{"id":153821,"date":"2024-11-02T10:38:19","date_gmt":"2024-11-02T02:38:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/153821\/"},"modified":"2024-11-02T10:38:20","modified_gmt":"2024-11-02T02:38:20","slug":"%e5%b8%b6%e6%9c%89-spring-boot-%e7%9a%84-spring-data-jpa-%e7%a4%ba%e4%be%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/153821\/","title":{"rendered":"\u5e36\u6709 Spring Boot \u7684 Spring Data JPA \u793a\u4f8b"},"content":{"rendered":"<h1 id=\"%e5%b8%b6%e6%9c%89-spring-boot-%e7%9a%84-spring-data-jpa-%e7%a4%ba%e4%be%8b-QnGlywNRNZ\">\u5e36\u6709 Spring Boot \u7684 Spring Data JPA \u793a\u4f8b<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u8edf\u9ad4\u958b\u767c\u4e2d\uff0cJava \u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u800c Spring Boot \u548c Spring Data JPA \u5247\u662f\u958b\u767c\u4f01\u696d\u7d1a\u61c9\u7528\u7a0b\u5e8f\u7684\u71b1\u9580\u9078\u64c7\u3002\u9019\u7bc7\u6587\u7ae0\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 Spring Boot \u548c Spring Data JPA \u4f86\u69cb\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u4ee3\u78bc\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-spring-boot%ef%bc%9f-QnGlywNRNZ\">\u4ec0\u9ebc\u662f Spring Boot\uff1f<\/h2>\n<p>Spring Boot \u662f\u4e00\u500b\u57fa\u65bc Spring \u6846\u67b6\u7684\u958b\u6e90\u6846\u67b6\uff0c\u65e8\u5728\u7c21\u5316 Spring \u61c9\u7528\u7a0b\u5e8f\u7684\u958b\u767c\u904e\u7a0b\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u5feb\u901f\u958b\u767c\u7684\u74b0\u5883\uff0c\u4e26\u4e14\u901a\u904e\u81ea\u52d5\u914d\u7f6e\u4f86\u6e1b\u5c11\u7e41\u7463\u7684\u8a2d\u7f6e\u5de5\u4f5c\u3002\u958b\u767c\u8005\u53ef\u4ee5\u5c08\u6ce8\u65bc\u696d\u52d9\u908f\u8f2f\uff0c\u800c\u4e0d\u5fc5\u64d4\u5fc3\u5e95\u5c64\u7684\u914d\u7f6e\u554f\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-spring-data-jpa%ef%bc%9f-QnGlywNRNZ\">\u4ec0\u9ebc\u662f Spring Data JPA\uff1f<\/h2>\n<p>Spring Data JPA \u662f\u4e00\u500b\u7528\u65bc\u7c21\u5316\u6578\u64da\u8a2a\u554f\u5c64\u7684\u6846\u67b6\uff0c\u5b83\u57fa\u65bc JPA\uff08Java Persistence API\uff09\u6a19\u6e96\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u65b9\u5f0f\u4f86\u8a2a\u554f\u6578\u64da\u5eab\uff0c\u4e26\u4e14\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\u6280\u8853\u3002\u901a\u904e\u4f7f\u7528 Spring Data JPA\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u9032\u884c CRUD\uff08\u5275\u5efa\u3001\u8b80\u53d6\u3001\u66f4\u65b0\u3001\u522a\u9664\uff09\u64cd\u4f5c\uff0c\u800c\u7121\u9700\u7de8\u5beb\u5927\u91cf\u7684 SQL \u8a9e\u53e5\u3002<\/p>\n<h2 id=\"%e5%bb%ba%e7%ab%8b%e4%b8%80%e5%80%8b%e7%b0%a1%e5%96%ae%e7%9a%84-spring-boot-%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f-QnGlywNRNZ\">\u5efa\u7acb\u4e00\u500b\u7c21\u55ae\u7684 Spring Boot \u61c9\u7528\u7a0b\u5e8f<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u901a\u904e\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4f86\u5c55\u793a\u5982\u4f55\u4f7f\u7528 Spring Boot \u548c Spring Data JPA\u3002\u5047\u8a2d\u6211\u5011\u8981\u5efa\u7acb\u4e00\u500b\u7ba1\u7406\u7528\u6236\u7684\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-1%ef%bc%9a%e5%89%b5%e5%bb%ba-spring-boot-%e9%a0%85%e7%9b%ae-QnGlywNRNZ\">\u6b65\u9a5f 1\uff1a\u5275\u5efa Spring Boot \u9805\u76ee<\/h3>\n<p>\u9996\u5148\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Spring Initializr\uff08https:\/\/start.spring.io\/\uff09\u4f86\u5275\u5efa\u4e00\u500b\u65b0\u7684 Spring Boot \u9805\u76ee\u3002\u5728\u9019\u88e1\uff0c\u6211\u5011\u9078\u64c7\u4ee5\u4e0b\u4f9d\u8cf4\u9805\uff1a<\/p>\n<ul>\n<li>Spring Web<\/li>\n<li>Spring Data JPA<\/li>\n<li>H2 Database<\/li>\n<\/ul>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-2%ef%bc%9a%e9%85%8d%e7%bd%ae%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f%e5%b1%ac%e6%80%a7-QnGlywNRNZ\">\u6b65\u9a5f 2\uff1a\u914d\u7f6e\u61c9\u7528\u7a0b\u5e8f\u5c6c\u6027<\/h3>\n<p>\u5728\u751f\u6210\u7684\u9805\u76ee\u4e2d\uff0c\u6253\u958b <code>src\/main\/resources\/application.properties<\/code> \u6587\u4ef6\uff0c\u4e26\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<pre><code>spring.h2.console.enabled=true\nspring.datasource.url=jdbc:h2:mem:testdb\nspring.datasource.driverClassName=org.h2.Driver\nspring.datasource.username=sa\nspring.datasource.password=password\nspring.jpa.database-platform=org.hibernate.dialect.H2Dialect\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-3%ef%bc%9a%e5%89%b5%e5%bb%ba%e5%af%a6%e9%ab%94%e9%a1%9e-QnGlywNRNZ\">\u6b65\u9a5f 3\uff1a\u5275\u5efa\u5be6\u9ad4\u985e<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u7528\u6236\u5be6\u9ad4\u985e\u3002\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>User.java<\/code> \u7684\u6587\u4ef6\uff0c\u4e26\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import javax.persistence.Entity;\nimport javax.persistence.GeneratedValue;\nimport javax.persistence.GenerationType;\nimport javax.persistence.Id;\n\n@Entity\npublic class User {\n    @Id\n    @GeneratedValue(strategy = GenerationType.IDENTITY)\n    private Long id;\n    private String name;\n    private String email;\n\n    \/\/ Getters and Setters\n}\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-4%ef%bc%9a%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a8%aa%e5%95%8f%e5%b1%a4-QnGlywNRNZ\">\u6b65\u9a5f 4\uff1a\u5275\u5efa\u6578\u64da\u8a2a\u554f\u5c64<\/h3>\n<p>\u7136\u5f8c\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u7528\u6236\u5b58\u5132\u5eab\u63a5\u53e3\u3002\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>UserRepository.java<\/code> \u7684\u6587\u4ef6\uff0c\u4e26\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import org.springframework.data.jpa.repository.JpaRepository;\n\npublic interface UserRepository extends JpaRepository {\n}\n<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f-5%ef%bc%9a%e5%89%b5%e5%bb%ba%e6%8e%a7%e5%88%b6%e5%99%a8-QnGlywNRNZ\">\u6b65\u9a5f 5\uff1a\u5275\u5efa\u63a7\u5236\u5668<\/h3>\n<p>\u6700\u5f8c\uff0c\u6211\u5011\u9700\u8981\u5275\u5efa\u4e00\u500b\u63a7\u5236\u5668\u4f86\u8655\u7406 HTTP \u8acb\u6c42\u3002\u5275\u5efa\u4e00\u500b\u540d\u70ba <code>UserController.java<\/code> \u7684\u6587\u4ef6\uff0c\u4e26\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.web.bind.annotation.*;\n\nimport java.util.List;\n\n@RestController\n@RequestMapping(\"\/users\")\npublic class UserController {\n    @Autowired\n    private UserRepository userRepository;\n\n    @GetMapping\n    public List getAllUsers() {\n        return userRepository.findAll();\n    }\n\n    @PostMapping\n    public User createUser(@RequestBody User user) {\n        return userRepository.save(user);\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QnGlywNRNZ\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u6210\u529f\u5730\u5efa\u7acb\u4e86\u4e00\u500b\u7c21\u55ae\u7684 Spring Boot \u61c9\u7528\u7a0b\u5e8f\uff0c\u4e26\u4f7f\u7528 Spring Data JPA \u4f86\u9032\u884c\u6578\u64da\u8a2a\u554f\u3002\u9019\u500b\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5feb\u901f\u69cb\u5efa\u4e00\u500b CRUD \u61c9\u7528\u7a0b\u5e8f\uff0c\u4e26\u4e14\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u64f4\u5c55\u548c\u4fee\u6539\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5c0f\u578b\u9805\u76ee\u9084\u662f\u5927\u578b\u4f01\u696d\u61c9\u7528\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5e36\u6709 Spring Boot \u7684 Spring Data JPA \u793a\u4f8b\uff0c\u5b78\u7fd2\u5982\u4f55\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u64cd\u4f5c\u548c\u5be6\u73fe\u9ad8\u6548\u7684\u6578\u64da\u8a2a\u554f\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-153821","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153821","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=153821"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153821\/revisions"}],"predecessor-version":[{"id":153822,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/153821\/revisions\/153822"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=153821"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=153821"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=153821"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}