u4eec\u7684Spring ORM JPA Hibernate\u793a\u4f8b\u9879\u76ee\u5df2\u7ecf\u51c6\u5907\u5c31\u7eea\uff0c\u73b0\u5728\u8ba9\u6211\u4eec\u4e3a\u6211\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u7f16\u5199\u4e00\u4e2a\u6d4b\u8bd5\u7a0b\u5e8f\u3002<\/p>\n \u60a8\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u5982\u4f55\u4ece\u4e3b\u65b9\u6cd5\u4e2d\u8f7b\u677e\u542f\u52a8Spring\u5bb9\u5668\u3002\u5728Spring\u4e0a\u4e0b\u6587\u521d\u59cb\u5316\u540e\uff0c\u6211\u4eec\u5c06\u83b7\u53d6\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u4f9d\u8d56\u6ce8\u5165\u7684\u5165\u53e3\u70b9\uff0c\u5373\u670d\u52a1\u7c7b\u5b9e\u4f8b\u3002\u5728\u521d\u59cb\u5316\u5b8c\u6210\u540e\uff0cProductDao\u7c7b\u5f15\u7528\u5c06\u88ab\u6ce8\u5165\u5230ProductService\u7c7b\u4e2d\u3002\u5728\u83b7\u5f97ProductService\u5b9e\u4f8b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u6d4b\u8bd5\u5b83\u7684\u65b9\u6cd5\uff0c\u6240\u6709\u65b9\u6cd5\u8c03\u7528\u90fd\u5c06\u7531\u4e8eSpring\u7684\u4ee3\u7406\u673a\u5236\u800c\u5177\u6709\u4e8b\u52a1\u6027\u3002\u6211\u4eec\u8fd8\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\u6d4b\u8bd5\u4e86\u56de\u6eda\u3002\u5982\u679c\u60a8\u8fd0\u884c\u4e0a\u8ff0Spring ORM\u793a\u4f8b\u6d4b\u8bd5\u7a0b\u5e8f\uff0c\u5c06\u4f1a\u5f97\u5230\u4e0b\u9762\u7684\u65e5\u5fd7\u8bb0\u5f55\u3002<\/p>\n \u8bf7\u6ce8\u610f\u7b2c\u4e8c\u6b21\u4e8b\u52a1\u88ab\u56de\u6eda\u4e86\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u4ea7\u54c1\u5217\u8868\u6ca1\u6709\u53d8\u5316\u3002\u5982\u679c\u60a8\u4f7f\u7528\u9644\u5e26\u7684\u6e90\u4ee3\u7801\u4e2d\u7684log4j.properties\u6587\u4ef6\uff0c\u60a8\u53ef\u4ee5\u770b\u5230\u5e95\u5c42\u53d1\u751f\u4e86\u4ec0\u4e48\u3002\u53c2\u8003\u8d44\u6599\uff1aSpring ORM\u5b98\u65b9\u6587\u6863<\/a>\u3002\u60a8\u53ef\u4ee5\u4ece\u4e0b\u9762\u7684\u94fe\u63a5\u4e0b\u8f7d\u6700\u7ec8\u7684Spring ORM JPA Hibernate\u793a\u4f8b\u9879\u76ee\uff0c\u5e76\u901a\u8fc7\u5b83\u8fdb\u884c\u5b9e\u8df5\uff0c\u4ee5\u4fbf\u66f4\u591a\u5730\u5b66\u4e60\u3002<\/p>\nSpring ORM\u4f9d\u8d56\u7684Maven\u4f9d\u8d56\u9879<\/h3>\n
<project xmlns=\"https:\/\/maven.apache.org\/POM\/4.0.0\" xmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\" xsi:schemaLocation=\"https:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd\">\r\n\t<modelVersion>4.0.0<\/modelVersion>\r\n\r\n\t<groupId>hu.daniel.hari.learn.spring<\/groupId>\r\n\t<artifactId>Tutorial-SpringORMwithTX<\/artifactId>\r\n\t<version>0.0.1-SNAPSHOT<\/version>\r\n\t<packaging>jar<\/packaging>\r\n\r\n\t<properties>\r\n\t\t<!-- Generic properties -->\r\n\t\t<project.build.sourceEncoding>UTF-8<\/project.build.sourceEncoding>\r\n\t\t<java.version>1.7<\/java.version>\r\n\r\n\t\t<!-- SPRING & HIBERNATE \/ JPA -->\r\n\t\t<spring.version>4.0.0.RELEASE<\/spring.version>\r\n\t\t<hibernate.version>4.1.9.Final<\/hibernate.version>\r\n\r\n\t<\/properties>\r\n\r\n\t<dependencies>\r\n\t\t<!-- LOG -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>log4j<\/groupId>\r\n\t\t\t<artifactId>log4j<\/artifactId>\r\n\t\t\t<version>1.2.17<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<!-- Spring -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-context<\/artifactId>\r\n\t\t\t<version>${spring.version}<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-orm<\/artifactId>\r\n\t\t\t<version>${spring.version}<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<!-- JPA Vendor -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.hibernate<\/groupId>\r\n\t\t\t<artifactId>hibernate-entitymanager<\/artifactId>\r\n\t\t\t<version>${hibernate.version}<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<!-- IN MEMORY Database and JDBC Driver -->\r\n\t\t<dependency>\r\n\t\t\t<groupId>hsqldb<\/groupId>\r\n\t\t\t<artifactId>hsqldb<\/artifactId>\r\n\t\t\t<version>1.8.0.7<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t<\/dependencies>\r\n\r\n\t<build>\r\n\t\t<plugins>\r\n\t\t\t<plugin>\r\n\t\t\t\t<groupId>org.apache.maven.plugins<\/groupId>\r\n\t\t\t\t<artifactId>maven-compiler-plugin<\/artifactId>\r\n\t\t\t\t<version>3.1<\/version>\r\n\t\t\t\t<configuration>\r\n\t\t\t\t\t<source>${java.version}<\/source>\r\n\t\t\t\t\t<target>${java.version}<\/target>\r\n\t\t\t\t<\/configuration>\r\n\t\t\t<\/plugin>\r\n\t\t<\/plugins>\r\n\t<\/build>\r\n\r\n<\/project>\r\n<\/code><\/pre>\n\n
Spring\u6846\u67b6\u7684ORM\u6a21\u578b\u7c7b<\/h3>\n
package hu.daniel.hari.learn.spring.orm.model;\r\n\r\nimport javax.persistence.Entity;\r\nimport javax.persistence.Id;\r\n\r\n@Entity\r\npublic class Product {\r\n\r\n\t@Id\r\n\tprivate Integer id;\r\n\tprivate String name;\r\n\r\n\tpublic Product() {\r\n\t}\r\n\r\n\tpublic Product(Integer id, String name) {\r\n\t\tthis.id = id;\r\n\t\tthis.name = name;\r\n\t}\r\n\tpublic Integer getId() {\r\n\t\treturn id;\r\n\t}\r\n\tpublic void setId(Integer id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\tpublic String getName() {\r\n\t\treturn name;\r\n\t}\r\n\tpublic void setName(String name) {\r\n\t\tthis.name = name;\r\n\t}\r\n\r\n\t@Override\r\n\tpublic String toString() {\r\n\t\treturn \"Product [id=\" + id + \", name=\" + name + \"]\";\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\nSpring ORM DAO\u7c7b<\/h3>\n
Spring ORM DAO\u7c7b<\/h3>\n
package hu.daniel.hari.learn.spring.orm.dao;\r\n\r\nimport hu.daniel.hari.learn.spring.orm.model.Product;\r\n\r\nimport java.util.List;\r\n\r\nimport javax.persistence.EntityManager;\r\nimport javax.persistence.PersistenceContext;\r\n\r\nimport org.springframework.stereotype.Component;\r\n\r\n@Component\r\npublic class ProductDao {\r\n\r\n\t@PersistenceContext\r\n\tprivate EntityManager em;\r\n\r\n\tpublic void persist(Product product) {\r\n\t\tem.persist(product);\r\n\t}\r\n\r\n\tpublic List<Product> findAll() {\r\n\t\treturn em.createQuery(\"SELECT p FROM Product p\").getResultList();\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n\n
Spring ORM\u670d\u52a1\u7c7b<\/h3>\n
package hu.daniel.hari.learn.spring.orm.service;\r\n\r\nimport hu.daniel.hari.learn.spring.orm.dao.ProductDao;\r\nimport hu.daniel.hari.learn.spring.orm.model.Product;\r\n\r\nimport java.util.Collection;\r\nimport java.util.List;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.stereotype.Component;\r\nimport org.springframework.transaction.annotation.Transactional;\r\n\r\n@Component\r\npublic class ProductService {\r\n\r\n\t@Autowired\r\n\tprivate ProductDao productDao;\r\n\r\n\t@Transactional\r\n\tpublic void add(Product product) {\r\n\t\tproductDao.persist(product);\r\n\t}\r\n\t\r\n\t@Transactional\r\n\tpublic void addAll(Collection<Product> products) {\r\n\t\tfor (Product product : products) {\r\n\t\t\tproductDao.persist(product);\r\n\t\t}\r\n\t}\r\n\r\n\t@Transactional(readOnly = true)\r\n\tpublic List<Product> listAll() {\r\n\t\treturn productDao.findAll();\r\n\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n\n
Spring ORM\u7684\u793a\u4f8bBean\u914d\u7f6eXML<\/h3>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<beans xmlns=\"https:\/\/www.springframework.org\/schema\/beans\" \r\n\txmlns:p=\"https:\/\/www.springframework.org\/schema\/p\"\r\n\txmlns:context=\"https:\/\/www.springframework.org\/schema\/context\" \r\n\txmlns:tx=\"https:\/\/www.springframework.org\/schema\/tx\" \r\n\txmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n\txsi:schemaLocation=\"\r\n\t\thttps:\/\/www.springframework.org\/schema\/beans\r\n\t\thttps:\/\/www.springframework.org\/schema\/beans\/spring-beans-3.0.xsd\r\n\t\thttps:\/\/www.springframework.org\/schema\/context\r\n\t\thttps:\/\/www.springframework.org\/schema\/context\/spring-context-3.0.xsd\r\n\t\thttps:\/\/www.springframework.org\/schema\/tx\r\n\t\thttps:\/\/www.springframework.org\/schema\/tx\/spring-tx.xsd\r\n\t\t\">\r\n\t\r\n\t<!-- \u626b\u63cf\u7c7b\u8def\u5f84\u4e2d\u5e26\u6709\u6ce8\u89e3\u7684\u7ec4\u4ef6\uff0c\u8fd9\u4e9b\u7ec4\u4ef6\u5c06\u88ab\u81ea\u52a8\u6ce8\u518c\u4e3aSpring bean -->\r\n\t<context:component-scan base-package=\"hu.daniel.hari.learn.spring\" \/>\r\n\t<!-- \u6fc0\u6d3b\u5728bean\u7c7b\u4e2d\u68c0\u6d4b\u5404\u79cd\u6ce8\u89e3\u7684\u529f\u80fd\uff0c\u4f8b\u5982\uff1a@Autowired -->\r\n\t<context:annotation-config \/>\r\n\r\n\t<bean id=\"dataSource\" class=\"org.springframework.jdbc.datasource.DriverManagerDataSource\">\r\n\t\t<property name=\"driverClassName\" value=\"org.hsqldb.jdbcDriver\" \/>\r\n\t\t<property name=\"url\" value=\"jdbc:hsqldb:mem:\/\/productDb\" \/>\r\n\t\t<property name=\"username\" value=\"sa\" \/>\r\n\t\t<property name=\"password\" value=\"\" \/>\r\n\t<\/bean>\r\n\t\r\n\t<bean id=\"entityManagerFactory\" \r\n\t\t\tclass=\"org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean\"\r\n\t\t\tp:packagesToScan=\"hu.daniel.hari.learn.spring.orm.model\"\r\n p:dataSource-ref=\"dataSource\"\r\n\t\t\t>\r\n\t\t<property name=\"jpaVendorAdapter\">\r\n\t\t\t<bean class=\"org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter\">\r\n\t\t\t\t<property name=\"generateDdl\" value=\"true\" \/>\r\n\t\t\t\t<property name=\"showSql\" value=\"true\" \/>\r\n\t\t\t<\/bean>\r\n\t\t<\/property>\r\n\t<\/bean>\r\n\r\n\t<!-- \u4e8b\u52a1\u914d\u7f6e -->\r\n\t<bean id=\"transactionManager\" class=\"org.springframework.orm.jpa.JpaTransactionManager\">\r\n\t\t<property name=\"entityManagerFactory\" ref=\"entityManagerFactory\" \/>\r\n\t<\/bean>\r\n\t<!-- \u542f\u7528\u57fa\u4e8e\u6ce8\u89e3\u7684\u4e8b\u52a1\u884c\u4e3a\u914d\u7f6e -->\r\n\t<tx:annotation-driven transaction-manager=\"transactionManager\" \/>\r\n\r\n<\/beans>\r\n<\/code><\/pre>\n\n
\n
Spring ORM Hibernate JPA\u793a\u4f8b\u6d4b\u8bd5\u7a0b\u5e8f<\/h3>\n
public class SpringOrmMain {\r\n\t\r\n\tpublic static void main(String[] args) {\r\n\t\t\r\n\t\t\/\/\u521b\u5efaSpring\u5e94\u7528\u4e0a\u4e0b\u6587\r\n\t\tClassPathXmlApplicationContext ctx = new ClassPathXmlApplicationContext(\"classpath:\/spring.xml\");\r\n\t\t\r\n\t\t\/\/\u4ece\u4e0a\u4e0b\u6587\u4e2d\u83b7\u53d6\u670d\u52a1\uff08\u670d\u52a1\u7684\u4f9d\u8d56\u9879ProductDAO\u5df2\u81ea\u52a8\u6ce8\u5165\u5230ProductService\u4e2d\uff09\r\n\t\tProductService productService = ctx.getBean(ProductService.class);\r\n\t\t\r\n\t\t\/\/\u6267\u884c\u4e00\u4e9b\u6570\u636e\u64cd\u4f5c\r\n\t\t\r\n\t\tproductService.add(new Product(1, \"Bulb\"));\r\n\t\tproductService.add(new Product(2, \"Dijone mustard\"));\r\n\t\t\r\n\t\tSystem.out.println(\"listAll: \" + productService.listAll());\r\n\t\t\r\n\t\t\/\/\u6d4b\u8bd5\u4e8b\u52a1\u56de\u6eda\uff08\u91cd\u590d\u952e\uff09\r\n\t\t\r\n\t\ttry {\r\n\t\t\tproductService.addAll(Arrays.asList(new Product(3, \"Book\"), new Product(4, \"Soap\"), new Product(1, \"Computer\")));\r\n\t\t} catch (DataAccessException dataAccessException) {\r\n\t\t}\r\n\t\t\r\n\t\t\/\/\u6d4b\u8bd5\u56de\u6eda\u540e\u7684\u5143\u7d20\u5217\u8868\r\n\t\tSystem.out.println(\"listAll: \" + productService.listAll());\r\n\t\t\r\n\t\tctx.close();\r\n\t\t\r\n\t}\r\n}\r\n<\/code><\/pre>\nHibernate: insert into Product (name, id) values (?, ?)\r\nHibernate: insert into Product (name, id) values (?, ?)\r\nHibernate: select product0_.id as id0_, product0_.name as name0_ from Product product0_\r\nlistAll: [Product [id=1, name=Bulb], Product [id=2, name=Dijone mustard]]\r\nHibernate: insert into Product (name, id) values (?, ?)\r\nHibernate: insert into Product (name, id) values (?, ?)\r\nHibernate: insert into Product (name, id) values (?, ?)\r\nHibernate: select product0_.id as id0_, product0_.name as name0_ from Product product0_\r\nlistAll: [Product [id=1, name=Bulb], Product [id=2, name=Dijone mustard]]\r\n<\/code><\/pre>\n