{"id":712,"date":"2023-10-17T13:16:13","date_gmt":"2022-11-08T13:31:44","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/%e6%98%a5%e5%a4%a9%e7%9a%84%e6%95%b0%e6%8d%aejpa\/"},"modified":"2025-08-03T04:25:35","modified_gmt":"2025-08-02T20:25:35","slug":"%e6%98%a5%e5%a4%a9%e7%9a%84%e6%95%b0%e6%8d%aejpa","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%98%a5%e5%a4%a9%e7%9a%84%e6%95%b0%e6%8d%aejpa\/","title":{"rendered":"Spring Data JPA\u5b8c\u5168\u6307\u5357\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a\u7684Java\u6301\u4e45\u5c42\u6846\u67b6\u6559\u7a0b"},"content":{"rendered":"
\n

Spring Data JPA\u8be6\u89e3\uff08\u7b2c1\u90e8\u5206\uff0c\u51714\u90e8\u5206\uff09<\/h1>\n

Spring Data JPA \u662f Spring Data \u5bb6\u65cf\u7684\u4e00\u90e8\u5206\u3002Spring Data \u4f7f\u5f97\u521b\u5efa\u4f7f\u7528\u65b0\u7684\u6570\u636e\u8bbf\u95ee\u65b9\u5f0f\uff08\u5982\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u3001\u6620\u5c04\u51cf\u5c11\u6846\u67b6\u3001\u4e91\u670d\u52a1\u4ee5\u53ca\u9ad8\u7ea7\u5173\u7cfb\u578b\u6570\u636e\u5e93\u652f\u6301\uff09\u7684\u57fa\u4e8e Spring \u7684\u5e94\u7528\u7a0b\u5e8f\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002\u672c\u6587\u5c06\u8ba8\u8bba Spring Data JPA\uff0c\u5e76\u4e14\u8fd8\u4f1a\u4ecb\u7ecd\u4e00\u4e2a Spring Data JPA \u793a\u4f8b\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

Spring Data JPA\u7684\u6838\u5fc3\u529f\u80fd<\/h2>\n

Spring Data JPA\u63d0\u4f9b\u7684\u4e00\u4e9b\u5f88\u9177\u7684\u529f\u80fd\u6709\uff1a<\/p>\n

    \n
  1. \u4f7f\u7528Spring\u548cJPA\u521b\u5efa\u548c\u652f\u6301\u5b58\u50a8\u5e93<\/li>\n
  2. \u652f\u6301QueryDSL\u548cJPA\u67e5\u8be2<\/li>\n
  3. \u5bf9\u57df\u7c7b\u8fdb\u884c\u5ba1\u8ba1<\/li>\n
  4. \u652f\u6301\u6279\u91cf\u52a0\u8f7d\u3001\u6392\u5e8f\u3001\u52a8\u6001\u67e5\u8be2<\/li>\n
  5. \u652f\u6301\u5b9e\u4f53\u7684XML\u6620\u5c04<\/li>\n
  6. \u901a\u8fc7\u4f7f\u7528CrudRepository\u51cf\u5c11\u901a\u7528CRUD\u64cd\u4f5c\u7684\u4ee3\u7801\u91cf<\/li>\n<\/ol>\n

    \u4f55\u65f6\u4f7f\u7528Spring Data JPA\uff1f<\/h2>\n

    \u6211\u8ba4\u4e3a\uff0c\u5982\u679c\u4f60\u9700\u8981\u5feb\u901f\u521b\u5efa\u4e00\u4e2a\u4e3b\u8981\u7528\u4e8eCRUD\u64cd\u4f5c\u7684\u57fa\u4e8eJPA\u7684\u5b58\u50a8\u5e93\u5c42\uff0c\u5e76\u4e14\u4e0d\u60f3\u521b\u5efa\u62bd\u8c61DAO\u3001\u5b9e\u73b0\u63a5\u53e3\uff0c\u90a3\u4e48Spring Data JPA\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\u3002<\/p>\n

    Spring Data JPA\u793a\u4f8b<\/h2>\n

    \u5728\u6211\u4eec\u7684Spring Data JPA\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u8fde\u63a5\u5230Postgresql\u6570\u636e\u5e93\u7684RESTful Web\u670d\u52a1\u3002\u6211\u4eec\u5c06\u5b9e\u73b0\u57fa\u672c\u7684CRUD\u64cd\u4f5c\uff0c\u5e76\u5728\u6211\u4eec\u5df2\u7ecf\u521b\u5efa\u7684\u793a\u4f8b\u6570\u636e\u4e0a\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n

    \u793a\u4f8b\u6570\u636e<\/h2>\n

    \u4f7f\u7528\u4ee5\u4e0b\u67e5\u8be2\u5728PostgreSQL\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u8868\u5e76\u6dfb\u52a0\u4e00\u4e9b\u6d4b\u8bd5\u6570\u636e\u3002<\/p>\n

    create table people (\r\nid serial not null primary key,\r\nfirst_name varchar(20) not null,\r\nlast_name varchar(20) not null,\r\nage integer not null\r\n);\r\n\r\ninsert into people (id, first_name, last_name, age) values\r\n(1, 'Vlad', 'Boyarskiy', 21),\r\n(2,'Oksi', ' Bahatskaya', 30),\r\n(3,'Vadim', ' Vadimich', 32);\r\n<\/code><\/pre>\n
    Maven \u9879\u76ee\u7ed3\u6784<\/h2>\n
    \"Spring<\/div>\n
    Maven\u4f9d\u8d56<\/h2>\n
    \u6211\u4eec\u9700\u8981\u4e3a\u6211\u4eec\u7684Spring Data JPA\u793a\u4f8b\u9879\u76ee\u6dfb\u52a0\u4ee5\u4e0b\u4f9d\u8d56\u9879\u3002<\/p>\n
      \n
    1. PostgreSQL\uff1aPostgreSQL Java\u9a71\u52a8\u7a0b\u5e8f\u3002<\/li>\n
    2. Spring-core\uff0cspring-context\uff1aSpring\u6846\u67b6\u6838\u5fc3\u4f9d\u8d56\u3002<\/li>\n
    3. Spring-webmvc\uff0cjackson-databind\uff1a\u7528\u4e8eSpring REST\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n
    4. Spring-data-jpa\uff0chibernate-entitymanager\uff1a\u7528\u4e8eSpring Data JPA\u548cHibernate\u652f\u6301\u3002<\/li>\n<\/ol>\n
      \u4ee5\u4e0b\u662f\u6700\u7ec8\u7684pom.xml\u6784\u5efa\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n
      <project xmlns=\"https:\/\/maven.apache.org\/POM\/4.0.0\" xmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n\txsi:schemaLocation=\"https:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/maven-v4_0_0.xsd\">\r\n\t<modelVersion>4.0.0<\/modelVersion>\r\n\t<groupId>com.Olivia<\/groupId>\r\n\t<artifactId>springData<\/artifactId>\r\n\t<packaging>war<\/packaging>\r\n\t<version>1.0-SNAPSHOT<\/version>\r\n\t<name>Spring Data JPA Maven Webapp<\/name>\r\n\t<url>https:\/\/maven.apache.org<\/url>\r\n\t<properties>\r\n\t\t<spring.framework>4.3.0.RELEASE<\/spring.framework>\r\n\t\t<postgres.version>42.1.4<\/postgres.version>\r\n\t\t<serializer.version>2.8.1<\/serializer.version>\r\n\t\t<spring.data>1.3.4.RELEASE<\/spring.data>\r\n\t\t<hibernate.manager>4.2.5.Final<\/hibernate.manager>\r\n\t<\/properties>\r\n\t<dependencies>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-webmvc<\/artifactId>\r\n\t\t\t<version>${spring.framework}<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.postgresql<\/groupId>\r\n\t\t\t<artifactId>postgresql<\/artifactId>\r\n\t\t\t<version>${postgres.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-core<\/artifactId>\r\n\t\t\t<version>${spring.framework}<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-context<\/artifactId>\r\n\t\t\t<version>${spring.framework}<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>junit<\/groupId>\r\n\t\t\t<artifactId>junit<\/artifactId>\r\n\t\t\t<version>3.8.1<\/version>\r\n\t\t\t<scope>test<\/scope>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework.data<\/groupId>\r\n\t\t\t<artifactId>spring-data-jpa<\/artifactId>\r\n\t\t\t<version>${spring.data}<\/version>\r\n\t\t<\/dependency>\r\n\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.hibernate<\/groupId>\r\n\t\t\t<artifactId>hibernate-entitymanager<\/artifactId>\r\n\t\t\t<version>${hibernate.manager}<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>javax.servlet<\/groupId>\r\n\t\t\t<artifactId>servlet-api<\/artifactId>\r\n\t\t\t<version>2.5<\/version>\r\n\t\t\t<scope>provided<\/scope>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>com.fasterxml.jackson.core<\/groupId>\r\n\t\t\t<artifactId>jackson-databind<\/artifactId>\r\n\t\t\t<version>${serializer.version}<\/version>\r\n\t\t<\/dependency>\r\n\t<\/dependencies>\r\n\r\n\t<build>\r\n\t\t<finalName>${project.artifactId}<\/finalName>\r\n\t<\/build>\r\n<\/project>\r\n<\/code><\/pre>\n
      Spring \u914d\u7f6e\u7c7b<\/h2>\n<\/article>\n
      \u8fd9\u662f\u6587\u7ae0\u300a\u6625\u5929\u7684\u6570\u636eJPA\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51714\u90e8\u5206\uff09\u3002<\/p>\n
      package com.Olivia.spring.config;\r\n\r\nimport java.util.Properties;\r\n\r\nimport javax.sql.DataSource;\r\n\r\nimport org.hibernate.ejb.HibernatePersistence;\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.context.annotation.Bean;\r\nimport org.springframework.context.annotation.Configuration;\r\nimport org.springframework.context.annotation.PropertySource;\r\nimport org.springframework.core.env.Environment;\r\nimport org.springframework.data.jpa.repository.config.EnableJpaRepositories;\r\nimport org.springframework.jdbc.datasource.DriverManagerDataSource;\r\nimport org.springframework.orm.jpa.JpaTransactionManager;\r\nimport org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;\r\nimport org.springframework.transaction.annotation.EnableTransactionManagement;\r\n\r\n@Configuration\r\n@EnableTransactionManagement\r\n@EnableJpaRepositories(\"com.Olivia.spring.repository\")\r\n@PropertySource(\"classpath:database.properties\")\r\npublic class DataConfig {\r\n\r\n\tprivate final String PROPERTY_DRIVER = \"driver\";\r\n\tprivate final String PROPERTY_URL = \"url\";\r\n\tprivate final String PROPERTY_USERNAME = \"user\";\r\n\tprivate final String PROPERTY_PASSWORD = \"password\";\r\n\tprivate final String PROPERTY_SHOW_SQL = \"hibernate.show_sql\";\r\n\tprivate final String PROPERTY_DIALECT = \"hibernate.dialect\";\r\n\r\n\t@Autowired\r\n\tEnvironment environment;\r\n\r\n\t@Bean\r\n\tLocalContainerEntityManagerFactoryBean entityManagerFactory() {\r\n\t\tLocalContainerEntityManagerFactoryBean lfb = new LocalContainerEntityManagerFactoryBean();\r\n\t\tlfb.setDataSource(dataSource());\r\n\t\tlfb.setPersistenceProviderClass(HibernatePersistence.class);\r\n\t\tlfb.setPackagesToScan(\"com.Olivia.spring.model\");\r\n\t\tlfb.setJpaProperties(hibernateProps());\r\n\t\treturn lfb;\r\n\t}\r\n\r\n\t@Bean\r\n\tDataSource dataSource() {\r\n\t\tDriverManagerDataSource ds = new DriverManagerDataSource();\r\n\t\tds.setUrl(environment.getProperty(PROPERTY_URL));\r\n\t\tds.setUsername(environment.getProperty(PROPERTY_USERNAME));\r\n\t\tds.setPassword(environment.getProperty(PROPERTY_PASSWORD));\r\n\t\tds.setDriverClassName(environment.getProperty(PROPERTY_DRIVER));\r\n\t\treturn ds;\r\n\t}\r\n\r\n\tProperties hibernateProps() {\r\n\t\tProperties properties = new Properties();\r\n\t\tproperties.setProperty(PROPERTY_DIALECT, environment.getProperty(PROPERTY_DIALECT));\r\n\t\tproperties.setProperty(PROPERTY_SHOW_SQL, environment.getProperty(PROPERTY_SHOW_SQL));\r\n\t\treturn properties;\r\n\t}\r\n\r\n\t@Bean\r\n\tJpaTransactionManager transactionManager() {\r\n\t\tJpaTransactionManager transactionManager = new JpaTransactionManager();\r\n\t\ttransactionManager.setEntityManagerFactory(entityManagerFactory().getObject());\r\n\t\treturn transactionManager;\r\n\t}\r\n}\r\n<\/code><\/pre>\n
        \n
      • @Configuration<\/strong>: \u8fd9\u4e2aSpring\u6ce8\u89e3\u8868\u660e\u5b83\u662f\u4e00\u4e2a\u914d\u7f6e\u7c7b\u3002<\/li>\n
      • @EnableTransactionManagement<\/strong>: \u8fd9\u4e2a\u6ce8\u89e3\u5141\u8bb8\u7528\u6237\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u4e8b\u52a1\u7ba1\u7406\u3002<\/li>\n
      • @EnableJpaRepositories(“com.Olivia.spring.repository”)<\/strong>: \u6307\u660e\u4ed3\u5e93\u7c7b\u6240\u5728\u7684\u4f4d\u7f6e\u3002<\/li>\n
      • @PropertySource(“classpath:database.properties”)<\/strong>: \u8868\u793a\u6211\u4eec\u5728\u7c7b\u8def\u5f84\u4e2d\u6709\u4e00\u4e2a\u5c5e\u6027\u6587\u4ef6\u3002\u8fd9\u4e2a\u6587\u4ef6\u4e2d\u7684\u503c\u5c06\u88ab\u6ce8\u5165\u5230\u73af\u5883\u53d8\u91cf\u4e2d\u3002database.properties\u6587\u4ef6\u7684\u5185\u5bb9\u5982\u4e0b\u6240\u793a\uff1a\n
        driver=org.postgresql.Driver\r\nurl=jdbc:postgresql:\/\/127.0.0.1:5432\/postgres\r\nuser=postgres\r\npassword=postgres\r\nhibernate.dialect=org.hibernate.dialect.PostgreSQL82Dialect\r\nhibernate.show_sql=true<\/pre>\n<\/li>\n
      • \u8981\u4f7f\u7528Spring Data\uff0c\u9996\u5148\u6211\u4eec\u5fc5\u987b\u914d\u7f6eDataSource bean\u3002\u7136\u540e\u6211\u4eec\u9700\u8981\u914d\u7f6eLocalContainerEntityManagerFactoryBean bean\u3002\u6211\u4eec\u9700\u8981\u8fd9\u4e2abean\u6765\u63a7\u5236\u5b9e\u4f53\u3002\u5728\u8fd9\u4e2abean\u4e2d\uff0c\u4f60\u5fc5\u987b\u6307\u5b9a\u6301\u4e45\u5316\u63d0\u4f9b\u8005\uff0c\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\u662fHibernatePersistence\u3002<\/li>\n
      • \u4e0b\u4e00\u6b65\u662f\u914d\u7f6e\u4e8b\u52a1\u7ba1\u7406\u7684bean\u3002\u5728\u6211\u4eec\u7684\u4f8b\u5b50\u4e2d\u662fJpaTransactionManager\u3002\u8bf7\u6ce8\u610f\uff0c\u4e0d\u914d\u7f6e\u4e8b\u52a1\u7ba1\u7406\u5668\u6211\u4eec\u5c31\u4e0d\u80fd\u4f7f\u7528@Transactional\u6ce8\u89e3\u3002<\/li>\n<\/ul>\n
        \u901a\u8fc7AppInitializer\u548cWebConfig\u7c7b\u6765\u914d\u7f6e\u6211\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u4e3aweb\u5e94\u7528\u7a0b\u5e8f\uff0c\u800c\u4e0d\u9700\u8981\u4f7f\u7528web.xml\u6587\u4ef6\u3002<\/p>\n
        \u6a21\u578b\u7c7b<\/h3>\n
        package com.Olivia.spring.model;\r\n\r\nimport javax.persistence.Column;\r\nimport javax.persistence.Entity;\r\nimport javax.persistence.GeneratedValue;\r\nimport javax.persistence.GenerationType;\r\nimport javax.persistence.Id;\r\nimport javax.persistence.Table;\r\n\r\n@Entity\r\n@Table(name = \"people\")\r\npublic class Person {\r\n\r\n\t@Id\r\n\t@GeneratedValue(strategy = GenerationType.IDENTITY)\r\n\tprivate Long id;\r\n\r\n\t@Column(name = \"age\")\r\n\tprivate Integer age;\r\n\t@Column(name = \"first_name\")\r\n\tprivate String firstName;\r\n\t@Column(name = \"last_name\")\r\n\tprivate String lastName;\r\n\r\n\tpublic Person() {\r\n\t}\r\n\r\n\tpublic Long getId() {\r\n\t\treturn id;\r\n\t}\r\n\r\n\tpublic void setId(Long id) {\r\n\t\tthis.id = id;\r\n\t}\r\n\r\n\tpublic Integer getAge() {\r\n\t\treturn age;\r\n\t}\r\n\r\n\tpublic void setAge(Integer age) {\r\n\t\tthis.age = age;\r\n\t}\r\n\r\n\tpublic String getFirstName() {\r\n\t\treturn firstName;\r\n\t}\r\n\r\n\tpublic void setFirstName(String firstName) {\r\n\t\tthis.firstName = firstName;\r\n\t}\r\n\r\n\tpublic String getLastName() {\r\n\t\treturn lastName;\r\n\t}\r\n\r\n\tpublic void setLastName(String lastName) {\r\n\t\tthis.lastName = lastName;\r\n\t}\r\n\r\n\t@Override\r\n\tpublic String toString() {\r\n\t\treturn \"Person{\" + \"id=\" + id + \", age=\" + age + \", firstName='\" + firstName + '\\'' + \", lastName='\" + lastName\r\n\t\t\t\t+ '\\'' + '}';\r\n\t}\r\n}\r\n<\/code><\/pre>\n
        \u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u6709\u4e00\u4e9b\u65b0\u7684\u6279\u6ce8\u3002\u8ba9\u6211\u4eec\u66f4\u8be6\u7ec6\u5730\u8c08\u8c08\u5b83\u4eec\u3002<\/p>\n
          \n
        • @Entity: This annotation allows entity manager to use this class and puts it in context.<\/li>\n
        • @Table(name = \u201cpeople\u201d): associates a class with a table in the database.<\/li>\n
        • @Id: says that this field is the primary key.<\/li>\n
        • @GeneratedValue(strategy = GenerationType.IDENTITY): Defines the strategy for generating the primary key.<\/li>\n
        • @Column(name = “age”): denotes a column in the database with which this field will be associated.<\/li>\n<\/ul>\n
          Spring Data JPA \u4ed3\u5e93\u4e0b\u4e00\u6b65\u662f\u521b\u5efaJPA\u5b58\u50a8\u5e93\u3002<\/p>\n
          package com.Olivia.spring.repository;\r\n\r\nimport org.springframework.data.repository.CrudRepository;\r\n\r\nimport com.Olivia.spring.model.Person;\r\n\r\nimport java.util.List;\r\n\r\npublic interface PersonRepository<P> extends CrudRepository<Person, Long> {\r\n    List<Person> findByFirstName(String firstName);\r\n}\r\n<\/code><\/pre>\n
          \u901a\u8fc7\u7ee7\u627fCrudRepository\uff0c\u6211\u4eec\u53ef\u4ee5\u8c03\u7528\u8bb8\u591a\u65b9\u6cd5\u800c\u65e0\u9700\u81ea\u5df1\u5b9e\u73b0\u3002\u5176\u4e2d\u4e00\u4e9b\u65b9\u6cd5\u5305\u62ec\uff1a<\/p>\n
            \n
          • save<\/li>\n
          • findOne<\/li>\n
          • exists<\/li>\n
          • findAll<\/li>\n
          • count<\/li>\n
          • delete<\/li>\n
          • deleteAll<\/li>\n<\/ul>\n
            \u6211\u4eec\u4e5f\u53ef\u4ee5\u5b9a\u4e49\u81ea\u5df1\u7684\u65b9\u6cd5\u3002\u8fd9\u4e9b\u65b9\u6cd5\u540d\u5e94\u8be5\u4f7f\u7528\u7279\u6b8a\u7684\u5173\u952e\u5b57\uff0c\u5982\u201cfind\u201d\u3001\u201corder\u201d\uff0c\u52a0\u4e0a\u53d8\u91cf\u7684\u540d\u79f0\u3002Spring Data JPA\u7684\u5f00\u53d1\u4eba\u5458\u5df2\u7ecf\u8bd5\u56fe\u8003\u8651\u5230\u53ef\u80fd\u9700\u8981\u7684\u5927\u90e8\u5206\u9009\u9879\u3002\u5728\u6211\u4eec\u7684\u793a\u4f8b\u4e2d\uff0cfindByFirstName(String firstName)\u65b9\u6cd5\u8fd4\u56de\u8868\u4e2d\u5b57\u6bb5first_name\u7b49\u4e8efirstName\u7684\u6240\u6709\u6761\u76ee\u3002\u8fd9\u662fSpring Data JPA\u7684\u4e00\u4e2a\u6700\u91cd\u8981\u7684\u7279\u6027\uff0c\u56e0\u4e3a\u5b83\u51cf\u5c11\u4e86\u5f88\u591a\u6837\u677f\u4ee3\u7801\u3002\u800c\u4e14\u51fa\u9519\u7684\u673a\u4f1a\u8f83\u5c11\uff0c\u56e0\u4e3a\u8fd9\u4e9bSpring\u65b9\u6cd5\u5df2\u7ecf\u88ab\u8bb8\u591a\u5df2\u7ecf\u4f7f\u7528\u5b83\u4eec\u7684\u9879\u76ee\u5145\u5206\u6d4b\u8bd5\u8fc7\u3002<\/p>\n
            \u6625\u5b63\u670d\u52a1\u73ed\u65e2\u7136\u6211\u4eec\u7684Spring Data JPA\u4ee3\u7801\u5df2\u7ecf\u51c6\u5907\u5c31\u7eea\uff0c\u4e0b\u4e00\u6b65\u5c31\u662f\u521b\u5efa\u670d\u52a1\u7c7b\u5e76\u5b9a\u4e49\u6211\u4eec\u5c06\u7528\u4e8e\u64cd\u4f5c\u6570\u636e\u5e93\u8868\u7684\u65b9\u6cd5\u3002<\/p>\n
            package com.Olivia.spring.services;\r\n\r\nimport java.util.List;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.stereotype.Service;\r\nimport org.springframework.transaction.annotation.Transactional;\r\n\r\nimport com.Olivia.spring.model.Person;\r\nimport com.Olivia.spring.repository.PersonRepository;\r\n\r\n@Service\r\npublic class PersonService {\r\n\r\n\t@Autowired\r\n\tPersonRepository<Person> personRepository;\r\n\r\n\t@Transactional\r\n\tpublic List<Person> getAllPersons() {\r\n\t\treturn (List<Person>) personRepository.findAll();\r\n\t}\r\n\r\n\t@Transactional\r\n\tpublic List<Person> findByName(String name) {\r\n\t\treturn personRepository.findByFirstName(name);\r\n\t}\r\n\r\n\t@Transactional\r\n\tpublic Person getById(Long id) {\r\n\t\treturn personRepository.findOne(id);\r\n\t}\r\n\r\n\t@Transactional\r\n\tpublic void deletePerson(Long personId) {\r\n\t\tpersonRepository.delete(personId);\r\n\t}\r\n\r\n\t@Transactional\r\n\tpublic boolean addPerson(Person person) {\r\n\t\treturn personRepository.save(person) != null;\r\n\t}\r\n\r\n\t@Transactional\r\n\tpublic boolean updatePerson(Person person) {\r\n\t\treturn personRepository.save(person) != null;\r\n\t}\r\n}\r\n<\/code><\/pre>\n
            @Transactional\u6ce8\u89e3\u8868\u793a\u8be5\u65b9\u6cd5\u5c06\u5728\u4e8b\u52a1\u4e2d\u6267\u884c\u3002Spring\u5c06\u8d1f\u8d23\u4e8b\u52a1\u7ba1\u7406\u3002<\/p>\n
            Spring\u63a7\u5236\u5668\u7c7b
            \n\u8fd9\u662f\u6587\u7ae0\u300aSpring Data JPA\u5165\u95e8\u6307\u5357\u300b\u7684\u7b2c4\u90e8\u5206\uff08\u51714\u90e8\u5206\uff09\u3002<\/p>\n
            \u5185\u5bb9\u7247\u6bb5: \u6700\u540e\u4e00\u6b65\u662f\u521b\u5efa\u63a7\u5236\u5668\u7c7b\uff0c\u5c06\u6211\u4eec\u7684API\u66b4\u9732\u7ed9\u5916\u90e8\u4e16\u754c\u3002<\/p>\n
            package com.Olivia.spring.controller;\r\n\r\nimport java.util.List;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.http.HttpStatus;\r\nimport org.springframework.web.bind.annotation.PathVariable;\r\nimport org.springframework.web.bind.annotation.RequestBody;\r\nimport org.springframework.web.bind.annotation.RequestMapping;\r\nimport org.springframework.web.bind.annotation.RequestMethod;\r\nimport org.springframework.web.bind.annotation.ResponseBody;\r\nimport org.springframework.web.bind.annotation.RestController;\r\n\r\nimport com.Olivia.spring.model.Person;\r\nimport com.Olivia.spring.services.PersonService;\r\n\r\n@RestController\r\npublic class PersonController {\r\n\r\n\t@Autowired\r\n\tPersonService personService;\r\n\r\n\t@RequestMapping(value = \"\/person\/{id}\", method = RequestMethod.GET)\r\n\tpublic @ResponseBody Person getAllUsers(@PathVariable Long id) {\r\n\t\treturn personService.getById(id);\r\n\t}\r\n\r\n\t@RequestMapping(value = \"\/personByName\/{name}\", method = RequestMethod.GET)\r\n\tpublic List<Person> getPersoneByName(@PathVariable String name) {\r\n\t\treturn personService.findByName(name);\r\n\t}\r\n\r\n\t@RequestMapping(value = \"\/person\", method = RequestMethod.GET)\r\n\tpublic List<Person> getAll() {\r\n\t\treturn personService.getAllPersons();\r\n\t}\r\n\r\n\t@RequestMapping(value = \"\/person\/{id}\", method = RequestMethod.DELETE)\r\n\tpublic HttpStatus deletePersnone(@PathVariable Long id) {\r\n\t\tpersonService.deletePerson(id);\r\n\t\treturn HttpStatus.NO_CONTENT;\r\n\t}\r\n\r\n\t@RequestMapping(value = \"\/person\", method = RequestMethod.POST)\r\n\tpublic HttpStatus insertPersone(@RequestBody Person person) {\r\n\t\treturn personService.addPerson(person) ? HttpStatus.CREATED : HttpStatus.BAD_REQUEST;\r\n\t}\r\n\r\n\t@RequestMapping(value = \"\/person\", method = RequestMethod.PUT)\r\n\tpublic HttpStatus updatePerson(@RequestBody Person person) {\r\n\t\treturn personService.updatePerson(person) ? HttpStatus.ACCEPTED : HttpStatus.BAD_REQUEST;\r\n\t}\r\n}\r\n<\/code><\/pre>\n
            Spring Data JPA \u6d4b\u8bd5<\/h3>\n
            \u53ea\u9700\u5c06\u9879\u76ee\u6784\u5efa\u5e76\u90e8\u7f72\u5230\u60a8\u6700\u559c\u6b22\u7684servlet\u5bb9\u5668\uff08\u5982Tomcat\uff09\u4e2d\u3002\u4ee5\u4e0b\u56fe\u7247\u663e\u793a\u4e86\u4e00\u4e9bAPI\u8c03\u7528\u7684\u54cd\u5e94\u3002<\/p>\n
            Spring Data JPA \u8bfb\u53d6\u5168\u90e8\u6570\u636e<\/h5>\n
            \"Spring<\/div>\n
            \u901a\u8fc7\u540d\u79f0\u83b7\u53d6Spring Data JPA\u6570\u636e<\/h5>\n
            \"Spring<\/div>\n
            \u4f7f\u7528Spring Data JPA\u8fdb\u884c\u521b\u5efa<\/h5>\n
            \"Spring<\/div>\n
            Spring Data JPA \u66f4\u65b0\u6570\u636e<\/h5>\n
            \"Spring<\/div>\n
            Spring Data JPA \u5220\u9664\u6570\u636e<\/h5>\n
            \"Spring<\/div>\n
            \u4e0b\u8f7dSpring Data JPA\u793a\u4f8b\u9879\u76ee<\/p>\n
            \u53c2\u8003\u8d44\u6599\uff1aSpring\u5b98\u65b9\u7f51\u7ad9<\/p>\n","protected":false},"excerpt":{"rendered":"
            Spring Data JPA\u8be6\u89e3\uff08\u7b2c1\u90e8\u5206\uff0c\u51714\u90e8\u5206\uff09 Spring Data JPA \u662f Spring D […]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1965,1966,1964,1089,1967],"class_list":["post-712","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java","tag-jpa","tag-spring-data-jpa","tag-spring","tag-1967"],"yoast_head":"\nSpring Data JPA\u5b8c\u5168\u6307\u5357\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a\u7684Java\u6301\u4e45\u5c42\u6846\u67b6\u6559\u7a0b - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5168\u9762\u89e3\u6790Spring Data JPA\u6846\u67b6\uff0c\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u9ad8\u7ea7\u5e94\u7528\u3002\u672c\u6559\u7a0b\u6db5\u76d6JPA\u5b9e\u4f53\u6620\u5c04\u3001Repository\u63a5\u53e3\u3001\u67e5\u8be2\u65b9\u6cd5\u3001\u4e8b\u52a1\u7ba1\u7406\u7b49\u6838\u5fc3\u5185\u5bb9\uff0c\u5e2e\u52a9Java\u5f00\u53d1\u8005\u638c\u63e1\u6570\u636e\u6301\u4e45\u5316\u6280\u672f\uff0c\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6625\u5929\u7684\u6570\u636ejpa\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spring Data JPA\u5b8c\u5168\u6307\u5357\uff1a\u4ece\u5165\u95e8\u5230\u7cbe\u901a\u7684Java\u6301\u4e45\u5c42\u6846\u67b6\u6559\u7a0b\" \/>\n<meta property=\"og:description\" content=\"\u5168\u9762\u89e3\u6790Spring Data JPA\u6846\u67b6\uff0c\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u9ad8\u7ea7\u5e94\u7528\u3002\u672c\u6559\u7a0b\u6db5\u76d6JPA\u5b9e\u4f53\u6620\u5c04\u3001Repository\u63a5\u53e3\u3001\u67e5\u8be2\u65b9\u6cd5\u3001\u4e8b\u52a1\u7ba1\u7406\u7b49\u6838\u5fc3\u5185\u5bb9\uff0c\u5e2e\u52a9Java\u5f00\u53d1\u8005\u638c\u63e1\u6570\u636e\u6301\u4e45\u5316\u6280\u672f\uff0c\u63d0\u5347\u5f00\u53d1\u6548\u7387\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6625\u5929\u7684\u6570\u636ejpa\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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