{"id":193933,"date":"2024-11-13T02:22:19","date_gmt":"2024-11-12T18:22:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/193933\/"},"modified":"2024-11-13T02:22:20","modified_gmt":"2024-11-12T18:22:20","slug":"%e4%b8%80%e6%ad%a5%e4%b8%80%e6%ad%a5%e6%95%99%e4%bd%a0%e5%a6%82%e4%bd%95%e7%94%a8python%e6%93%8d%e4%bd%9cmysql","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/193933\/","title":{"rendered":"\u4e00\u6b65\u4e00\u6b65\u6559\u4f60\u5982\u4f55\u7528Python\u64cd\u4f5cMySQL"},"content":{"rendered":"<h1 id=\"%e4%b8%80%e6%ad%a5%e4%b8%80%e6%ad%a5%e6%95%99%e4%bd%a0%e5%a6%82%e4%bd%95%e7%94%a8python%e6%93%8d%e4%bd%9cmysql-JIpugcibVj\">\u4e00\u6b65\u4e00\u6b65\u6559\u4f60\u5982\u4f55\u7528Python\u64cd\u4f5cMySQL<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002Python\u5247\u662f\u4e00\u7a2e\u5f37\u5927\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u56e0\u5176\u7c21\u6f54\u7684\u8a9e\u6cd5\u548c\u5f37\u5927\u7684\u5eab\u652f\u6301\u800c\u53d7\u5230\u958b\u767c\u8005\u7684\u9752\u775e\u3002\u672c\u6587\u5c07\u9010\u6b65\u6307\u5c0e\u4f60\u5982\u4f55\u4f7f\u7528Python\u4f86\u64cd\u4f5cMySQL\u6578\u64da\u5eab\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e6%ba%96%e5%82%99-JIpugcibVj\">\u74b0\u5883\u6e96\u5099<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u4f60\u9700\u8981\u78ba\u4fdd\u4f60\u7684\u7cfb\u7d71\u4e0a\u5df2\u7d93\u5b89\u88dd\u4e86Python\u548cMySQL\u3002\u4f60\u53ef\u4ee5\u5f9e<a href=\"https:\/\/www.python.org\/downloads\/\" rel=\"nofollow noopener\" target=\"_blank\">Python\u5b98\u65b9\u7db2\u7ad9<\/a>\u4e0b\u8f09\u4e26\u5b89\u88ddPython\uff0c\u4e26\u5f9e<a href=\"https:\/\/dev.mysql.com\/downloads\/mysql\/\" rel=\"nofollow noopener\" target=\"_blank\">MySQL\u5b98\u65b9\u7db2\u7ad9<\/a>\u4e0b\u8f09MySQL\u3002<\/p>\n<p>\u63a5\u4e0b\u4f86\uff0c\u4f60\u9700\u8981\u5b89\u88ddPython\u7684MySQL\u9023\u63a5\u5eab\uff0c\u901a\u5e38\u4f7f\u7528\u7684\u662f`mysql-connector-python`\u3002\u4f60\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd\uff1a<\/p>\n<pre><code>pip install mysql-connector-python<\/code><\/pre>\n<h2 id=\"%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-JIpugcibVj\">\u5efa\u7acb\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u5b89\u88dd\u5b8c\u5fc5\u8981\u7684\u5eab\u5f8c\uff0c\u63a5\u4e0b\u4f86\u662f\u5efa\u7acb\u8207MySQL\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u6578\u64da\u5eab\u7684\u57fa\u672c\u4ee3\u78bc\uff1a<\/p>\n<pre><code>import mysql.connector\n\n# \u5efa\u7acb\u9023\u63a5\nconn = mysql.connector.connect(\n    host=\"localhost\",  # \u6578\u64da\u5eab\u4e3b\u6a5f\n    user=\"your_username\",  # \u7528\u6236\u540d\n    password=\"your_password\",  # \u5bc6\u78bc\n    database=\"your_database\"  # \u6578\u64da\u5eab\u540d\u7a31\n)\n\n# \u6aa2\u67e5\u9023\u63a5\nif conn.is_connected():\n    print(\"\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\")\n<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e8%a1%a8-JIpugcibVj\">\u5275\u5efa\u6578\u64da\u8868<\/h2>\n<p>\u9023\u63a5\u6210\u529f\u5f8c\uff0c\u4f60\u53ef\u4ee5\u5275\u5efa\u6578\u64da\u8868\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u7528\u6236\u8868\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>cursor = conn.cursor()\n\n# \u5275\u5efa\u8868\ncreate_table_query = \"\"\"\nCREATE TABLE users (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100)\n)\n\"\"\"\ncursor.execute(create_table_query)\nprint(\"\u7528\u6236\u8868\u5275\u5efa\u6210\u529f\")\n<\/code><\/pre>\n<h2 id=\"%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-JIpugcibVj\">\u63d2\u5165\u6578\u64da<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5411\u7528\u6236\u8868\u4e2d\u63d2\u5165\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u4ee3\u78bc\uff1a<\/p>\n<pre><code>insert_query = \"INSERT INTO users (name, email) VALUES (%s, %s)\"\nvalues = (\"John Doe\", \"john@example.com\")\n\ncursor.execute(insert_query, values)\nconn.commit()  # \u63d0\u4ea4\u4e8b\u52d9\nprint(\"\u6578\u64da\u63d2\u5165\u6210\u529f\")\n<\/code><\/pre>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-JIpugcibVj\">\u67e5\u8a62\u6578\u64da<\/h2>\n<p>\u63d2\u5165\u6578\u64da\u5f8c\uff0c\u4f60\u53ef\u80fd\u60f3\u8981\u67e5\u8a62\u9019\u4e9b\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u7528\u6236\u8868\u4e2d\u6240\u6709\u6578\u64da\u7684\u4ee3\u78bc\uff1a<\/p>\n<pre><code>select_query = \"SELECT * FROM users\"\ncursor.execute(select_query)\n\n# \u7372\u53d6\u6240\u6709\u7d50\u679c\nresults = cursor.fetchall()\nfor row in results:\n    print(row)\n<\/code><\/pre>\n<h2 id=\"%e6%9b%b4%e6%96%b0%e6%95%b8%e6%93%9a-JIpugcibVj\">\u66f4\u65b0\u6578\u64da<\/h2>\n<p>\u5982\u679c\u9700\u8981\u66f4\u65b0\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>update_query = \"UPDATE users SET email = %s WHERE name = %s\"\nnew_email = (\"john.doe@example.com\", \"John Doe\")\n\ncursor.execute(update_query, new_email)\nconn.commit()\nprint(\"\u6578\u64da\u66f4\u65b0\u6210\u529f\")\n<\/code><\/pre>\n<h2 id=\"%e5%88%aa%e9%99%a4%e6%95%b8%e6%93%9a-JIpugcibVj\">\u522a\u9664\u6578\u64da<\/h2>\n<p>\u6700\u5f8c\uff0c\u5982\u679c\u9700\u8981\u522a\u9664\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>delete_query = \"DELETE FROM users WHERE name = %s\"\ncursor.execute(delete_query, (\"John Doe\",))\nconn.commit()\nprint(\"\u6578\u64da\u522a\u9664\u6210\u529f\")\n<\/code><\/pre>\n<h2 id=\"%e9%97%9c%e9%96%89%e9%80%a3%e6%8e%a5-JIpugcibVj\">\u95dc\u9589\u9023\u63a5<\/h2>\n<p>\u5b8c\u6210\u6240\u6709\u64cd\u4f5c\u5f8c\uff0c\u8a18\u5f97\u95dc\u9589\u6e38\u6a19\u548c\u9023\u63a5\uff1a<\/p>\n<pre><code>cursor.close()\nconn.close()\nprint(\"\u6578\u64da\u5eab\u9023\u63a5\u5df2\u95dc\u9589\")\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JIpugcibVj\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528Python\u64cd\u4f5cMySQL\u6578\u64da\u5eab\u7684\u57fa\u672c\u6b65\u9a5f\uff0c\u5305\u62ec\u5efa\u7acb\u9023\u63a5\u3001\u5275\u5efa\u8868\u3001\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u9019\u4e9b\u64cd\u4f5c\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u57fa\u790e\uff0c\u638c\u63e1\u5b83\u5011\u5c07\u6709\u52a9\u65bc\u4f60\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u66f4\u6709\u6548\u5730\u8655\u7406\u6578\u64da\u3002<\/p>\n<p>\u5982\u679c\u4f60\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u652f\u6301\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u4f60\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u4f60\u7684\u6578\u64da\u5eab\u904b\u884c\u5728\u9ad8\u6548\u7684\u74b0\u5883\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u5982\u4f55\u7528Python\u64cd\u4f5cMySQL\uff0c\u9010\u6b65\u638c\u63e1\u6570\u636e\u5e93\u8fde\u63a5\u3001\u67e5\u8be2\u548c\u6570\u636e\u5904\u7406\u7684\u6280\u5de7\uff0c\u8f7b\u677e\u5b9e\u73b0\u6570\u636e\u7ba1\u7406\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-193933","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193933","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=193933"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193933\/revisions"}],"predecessor-version":[{"id":193934,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/193933\/revisions\/193934"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=193933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=193933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=193933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}