{"id":205235,"date":"2025-05-29T16:24:56","date_gmt":"2025-05-29T08:24:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205235\/"},"modified":"2025-05-29T16:24:56","modified_gmt":"2025-05-29T08:24:56","slug":"%e4%bd%bf%e7%94%a8-sqlalchemy-%e6%9f%a5%e8%af%a2%e6%95%b0%e6%8d%ae%e5%ba%93%e6%97%b6%ef%bc%8c%e6%98%af%e5%90%a6%e5%bf%85%e9%a1%bb%e6%8c%87%e5%ae%9a%e5%ad%97%e6%ae%b5%e5%90%8d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205235\/","title":{"rendered":"\u4f7f\u7528 Sqlalchemy \u67e5\u8be2\u6570\u636e\u5e93\u65f6\uff0c\u662f\u5426\u5fc5\u987b\u6307\u5b9a\u5b57\u6bb5\u540d\uff1f"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4f7f\u7528 Sqlalchemy \u67e5\u8be2\u6570\u636e\u5e93\u65f6\uff0c\u662f\u5426\u5fc5\u987b\u6307\u5b9a\u5b57\u6bb5\u540d\uff1f<\/h1>\n<p>\u5728\u6587\u7ae0\u5b9e\u6218\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u8fd9\u6837\u90a3\u6837\u7684\u95ee\u9898\uff0c\u7136\u540e\u8981\u5361\u597d\u534a\u5929\uff0c\u7b49\u95ee\u9898\u89e3\u51b3\u4e86\u624d\u53d1\u73b0\u539f\u6765\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u662f\u6ca1\u6709\u638c\u63e1\u597d\u3002\u4eca\u5929\u5c31\u6574\u7406\u5206\u4eab\u300a\u4f7f\u7528 Sqlalchemy \u67e5\u8be2\u6570\u636e\u5e93\u65f6\uff0c\u662f\u5426\u5fc5\u987b\u6307\u5b9a\u5b57\u6bb5\u540d\uff1f\u300b\uff0c\u804a\u804a\uff0c\u5e0c\u671b\u53ef\u4ee5\u5e2e\u52a9\u5230\u6b63\u5728\u52aa\u529b\u8d5a\u94b1\u7684\u4f60\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241126\/17326267516745c93f4dbf6.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>sqlalchemy \u67e5\u8be2\u95ee\u9898<\/strong><\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<p>\u5728\u4f7f\u7528 sqlalchemy \u67e5\u8be2\u6570\u636e\u5e93\u65f6\uff0c\u662f\u5426\u5fc5\u987b\u6307\u5b9a\u5b57\u6bb5\u540d\uff1f<\/p>\n<p><strong>\u7b54\u6848\uff1a<\/strong><\/p>\n<p>\u5728 sqlalchemy \u4e2d\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u9700\u8981\u6307\u5b9a\u5b57\u6bb5\u540d\u3002\u65e9\u671f\u7248\u672c\u4e2d\uff0c\u60a8\u53ef\u4ee5\u50cf php \u90a3\u6837\u76f4\u63a5\u7f16\u5199 sql\uff0c\u4f46\u662f\u65b0\u7248\u672c\u4e2d\u5df2\u5f03\u7528\u8fd9\u79cd\u65b9\u6cd5\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u65b0\u7248 sqlalchemy \u7684\u67e5\u8be2\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n<pre>from sqlalchemy import text, create_engine\n\nengine = create_engine(\"mysql+pymysql:\/\/\u8d26\u53f7:\u5bc6\u7801@\u5730\u5740\/\u5e93\")\n\nwith engine.connect() as connection:\n    result = connection.execute(text(\"select username from users\"))\n    for row in result:\n        print(\"username:\", row.username)<\/pre>\n<p>\u53c2\u8003\u6587\u6863\uff1a<\/p>\n<ul>\n<li>[sqlalchemy \u5b98\u65b9\u6587\u6863](https:\/\/docs.sqlalchemy.org\/en\/20\/core\/connections.html)<\/li>\n<\/ul>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u4f7f\u7528 Sqlalchemy \u67e5\u8be2\u6570\u636e\u5e93\u65f6\uff0c\u662f\u5426\u5fc5\u987b\u6307\u5b9a\u5b57\u6bb5\u540d\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528 Sqlalchemy \u67e5\u8be2&#46;&#46;&#46;<\/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-205235","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205235","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=205235"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205235\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205235"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205235"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205235"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}