{"id":205041,"date":"2025-05-29T16:39:33","date_gmt":"2025-05-29T08:39:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205041\/"},"modified":"2025-05-29T16:39:33","modified_gmt":"2025-05-29T08:39:33","slug":"%e5%9c%a8-python-sqlalchemy-%e4%b8%ad%ef%bc%8c%e5%a6%82%e4%bd%95%e9%a2%84%e9%98%b2%e6%95%b0%e6%8d%ae%e6%8f%92%e5%85%a5%e5%a4%b1%e8%b4%a5%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205041\/","title":{"rendered":"\u5728 Python SQLAlchemy \u4e2d\uff0c\u5982\u4f55\u9884\u9632\u6570\u636e\u63d2\u5165\u5931\u8d25\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5728 Python SQLAlchemy \u4e2d\uff0c\u5982\u4f55\u9884\u9632\u6570\u636e\u63d2\u5165\u5931\u8d25\uff1f<\/h1>\n

\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

<\/p>\n

\u5982\u4f55\u5728 python sqlalchemy \u4e2d\u907f\u514d\u6570\u636e\u63d2\u5165\u5931\u8d25<\/strong><\/p>\n

\u5728\u4f7f\u7528 sqlalchemy \u64cd\u4f5c\u6570\u636e\u5e93\u65f6\uff0c\u60a8\u53ef\u80fd\u4f1a\u9047\u5230\u6570\u636e\u63d2\u5165\u5931\u8d25\u7684\u95ee\u9898\uff0c\u800c\u6ca1\u6709\u4efb\u4f55\u63d0\u793a\u3002\u672c\u6587\u5c06\u63a2\u8ba8\u5bfc\u81f4\u6b64\u95ee\u9898\u7684\u5e38\u89c1\u539f\u56e0\u5e76\u63d0\u4f9b\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\u793a\u4f8b\u4ee3\u7801\u4e2d\uff0c\u60a8\u521b\u5efa\u4e86\u4e00\u4e2a sessionmaker \u5bf9\u8c61\u5e76\u901a\u8fc7\u5b83\u521b\u5efa\u4e86\u4e00\u4e2a session\u3002\u7136\u540e\uff0c\u60a8\u5c1d\u8bd5\u6dfb\u52a0\u4e00\u4e2a sysuser \u5bf9\u8c61\u5230 session \u4e2d\uff0c\u4f46\u6ca1\u6709\u6210\u529f\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8e\u4ee5\u4e0b\u539f\u56e0\u9020\u6210\u7684\uff1a<\/p>\n

\u9700\u8981\u5728\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u4e2d\u6dfb\u52a0\u6570\u636e<\/strong><\/p>\n

\u4e0e\u4e8b\u52a1\u63a7\u5236\u76f8\u5173\u7684\u64cd\u4f5c\uff08\u4f8b\u5982\u6dfb\u52a0\u548c\u63d0\u4ea4\uff09\u5fc5\u987b\u5728\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u4e2d\u6267\u884c\uff0c\u4ee5\u786e\u4fdd\u5bf9\u6570\u636e\u5e93\u7684\u66f4\u6539\u5728\u5b8c\u6210\u65f6\u63d0\u4ea4\u6216\u56de\u6eda\u3002\u5728\u60a8\u7684\u793a\u4f8b\u4e2d\uff0c\u60a8\u9700\u8981\u4f7f\u7528 with \u8bed\u53e5\u5c06\u4f1a\u8bdd\u5305\u88f9\u5728\u4e0a\u4e0b\u6587\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

with Session() as session:\n    session.add(SysUser(account=\"cc\"))\n    session.commit()<\/pre>\n
\u8fd9\u5c06\u786e\u4fdd\u5728\u63d0\u4ea4\u6216\u56de\u6eda\u4f1a\u8bdd\u4e4b\u524d\u81ea\u52a8\u5b8c\u6210\u6dfb\u52a0\u64cd\u4f5c\u3002<\/p>\n
\u6210\u529f\u7684\u6807\u5fd7<\/strong><\/p>\n
\u8bf7\u6ce8\u610f\uff0c\u6b64\u793a\u4f8b\u4e2d\u7684 success \u6807\u5fd7\u5e76\u4e0d\u5bf9\u5e94\u4e8e\u662f\u5426\u6210\u529f\u6dfb\u52a0\u4e86\u5bf9\u8c61\u3002\u5b83\u8868\u793a\u662f\u5426\u5411\u4f1a\u8bdd\u6dfb\u52a0\u4e86\u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u662f\u5426\u5df2\u63d0\u4ea4\u5230\u6570\u636e\u5e93\u3002\u56e0\u6b64\uff0c\u60a8\u5e94\u8be5\u68c0\u67e5 session.add() \u8fd4\u56de\u7684\u5b9e\u9645 sysuser \u5bf9\u8c61\u662f\u5426\u4e3a\u7a7a\uff0c\u4ee5\u786e\u5b9a\u6dfb\u52a0\u662f\u5426\u6210\u529f\u3002<\/p>\n
\u6a21\u578b\u5c5e\u6027<\/strong><\/p>\n
\u8bf7\u786e\u4fdd\u60a8\u7684 sysuser \u6a21\u578b\u5b9a\u4e49\u4e86\u6240\u6709\u5fc5\u9700\u7684\u5c5e\u6027\uff0c\u4f8b\u5982 id \u548c account\u3002\u6ca1\u6709\u660e\u786e\u5b9a\u4e49\u8fd9\u4e9b\u5c5e\u6027\u4f1a\u4e25\u91cd\u963b\u788d sqlalchemy \u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n
\u6570\u636e\u5e93\u8fde\u63a5<\/strong><\/p>\n
\u9a8c\u8bc1\u60a8\u7684\u6570\u636e\u5e93\u8fde\u63a5\u662f\u5426\u6709\u6548\uff0c\u5e76\u786e\u4fdd\u5b83\u88ab\u914d\u7f6e\u4e3a\u4f7f\u7528\u6b63\u786e\u7684\u6570\u636e\u5e93\u548c\u8bbf\u95ee\u51ed\u636e\u3002<\/p>\n
\u8c03\u8bd5<\/strong><\/p>\n
\u5982\u679c\u60a8\u5728\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4\u540e\u4ecd\u7136\u9047\u5230\u95ee\u9898\uff0c\u8bf7\u8003\u8651\u542f\u7528 sqlalchemy \u7684\u8c03\u8bd5\u65e5\u5fd7\uff0c\u8fd9\u6709\u52a9\u4e8e\u8bca\u65ad\u4efb\u4f55\u6f5c\u5728\u9519\u8bef\u3002<\/p>\n
\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5728 Python SQLAlchemy \u4e2d\uff0c\u5982\u4f55\u9884\u9632\u6570\u636e\u63d2\u5165\u5931\u8d25\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728 Python SQLAlch...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205041","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205041","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205041"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205041\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205041"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205041"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205041"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}