{"id":26827,"date":"2024-11-24T16:05:54","date_gmt":"2024-11-24T08:05:54","guid":{"rendered":"https:\/\/fwq.ai\/blog\/26827\/"},"modified":"2024-11-24T16:05:54","modified_gmt":"2024-11-24T08:05:54","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%e5%ad%97%e6%ae%b5%e5%90%8d%e6%8c%87%e5%ae%9a%e6%9c%89%e4%bb%80%e4%b9%88%e7%89%b9%e6%ae%8a%e4%b9%8b-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/26827\/","title":{"rendered":"\u4f7f\u7528 Sqlalchemy \u67e5\u8be2\u6570\u636e\u5e93\u65f6\uff0c\u5b57\u6bb5\u540d\u6307\u5b9a\u6709\u4ec0\u4e48\u7279\u6b8a\u4e4b\u5904\uff1f"},"content":{"rendered":"

\"\u4f7f\u7528<\/p>\n

\u6570\u636e\u5e93\u63d2\u4ef6 sqlalchemy \u67e5\u8be2\u7684\u7279\u6b8a\u4e4b\u5904<\/strong><\/p>\n

\u5728 python \u4e2d\uff0c\u4f7f\u7528 sqlalchemy \u7b49\u6570\u636e\u5e93\u63d2\u4ef6\u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u9700\u8981\u7559\u610f\u5176\u7279\u6b8a\u4e4b\u5904\uff1a<\/p>\n

\u5b57\u6bb5\u540d\u6307\u5b9a<\/strong><\/p>\n

\u4e0e php \u7b49\u8bed\u8a00\u4e0d\u540c\uff0csqlalchemy \u67e5\u8be2\u9700\u8981\u663e\u5f0f\u6307\u5b9a\u5b57\u6bb5\u540d\u3002\u5728\u4e0a\u4f8b\u4e2d\uff0c\u9700\u8981\u4f7f\u7528 con.execute(“select * from china”) \u67e5\u8be2\u6240\u6709\u5b57\u6bb5\uff0c\u800c\u4e0d\u80fd\u50cf php \u90a3\u6837\u76f4\u63a5\u4f7f\u7528 sql\u3002<\/p>\n

\u65b0\u7248\u4ee3\u7801<\/strong><\/p>\n

\u4e0a\u90e8\u5206\u8001\u4ee3\u7801\u5df2\u8fc7\u65f6\uff0c\u65b0\u7248\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

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
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
\u5b98\u65b9\u6587\u6863\u53c2\u8003<\/strong><\/p>\n
\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\uff0c\u53ef\u53c2\u8003\u5b98\u65b9\u6587\u6863\uff1ahttps:\/\/docs.sqlalchemy.org\/en\/20\/core\/connections.html<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528 Sqlalchemy \u67e5\u8be2\u6570\u636e\u5e93\u65f6\uff0c\u5b57\u6bb5\u540d\u6307\u5b9a\u6709\u4ec0\u4e48\u7279\u6b8a\u4e4b\u5904\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":"
\u6570\u636e\u5e93\u63d2\u4ef6 sqlalchemy \u67e5\u8be2\u7684\u7279\u6b8a\u4e4b\u5904 \u5728 python \u4e2d\uff0c\u4f7f\u7528 sqlalchemy \u7b49\u6570\u636e\u5e93\u63d2\u4ef6\u8fdb\u884c\u67e5\u8be2\u65f6\uff0c\u9700\u8981\u7559\u610f\u5176\u7279\u6b8a\u4e4b\u5904\uff1a \u5b57\u6bb5\u540d\u6307\u5b9a \u4e0e php \u7b49\u8bed\u8a00\u4e0d\u540c\uff0csqlalchemy \u67e5\u8be2\u9700\u8981\u663e\u5f0f\u6307\u5b9a\u5b57\u6bb5\u540d\u3002\u5728\u4e0a\u4f8b\u4e2d\uff0c\u9700\u8981\u4f7f\u7528 con.execute(“select * from china”) \u67e5\u8be2\u6240\u6709\u5b57\u6bb5\uff0c\u800c\u4e0d\u80fd\u50cf php \u90a3\u6837\u76f4\u63a5\u4f7f\u7528 sql\u3002 \u65b0\u7248\u4ee3\u7801 \u4e0a\u90e8\u5206\u8001\u4ee3\u7801\u5df2\u8fc7\u65f6\uff0c\u65b0\u7248\u4ee3\u7801\u5982\u4e0b\uff1a from sqlalchemy import text, create_engine engine = create_engine(“mysql+pymysql:\/\/\u8d26\u53f7:\u5bc6\u7801@\u5730\u5740\/\u5e93”) with engine.connect() as connection: result = connection.execute(text(“select username from users”)) for row in result: print(“username:”, row.username) \u767b\u5f55\u540e\u590d\u5236 \u5b98\u65b9\u6587\u6863\u53c2\u8003 \u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\uff0c\u53ef\u53c2\u8003\u5b98\u65b9\u6587\u6863\uff1ahttps:\/\/docs.sqlalchemy.org\/en\/20\/core\/connections.html \u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528 Sqlalchemy \u67e5\u8be2\u6570\u636e\u5e93\u65f6\uff0c\u5b57\u6bb5\u540d\u6307\u5b9a\u6709\u4ec0\u4e48\u7279\u6b8a\u4e4b\u5904\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-26827","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26827","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=26827"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/26827\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=26827"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=26827"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=26827"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}