{"id":96992,"date":"2024-10-20T14:05:17","date_gmt":"2024-10-20T06:05:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/96992\/"},"modified":"2024-10-20T14:05:18","modified_gmt":"2024-10-20T06:05:18","slug":"python%e7%b7%a8%e7%a8%8b%e8%aa%9e%e8%a8%80%e6%93%8d%e4%bd%9cmysql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%af%a6%e6%88%b0%e6%bc%94%e7%bf%92","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/96992\/","title":{"rendered":"Python\u7de8\u7a0b\u8a9e\u8a00\u64cd\u4f5cMySQL\u6578\u64da\u5eab\u5be6\u6230\u6f14\u7fd2"},"content":{"rendered":"

Python\u7de8\u7a0b\u8a9e\u8a00\u64cd\u4f5cMySQL\u6578\u64da\u5eab\u5be6\u6230\u6f14\u7fd2<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cPython\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u4e14\u6613\u65bc\u5b78\u7fd2\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5df2\u7d93\u6210\u70ba\u6578\u64da\u79d1\u5b78\u3001\u7db2\u9801\u958b\u767c\u548c\u81ea\u52d5\u5316\u7b49\u9818\u57df\u7684\u71b1\u9580\u9078\u64c7\u3002\u5c24\u5176\u662f\u5728\u64cd\u4f5c\u6578\u64da\u5eab\u65b9\u9762\uff0cPython\u63d0\u4f9b\u4e86\u591a\u7a2e\u5eab\u4f86\u7c21\u5316\u8207MySQL\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Python\u4f86\u64cd\u4f5cMySQL\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u5be6\u6230\u6f14\u7fd2\u7684\u793a\u4f8b\u3002<\/p>\n

\u74b0\u5883\u6e96\u5099<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86Python\u548cMySQL\u6578\u64da\u5eab\u3002\u60a8\u53ef\u4ee5\u5f9e\u5b98\u65b9\u7db2\u7ad9\u4e0b\u8f09\u4e26\u5b89\u88dd\u5b83\u5011\u3002\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5b89\u88ddPython\u7684MySQL\u9023\u63a5\u5eab\uff0c\u901a\u5e38\u4f7f\u7528\u7684\u662f`mysql-connector-python`\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd\uff1a<\/p>\n

pip install mysql-connector-python<\/code><\/pre>\n
\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab<\/h2>\n
\u9996\u5148\uff0c\u6211\u5011\u9700\u8981\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
import mysql.connector\n\n# \u5efa\u7acb\u9023\u63a5\ndb = mysql.connector.connect(\n    host=\"localhost\",\n    user=\"your_username\",\n    password=\"your_password\",\n    database=\"your_database\"\n)\n\n# \u5275\u5efa\u6e38\u6a19\ncursor = db.cursor()\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u60a8\u9700\u8981\u66ff\u63db`your_username`\u3001`your_password`\u548c`your_database`\u70ba\u60a8\u7684MySQL\u7528\u6236\u540d\u3001\u5bc6\u78bc\u548c\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n
\u5275\u5efa\u6578\u64da\u8868<\/h2>\n
\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u5c07\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u6578\u64da\u8868\u4f86\u5b58\u5132\u7528\u6236\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u6578\u64da\u8868\u7684\u4ee3\u78bc\uff1a<\/p>\n
create_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)\ndb.commit()\n<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u5275\u5efa\u4e00\u500b\u540d\u70ba`users`\u7684\u8868\uff0c\u5305\u542b\u4e09\u500b\u5b57\u6bb5\uff1a`id`\u3001`name`\u548c`email`\u3002<\/p>\n
\u63d2\u5165\u6578\u64da<\/h2>\n
\u5275\u5efa\u5b8c\u6578\u64da\u8868\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u63d2\u5165\u4e00\u4e9b\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
insert_query = \"INSERT INTO users (name, email) VALUES (%s, %s)\"\nvalues = (\"Alice\", \"alice@example.com\")\ncursor.execute(insert_query, values)\ndb.commit()\n<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u63d2\u5165\u4e00\u689d\u7528\u6236\u4fe1\u606f\u5230`users`\u8868\u4e2d\u3002<\/p>\n
\u67e5\u8a62\u6578\u64da<\/h2>\n
\u63d2\u5165\u6578\u64da\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u67e5\u8a62\u6578\u64da\u4ee5\u78ba\u8a8d\u63d2\u5165\u662f\u5426\u6210\u529f\u3002\u4ee5\u4e0b\u662f\u67e5\u8a62\u6578\u64da\u7684\u4ee3\u78bc\uff1a<\/p>\n
select_query = \"SELECT * FROM users\"\ncursor.execute(select_query)\n\nfor (id, name, email) in cursor.fetchall():\n    print(f\"ID: {id}, Name: {name}, Email: {email}\")\n<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u67e5\u8a62`users`\u8868\u4e2d\u7684\u6240\u6709\u6578\u64da\u4e26\u6253\u5370\u51fa\u4f86\u3002<\/p>\n
\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da<\/h2>\n
\u9664\u4e86\u63d2\u5165\u548c\u67e5\u8a62\u6578\u64da\uff0c\u6211\u5011\u9084\u53ef\u4ee5\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n
update_query = \"UPDATE users SET email = %s WHERE name = %s\"\nnew_email = (\"alice_new@example.com\", \"Alice\")\ncursor.execute(update_query, new_email)\ndb.commit()\n<\/code><\/pre>\n
\u9019\u6bb5\u4ee3\u78bc\u5c07\u66f4\u65b0\u540d\u70ba`Alice`\u7684\u7528\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002<\/p>\n
\u522a\u9664\u6578\u64da\u7684\u4ee3\u78bc\u5982\u4e0b\uff1a<\/p>\n
delete_query = \"DELETE FROM users WHERE name = %s\"\ncursor.execute(delete_query, (\"Alice\",))\ndb.commit()\n<\/code><\/pre>\n
\u7d50\u8ad6<\/h2>\n
\u901a\u904e\u4ee5\u4e0a\u7684\u5be6\u6230\u6f14\u7fd2\uff0c\u6211\u5011\u5b78\u6703\u4e86\u5982\u4f55\u4f7f\u7528Python\u4f86\u64cd\u4f5cMySQL\u6578\u64da\u5eab\uff0c\u5305\u62ec\u9023\u63a5\u6578\u64da\u5eab\u3001\u5275\u5efa\u6578\u64da\u8868\u3001\u63d2\u5165\u3001\u67e5\u8a62\u3001\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u3002\u9019\u4e9b\u57fa\u672c\u64cd\u4f5c\u70ba\u9032\u4e00\u6b65\u7684\u6578\u64da\u8655\u7406\u548c\u5206\u6790\u5960\u5b9a\u4e86\u57fa\u790e\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u90e8\u7f72\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684\u6578\u64da\u5b89\u5168\u4e14\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u638c\u63e1Python\u7de8\u7a0b\u8a9e\u8a00\u8207MySQL\u6578\u64da\u5eab\u7684\u5be6\u6230\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u80fd\u529b\uff0c\u5be6\u73fe\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u8207\u5206\u6790\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-96992","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96992","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=96992"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96992\/revisions"}],"predecessor-version":[{"id":96993,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/96992\/revisions\/96993"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=96992"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=96992"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=96992"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}