{"id":35089,"date":"2024-11-26T15:20:55","date_gmt":"2024-11-26T07:20:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35089\/"},"modified":"2024-11-26T15:20:55","modified_gmt":"2024-11-26T07:20:55","slug":"springboot-jpa-%e6%9f%a5%e8%af%a2%e6%95%b0%e6%8d%ae%e6%97%b6%ef%bc%8c%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad%e5%af%b9%e8%b1%a1%e6%98%af%e5%90%a6%e4%b8%ba%e7%a9%ba%e4%b8%94%e9%81%bf%e5%85%8dobjec","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35089\/","title":{"rendered":"SpringBoot JPA \u67e5\u8be2\u6570\u636e\u65f6\uff0c\u5982\u4f55\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a\u4e14\u907f\u514d\u201cObject references an unsaved transient instance\u201d\u9519\u8bef\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173060625963501.jpg\" class=\"aligncenter\" title=\"SpringBoot JPA \u67e5\u8be2\u6570\u636e\u65f6\uff0c\u5982\u4f55\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a\u4e14\u907f\u514d\u201cObject references an unsaved transient instance\u201d\u9519\u8bef\uff1f\u63d2\u56fe\" alt=\"SpringBoot JPA \u67e5\u8be2\u6570\u636e\u65f6\uff0c\u5982\u4f55\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a\u4e14\u907f\u514d\u201cObject references an unsaved transient instance\u201d\u9519\u8bef\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>springboot\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a<\/strong><\/p>\n<p>\u5728\u4f7f\u7528jpa\u67e5\u8be2\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u9047\u5230\u5982\u4e0b\u63d0\u793a\uff1a<\/p>\n<pre>Object references an unsaved transient instance - save the transient instance before flushing or set flush mode to COMMIT<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u63d0\u793a\u7684\u5173\u952e\u662f\u201cobject references an unsaved transient instance\u201d\uff0c\u8868\u793a\u5bf9\u8c61\u5f15\u7528\u4e86\u4e00\u4e2a\u672a\u4fdd\u5b58\u7684\u77ac\u6001\u5b9e\u4f8b\u3002<\/p>\n<p><strong>\u5982\u4f55\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a<\/strong><\/p>\n<p>\u4e0a\u8ff0\u63d0\u793a\u8868\u660e\u7cfb\u7edf\u8ba4\u4e3a\u8be5\u5bf9\u8c61\u4e0d\u53ef\u80fd\u4e3a\u7a7a\uff0c\u5374\u4f7f\u7528\u4e86\u7a7a\u5224\u65ad\u3002\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u7684\u539f\u56e0\u662f\uff0c\u5df2\u8c03\u7528\u4e86\u8be5\u5bf9\u8c61\u7684 system.out.print \u65b9\u6cd5\uff0c\u56e0\u6b64\u7cfb\u7edf\u5c06\u5176\u89c6\u4e3a\u975e\u7a7a\u5bf9\u8c61\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fSpringBoot JPA \u67e5\u8be2\u6570\u636e\u65f6\uff0c\u5982\u4f55\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a\u4e14\u907f\u514d\u201cObject references an unsaved transient instance\u201d\u9519\u8bef\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>springboot\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a \u5728\u4f7f\u7528jpa\u67e5\u8be2\u6570\u636e\u65f6\uff0c\u53ef\u80fd\u9047\u5230\u5982\u4e0b\u63d0\u793a\uff1a Object references an unsaved transient instance &#8211; save the transient instance before flushing or set flush mode to COMMIT \u767b\u5f55\u540e\u590d\u5236 \u63d0\u793a\u7684\u5173\u952e\u662f\u201cobject references an unsaved transient instance\u201d\uff0c\u8868\u793a\u5bf9\u8c61\u5f15\u7528\u4e86\u4e00\u4e2a\u672a\u4fdd\u5b58\u7684\u77ac\u6001\u5b9e\u4f8b\u3002 \u5982\u4f55\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a \u4e0a\u8ff0\u63d0\u793a\u8868\u660e\u7cfb\u7edf\u8ba4\u4e3a\u8be5\u5bf9\u8c61\u4e0d\u53ef\u80fd\u4e3a\u7a7a\uff0c\u5374\u4f7f\u7528\u4e86\u7a7a\u5224\u65ad\u3002\u51fa\u73b0\u8fd9\u79cd\u60c5\u51b5\u7684\u539f\u56e0\u662f\uff0c\u5df2\u8c03\u7528\u4e86\u8be5\u5bf9\u8c61\u7684 system.out.print \u65b9\u6cd5\uff0c\u56e0\u6b64\u7cfb\u7edf\u5c06\u5176\u89c6\u4e3a\u975e\u7a7a\u5bf9\u8c61\u3002 \u4ee5\u4e0a\u5c31\u662fSpringBoot JPA \u67e5\u8be2\u6570\u636e\u65f6\uff0c\u5982\u4f55\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a\u4e14\u907f\u514d\u201cObject references an unsaved transient instance\u201d\u9519\u8bef\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-35089","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35089","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=35089"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/35089\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=35089"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=35089"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=35089"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}