{"id":41637,"date":"2023-10-16T20:12:39","date_gmt":"2023-04-05T00:48:12","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8python%e8%bf%9e%e6%8e%a5%e5%88%b0postgresql%e3%80%82\/"},"modified":"2024-01-15T11:04:59","modified_gmt":"2024-01-15T03:04:59","slug":"%e4%bd%bf%e7%94%a8python%e8%bf%9e%e6%8e%a5%e5%88%b0postgresql%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8python%e8%bf%9e%e6%8e%a5%e5%88%b0postgresql%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Python\u8fde\u63a5\u5230PostgreSQL"},"content":{"rendered":"<h1>\u5b89\u88c5<\/h1>\n<pre class=\"post-pre\"><code>pip install psycopg2\r\npip install psycopg2-binary\r\n<\/code><\/pre>\n<h1>\u8fdb\u884c\u6d4b\u8bd5\u5957\u4ef6<\/h1>\n<pre class=\"post-pre\"><code>python -c \"from psycopg2 import tests; tests.unittest.main(defaultTest='tests.test_suite')\" --verbose\r\n<\/code><\/pre>\n<p>\u901a\u8fc7\u63d0\u524d\u51c6\u5907\u6d4b\u8bd5\u7528\u7684\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\uff1a<br \/>\ncreatedb -E utf8 psycopg2_test<\/p>\n<h1>\u57fa\u672c\u6a21\u5757\u7684\u4f7f\u7528\u65b9\u6cd5<\/h1>\n<p>\u4e8b\u5148\u521b\u5efa\u6d4b\u8bd5\u7528\u7684\u6570\u636e\u5e93<\/p>\n<p>\u521b\u5efa\u6570\u636e\u5e93 -E utf8 test<br \/>\n\u542f\u52a8Python\u7684\u4ea4\u4e92\u6a21\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">psycopg2<\/span>\r\n<span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"n\">psycopg2<\/span><span class=\"p\">.<\/span><span class=\"n\">connect<\/span><span class=\"p\">(<\/span><span class=\"s\">\"dbname=test user=postgres\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">cur<\/span> <span class=\"o\">=<\/span> <span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">cursor<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">cur<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"s\">\"CREATE TABLE test (id serial PRIMARY KEY, num integer, data varchar);\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">cur<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"s\">\"INSERT INTO test (num, data) VALUES (%s, %s)\"<\/span><span class=\"p\">,(<\/span><span class=\"mi\">100<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"abc'def\"<\/span><span class=\"p\">))<\/span>\r\n<span class=\"n\">cur<\/span><span class=\"p\">.<\/span><span class=\"n\">execute<\/span><span class=\"p\">(<\/span><span class=\"s\">\"SELECT * FROM test;\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"n\">cur<\/span><span class=\"p\">.<\/span><span class=\"n\">fetchone<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">commit<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">cur<\/span><span class=\"p\">.<\/span><span class=\"n\">close<\/span><span class=\"p\">()<\/span>\r\n<span class=\"n\">conn<\/span><span class=\"p\">.<\/span><span class=\"n\">close<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5df2\u7ecf\u786e\u8ba4\u4e86\u8868\u7684\u521b\u5efa\uff08CREATE\uff09\u3001\u6570\u636e\u7684\u63d2\u5165\uff08INSERT\uff09\u4ee5\u53ca\u6570\u636e\u7684\u67e5\u8be2\uff08SELECT\uff09\u3002<\/p>\n<h1>\u8bf7\u53c2\u8003<\/h1>\n<p>Psycopg\u662f\u7528\u4e8ePython\u7684PostgreSQL\u6570\u636e\u5e93\u9002\u914d\u5668\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b89\u88c5 pip install psycopg2 pip install psycopg2-binary \u8fdb\u884c\u6d4b [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-41637","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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