{"id":421,"date":"2024-01-16T23:12:29","date_gmt":"2023-04-06T03:39:38","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/hibernate%e4%bc%9a%e8%af%9d%e5%90%88%e5%b9%b6%ef%bc%8c%e6%9b%b4%e6%96%b0%ef%bc%8c%e4%bf%9d%e5%ad%98%ef%bc%8c%e4%bf%9d%e5%ad%98%e6%88%96%e6%9b%b4%e6%96%b0%ef%bc%8c%e6%8c%81%e4%b9%85%e5%8c%96%e7%a4%ba\/"},"modified":"2025-08-02T06:52:34","modified_gmt":"2025-08-01T22:52:34","slug":"hibernate%e4%bc%9a%e8%af%9d%e5%90%88%e5%b9%b6%ef%bc%8c%e6%9b%b4%e6%96%b0%ef%bc%8c%e4%bf%9d%e5%ad%98%ef%bc%8c%e4%bf%9d%e5%ad%98%e6%88%96%e6%9b%b4%e6%96%b0%ef%bc%8c%e6%8c%81%e4%b9%85%e5%8c%96%e7%a4%ba","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/hibernate%e4%bc%9a%e8%af%9d%e5%90%88%e5%b9%b6%ef%bc%8c%e6%9b%b4%e6%96%b0%ef%bc%8c%e4%bf%9d%e5%ad%98%ef%bc%8c%e4%bf%9d%e5%ad%98%e6%88%96%e6%9b%b4%e6%96%b0%ef%bc%8c%e6%8c%81%e4%b9%85%e5%8c%96%e7%a4%ba\/","title":{"rendered":"Hibernate\u4f1a\u8bdd\u64cd\u4f5c\u5b8c\u5168\u6307\u5357\uff1a\u5408\u5e76\u3001\u66f4\u65b0\u3001\u4fdd\u5b58\u4e0e\u6301\u4e45\u5316\u65b9\u6cd5\u5b9e\u4f8b\u89e3\u6790"},"content":{"rendered":"

\u4eca\u5929\u6211\u4eec\u5c06\u7814\u7a76Hibernate Session\u8fd9\u4e2a\u63a5\u53e3\uff0c\u5b83\u5728Java\u5e94\u7528\u7a0b\u5e8f\u548cHibernate\u6846\u67b6\u4e4b\u95f4\u8d77\u5230\u4e86\u5173\u952e\u4f5c\u7528\u3002\u6211\u4eec\u5c06\u91cd\u70b9\u4ecb\u7ecdSession\u4e2d\u7528\u4e8e\u4fdd\u5b58\u548c\u66f4\u65b0\u8868\u6570\u636e\u7684\u91cd\u8981\u65b9\u6cd5\uff0c\u5305\u62ecsave\u3001saveOrUpdate\u3001persist\u3001update\u548cmerge\u3002<\/p>\n

Hibernate \u4f1a\u8bdd<\/h2>\n

Hibernate \u4f1a\u8bdd\u4fdd\u5b58<\/h3>\n

\u6b63\u5982\u65b9\u6cd5\u540d\u6240\u6697\u793a\u7684\uff0cHibernate save() \u65b9\u6cd5\u53ef\u7528\u4e8e\u5c06\u5b9e\u4f53\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u4e8b\u52a1\u4e4b\u5916\u8c03\u7528\u6b64\u65b9\u6cd5\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u6211\u4e0d\u63a8\u8350\u4f7f\u7528\u6b64\u65b9\u6cd5\u4fdd\u5b58\u6570\u636e\u7684\u539f\u56e0\u3002\u5982\u679c\u6211\u4eec\u5728\u6ca1\u6709\u4e8b\u52a1\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u5b83\u5e76\u4e14\u5b9e\u4f53\u4e4b\u95f4\u5b58\u5728\u7ea7\u8054\u5173\u7cfb\uff0c\u90a3\u4e48\u53ea\u6709\u4e3b\u8981\u5b9e\u4f53\u4f1a\u88ab\u4fdd\u5b58\uff0c\u9664\u975e\u6211\u4eec\u5237\u65b0\u4f1a\u8bdd\u3002\u4e3a\u4e86\u6d4b\u8bd5\u76ee\u7684\uff0c\u6211\u4eec\u6709\u4e24\u4e2a\u5b9e\u4f53bean – \u5458\u5de5\u548c\u5730\u5740\u3002<\/p>\n

package com.Olivia.hibernate.model;\r\n\r\nimport javax.persistence.Access;\r\nimport javax.persistence.AccessType;\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.OneToOne;\r\nimport javax.persistence.Table;\r\n\r\nimport org.hibernate.annotations.Cascade;\r\n\r\n@Entity\r\n@Table(name = \"EMPLOYEE\")\r\n@Access(value=AccessType.FIELD)\r\npublic class Employee {\r\n\r\n\t@Id\r\n\t@GeneratedValue(strategy = GenerationType.IDENTITY)\r\n\t@Column(name = \"emp_id\")\r\n\tprivate long id;\r\n\r\n\t@Column(name = \"emp_name\")\r\n\tprivate String name;\r\n\r\n\t@Column(name = \"emp_salary\")\r\n\tprivate double salary;\r\n\r\n\t@OneToOne(mappedBy = \"employee\")\r\n\t@Cascade(value = org.hibernate.annotations.CascadeType.ALL)\r\n\tprivate Address address;\r\n\r\n        \/\/Getter setter methods\r\n\r\n\t@Override\r\n\tpublic String toString() {\r\n\t\treturn \"Id= \" + id + \", Name= \" + name + \", Salary= \" + salary\r\n\t\t\t\t+ \", {Address= \" + address + \"}\";\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
package com.Olivia.hibernate.model;\r\n\r\nimport javax.persistence.Access;\r\nimport javax.persistence.AccessType;\r\nimport javax.persistence.Column;\r\nimport javax.persistence.Entity;\r\nimport javax.persistence.GeneratedValue;\r\nimport javax.persistence.Id;\r\nimport javax.persistence.OneToOne;\r\nimport javax.persistence.PrimaryKeyJoinColumn;\r\nimport javax.persistence.Table;\r\n\r\nimport org.hibernate.annotations.GenericGenerator;\r\nimport org.hibernate.annotations.Parameter;\r\n\r\n@Entity\r\n@Table(name = \"ADDRESS\")\r\n@Access(value=AccessType.FIELD)\r\npublic class Address {\r\n\r\n\t@Id\r\n\t@Column(name = \"emp_id\", unique = true, nullable = false)\r\n\t@GeneratedValue(generator = \"gen\")\r\n\t@GenericGenerator(name = \"gen\", strategy = \"foreign\", parameters = { @Parameter(name = \"property\", value = \"employee\") })\r\n\tprivate long id;\r\n\r\n\t@Column(name = \"address_line1\")\r\n\tprivate String addressLine1;\r\n\r\n\t@Column(name = \"zipcode\")\r\n\tprivate String zipcode;\r\n\r\n\t@Column(name = \"city\")\r\n\tprivate String city;\r\n\r\n\t@OneToOne\r\n\t@PrimaryKeyJoinColumn\r\n\tprivate Employee employee;\r\n\r\n        \/\/Getter setter methods\r\n\r\n\t@Override\r\n\tpublic String toString() {\r\n\t\treturn \"AddressLine1= \" + addressLine1 + \", City=\" + city\r\n\t\t\t\t+ \", Zipcode=\" + zipcode;\r\n\t}\r\n}\r\n<\/code><\/pre>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Hibernate\u7a0b\u5e8f\uff0c\u6f14\u793a\u4e86\u5728\u4e0d\u540c\u60c5\u51b5\u4e0b\u8c03\u7528save()\u65b9\u6cd5\u3002<\/p>\n
package com.Olivia.hibernate.main;\r\n\r\nimport org.hibernate.Session;\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.Transaction;\r\n\r\nimport com.Olivia.hibernate.model.Address;\r\nimport com.Olivia.hibernate.model.Employee;\r\nimport com.Olivia.hibernate.util.HibernateUtil;\r\n\r\npublic class HibernateSaveExample {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\r\n\t\t\/\/ \u51c6\u5907\u5de5\u4f5c\r\n\t\tSessionFactory sessionFactory = HibernateUtil.getSessionFactory();\r\n\t\t\r\n\t\t\/\/save\u793a\u4f8b - \u65e0\u4e8b\u52a1\r\n\t\tSession session = sessionFactory.openSession();\r\n\t\tEmployee emp = getTestEmployee();\r\n\t\tlong id = (Long) session.save(emp);\r\n\t\tSystem.out.println(\"1. \u5728\u65e0\u4e8b\u52a1\u60c5\u51b5\u4e0b\u8c03\u7528Employee save\u65b9\u6cd5, id=\"+id);\r\n\t\tsession.flush(); \/\/\u6ca1\u6709\u6b64\u64cd\u4f5caddress\u5c06\u4e0d\u4f1a\u88ab\u4fdd\u5b58\r\n\t\tSystem.out.println(\"*****\");\r\n\t\t\r\n\t\t\/\/save\u793a\u4f8b - \u6709\u4e8b\u52a1\r\n\t\tTransaction tx1 = session.beginTransaction();\r\n\t\tSession session1 = sessionFactory.openSession();\r\n\t\tEmployee emp1 = getTestEmployee();\r\n\t\tlong id1 = (Long) session1.save(emp1);\r\n\t\tSystem.out.println(\"2. \u5728\u6709\u4e8b\u52a1\u60c5\u51b5\u4e0b\u8c03\u7528Employee save\u65b9\u6cd5, id=\"+id1);\r\n\t\tSystem.out.println(\"3. \u63d0\u4ea4save\u4e8b\u52a1\u524d\");\r\n\t\ttx1.commit();\r\n\t\tSystem.out.println(\"4. \u63d0\u4ea4save\u4e8b\u52a1\u540e\");\r\n\t\tSystem.out.println(\"*****\");\r\n\t\t\r\n\t\t\/\/save\u793a\u4f8b - \u8868\u4e2d\u5df2\u5b58\u5728\u7684\u884c\r\n\t\tSession session6 = sessionFactory.openSession();\r\n\t\tTransaction tx6 = session6.beginTransaction();\r\n\t\tEmployee emp6 =  (Employee) session6.load(Employee.class, new Long(20));\r\n\t\t\r\n\t\t\/\/\u66f4\u65b0\u4e00\u4e9b\u6570\u636e\r\n\t\tSystem.out.println(\"\u5458\u5de5\u8be6\u60c5=\"+emp6);\r\n\t\temp6.setName(\"\u65b0\u540d\u79f0\");\r\n\t\temp6.getAddress().setCity(\"\u65b0\u57ce\u5e02\");\r\n\t\t\r\n\t\tlong id6 = (Long) session6.save(emp6);\r\n\t\temp6.setName(\"\u65b0\u540d\u79f01\"); \/\/ \u5c06\u5728\u6570\u636e\u5e93\u4e2d\u66f4\u65b0\r\n\t\tSystem.out.println(\"5. \u5728\u6709\u4e8b\u52a1\u60c5\u51b5\u4e0b\u8c03\u7528Employee save\u65b9\u6cd5, id=\"+id6);\r\n\t\tSystem.out.println(\"6. \u63d0\u4ea4save\u4e8b\u52a1\u524d\");\r\n\t\ttx6.commit();\r\n\t\tSystem.out.println(\"7. \u63d0\u4ea4save\u4e8b\u52a1\u540e\");\r\n\t\tSystem.out.println(\"*****\");\r\n\t\t\r\n\t\t\/\/ \u5173\u95ed\u8d44\u6e90\r\n\t\tsessionFactory.close();\r\n\r\n\t}\r\n\r\n\tpublic static Employee getTestEmployee() {\r\n\t\tEmployee emp = new Employee();\r\n\t\tAddress add = new Address();\r\n\t\temp.setName(\"\u6d4b\u8bd5\u5458\u5de5\");\r\n\t\temp.setSalary(1000);\r\n\t\tadd.setAddressLine1(\"\u6d4b\u8bd5\u5730\u57401\");\r\n\t\tadd.setCity(\"\u6d4b\u8bd5\u57ce\u5e02\");\r\n\t\tadd.setZipcode(\"12121\");\r\n\t\temp.setAddress(add);\r\n\t\tadd.setEmployee(emp);\r\n\t\treturn emp;\r\n\t}\r\n}\r\n<\/code><\/pre>\n
\u5f53\u6211\u4eec\u6267\u884c\u4ee5\u4e0a\u7a0b\u5e8f\u65f6\uff0c\u4f1a\u4ea7\u751f\u4ee5\u4e0b\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n
Hibernate: insert into EMPLOYEE (emp_name, emp_salary) values (?, ?)\r\n1. \u5728\u65e0\u4e8b\u52a1\u60c5\u51b5\u4e0b\u8c03\u7528Employee save\u65b9\u6cd5, id=149\r\nHibernate: insert into ADDRESS (address_line1, city, zipcode, emp_id) values (?, ?, ?, ?)\r\n*****\r\nHibernate: insert into EMPLOYEE (emp_name, emp_salary) values (?, ?)\r\n2. \u5728\u6709\u4e8b\u52a1\u60c5\u51b5\u4e0b\u8c03\u7528Employee save\u65b9\u6cd5, id=150\r\n3. \u63d0\u4ea4save\u4e8b\u52a1\u524d\r\nHibernate: insert into ADDRESS (address_line1, city, zipcode, emp_id) values (?, ?, ?, ?)\r\n4. \u63d0\u4ea4save\u4e8b\u52a1\u540e\r\n*****\r\nHibernate: select employee0_.emp_id as emp_id1_1_0_, employee0_.emp_name as emp_name2_1_0_, employee0_.emp_salary as emp_sala3_1_0_, address1_.emp_id as emp_id1_0_1_, address1_.address_line1 as address_2_0_1_, address1_.city as city3_0_1_, address1_.zipcode as zipcode4_0_1_ from EMPLOYEE employee0_ left outer join ADDRESS address1_ on employee0_.emp_id=address1_.emp_id where employee0_.emp_id=?\r\n\u5458\u5de5\u8be6\u60c5=Id= 20, Name= Kumar1, Salary= 1000.0, {Address= AddressLine1= \u6d4b\u8bd5\u5730\u57401, City=Blr, Zipcode=12121}\r\n5. \u5728\u6709\u4e8b\u52a1\u60c5\u51b5\u4e0b\u8c03\u7528Employee save\u65b9\u6cd5, id=20\r\n6. \u63d0\u4ea4save\u4e8b\u52a1\u524d\r\nHibernate: update EMPLOYEE set emp_name=?, emp_salary=? where emp_id=?\r\nHibernate: update ADDRESS set address_line1=?, city=?, zipcode=? where emp_id=?\r\n7. \u63d0\u4ea4save\u4e8b\u52a1\u540e\r\n*****\r\n<\/code><\/pre>\n
\u4ece\u4e0a\u8ff0\u8f93\u51fa\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u8ba4\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n
    \n
  • \u6211\u4eec\u5e94\u8be5\u907f\u514d\u5728\u4e8b\u52a1\u8fb9\u754c\u5916\u4f7f\u7528save\u65b9\u6cd5\uff0c\u5426\u5219\u6620\u5c04\u7684\u5b9e\u4f53\u5c06\u4e0d\u4f1a\u88ab\u4fdd\u5b58\uff0c\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u3002\u7531\u4e8e\u4e0d\u4f1a\u629b\u51fa\u4efb\u4f55\u5f02\u5e38\u6216\u8b66\u544a\uff0c\u5f88\u5bb9\u6613\u5fd8\u8bb0\u5237\u65b0\u4f1a\u8bdd\u3002<\/li>\n
  • Hibernate save\u65b9\u6cd5\u4f1a\u7acb\u5373\u8fd4\u56de\u751f\u6210\u7684ID\uff0c\u8fd9\u662f\u56e0\u4e3a\u4e3b\u5bf9\u8c61\u5728\u8c03\u7528save\u65b9\u6cd5\u65f6\u5c31\u88ab\u7acb\u5373\u4fdd\u5b58\u4e86\u3002<\/li>\n
  • \u5982\u679c\u5b58\u5728\u4ece\u4e3b\u5bf9\u8c61\u6620\u5c04\u7684\u5176\u4ed6\u5bf9\u8c61\uff0c\u5b83\u4eec\u4f1a\u5728\u63d0\u4ea4\u4e8b\u52a1\u6216\u5237\u65b0\u4f1a\u8bdd\u65f6\u88ab\u4fdd\u5b58\u3002<\/li>\n
  • \u5bf9\u4e8e\u5904\u4e8e\u6301\u4e45\u72b6\u6001\u7684\u5bf9\u8c61\uff0csave\u65b9\u6cd5\u901a\u8fc7\u66f4\u65b0\u67e5\u8be2\u6765\u66f4\u65b0\u6570\u636e\u3002\u8bf7\u6ce8\u610f\uff0c\u8fd9\u53d1\u751f\u5728\u4e8b\u52a1\u63d0\u4ea4\u65f6\u3002\u5982\u679c\u5bf9\u8c61\u6ca1\u6709\u53d1\u751f\u53d8\u5316\uff0c\u5219\u4e0d\u4f1a\u89e6\u53d1\u4efb\u4f55\u67e5\u8be2\u3002\u5982\u679c\u591a\u6b21\u8fd0\u884c\u4e0a\u8ff0\u7a0b\u5e8f\uff0c\u4f1a\u53d1\u73b0\u4e0b\u6b21\u4e0d\u4f1a\u89e6\u53d1\u66f4\u65b0\u67e5\u8be2\uff0c\u56e0\u4e3a\u5217\u503c\u6ca1\u6709\u53d8\u5316\u3002<\/li>\n
  • Hibernate save\u65b9\u6cd5\u5c06\u5b9e\u4f53\u5bf9\u8c61\u52a0\u8f7d\u5230\u6301\u4e45\u5316\u4e0a\u4e0b\u6587\u4e2d\uff0c\u5982\u679c\u5728\u8c03\u7528save\u65b9\u6cd5\u4e4b\u540e\u4f46\u5728\u4e8b\u52a1\u63d0\u4ea4\u4e4b\u524d\u66f4\u65b0\u5bf9\u8c61\u5c5e\u6027\uff0c\u8fd9\u4e9b\u66f4\u6539\u5c06\u88ab\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/li>\n<\/ul>\n
    Hibernate\u6301\u4e45\u5316\uff08Persist\uff09<\/h3>\n
    Hibernate\u7684persist()\u65b9\u6cd5<\/h3>\n
    Hibernate\u7684persist()\u65b9\u6cd5\u4e0esave()\u65b9\u6cd5\uff08\u6709\u4e8b\u52a1\uff09\u76f8\u4f3c\uff0c\u5b83\u5c06\u5b9e\u4f53\u5bf9\u8c61\u6dfb\u52a0\u5230\u6301\u4e45\u5316\u4e0a\u4e0b\u6587\u4e2d\uff0c\u4ee5\u4fbf\u8ddf\u8e2a\u4efb\u4f55\u8fdb\u4e00\u6b65\u7684\u66f4\u6539\u3002\u5982\u679c\u5728\u4e8b\u52a1\u63d0\u4ea4\u6216\u4f1a\u8bdd\u5237\u65b0\u4e4b\u524d\u66f4\u6539\u4e86\u5bf9\u8c61\u7684\u5c5e\u6027\uff0c\u8fd9\u4e9b\u66f4\u6539\u4e5f\u4f1a\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\u3002\u7b2c\u4e8c\u4e2a\u533a\u522b\u662f\u6211\u4eec\u53ea\u80fd\u5728\u4e8b\u52a1\u8303\u56f4\u5185\u4f7f\u7528persist()\u65b9\u6cd5\uff0c\u56e0\u6b64\u5b83\u662f\u5b89\u5168\u7684\uff0c\u5e76\u4e14\u4f1a\u5904\u7406\u4efb\u4f55\u7ea7\u8054\u5bf9\u8c61\u3002\u6700\u540e\uff0cpersist()\u65b9\u6cd5\u4e0d\u8fd4\u56de\u4efb\u4f55\u7ed3\u679c\uff0c\u6240\u4ee5\u6211\u4eec\u9700\u8981\u4f7f\u7528\u6301\u4e45\u5316\u7684\u5bf9\u8c61\u6765\u83b7\u53d6\u751f\u6210\u7684\u6807\u8bc6\u7b26\u503c\u3002\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u6765\u4e86\u89e3Hibernate\u7684persist()\u65b9\u6cd5\u3002<\/p>\n
    package com.Olivia.hibernate.main;\r\n\r\nimport org.hibernate.Session;\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.Transaction;\r\n\r\nimport com.Olivia.hibernate.model.Employee;\r\nimport com.Olivia.hibernate.util.HibernateUtil;\r\n\r\npublic class HibernatePersistExample {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\r\n\t\t\/\/ \u51c6\u5907\u5de5\u4f5c\r\n\t\tSessionFactory sessionFactory = HibernateUtil.getSessionFactory();\t\r\n\t\t\r\n\t\t\/\/ persist\u793a\u4f8b - \u5e26\u4e8b\u52a1\r\n\t\tSession session2 = sessionFactory.openSession();\r\n\t\tTransaction tx2 = session2.beginTransaction();\r\n\t\tEmployee emp2 = HibernateSaveExample.getTestEmployee();\r\n\t\tsession2.persist(emp2);\r\n\t\tSystem.out.println(\"Persist\u65b9\u6cd5\u5df2\u8c03\u7528\");\r\n\t\temp2.setName(\"Kumar\"); \/\/ \u4e5f\u4f1a\u5728\u6570\u636e\u5e93\u4e2d\u66f4\u65b0\r\n\t\tSystem.out.println(\"\u5458\u5de5\u59d3\u540d\u5df2\u66f4\u65b0\");\r\n\t\tSystem.out.println(\"8. \u4f7f\u7528\u4e8b\u52a1\u8c03\u7528persist\u65b9\u6cd5\uff0cid=\"+emp2.getId()+\", address id=\"+emp2.getAddress().getId());\r\n\t\ttx2.commit();\r\n\t\tSystem.out.println(\"*****\");\r\n\t\t\r\n\t\t\/\/ \u5173\u95ed\u8d44\u6e90\r\n\t\tsessionFactory.close();\r\n\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
    \u4ee5\u4e0a\u4ee3\u7801\u751f\u6210\u7684\u8f93\u51fa\u662f\uff1a<\/p>\n
    Hibernate: insert into EMPLOYEE (emp_name, emp_salary) values (?, ?)\r\n8. Employee persist called with transaction, id=158, address id=158\r\nHibernate: insert into ADDRESS (address_line1, city, zipcode, emp_id) values (?, ?, ?, ?)\r\nHibernate: update EMPLOYEE set emp_name=?, emp_salary=? where emp_id=?\r\n*****\r\n<\/code><\/pre>\n
    \u8bf7\u6ce8\u610f\uff0c\u9996\u5148\u63d2\u5165\u4e86\u7b2c\u4e00\u4e2a\u5458\u5de5\u5bf9\u8c61\uff0c\u7136\u540e\u5728\u4e8b\u52a1\u63d0\u4ea4\u65f6\u6267\u884c\u66f4\u65b0\u67e5\u8be2\u4ee5\u66f4\u65b0\u59d3\u540d\u503c\u3002\u540c\u65f6\uff0c\u5173\u8054\u7684\u5730\u5740\u5bf9\u8c61\u4e5f\u88ab\u4fdd\u5b58\u5230\u6570\u636e\u5e93\u4e2d\u3002<\/p>\n
    Hibernate\u7684saveOrUpdate\u65b9\u6cd5<\/h3>\n
    Hibernate\u7684saveOrUpdate\u65b9\u6cd5\u6839\u636e\u63d0\u4f9b\u7684\u6570\u636e\uff0c\u5c06\u7ed3\u679c\u4fdd\u5b58\u4e3a\u63d2\u5165\u6216\u66f4\u65b0\u67e5\u8be2\u3002\u5982\u679c\u6570\u636e\u5728\u6570\u636e\u5e93\u4e2d\u5df2\u5b58\u5728\uff0c\u5219\u6267\u884c\u66f4\u65b0\u67e5\u8be2\u3002\u6211\u4eec\u4e5f\u53ef\u4ee5\u5728\u6ca1\u6709\u4e8b\u52a1\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528saveOrUpdate()\uff0c\u4f46\u662f\u5982\u679c\u4f1a\u8bdd\u672a\u5237\u65b0\uff0c\u5219\u4ecd\u7136\u4f1a\u9047\u5230\u672a\u4fdd\u5b58\u6620\u5c04\u5bf9\u8c61\u7684\u95ee\u9898\u3002Hibernate\u7684saveOrUpdate\u65b9\u6cd5\u5c06\u5b9e\u4f53\u5bf9\u8c61\u6dfb\u52a0\u5230\u6301\u4e45\u5316\u4e0a\u4e0b\u6587\u4e2d\u5e76\u8ddf\u8e2a\u4efb\u4f55\u8fdb\u4e00\u6b65\u7684\u66f4\u6539\u3002\u4efb\u4f55\u8fdb\u4e00\u6b65\u7684\u66f4\u6539\u5c06\u5728\u63d0\u4ea4\u4e8b\u52a1\u65f6\u4fdd\u5b58\uff0c\u7c7b\u4f3c\u4e8epersist\u65b9\u6cd5\u3002<\/p>\n
    package com.Olivia.hibernate.main;\r\n\r\nimport org.hibernate.Session;\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.Transaction;\r\n\r\nimport com.Olivia.hibernate.model.Employee;\r\nimport com.Olivia.hibernate.util.HibernateUtil;\r\n\r\npublic class HibernateSaveOrUpdateExample {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\t\r\n\t\t\/\/ \u51c6\u5907\u5de5\u4f5c\r\n\t\tSessionFactory sessionFactory = HibernateUtil.getSessionFactory();\r\n\t\t\r\n\t\t\/\/ saveOrUpdate\u793a\u4f8b - \u4e0d\u5e26\u4e8b\u52a1\r\n\t\tSession session5 = sessionFactory.openSession();\r\n\t\tEmployee emp5 = HibernateSaveExample.getTestEmployee();\r\n\t\tsession5.saveOrUpdate(emp5);\r\n\t\tSystem.out.println(\"*****\");\r\n\t\t\r\n\t\t\/\/ saveOrUpdate\u793a\u4f8b - \u5e26\u4e8b\u52a1\r\n\t\tSession session3 = sessionFactory.openSession();\r\n\t\tTransaction tx3 = session3.beginTransaction();\r\n\t\tEmployee emp3 = HibernateSaveExample.getTestEmployee();\r\n\t\tsession3.saveOrUpdate(emp3);\r\n\t\temp3.setName(\"Kumar\"); \/\/ \u5c06\u4fdd\u5b58\u5230\u6570\u636e\u5e93\r\n\t\tSystem.out.println(\"9. \u63d0\u4ea4saveOrUpdate\u4e8b\u52a1\u4e4b\u524d\u3002Id=\"+emp3.getId());\r\n\t\ttx3.commit();\r\n\t\tSystem.out.println(\"10. \u63d0\u4ea4saveOrUpdate\u4e8b\u52a1\u4e4b\u540e\");\r\n\t\tSystem.out.println(\"*****\");\r\n\t\t\r\n\t\t\r\n\t\tTransaction tx4 = session3.beginTransaction();\r\n\t\temp3.setName(\"Updated Test Name\"); \/\/ \u59d3\u540d\u5df2\u66f4\u6539\r\n\t\temp3.getAddress().setCity(\"Updated City\");\r\n\t\tsession3.saveOrUpdate(emp3);\r\n\t\temp3.setName(\"Kumar\"); \/\/ \u518d\u6b21\u66f4\u6539\u4e3a\u4e4b\u524d\u7684\u503c\uff0c\u6240\u4ee5\u4e0d\u4f1a\u66f4\u65b0Employee\r\n\t\tSystem.out.println(\"11. \u63d0\u4ea4saveOrUpdate\u4e8b\u52a1\u4e4b\u524d\u3002Id=\"+emp3.getId());\r\n\t\ttx4.commit();\r\n\t\tSystem.out.println(\"12. \u63d0\u4ea4saveOrUpdate\u4e8b\u52a1\u4e4b\u540e\");\r\n\t\tSystem.out.println(\"*****\");\r\n\r\n\t\t\/\/ \u5173\u95ed\u8d44\u6e90\r\n\t\tsessionFactory.close();\r\n\r\n\t}\r\n}\r\n<\/code><\/pre>\n
    \u4e0a\u8ff0\u7a0b\u5e8f\u4ea7\u751f\u7684\u8f93\u51fa\u5982\u4e0b\uff1a<\/p>\n
    Hibernate: insert into EMPLOYEE (emp_name, emp_salary) values (?, ?)\r\n*****\r\nHibernate: insert into EMPLOYEE (emp_name, emp_salary) values (?, ?)\r\n9. Before committing saveOrUpdate transaction. Id=166\r\nHibernate: insert into ADDRESS (address_line1, city, zipcode, emp_id) values (?, ?, ?, ?)\r\nHibernate: update EMPLOYEE set emp_name=?, emp_salary=? where emp_id=?\r\n10. After committing saveOrUpdate transaction\r\n*****\r\n11. Before committing saveOrUpdate transaction. Id=166\r\nHibernate: update ADDRESS set address_line1=?, city=?, zipcode=? where emp_id=?\r\n12. After committing saveOrUpdate transaction\r\n*****\r\n<\/code><\/pre>\n
    \u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u6ca1\u6709\u4e8b\u52a1\uff0c\u53ea\u6709\u5458\u5de5\u4fe1\u606f\u4f1a\u88ab\u4fdd\u5b58\uff0c\u5730\u5740\u4fe1\u606f\u5c06\u4e22\u5931\u3002\u6709\u4e86\u4e8b\u52a1\uff0c\u5458\u5de5\u5bf9\u8c61\u7684\u53d8\u5316\u5c06\u88ab\u8ffd\u8e2a\uff0c\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5728\u6700\u540e\u4e00\u4e2a\u8c03\u7528\u4e2d\uff0c\u5373\u4f7f\u5728\u671f\u95f4\u503c\u53d1\u751f\u4e86\u66f4\u6539\uff0c\u5458\u5de5\u8868\u4e5f\u6ca1\u6709\u66f4\u65b0\uff0c\u6700\u7ec8\u503c\u4fdd\u6301\u4e0d\u53d8\u3002<\/p>\n
    Hibernate\u7684update\u65b9\u6cd5<\/h3>\n
    \u5e94\u8be5\u5728\u6211\u4eec\u53ea\u66f4\u65b0\u5b9e\u4f53\u4fe1\u606f\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528Hibernate update\u3002\u6267\u884c\u6b64\u64cd\u4f5c\u4f1a\u5c06\u5b9e\u4f53\u5bf9\u8c61\u6dfb\u52a0\u5230\u6301\u4e45\u5316\u4e0a\u4e0b\u6587\u4e2d\uff0c\u5e76\u5728\u4e8b\u52a1\u63d0\u4ea4\u65f6\u8ddf\u8e2a\u548c\u4fdd\u5b58\u8fdb\u4e00\u6b65\u7684\u66f4\u6539\u3002\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u6765\u68c0\u67e5\u8fd9\u79cd\u884c\u4e3a\u3002<\/p>\n
    package com.Olivia.hibernate.main;\r\n\r\nimport org.hibernate.Session;\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.Transaction;\r\n\r\nimport com.Olivia.hibernate.model.Employee;\r\nimport com.Olivia.hibernate.util.HibernateUtil;\r\n\r\npublic class HibernateUpdateExample {\r\n\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\t\/\/ Prep Work\r\n\t\tSessionFactory sessionFactory = HibernateUtil.getSessionFactory();\r\n\t\tSession session = sessionFactory.openSession();\r\n\t\tTransaction tx = session.beginTransaction();\r\n\t\tEmployee emp = (Employee) session.load(Employee.class, new Long(101));\r\n\t\tSystem.out.println(\"Employee object loaded. \" + emp);\r\n\t\ttx.commit();\r\n\r\n\t\t\/\/ update example\r\n\t\temp.setName(\"Updated name\");\r\n\t\temp.getAddress().setCity(\"Bangalore\");\r\n\t\tTransaction tx7 = session.beginTransaction();\r\n\t\tsession.update(emp);\r\n\t\temp.setName(\"Final updated name\");\r\n\t\tSystem.out.println(\"13. Before committing update transaction\");\r\n\t\ttx7.commit();\r\n\t\tSystem.out.println(\"14. After committing update transaction\");\r\n\r\n\t\t\/\/ Close resources\r\n\t\tsessionFactory.close();\r\n\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
    \u5f53\u6211\u4eec\u7b2c\u4e00\u6b21\u6267\u884c\u4e0a\u8ff0\u7a0b\u5e8f\u65f6\uff0c\u6211\u4eec\u4f1a\u5f97\u5230\u4ee5\u4e0b\u8f93\u51fa\u3002<\/p>\n
    Hibernate: select employee0_.emp_id as emp_id1_1_0_, employee0_.emp_name as emp_name2_1_0_, employee0_.emp_salary as emp_sala3_1_0_, address1_.emp_id as emp_id1_0_1_, address1_.address_line1 as address_2_0_1_, address1_.city as city3_0_1_, address1_.zipcode as zipcode4_0_1_ from EMPLOYEE employee0_ left outer join ADDRESS address1_ on employee0_.emp_id=address1_.emp_id where employee0_.emp_id=?\r\nEmployee object loaded. Id= 101, Name= Test Emp, Salary= 1000.0, {Address= AddressLine1= Test address1, City=Test City, Zipcode=12121}\r\n13. Before committing update transaction\r\nHibernate: update EMPLOYEE set emp_name=?, emp_salary=? where emp_id=?\r\nHibernate: update ADDRESS set address_line1=?, city=?, zipcode=? where emp_id=?\r\n14. After committing update transaction\r\n<\/code><\/pre>\n
    \u5728\u8fdb\u4e00\u6b65\u6267\u884c\u540e\uff0c\u6211\u4eec\u5f97\u5230\u4ee5\u4e0b\u7ed3\u679c\u3002<\/p>\n
    Hibernate: select employee0_.emp_id as emp_id1_1_0_, employee0_.emp_name as emp_name2_1_0_, employee0_.emp_salary as emp_sala3_1_0_, address1_.emp_id as emp_id1_0_1_, address1_.address_line1 as address_2_0_1_, address1_.city as city3_0_1_, address1_.zipcode as zipcode4_0_1_ from EMPLOYEE employee0_ left outer join ADDRESS address1_ on employee0_.emp_id=address1_.emp_id where employee0_.emp_id=?\r\nEmployee object loaded. Id= 101, Name= Final updated name, Salary= 1000.0, {Address= AddressLine1= Test address1, City=Bangalore, Zipcode=12121}\r\n13. Before committing update transaction\r\n14. After committing update transaction\r\n<\/code><\/pre>\n
    \u6ce8\u610f\u5230\u9996\u6b21\u6267\u884c\u540e\u6ca1\u6709\u89e6\u53d1\u66f4\u65b0\uff0c\u56e0\u4e3a\u503c\u6ca1\u6709\u53d1\u751f\u53d8\u5316\u3002\u53e6\u5916\uff0c\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c\u5458\u5de5\u540d\u5b57\u662f\u6211\u4eec\u5728\u8c03\u7528update()\u65b9\u6cd5\u540e\u8bbe\u7f6e\u7684\u201c\u6700\u7ec8\u66f4\u65b0\u7684\u540d\u5b57\u201d\u3002\u8fd9\u8bc1\u660e\u4e86Hibernate\u4e00\u76f4\u5728\u8ffd\u8e2a\u5bf9\u8c61\u7684\u4efb\u4f55\u53d8\u5316\uff0c\u5e76\u5728\u63d0\u4ea4\u4e8b\u52a1\u65f6\u4fdd\u5b58\u4e86\u8fd9\u4e2a\u503c\u3002<\/p>\n
    \u5408\u5e76\u6301\u4e45\u5316<\/p>\n
    \u901a\u8fc7\u56de\u5408\u5e76\u5e76(merge)\u53ef\u4ee5\u7528\u6765\u66f4\u65b0\u73b0\u6709\u7684\u503c\uff0c\u4e0d\u8fc7\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u4ece\u4f20\u9012\u7684\u5b9e\u4f53\u5bf9\u8c61\u521b\u5efa\u4e00\u4e2a\u526f\u672c\u5e76\u8fd4\u56de\u5b83\u3002\u8fd4\u56de\u7684\u5bf9\u8c61\u662f\u6301\u4e45\u4e0a\u4e0b\u6587\u7684\u4e00\u90e8\u5206\uff0c\u5e76\u8ddf\u8e2a\u4efb\u4f55\u66f4\u6539\uff0c\u800c\u4f20\u9012\u7684\u5bf9\u8c61\u4e0d\u88ab\u8ddf\u8e2a\u3002\u8fd9\u662fmerge()\u65b9\u6cd5\u4e0e\u5176\u4ed6\u6240\u6709\u65b9\u6cd5\u7684\u4e3b\u8981\u533a\u522b\u3002\u8ba9\u6211\u4eec\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u6765\u4e86\u89e3\u8fd9\u4e00\u70b9\u3002<\/p>\n
    package com.Olivia.hibernate.main;\r\n\r\nimport org.hibernate.Session;\r\nimport org.hibernate.SessionFactory;\r\nimport org.hibernate.Transaction;\r\n\r\nimport com.Olivia.hibernate.model.Employee;\r\nimport com.Olivia.hibernate.util.HibernateUtil;\r\n\r\npublic class HibernateMergeExample {\r\n\r\n\tpublic static void main(String[] args) {\r\n\r\n\t\t\/\/ \u51c6\u5907\u5de5\u4f5c\r\n\t\tSessionFactory sessionFactory = HibernateUtil.getSessionFactory();\r\n\t\tSession session = sessionFactory.openSession();\r\n\t\tTransaction tx = session.beginTransaction();\r\n\t\tEmployee emp = (Employee) session.load(Employee.class, new Long(101));\r\n\t\tSystem.out.println(\"\u5458\u5de5\u5bf9\u8c61\u5df2\u52a0\u8f7d\u3002 \" + emp);\r\n\t\ttx.commit();\r\n\r\n\t\t \/\/\u5408\u5e76\u793a\u4f8b - \u8868\u4e2d\u5df2\u5b58\u5728\u6570\u636e\r\n\t\t emp.setSalary(25000);\r\n\t\t Transaction tx8 = session.beginTransaction();\r\n\t\t Employee emp4 = (Employee) session.merge(emp);\r\n\t\t System.out.println(emp4 == emp); \/\/ \u8fd4\u56defalse\r\n\t\t emp.setName(\"\u6d4b\u8bd5\");\r\n\t\t emp4.setName(\"Kumar\");\r\n\t\t System.out.println(\"15. \u63d0\u4ea4\u5408\u5e76\u4e8b\u52a1\u4e4b\u524d\");\r\n\t\t tx8.commit();\r\n\t\t System.out.println(\"16. \u63d0\u4ea4\u5408\u5e76\u4e8b\u52a1\u4e4b\u540e\");\r\n\r\n\t\t\/\/ \u5173\u95ed\u8d44\u6e90\r\n\t\tsessionFactory.close();\r\n\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
    \u9996\u6b21\u6267\u884c\u7684\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n
    Hibernate: select employee0_.emp_id as emp_id1_1_0_, employee0_.emp_name as emp_name2_1_0_, employee0_.emp_salary as emp_sala3_1_0_, address1_.emp_id as emp_id1_0_1_, address1_.address_line1 as address_2_0_1_, address1_.city as city3_0_1_, address1_.zipcode as zipcode4_0_1_ from EMPLOYEE employee0_ left outer join ADDRESS address1_ on employee0_.emp_id=address1_.emp_id where employee0_.emp_id=?\r\n\u5458\u5de5\u5bf9\u8c61\u5df2\u52a0\u8f7d\u3002 Id= 101, \u59d3\u540d= \u6700\u7ec8\u66f4\u65b0\u59d3\u540d, \u85aa\u8d44= 1000.0, {\u5730\u5740= \u5730\u5740\u884c1= \u6d4b\u8bd5\u5730\u57401, \u57ce\u5e02=\u73ed\u52a0\u7f57\u5c14, \u90ae\u7f16=12121}\r\nfalse\r\n15. \u63d0\u4ea4\u5408\u5e76\u4e8b\u52a1\u4e4b\u524d\r\nHibernate: update EMPLOYEE set emp_name=?, emp_salary=? where emp_id=?\r\n16. \u63d0\u4ea4\u5408\u5e76\u4e8b\u52a1\u4e4b\u540e\r\n<\/code><\/pre>\n
    \u518d\u6b21\u6267\u884c\u7a0b\u5e8f\u4ea7\u751f\u7684\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n
    Hibernate: select employee0_.emp_id as emp_id1_1_0_, employee0_.emp_name as emp_name2_1_0_, employee0_.emp_salary as emp_sala3_1_0_, address1_.emp_id as emp_id1_0_1_, address1_.address_line1 as address_2_0_1_, address1_.city as city3_0_1_, address1_.zipcode as zipcode4_0_1_ from EMPLOYEE employee0_ left outer join ADDRESS address1_ on employee0_.emp_id=address1_.emp_id where employee0_.emp_id=?\r\n\u5458\u5de5\u5bf9\u8c61\u5df2\u52a0\u8f7d\u3002 Id= 101, \u59d3\u540d= Kumar, \u85aa\u8d44= 25000.0, {\u5730\u5740= \u5730\u5740\u884c1= \u6d4b\u8bd5\u5730\u57401, \u57ce\u5e02=\u73ed\u52a0\u7f57\u5c14, \u90ae\u7f16=12121}\r\nfalse\r\n15. \u63d0\u4ea4\u5408\u5e76\u4e8b\u52a1\u4e4b\u524d\r\n16. \u63d0\u4ea4\u5408\u5e76\u4e8b\u52a1\u4e4b\u540e\r\n<\/code><\/pre>\n
    \u8bf7\u6ce8\u610f\uff0cmerge()\u8fd4\u56de\u7684\u5b9e\u4f53\u5bf9\u8c61\u4e0e\u4f20\u5165\u7684\u5b9e\u4f53\u5bf9\u8c61\u4e0d\u540c\u3002\u53e6\u5916\uff0c\u5728\u518d\u6b21\u6267\u884c\u4e2d\uff0c\u59d3\u540d\u53d8\u4e3a”Kumar”\uff0c\u8fd9\u662f\u56e0\u4e3a\u8fd4\u56de\u7684\u5bf9\u8c61\u88ab\u6301\u4e45\u5316\u4e0a\u4e0b\u6587\u8ddf\u8e2a\u4efb\u4f55\u66f4\u6539\u3002\u4ee5\u4e0a\u5c31\u662f\u5173\u4e8eHibernate Session\u7684\u4fdd\u5b58\u548c\u66f4\u65b0\u65b9\u6cd5\u7684\u5168\u90e8\u5185\u5bb9\uff0c\u5e0c\u671b\u8fd9\u4e9b\u793a\u4f8b\u80fd\u591f\u5e2e\u52a9\u60a8\u89e3\u51b3\u76f8\u5173\u7591\u95ee\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u4eca\u5929\u6211\u4eec\u5c06\u7814\u7a76Hibernate Session\u8fd9\u4e2a\u63a5\u53e3\uff0c\u5b83\u5728Java\u5e94\u7528\u7a0b\u5e8f\u548cHibernate\u6846\u67b6\u4e4b\u95f4\u8d77\u5230 […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[981,761,1254,1325,1326],"class_list":["post-421","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-hibernate","tag-java","tag-orm","tag-1325","tag-1326"],"yoast_head":"\nHibernate\u4f1a\u8bdd\u64cd\u4f5c\u5b8c\u5168\u6307\u5357\uff1a\u5408\u5e76\u3001\u66f4\u65b0\u3001\u4fdd\u5b58\u4e0e\u6301\u4e45\u5316\u65b9\u6cd5\u5b9e\u4f8b\u89e3\u6790 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u6df1\u5165\u89e3\u6790Hibernate\u6846\u67b6\u4e2d\u7684\u4f1a\u8bdd\u64cd\u4f5c\u65b9\u6cd5\uff0c\u8be6\u7ec6\u8bb2\u89e3\u5408\u5e76(merge)\u3001\u66f4\u65b0(update)\u3001\u4fdd\u5b58(save)\u3001\u4fdd\u5b58\u6216\u66f4\u65b0(saveOrUpdate)\u548c\u6301\u4e45\u5316(persist)\u7684\u4f7f\u7528\u573a\u666f\u4e0e\u533a\u522b\uff0c\u9644\u5e26\u5b9e\u7528\u4ee3\u7801\u793a\u4f8b\uff0c\u52a9\u60a8\u638c\u63e1Hibernate\u6570\u636e\u6301\u4e45\u5316\u6838\u5fc3\u6280\u672f\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\/hibernate\u4f1a\u8bdd\u5408\u5e76\uff0c\u66f4\u65b0\uff0c\u4fdd\u5b58\uff0c\u4fdd\u5b58\u6216\u66f4\u65b0\uff0c\u6301\u4e45\u5316\u793a\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hibernate\u4f1a\u8bdd\u64cd\u4f5c\u5b8c\u5168\u6307\u5357\uff1a\u5408\u5e76\u3001\u66f4\u65b0\u3001\u4fdd\u5b58\u4e0e\u6301\u4e45\u5316\u65b9\u6cd5\u5b9e\u4f8b\u89e3\u6790\" \/>\n<meta property=\"og:description\" content=\"\u6df1\u5165\u89e3\u6790Hibernate\u6846\u67b6\u4e2d\u7684\u4f1a\u8bdd\u64cd\u4f5c\u65b9\u6cd5\uff0c\u8be6\u7ec6\u8bb2\u89e3\u5408\u5e76(merge)\u3001\u66f4\u65b0(update)\u3001\u4fdd\u5b58(save)\u3001\u4fdd\u5b58\u6216\u66f4\u65b0(saveOrUpdate)\u548c\u6301\u4e45\u5316(persist)\u7684\u4f7f\u7528\u573a\u666f\u4e0e\u533a\u522b\uff0c\u9644\u5e26\u5b9e\u7528\u4ee3\u7801\u793a\u4f8b\uff0c\u52a9\u60a8\u638c\u63e1Hibernate\u6570\u636e\u6301\u4e45\u5316\u6838\u5fc3\u6280\u672f\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/hibernate\u4f1a\u8bdd\u5408\u5e76\uff0c\u66f4\u65b0\uff0c\u4fdd\u5b58\uff0c\u4fdd\u5b58\u6216\u66f4\u65b0\uff0c\u6301\u4e45\u5316\u793a\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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