{"id":526,"date":"2024-08-13T17:57:20","date_gmt":"2024-08-13T09:57:20","guid":{"rendered":"https:\/\/thereisno.top:4430\/?p=526"},"modified":"2024-08-13T17:57:21","modified_gmt":"2024-08-13T09:57:21","slug":"python-%e8%8e%b7%e5%8f%96mysql%e6%9f%a5%e8%af%a2%e7%bb%93%e6%9e%9c%e7%9a%84%e7%9b%b8%e5%ba%94%e5%ad%97%e6%ae%b5%e5%80%bc","status":"publish","type":"post","link":"https:\/\/thereisno.top\/?p=526","title":{"rendered":"python \u83b7\u53d6mysql\u67e5\u8be2\u7ed3\u679c\u7684\u76f8\u5e94\u5b57\u6bb5\u503c"},"content":{"rendered":"\n

\u5b8c\u6210\u8fd9\u4e2a\u4efb\u52a1\u7684\u6574\u4f53\u6d41\u7a0b\uff0c\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a<\/p>\n\n\n\n

\u6b65\u9aa41        \u8fde\u63a5\u5230MySQL\u6570\u636e\u5e93<\/p>\n\n\n\n

\u6b65\u9aa42        \u6267\u884cSQL\u67e5\u8be2\u8bed\u53e5<\/p>\n\n\n\n

\u6b65\u9aa43        \u83b7\u53d6\u67e5\u8be2\u7ed3\u679c<\/p>\n\n\n\n

\u6b65\u9aa44        \u63d0\u53d6\u76f8\u5e94\u5b57\u6bb5\u7684\u503c<\/p>\n\n\n\n

\u63a5\u4e0b\u6765\uff0c\u6211\u5c06\u9010\u4e2a\u6b65\u9aa4\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n\n\n\n

\u6b65\u9aa41\uff1a\u8fde\u63a5\u5230MySQL\u6570\u636e\u5e93<\/p>\n\n\n\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Python\u7684MySQL\u9a71\u52a8\u7a0b\u5e8f\u3002\u5728\u547d\u4ee4\u884c\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5\u9a71\u52a8\u7a0b\u5e8f\uff1a<\/p>\n\n\n\n

pip install mysql-connector-python\u00a0 #mysql-connector\u5df2\u7ecf\u8fc7\u671f<\/mark><\/p>\n\n\n\n

\u63a5\u4e0b\u6765\uff0c\u5728Python\u811a\u672c\u4e2d\u5f15\u5165MySQL\u9a71\u52a8\u7a0b\u5e8f\uff0c\u5e76\u4f7f\u7528connect()\u51fd\u6570\u8fde\u63a5\u5230MySQL\u6570\u636e\u5e93\u3002\u4f60\u9700\u8981\u63d0\u4f9b\u6570\u636e\u5e93\u7684\u76f8\u5173\u4fe1\u606f\uff0c\u4f8b\u5982\u4e3b\u673a\u540d\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u548c\u6570\u636e\u5e93\u540d\u79f0\u3002<\/p>\n\n\n\n

import mysql.connector<\/p>\n\n\n\n

# \u8fde\u63a5\u5230MySQL\u6570\u636e\u5e93<\/p>\n\n\n\n

cnx = mysql.connector.connect(<\/p>\n\n\n\n

  host=”localhost”,<\/p>\n\n\n\n

  user=”yourusername”,<\/p>\n\n\n\n

  password=”yourpassword”,<\/p>\n\n\n\n

  database=”yourdatabase”<\/p>\n\n\n\n

)<\/p>\n\n\n\n

\u6b65\u9aa42\uff1a\u6267\u884cSQL\u67e5\u8be2\u8bed\u53e5<\/p>\n\n\n\n

\u4e00\u65e6\u6210\u529f\u8fde\u63a5\u5230MySQL\u6570\u636e\u5e93\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u6267\u884cSQL\u67e5\u8be2\u8bed\u53e5\u4e86\u3002\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u6267\u884c\u4e00\u4e2a\u7b80\u5355\u7684SELECT\u8bed\u53e5\u6765\u68c0\u7d22\u4e00\u6761\u6570\u636e\uff1a<\/p>\n\n\n\n

# \u6267\u884cSELECT\u8bed\u53e5<\/p>\n\n\n\n

cursor = cnx.cursor()<\/p>\n\n\n\n

sql = “SELECT * FROM yourtable”<\/p>\n\n\n\n

cursor.execute(sql)<\/p>\n\n\n\n

\u6b65\u9aa43\uff1a\u83b7\u53d6\u67e5\u8be2\u7ed3\u679c<\/p>\n\n\n\n

\u6267\u884c\u67e5\u8be2\u540e\uff0c\u6211\u4eec\u9700\u8981\u4ece\u7ed3\u679c\u4e2d\u83b7\u53d6\u6570\u636e\u3002MySQL\u9a71\u52a8\u7a0b\u5e8f\u63d0\u4f9b\u4e86fetchall()\u65b9\u6cd5\u6765\u83b7\u53d6\u6240\u6709\u67e5\u8be2\u7ed3\u679c\u3002\u8fd9\u4e2a\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u5143\u7ec4\u5217\u8868\uff0c\u6bcf\u4e2a\u5143\u7ec4\u4ee3\u8868\u4e00\u6761\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n\n\n\n

# \u83b7\u53d6\u67e5\u8be2\u7ed3\u679c<\/p>\n\n\n\n

results = cursor.fetchall()<\/p>\n\n\n\n

\u6b65\u9aa44\uff1a\u63d0\u53d6\u76f8\u5e94\u5b57\u6bb5\u7684\u503c<\/p>\n\n\n\n

\u6700\u540e\uff0c\u6211\u4eec\u9700\u8981\u4ece\u67e5\u8be2\u7ed3\u679c\u4e2d\u63d0\u53d6\u76f8\u5e94\u5b57\u6bb5\u7684\u503c\u3002\u5047\u8bbe\u6211\u4eec\u7684\u67e5\u8be2\u7ed3\u679c\u5305\u542b\u4e09\u4e2a\u5b57\u6bb5\uff1aid\u3001name\u548cage\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u6765\u63d0\u53d6\u8fd9\u4e9b\u5b57\u6bb5\u7684\u503c\u3002<\/p>\n\n\n\n

# \u63d0\u53d6\u76f8\u5e94\u5b57\u6bb5\u7684\u503c<\/p>\n\n\n\n

for result in results:<\/p>\n\n\n\n

  id = result[0]<\/p>\n\n\n\n

  name = result[1]<\/p>\n\n\n\n

  age = result[2]<\/p>\n\n\n\n

  print(“ID: “, id)<\/p>\n\n\n\n

  print(“Name: “, name)<\/p>\n\n\n\n

  print(“Age: “, age)<\/p>\n\n\n\n

\u5b8c\u6210\u4ee5\u4e0a\u6b65\u9aa4\u540e\uff0c\u4f60\u5c06\u80fd\u591f\u6210\u529f\u83b7\u53d6MySQL\u67e5\u8be2\u7ed3\u679c\u7684\u76f8\u5e94\u5b57\u6bb5\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u5b8c\u6210\u8fd9\u4e2a\u4efb\u52a1\u7684\u6574\u4f53\u6d41\u7a0b\uff0c\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a \u6b65\u9aa41     &n … <\/p>\n

\u7ee7\u7eed\u9605\u8bfb\u201cpython \u83b7\u53d6mysql\u67e5\u8be2\u7ed3\u679c\u7684\u76f8\u5e94\u5b57\u6bb5\u503c\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37,14],"tags":[68,9],"class_list":["post-526","post","type-post","status-publish","format-standard","hentry","category-mysql","category-python","tag-mysql","tag-python"],"_links":{"self":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/526","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=526"}],"version-history":[{"count":1,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/526\/revisions"}],"predecessor-version":[{"id":527,"href":"https:\/\/thereisno.top\/index.php?rest_route=\/wp\/v2\/posts\/526\/revisions\/527"}],"wp:attachment":[{"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=526"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=526"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thereisno.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=526"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}