{"id":163983,"date":"2024-11-05T04:03:28","date_gmt":"2024-11-04T20:03:28","guid":{"rendered":"https:\/\/server.hk\/cnblog\/163983\/"},"modified":"2024-11-05T04:03:29","modified_gmt":"2024-11-04T20:03:29","slug":"%e8%a7%a3%e9%8e%96%e6%95%b8%e6%93%9a%e4%b9%8b%e9%96%80%ef%bc%9a%e6%8e%8c%e6%8f%a1python%e6%93%8d%e4%bd%9cmysql%e7%9a%84%e5%af%a6%e7%94%a8%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/163983\/","title":{"rendered":"\u89e3\u9396\u6578\u64da\u4e4b\u9580\uff1a\u638c\u63e1Python\u64cd\u4f5cMySQL\u7684\u5be6\u7528\u6280\u5de7"},"content":{"rendered":"

\u89e3\u9396\u6578\u64da\u4e4b\u9580\uff1a\u638c\u63e1Python\u64cd\u4f5cMySQL\u7684\u5be6\u7528\u6280\u5de7<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u64cd\u4f5c\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002MySQL\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u958b\u6e90\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u5404\u7a2e\u61c9\u7528\u7a0b\u5e8f\u4e2d\u3002\u800cPython\u5247\u4ee5\u5176\u7c21\u6f54\u7684\u8a9e\u6cd5\u548c\u5f37\u5927\u7684\u5eab\u652f\u6301\uff0c\u6210\u70ba\u6578\u64da\u8655\u7406\u548c\u5206\u6790\u7684\u9996\u9078\u8a9e\u8a00\u4e4b\u4e00\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Python\u64cd\u4f5cMySQL\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u6280\u5de7\u548c\u7bc4\u4f8b\u3002<\/p>\n

\u70ba\u4ec0\u9ebc\u9078\u64c7Python\u8207MySQL<\/h2>\n

Python\u8207MySQL\u7684\u7d50\u5408\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u8655\u7406\u80fd\u529b\u3002Python\u7684\u7c21\u55ae\u6027\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u7de8\u5beb\u4ee3\u78bc\uff0c\u800cMySQL\u5247\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u6aa2\u7d22\u529f\u80fd\u3002\u9019\u7a2e\u7d44\u5408\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u7a0b\u5e8f\uff0c\u5982\u7db2\u7ad9\u5f8c\u7aef\u3001\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u751f\u6210\u7b49\u3002<\/p>\n

\u74b0\u5883\u8a2d\u7f6e<\/h2>\n

\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86Python\u548cMySQL\u3002\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5b89\u88dd\u4e00\u500bPython\u5eab\u4f86\u9023\u63a5MySQL\uff0c\u6700\u5e38\u7528\u7684\u662f`mysql-connector-python`\u3002\u60a8\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88dd\uff1a<\/p>\n

pip install mysql-connector-python<\/code><\/pre>\n
\u57fa\u672c\u64cd\u4f5c\u793a\u4f8b<\/h2>\n
\u9023\u63a5\u5230MySQL\u6578\u64da\u5eab<\/h3>\n
\u9996\u5148\uff0c\u60a8\u9700\u8981\u5efa\u7acb\u8207MySQL\u6578\u64da\u5eab\u7684\u9023\u63a5\u3002\u4ee5\u4e0b\u662f\u9023\u63a5\u7684\u57fa\u672c\u4ee3\u78bc\uff1a<\/p>\n
import mysql.connector\n\n# \u5efa\u7acb\u9023\u63a5\nconn = 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 = conn.cursor()\n<\/code><\/pre>\n
\u5275\u5efa\u6578\u64da\u8868<\/h3>\n
\u4e00\u65e6\u9023\u63a5\u6210\u529f\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u6578\u64da\u8868\u3002\u4ee5\u4e0b\u662f\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7528\u6236\u8868\u7684\u793a\u4f8b\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)\n<\/code><\/pre>\n
\u63d2\u5165\u6578\u64da<\/h3>\n
\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u5411\u8868\u4e2d\u63d2\u5165\u6578\u64da\uff1a<\/p>\n
insert_query = \"INSERT INTO users (name, email) VALUES (%s, %s)\"\nvalues = (\"John Doe\", \"john@example.com\")\ncursor.execute(insert_query, values)\nconn.commit()  # \u63d0\u4ea4\u4e8b\u52d9\n<\/code><\/pre>\n
\u67e5\u8a62\u6578\u64da<\/h3>\n
\u8981\u67e5\u8a62\u6578\u64da\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u4ee3\u78bc\uff1a<\/p>\n
select_query = \"SELECT * FROM users\"\ncursor.execute(select_query)\n\nfor (id, name, email) in cursor:\n    print(f\"ID: {id}, Name: {name}, Email: {email}\")\n<\/code><\/pre>\n
\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da<\/h3>\n
\u66f4\u65b0\u548c\u522a\u9664\u6578\u64da\u7684\u64cd\u4f5c\u4e5f\u975e\u5e38\u7c21\u55ae\uff1a<\/p>\n
# \u66f4\u65b0\u6578\u64da\nupdate_query = \"UPDATE users SET email = %s WHERE name = %s\"\ncursor.execute(update_query, (\"new_email@example.com\", \"John Doe\"))\nconn.commit()\n\n# \u522a\u9664\u6578\u64da\ndelete_query = \"DELETE FROM users WHERE name = %s\"\ncursor.execute(delete_query, (\"John Doe\",))\nconn.commit()\n<\/code><\/pre>\n
\u932f\u8aa4\u8655\u7406<\/h2>\n
\u5728\u64cd\u4f5c\u6578\u64da\u5eab\u6642\uff0c\u932f\u8aa4\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528try-except\u584a\u4f86\u6355\u7372\u7570\u5e38\uff1a<\/p>\n
try:\n    # \u9032\u884c\u6578\u64da\u5eab\u64cd\u4f5c\nexcept mysql.connector.Error as err:\n    print(f\"Error: {err}\")\nfinally:\n    cursor.close()\n    conn.close()\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u638c\u63e1Python\u64cd\u4f5cMySQL\u7684\u6280\u5de7\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u9ad8\u6548\u5730\u7ba1\u7406\u548c\u8655\u7406\u6578\u64da\u3002\u901a\u904e\u7c21\u55ae\u7684\u9023\u63a5\u3001\u67e5\u8a62\u3001\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\uff0c\u60a8\u53ef\u4ee5\u8f15\u9b06\u5730\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002\u96a8\u8457\u5c0d\u6578\u64da\u9700\u6c42\u7684\u589e\u52a0\uff0c\u5b78\u7fd2\u9019\u4e9b\u6280\u80fd\u5c07\u4f7f\u60a8\u5728\u6578\u64da\u7ba1\u7406\u9818\u57df\u4e2d\u66f4\u5177\u7af6\u722d\u529b\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u7a69\u5b9a\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684\u61c9\u7528\u7a0b\u5e8f\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684 \u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u670d\u52d9\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u7db2\u7ad9\u6258\u7ba1\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u638c\u63e1Python\u64cd\u4f5cMySQL\u7684\u5be6\u7528\u6280\u5de7\uff0c\u89e3\u9396\u6578\u64da\u4e4b\u9580\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u8b93\u4f60\u7684\u6578\u64da\u5206\u6790\u66f4\u5f97\u5fc3\u61c9\u624b\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-163983","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163983","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=163983"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163983\/revisions"}],"predecessor-version":[{"id":163984,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/163983\/revisions\/163984"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=163983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=163983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=163983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}