{"id":6840,"date":"2024-11-14T10:54:17","date_gmt":"2024-11-14T02:54:17","guid":{"rendered":"https:\/\/fwq.ai\/blog\/6840\/"},"modified":"2024-11-14T10:54:17","modified_gmt":"2024-11-14T02:54:17","slug":"mybatis-plus-%e4%b9%90%e8%a7%82%e9%94%81%e4%b8%ba%e4%bd%95%e4%b8%8d%e8%b5%b7%e4%bd%9c%e7%94%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/6840\/","title":{"rendered":"MyBatis-Plus \u4e50\u89c2\u9501\u4e3a\u4f55\u4e0d\u8d77\u4f5c\u7528\uff1f"},"content":{"rendered":"

\"MyBatis-Plus<\/p>\n

mybatis-plus\u4e50\u89c2\u9501\u4e3a\u4f55\u4e0d\u8d77\u4f5c\u7528\uff1f<\/strong><\/p>\n

\u4f60\u5728\u4f7f\u7528mybatis-plus\u5b9e\u73b0\u4e50\u89c2\u9501\u65f6\u9047\u5230\u4e86\u95ee\u9898\uff0c\u60f3\u8981\u4e86\u89e3\u539f\u56e0\u3002\u4f60\u5df2\u7ecf\u6dfb\u52a0\u4e86 @version \u6ce8\u89e3\uff0c\u4f46\u4ecd\u7136\u65e0\u6548\u3002<\/p>\n

\u53ef\u80fd\u7684\u539f\u56e0\uff1a<\/strong><\/p>\n

\u6b63\u5982\u95ee\u9898\u7b54\u6848\u6240\u8ff0\uff0c\u6570\u636e\u5e93\u4e2d\u7684version\u5b57\u6bb5\u5fc5\u987b\u6709\u521d\u59cb\u503c\u624d\u80fd\u4f7f\u7528mybatis-plus\u7684\u4e50\u89c2\u9501\u3002<\/p>\n

\u64cd\u4f5c\u6b65\u9aa4\uff1a<\/strong><\/p>\n

    \n
  1. \u786e\u4fdd\u6570\u636e\u5e93\u4e2dversion\u5b57\u6bb5\u5df2\u521d\u59cb\u5316\u4e3a\u975e\u7a7a\u503c\u3002<\/li>\n
  2. \u68c0\u67e5\u4f60\u7684\u5b9e\u4f53\u7c7b\u662f\u5426\u6b63\u786e\u4f7f\u7528\u4e86 @version \u6ce8\u89e3\u3002<\/li>\n
  3. \u9a8c\u8bc1\u4f60\u5df2\u6b63\u786e\u6ce8\u518c\u4e86mybatis-plus\u63d2\u4ef6\uff0c\u5982 optimisticlockerinterceptor\u3002<\/li>\n<\/ol>\n

    \u793a\u4f8b\uff1a<\/strong><\/p>\n

    \u4e50\u89c2\u9501\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5c06\u8bb0\u5f55\u7684\u5f53\u524dversion\u4e0e\u6570\u636e\u5e93\u4e2d\u5b58\u50a8\u7684version\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u4e24\u8005\u76f8\u7b49\uff0c\u5219\u66f4\u65b0\u6210\u529f\uff1b\u5426\u5219\uff0c\u629b\u51fa\u5f02\u5e38\u3002<\/p>\n

    \u4ee5\u4e0b\u662fmybatis-plus\u751f\u6210\u7684\u793a\u4f8bsql\u8bed\u53e5\uff1a<\/p>\n

    UPDATE article SET title='1', version=1 WHERE id='1' AND version=0;<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u5982\u679cversion\u5b57\u6bb5\u4e3anull\uff0c\u5219\u65e0\u6cd5\u6bd4\u8f83\u548c\u66f4\u65b0\uff0c\u5bfc\u81f4\u4e50\u89c2\u9501\u65e0\u6548\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662fMyBatis-Plus \u4e50\u89c2\u9501\u4e3a\u4f55\u4e0d\u8d77\u4f5c\u7528\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    mybatis-plus\u4e50\u89c2\u9501\u4e3a\u4f55\u4e0d\u8d77\u4f5c\u7528\uff1f \u4f60\u5728\u4f7f\u7528mybatis-plus\u5b9e\u73b0\u4e50\u89c2\u9501\u65f6\u9047\u5230\u4e86\u95ee\u9898\uff0c\u60f3\u8981\u4e86\u89e3\u539f\u56e0\u3002\u4f60\u5df2\u7ecf\u6dfb\u52a0\u4e86 @version \u6ce8\u89e3\uff0c\u4f46\u4ecd\u7136\u65e0\u6548\u3002 \u53ef\u80fd\u7684\u539f\u56e0\uff1a \u6b63\u5982\u95ee\u9898\u7b54\u6848\u6240\u8ff0\uff0c\u6570\u636e\u5e93\u4e2d\u7684version\u5b57\u6bb5\u5fc5\u987b\u6709\u521d\u59cb\u503c\u624d\u80fd\u4f7f\u7528mybatis-plus\u7684\u4e50\u89c2\u9501\u3002 \u64cd\u4f5c\u6b65\u9aa4\uff1a \u786e\u4fdd\u6570\u636e\u5e93\u4e2dversion\u5b57\u6bb5\u5df2\u521d\u59cb\u5316\u4e3a\u975e\u7a7a\u503c\u3002 \u68c0\u67e5\u4f60\u7684\u5b9e\u4f53\u7c7b\u662f\u5426\u6b63\u786e\u4f7f\u7528\u4e86 @version \u6ce8\u89e3\u3002 \u9a8c\u8bc1\u4f60\u5df2\u6b63\u786e\u6ce8\u518c\u4e86mybatis-plus\u63d2\u4ef6\uff0c\u5982 optimisticlockerinterceptor\u3002 \u793a\u4f8b\uff1a \u4e50\u89c2\u9501\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5c06\u8bb0\u5f55\u7684\u5f53\u524dversion\u4e0e\u6570\u636e\u5e93\u4e2d\u5b58\u50a8\u7684version\u8fdb\u884c\u6bd4\u8f83\u3002\u5982\u679c\u4e24\u8005\u76f8\u7b49\uff0c\u5219\u66f4\u65b0\u6210\u529f\uff1b\u5426\u5219\uff0c\u629b\u51fa\u5f02\u5e38\u3002 \u4ee5\u4e0b\u662fmybatis-plus\u751f\u6210\u7684\u793a\u4f8bsql\u8bed\u53e5\uff1a UPDATE article SET title=’1′, version=1 WHERE id=’1′ AND version=0; \u767b\u5f55\u540e\u590d\u5236 \u5982\u679cversion\u5b57\u6bb5\u4e3anull\uff0c\u5219\u65e0\u6cd5\u6bd4\u8f83\u548c\u66f4\u65b0\uff0c\u5bfc\u81f4\u4e50\u89c2\u9501\u65e0\u6548\u3002 \u4ee5\u4e0a\u5c31\u662fMyBatis-Plus \u4e50\u89c2\u9501\u4e3a\u4f55\u4e0d\u8d77\u4f5c\u7528\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\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-6840","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6840","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=6840"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/6840\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=6840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=6840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=6840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}