{"id":40466,"date":"2022-11-11T03:56:44","date_gmt":"2023-10-12T17:39:42","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%ef%bc%88%e9%92%88%e5%af%b9%e5%88%9d%e5%ad%a6%e8%80%85%ef%bc%89spring-data-jpa%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e3%80%82\/"},"modified":"2024-04-29T00:05:26","modified_gmt":"2024-04-28T16:05:26","slug":"%ef%bc%88%e9%92%88%e5%af%b9%e5%88%9d%e5%ad%a6%e8%80%85%ef%bc%89spring-data-jpa%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%ef%bc%88%e9%92%88%e5%af%b9%e5%88%9d%e5%ad%a6%e8%80%85%ef%bc%89spring-data-jpa%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86%e3%80%82\/","title":{"rendered":"\uff08\u9488\u5bf9\u521d\u5b66\u8005\uff09Spring Data JPA\u7684\u57fa\u7840\u77e5\u8bc6"},"content":{"rendered":"

\u7531\u4e8e\u5728\u5b66\u4e60Spring Boot\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u6709\u673a\u4f1a\u4f7f\u7528Spring Data JPA\uff0c\u6240\u4ee5\u6211\u6253\u7b97\u987a\u4fbf\u590d\u4e60\u4e00\u4e0b\u5e76\u5206\u4eab\u4e00\u4e0b\u3002<\/p>\n

Spring Data JPA\u6307\u7684\u662f\u4ec0\u4e48\uff1f<\/h2>\n

Spring Boot\u662f\u4e00\u79cd\u53ef\u4ee5\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u5e93\/\u6846\u67b6\u3002<\/p>\n

\u5728Spring Data JPA\u4e2d\uff0c\u5185\u90e8\u5b9e\u73b0\u4e86Hibernate\uff08Hibernate\uff09\u5e93\uff0c\u5b83\u53ef\u4ee5\u5c06Java\u7c7b\u548c\u6570\u636e\u5e93\u8868\u8fde\u63a5\u5728\u4e00\u8d77\u3002<\/p>\n

\u8ba9\u6211\u4eec\u5c1d\u8bd5\u4f7f\u7528Spring Data JPA\u81ea\u52a8\u751f\u6210\u6570\u636e\u5e93\u3002<\/h2>\n

\u8fd9\u6b21\u6211\u4eec\u5c06\u5c1d\u8bd5\u8fde\u63a5MySQL\u548cSpring Data JPA\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u5f53\u4f5c\u7ec3\u4e60\u3002<\/p>\n

\u5728MySQL\u4e2d\u8fdb\u884c\u6570\u636e\u5e93\u7684\u914d\u7f6e\u3002<\/h2>\n

\u521b\u5efa\u6570\u636e\u5e93\u3002<\/h3>\n
create<\/span> database<\/span> db_sample<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u7528\u6237\u548c\u5bc6\u7801\u7684\u8bbe\u7f6e<\/h3>\n
create<\/span> user<\/span> 'username'<\/span>@<\/span>'localhost'<\/span> IDENTIFIED<\/span> BY<\/span> 'password'<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u6743\u9650\u8bbe\u7f6e<\/h3>\n
GRANT<\/span> ALL<\/span> PRIVILEGES<\/span> ON<\/span> *<\/span> .<\/span> *<\/span> TO<\/span> 'username'<\/span>@<\/span>'localhost'<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u203b \u8865\u5145\u8bf4\u660e\uff1a
\nGRANT\u8bed\u53e5\u7528\u4e8e\u4e3a\u8bbe\u7f6e\u7684\u7528\u6237\u8bbe\u7f6e\u8bbf\u95ee\u6743\u9650\u3002
\n\u4e24\u4e2a\u661f\u53f7\u5206\u522b\u6307\u5b9a\u4e86\u6570\u636e\u5e93\u548c\u8868\u3002
\n\u7531\u4e8e\u672c\u6b21\u4f7f\u7528\u4e86\u661f\u53f7\uff0c\u56e0\u6b64\u5141\u8bb8\u5bf9\u6240\u6709\u6570\u636e\u5e93\u548c\u8868\u7684\u8bbf\u95ee\u3002<\/p>\n
\u91cd\u65b0\u52a0\u8f7d\u6240\u8bbe\u7f6e\u7684\u6743\u9650<\/h3>\n
FLUSH<\/span> PRIVILEGES<\/span>;<\/span>\r\n<\/code><\/pre>\n
\u521b\u5efa\u9879\u76ee<\/h3>\n
\u4ece\u300cSpring Starter \u9879\u76ee\u300d\u5f00\u59cb\u521b\u5efa\u65b0\u9879\u76ee\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n
package<\/span> com.example.demo.model<\/span>;<\/span>\r\n\r\nimport<\/span> javax.persistence.Entity<\/span>;<\/span>\r\nimport<\/span> javax.persistence.GeneratedValue<\/span>;<\/span>\r\nimport<\/span> javax.persistence.GenerationType<\/span>;<\/span>\r\nimport<\/span> javax.persistence.Id<\/span>;<\/span>\r\n\r\nimport<\/span> lombok.Data<\/span>;<\/span>\r\n\r\n@Data<\/span>\r\n@Entity<\/span>\r\npublic<\/span> class<\/span> Sample<\/span> {<\/span>\r\n\t\r\n\t@Id<\/span>\r\n\t@GeneratedValue<\/span>(<\/span>strategy<\/span>=<\/span>GenerationType<\/span>.<\/span>IDENTITY<\/span>)<\/span>\r\n\tprivate<\/span> Integer<\/span> id<\/span>;<\/span>\r\n\t\r\n\tprivate<\/span> String<\/span> name<\/span>;<\/span>\r\n\r\n}<\/span>\r\n\r\n<\/code><\/pre>\n
\u901a\u8fc7\u5728Bean\u7c7b\u4e0a\u6dfb\u52a0@Data\u6ce8\u89e3\uff0c\u53ef\u4ee5\u7701\u7565\u4ee5\u4e0b\u4ee3\u7801\uff1a
\n\u2022 getter\u65b9\u6cd5
\n\u2022 setter\u65b9\u6cd5
\n\u2022 \u91cd\u5199hashcode\u65b9\u6cd5
\n\u2022 \u91cd\u5199toString\u65b9\u6cd5
\n\u2022 \u91cd\u5199equals\u65b9\u6cd5<\/p>\n
@Entity\u662f\u4e00\u4e2a\u6ce8\u89e3\uff0c\u8868\u793a\u4e00\u4e2a\u6570\u636e\u5bb9\u5668\u3002
\n\u6dfb\u52a0\u6b64\u6ce8\u89e3\u8868\u793a\u8be5\u7c7b\u662f\u4e00\u4e2a\u5b9e\u4f53\u7c7b\u3002<\/p>\n
@Id\u662f\u4e00\u4e2a\u6ce8\u89e3\uff0c\u7528\u4e8e\u6307\u793aEntity\u7684\u4e3b\u952e\u3002
\n\u7ed9@Id\u52a0\u4e0a\u6ce8\u89e3\u540e\uff0c\u5c06\u88ab\u5047\u5b9a\u4e3a\u4e3b\u8868\u7684\u4e3b\u952e\u5217\u3002<\/p>\n
@GeneratedValue\u662f\u4e00\u4e2a\u6ce8\u89e3\uff0c\u7528\u4e8e\u6307\u5b9a\u5728\u4e3b\u952e\u5217\u4e2d\u81ea\u52a8\u751f\u6210\u548c\u5206\u914d\u552f\u4e00\u503c\u7684\u65b9\u6cd5\u3002\u5b83\u9002\u7528\u4e8e\u62e5\u6709@Id\u6ce8\u89e3\u7684\u5b9e\u4f53\u7c7b\u7b49\u3002<\/p>\n
\u6218\u7565<\/h4>\n
\u6307\u5b9a\u7528\u4e8e\u751f\u6210\u5b9e\u4f53\u7c7b\u4e3b\u952e\u503c\u7684\u5c5e\u6027\u3002<\/p>\n
IDENTITY\u7684GenerationType\u3002<\/h4>\n
\u4f7f\u7528\u6570\u636e\u5e93\u7684identity\u5217\u6765\u751f\u6210\u4e3b\u952e\u503c\u3002<\/p>\n
\u521b\u5efaapplication.properties\u6587\u4ef6<\/h2>\n
\u521b\u5efa\u4e00\u4e2aapplication\/properties\u6587\u4ef6\uff0c\u5e76\u5728\u5176\u4e2d\u586b\u5199\u4ee5\u4e0b\u5185\u5bb9\u4ee5\u8fdb\u884c\u6570\u636e\u5e93\u914d\u7f6e\u3002<\/p>\n
spring.jpa.hibernate.ddl-auto<\/span>=<\/span>create<\/span>\r\nspring.datasource.url<\/span>=<\/span>jdbc:mysql:\/\/localhost:3306\/db_sample<\/span>\r\nspring.datasource.username<\/span>=<\/span>username<\/span>\r\nspring.datasource.password<\/span>=<\/span>password<\/span>\r\nspring.datasource.driver-class-name<\/span>=<\/span>com.mysql.cj.jdbc.Driver<\/span>\r\n<\/code><\/pre>\n
\u25c6 \u6625\u5b63.jpa.hibernate.ddl-auto<\/h3>\n
\u5728Spring Boot\u542f\u52a8\u65f6\u81ea\u52a8\u751f\u6210\u8868\u683c\u3002 \u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u8bbe\u7f6e\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n
\u5982\u679centity\u8868\u5b58\u5728\uff0c\u5219\u5220\u9664\u5e76\u91cd\u65b0\u751f\u6210\u3002<\/p>\n
\u5982\u679c\u5b58\u5728entity\u8868\uff0c\u5219\u5220\u9664\u5b83\u5e76\u91cd\u65b0\u751f\u6210\u3002\u6b64\u5916\uff0c\u5728Springboot\u7ed3\u675f\u65f6\u5220\u9664\u8868\u3002<\/p>\n
\u66f4\u65b0\uff1a
\n\u82e5\u5b9e\u4f53\u8868\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efa\u4e4b\u3002<\/p>\n
\u25c6\u6570\u636e\u5e93\u8fde\u63a5\u5730\u5740 spring.datasource.url<\/h3>\n
\u8bf7\u63d0\u4f9b\u8fde\u63a5\u7684URL\u3002<\/p>\n
\u25c6\u6570\u636e\u6e90\u7684\u7528\u6237\u540d<\/h3>\n
\u6307\u5b9aMySQL\u4e2d\u8bbe\u7f6e\u7684\u7528\u6237\u540d\u3002<\/p>\n
\u25c6\u6570\u636e\u5e93\u5bc6\u7801<\/h3>\n
\u6307\u5b9a\u4f60\u5728MySQL\u4e2d\u8bbe\u7f6e\u7684\u5bc6\u7801<\/p>\n
\u25c6\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u7c7b\u540d\uff1aspring.datasource.driver-class-name<\/h3>\n
\u5728\u4f7f\u7528JDBC\u9a71\u52a8\u7a0b\u5e8f\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u9a71\u52a8\u7a0b\u5e8f\u7684\u7c7b\u540d\u3002
\n\u5728MySQL\u4e2d\uff0c\u9700\u8981\u6307\u5b9acom.mysql.cj.jdbc.Driver\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n
\u6211\u6210\u529f\u5730\u81ea\u52a8\u751f\u6210\u4e86\uff01<\/p>\n
\u6587\u732e\u5f15\u7528<\/h2>\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
\u7531\u4e8e\u5728\u5b66\u4e60Spring Boot\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u6709\u673a\u4f1a\u4f7f\u7528Spring Data JPA\uff0c\u6240\u4ee5\u6211\u6253\u7b97\u987a\u4fbf\u590d\u4e60\u4e00\u4e0b\u5e76 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40466","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\uff08\u9488\u5bf9\u521d\u5b66\u8005\uff09Spring Data JPA\u7684\u57fa\u7840\u77e5\u8bc6 - Blog - Silicon Cloud<\/title>\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\/\uff08\u9488\u5bf9\u521d\u5b66\u8005\uff09spring-data-jpa\u7684\u57fa\u7840\u77e5\u8bc6\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\uff08\u9488\u5bf9\u521d\u5b66\u8005\uff09Spring Data JPA\u7684\u57fa\u7840\u77e5\u8bc6\" \/>\n<meta property=\"og:description\" content=\"\u7531\u4e8e\u5728\u5b66\u4e60Spring Boot\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u6709\u673a\u4f1a\u4f7f\u7528Spring Data JPA\uff0c\u6240\u4ee5\u6211\u6253\u7b97\u987a\u4fbf\u590d\u4e60\u4e00\u4e0b\u5e76 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\uff08\u9488\u5bf9\u521d\u5b66\u8005\uff09spring-data-jpa\u7684\u57fa\u7840\u77e5\u8bc6\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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