{"id":2581,"date":"2022-09-02T18:26:26","date_gmt":"2022-09-02T10:26:26","guid":{"rendered":"http:\/\/cnliutz.uicp.io\/?p=2581"},"modified":"2022-09-02T18:26:26","modified_gmt":"2022-09-02T10:26:26","slug":"pandas%e8%af%bb%e5%8f%96%e5%86%99%e5%85%a5%e6%95%b0%e6%8d%ae%e5%ba%93%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/g1n29wqq.ipyingshe.net:5347\/?p=2581","title":{"rendered":"pandas\u8bfb\u53d6\u5199\u5165\u6570\u636e\u5e93\u65b9\u6cd5"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>import pandas as pd\nimport pymysql\nfrom sqlalchemy import create_engine\n# \u521d\u59cb\u5316\u6570\u636e\u5e93\u8fde\u63a5\uff0cMySQL\u7684\u7528\u6237\u4e3aroot, \u5bc6\u7801\u4e3atest123, \u7aef\u53e3\u4e3a3306,\u6570\u636e\u5e93\u4e3atest_db\n#engine=create_engine('mysql+pymysql:\/\/root:test123@localhost:3306\/test_db')\n\n\n#\u6570\u636e\u5e93\u4e3a\uff1a192_168_28_31\uff0c\u67e5\u8be2\u7684\u6570\u636e\u8868\uff1awp_users\nengine=create_engine('mysql+pymysql:\/\/root:35493@127.0.0.1:3306\/192_168_28_31')\n# \u67e5\u8be2\u8868 basic_info \u4e2d\u7684\u6240\u6709\u6570\u636e\nsql = 'select * from wp_users;'\ndf = pd.read_sql_query(sql, engine)\nprint(df)\n\n'''\n===================== RESTART: C:\/Users\/czliu\/Desktop\/t.py =====================\n    ID       user_login  ... user_status     display_name\n0    1          liutz  ...           0          liutz\n1    4          smart  ...           0    dolphin_smart\n2    5           beer  ...           0                \u654f\n3   40   freemanmerritt  ...           0   freemanmerritt\n4   41     seanhines389  ...           0     seanhines389\n5   42     kirbykraus06  ...           0     kirbykraus06\n6   43     karlbrinson8  ...           0     karlbrinson8\n7   44     etsukolajoie  ...           0     etsukolajoie\n8   45  albertalerma324  ...           0  albertalerma324\n9   46     kittreacy841  ...           0     kittreacy841\n10  47  andrametts24334  ...           0  andrametts24334\n11  48  albert02a782221  ...           0  albert02a782221\n12  49   magdakeating20  ...           0   magdakeating20\n13  50      wyattaie818  ...           0      wyattaie818\n\n&#91;14 rows x 10 columns]\n'''\n#====\u5199\u5165\u6570\u636e====\n# \u65b0\u5efa\u4e00\u4e2a DataFrame\ndf1 = pd.DataFrame({'id':&#91;123,785], 'name':&#91;'Liuyun','liutz']})\nprint(df1)\n# \u5c06\u65b0\u5efa\u7684 DataFrame \u50a8\u5b58\u5230\u5f53\u524d\u6570\u636e\u5e93\u7684\u6570\u636e\u8868 stu \u4e2d\ndf1.to_sql('stu', engine)\n\n#\u5c06 excel \u8868\u4e2d\u6570\u636e\u5199\u5165 MySQL \u7684\u65b0\u8868\u4e2d\uff0c\u4f8b\u5982\u5bf9\u4e8e\u5982\u4e0b Excel \u8868\uff1a\n\n\u53ea\u8981\u63a5\u7740\u6267\u884c\u5982\u4e0b\u4ee3\u7801\uff1a\ndf2 = pd.read_excel(\"stu_scores.xlsx\")\ndf2.to_sql('scores', engine, index = False) # \u4e0d\u50a8\u5b58 index \u5217\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,10],"tags":[],"class_list":["post-2581","post","type-post","status-publish","format-standard","hentry","category-2","category-python"],"_links":{"self":[{"href":"http:\/\/g1n29wqq.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/posts\/2581","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/g1n29wqq.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/g1n29wqq.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/g1n29wqq.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/g1n29wqq.ipyingshe.net:5347\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2581"}],"version-history":[{"count":0,"href":"http:\/\/g1n29wqq.ipyingshe.net:5347\/index.php?rest_route=\/wp\/v2\/posts\/2581\/revisions"}],"wp:attachment":[{"href":"http:\/\/g1n29wqq.ipyingshe.net:5347\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/g1n29wqq.ipyingshe.net:5347\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2581"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/g1n29wqq.ipyingshe.net:5347\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}