{"id":193399,"date":"2024-11-12T21:51:20","date_gmt":"2024-11-12T13:51:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193399\/"},"modified":"2024-11-12T21:51:21","modified_gmt":"2024-11-12T13:51:21","slug":"%e5%ad%b8%e6%9c%83%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e4%bf%a1%e6%81%afdsn%e4%b8%b2%ef%bc%8c%e8%bc%95%e9%ac%86%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-%e6%95%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193399\/","title":{"rendered":"\u5b78\u6703\u4f7f\u7528\u6578\u64da\u5eab\u9023\u63a5\u4fe1\u606fdsn\u4e32\uff0c\u8f15\u9b06\u9023\u63a5\u6578\u64da\u5eab (\u6578\u64da\u5eab\u9023\u63a5\u4fe1\u606fdsn\u4e32)"},"content":{"rendered":"<h1 id=\"%e5%ad%b8%e6%9c%83%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5%e4%bf%a1%e6%81%afdsn%e4%b8%b2%ef%bc%8c%e8%bc%95%e9%ac%86%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-xbFGmOdOBG\">\u5b78\u6703\u4f7f\u7528\u6578\u64da\u5eab\u9023\u63a5\u4fe1\u606fDSN\u4e32\uff0c\u8f15\u9b06\u9023\u63a5\u6578\u64da\u5eab<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u4f7f\u7528\u5df2\u7d93\u6210\u70ba\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u7db2\u7ad9\u3001\u79fb\u52d5\u61c9\u7528\u9084\u662f\u4f01\u696d\u7cfb\u7d71\uff0c\u6578\u64da\u5eab\u90fd\u626e\u6f14\u8457\u5b58\u5132\u548c\u7ba1\u7406\u6578\u64da\u7684\u91cd\u8981\u89d2\u8272\u3002\u800c\u5728\u9023\u63a5\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0cDSN\uff08Data Source Name\uff09\u4e32\u7684\u4f7f\u7528\u53ef\u4ee5\u5927\u5927\u7c21\u5316\u9023\u63a5\u7684\u6b65\u9a5f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eDSN\u4e32\u7684\u6982\u5ff5\u3001\u7d50\u69cb\u53ca\u5176\u5728\u6578\u64da\u5eab\u9023\u63a5\u4e2d\u7684\u61c9\u7528\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afdsn%e4%b8%b2%ef%bc%9f-xbFGmOdOBG\">\u4ec0\u9ebc\u662fDSN\u4e32\uff1f<\/h2>\n<p>DSN\u4e32\u662f\u4e00\u7a2e\u7528\u65bc\u63cf\u8ff0\u6578\u64da\u6e90\u7684\u5b57\u7b26\u4e32\uff0c\u901a\u5e38\u5305\u542b\u4e86\u9023\u63a5\u6578\u64da\u5eab\u6240\u9700\u7684\u6240\u6709\u4fe1\u606f\u3002\u9019\u4e9b\u4fe1\u606f\u5305\u62ec\u6578\u64da\u5eab\u7684\u985e\u578b\u3001\u4f4d\u7f6e\u3001\u7528\u6236\u540d\u3001\u5bc6\u78bc\u7b49\u3002DSN\u4e32\u7684\u4e3b\u8981\u76ee\u7684\u662f\u8b93\u958b\u767c\u8005\u80fd\u5920\u65b9\u4fbf\u5730\u9023\u63a5\u5230\u4e0d\u540c\u7684\u6578\u64da\u5eab\uff0c\u800c\u4e0d\u9700\u8981\u5728\u6bcf\u6b21\u9023\u63a5\u6642\u90fd\u91cd\u8907\u8f38\u5165\u9019\u4e9b\u4fe1\u606f\u3002<\/p>\n<h2 id=\"dsn%e4%b8%b2%e7%9a%84%e7%b5%90%e6%a7%8b-xbFGmOdOBG\">DSN\u4e32\u7684\u7d50\u69cb<\/h2>\n<p>DSN\u4e32\u7684\u7d50\u69cb\u901a\u5e38\u9075\u5faa\u4ee5\u4e0b\u683c\u5f0f\uff1a<\/p>\n<pre><code>DSN=\u6578\u64da\u6e90\u540d\u7a31;UID=\u7528\u6236\u540d;PWD=\u5bc6\u78bc;DATABASE=\u6578\u64da\u5eab\u540d\u7a31;HOST=\u4e3b\u6a5f\u5730\u5740;PORT=\u7aef\u53e3\u865f;<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f\u5404\u500b\u90e8\u5206\u7684\u8a73\u7d30\u8aaa\u660e\uff1a<\/p>\n<ul>\n<li><strong>DSN\uff1a<\/strong>\u6578\u64da\u6e90\u540d\u7a31\uff0c\u901a\u5e38\u662f\u7528\u4f86\u6a19\u8b58\u6578\u64da\u5eab\u7684\u540d\u7a31\u3002<\/li>\n<li><strong>UID\uff1a<\/strong>\u7528\u6236\u540d\uff0c\u7528\u65bc\u8eab\u4efd\u9a57\u8b49\u3002<\/li>\n<li><strong>PWD\uff1a<\/strong>\u5bc6\u78bc\uff0c\u8207\u7528\u6236\u540d\u914d\u5408\u4f7f\u7528\u4ee5\u78ba\u4fdd\u5b89\u5168\u6027\u3002<\/li>\n<li><strong>DATABASE\uff1a<\/strong>\u6307\u5b9a\u8981\u9023\u63a5\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/li>\n<li><strong>HOST\uff1a<\/strong>\u6578\u64da\u5eab\u6240\u5728\u7684\u4e3b\u6a5f\u5730\u5740\uff0c\u901a\u5e38\u662fIP\u5730\u5740\u6216\u57df\u540d\u3002<\/li>\n<li><strong>PORT\uff1a<\/strong>\u6578\u64da\u5eab\u670d\u52d9\u5668\u7684\u7aef\u53e3\u865f\uff0c\u9ed8\u8a8d\u60c5\u6cc1\u4e0b\uff0cMySQL\u4f7f\u75283306\u7aef\u53e3\uff0cPostgreSQL\u4f7f\u75285432\u7aef\u53e3\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8dsn%e4%b8%b2%e9%80%a3%e6%8e%a5%e6%95%b8%e6%93%9a%e5%ba%ab-xbFGmOdOBG\">\u5982\u4f55\u4f7f\u7528DSN\u4e32\u9023\u63a5\u6578\u64da\u5eab<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528DSN\u4e32\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import pyodbc\n\ndsn = 'DSN=my_database;UID=my_user;PWD=my_password;DATABASE=my_db;HOST=localhost;PORT=3306;'\nconnection = pyodbc.connect(dsn)\n\ncursor = connection.cursor()\ncursor.execute(\"SELECT * FROM my_table\")\n\nfor row in cursor.fetchall():\n    print(row)\n\ncursor.close()\nconnection.close()\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86Python\u7684pyodbc\u5eab\u4f86\u9023\u63a5MySQL\u6578\u64da\u5eab\u3002\u9996\u5148\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86DSN\u4e32\uff0c\u7136\u5f8c\u4f7f\u7528\u8a72\u4e32\u4f86\u5efa\u7acb\u9023\u63a5\u3002\u63a5\u8457\uff0c\u6211\u5011\u57f7\u884c\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u67e5\u8a62\uff0c\u4e26\u6253\u5370\u51fa\u7d50\u679c\u3002<\/p>\n<h2 id=\"dsn%e4%b8%b2%e7%9a%84%e5%84%aa%e5%8b%a2-xbFGmOdOBG\">DSN\u4e32\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528DSN\u4e32\u7684\u4e3b\u8981\u512a\u52e2\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7c21\u5316\u914d\u7f6e\uff1a<\/strong>\u958b\u767c\u8005\u53ea\u9700\u8a2d\u7f6e\u4e00\u6b21DSN\u4e32\uff0c\u5f8c\u7e8c\u7684\u9023\u63a5\u90fd\u53ef\u4ee5\u91cd\u8907\u4f7f\u7528\uff0c\u6e1b\u5c11\u4e86\u914d\u7f6e\u7684\u7e41\u7463\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u5b89\u5168\u6027\uff1a<\/strong>\u5c07\u654f\u611f\u4fe1\u606f\uff08\u5982\u7528\u6236\u540d\u548c\u5bc6\u78bc\uff09\u96c6\u4e2d\u5728\u4e00\u500b\u5730\u65b9\uff0c\u4fbf\u65bc\u7ba1\u7406\u548c\u4fdd\u8b77\u3002<\/li>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u53ef\u4ee5\u8f15\u9b06\u5730\u66f4\u6539\u6578\u64da\u6e90\u7684\u914d\u7f6e\uff0c\u800c\u4e0d\u9700\u8981\u4fee\u6539\u4ee3\u78bc\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-xbFGmOdOBG\">\u7e3d\u7d50<\/h2>\n<p>DSN\u4e32\u662f\u4e00\u7a2e\u6709\u6548\u7684\u65b9\u5f0f\u4f86\u7ba1\u7406\u6578\u64da\u5eab\u9023\u63a5\u4fe1\u606f\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u8f15\u9b06\u5730\u9023\u63a5\u5230\u5404\u7a2e\u6578\u64da\u5eab\u3002\u901a\u904e\u5408\u7406\u4f7f\u7528DSN\u4e32\uff0c\u4e0d\u50c5\u53ef\u4ee5\u7c21\u5316\u958b\u767c\u904e\u7a0b\uff0c\u9084\u80fd\u63d0\u9ad8\u61c9\u7528\u7684\u5b89\u5168\u6027\u548c\u9748\u6d3b\u6027\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u6258\u7ba1\u60a8\u7684\u6578\u64da\u5eab\uff0c\u4eab\u53d7\u9ad8\u6548\u7684\u6027\u80fd\u548c\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u6703\u4f7f\u7528\u6578\u64da\u5eab\u9023\u63a5\u4fe1\u606fDSN\u4e32\uff0c\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u9023\u63a5\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u958b\u767c\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-193399","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193399","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=193399"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193399\/revisions"}],"predecessor-version":[{"id":193400,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193399\/revisions\/193400"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}