{"id":7739,"date":"2024-11-14T15:34:55","date_gmt":"2024-11-14T07:34:55","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7739\/"},"modified":"2024-11-14T15:34:55","modified_gmt":"2024-11-14T07:34:55","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-sqlalchemy-%e4%b8%ad%e6%8c%87%e5%ae%9a%e6%9f%a5%e8%af%a2%e5%ad%97%e6%ae%b5%e5%90%8d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/7739\/","title":{"rendered":"\u5982\u4f55\u5728 SQLAlchemy \u4e2d\u6307\u5b9a\u67e5\u8be2\u5b57\u6bb5\u540d\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173121198310614.jpg\" class=\"aligncenter\" title=\"\u5982\u4f55\u5728 SQLAlchemy \u4e2d\u6307\u5b9a\u67e5\u8be2\u5b57\u6bb5\u540d\uff1f\u63d2\u56fe\" alt=\"\u5982\u4f55\u5728 SQLAlchemy \u4e2d\u6307\u5b9a\u67e5\u8be2\u5b57\u6bb5\u540d\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>sqlalchemy \u67e5\u8be2\uff1a\u6307\u5b9a\u5b57\u6bb5\u540d\u95ee\u9898<\/strong><\/p>\n<p>\u5728 sqlalchemy \u4e2d\u6267\u884c\u67e5\u8be2\u65f6\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u6307\u5b9a\u5b57\u6bb5\u540d\u7684\u8981\u6c42\u3002\u8fd9\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\uff08\u5982 php\uff09\u4e0d\u540c\uff0c\u5728 php \u4e2d\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 sql \u67e5\u8be2\u3002<\/p>\n<p><strong>\u4fee\u6539\u540e\u7684\u4ee3\u7801\u7247\u6bb5\uff1a<\/strong><\/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>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u5728\u4ee5\u4e0a\u4ee3\u7801\u7247\u6bb5\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 text() \u51fd\u6570\u6765\u6784\u9020 sql \u67e5\u8be2\uff0c\u8be5\u51fd\u6570\u5141\u8bb8\u6211\u4eec\u6307\u5b9a\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\u540d\u3002\u5728 result \u5faa\u73af\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 row.username \u8bbf\u95ee\u7ed3\u679c\u884c\u7684\u6307\u5b9a\u5217\u3002<\/p>\n<p><strong>\u5b98\u65b9\u6587\u6863\uff1a<\/strong><\/p>\n<p>\u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 sqlalchemy \u5b98\u65b9\u6587\u6863\uff1ahttps:\/\/docs.sqlalchemy.org\/en\/20\/core\/connections.html\uff08\u4e0e\u95ee\u9898\u7b54\u6848\u63d0\u4f9b\u7684\u94fe\u63a5\u76f8\u540c\uff09\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728 SQLAlchemy \u4e2d\u6307\u5b9a\u67e5\u8be2\u5b57\u6bb5\u540d\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":"<p>sqlalchemy \u67e5\u8be2\uff1a\u6307\u5b9a\u5b57\u6bb5\u540d\u95ee\u9898 \u5728 sqlalchemy \u4e2d\u6267\u884c\u67e5\u8be2\u65f6\uff0c\u7528\u6237\u53ef\u80fd\u4f1a\u9047\u5230\u6307\u5b9a\u5b57\u6bb5\u540d\u7684\u8981\u6c42\u3002\u8fd9\u4e0e\u5176\u4ed6\u7f16\u7a0b\u8bed\u8a00\uff08\u5982 php\uff09\u4e0d\u540c\uff0c\u5728 php \u4e2d\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 sql \u67e5\u8be2\u3002 \u4fee\u6539\u540e\u7684\u4ee3\u7801\u7247\u6bb5\uff1a from sqlalchemy import text, create_engine engine = create_engine(&#8220;mysql+pymysql:\/\/\u8d26\u53f7:\u5bc6\u7801@\u5730\u5740\/\u5e93&#8221;) with engine.connect() as connection: result = connection.execute(text(&#8220;select username from users&#8221;)) for row in result: print(&#8220;username:&#8221;, row.username) \u767b\u5f55\u540e\u590d\u5236 \u5728\u4ee5\u4e0a\u4ee3\u7801\u7247\u6bb5\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 text() \u51fd\u6570\u6765\u6784\u9020 sql \u67e5\u8be2\uff0c\u8be5\u51fd\u6570\u5141\u8bb8\u6211\u4eec\u6307\u5b9a\u8981\u67e5\u8be2\u7684\u5b57\u6bb5\u540d\u3002\u5728 result \u5faa\u73af\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 row.username \u8bbf\u95ee\u7ed3\u679c\u884c\u7684\u6307\u5b9a\u5217\u3002 \u5b98\u65b9\u6587\u6863\uff1a \u66f4\u591a\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605 sqlalchemy \u5b98\u65b9\u6587\u6863\uff1ahttps:\/\/docs.sqlalchemy.org\/en\/20\/core\/connections.html\uff08\u4e0e\u95ee\u9898\u7b54\u6848\u63d0\u4f9b\u7684\u94fe\u63a5\u76f8\u540c\uff09\u3002 \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728 SQLAlchemy \u4e2d\u6307\u5b9a\u67e5\u8be2\u5b57\u6bb5\u540d\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-7739","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7739","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=7739"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7739\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7739"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7739"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}