{"id":179922,"date":"2024-11-09T05:55:25","date_gmt":"2024-11-08T21:55:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179922\/"},"modified":"2024-11-09T05:55:26","modified_gmt":"2024-11-08T21:55:26","slug":"%e5%a6%82%e4%bd%95%e6%89%be%e5%87%ba%e5%85%a9%e5%88%97%e6%95%b8%e6%93%9a%e4%b8%ad%e7%9b%b8%e5%90%8c%e7%9a%84%e5%80%bc%ef%bc%9f-%e6%9f%a5%e6%89%be%e5%85%a9%e5%88%97%e6%95%b8%e6%93%9a%e4%b8%ad%e7%9b%b8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179922\/","title":{"rendered":"\u5982\u4f55\u627e\u51fa\u5169\u5217\u6578\u64da\u4e2d\u76f8\u540c\u7684\u503c\uff1f (\u67e5\u627e\u5169\u5217\u6578\u64da\u4e2d\u76f8\u540c\u7684\u6578\u64da\u5eab)"},"content":{"rendered":"

\u5982\u4f55\u627e\u51fa\u5169\u5217\u6578\u64da\u4e2d\u76f8\u540c\u7684\u503c\uff1f (\u67e5\u627e\u5169\u5217\u6578\u64da\u4e2d\u76f8\u540c\u7684\u6578\u64da\u5eab)<\/h1>\n

\u5728\u6578\u64da\u5206\u6790\u548c\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u627e\u51fa\u5169\u5217\u6578\u64da\u4e2d\u76f8\u540c\u7684\u503c\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u5728\u9032\u884c\u6578\u64da\u6e05\u7406\u3001\u6578\u64da\u6574\u5408\uff0c\u9084\u662f\u9032\u884c\u5831\u544a\u5206\u6790\uff0c\u80fd\u5920\u6709\u6548\u5730\u8b58\u5225\u91cd\u8907\u6216\u76f8\u540c\u7684\u6578\u64da\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5e7e\u7a2e\u65b9\u6cd5\u4f86\u67e5\u627e\u5169\u5217\u6578\u64da\u4e2d\u7684\u76f8\u540c\u503c\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n

\u4f7f\u7528 SQL \u67e5\u627e\u76f8\u540c\u7684\u503c<\/h2>\n

\u5728\u6578\u64da\u5eab\u4e2d\uff0c\u4f7f\u7528 SQL \u67e5\u627e\u5169\u5217\u6578\u64da\u4e2d\u76f8\u540c\u7684\u503c\u662f\u4e00\u500b\u9ad8\u6548\u7684\u65b9\u6cd5\u3002\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u540d\u70ba employees<\/code> \u7684\u8868\u683c\uff0c\u5176\u4e2d\u5305\u542b\u5169\u5217 email<\/code> \u548c contact_email<\/code>\uff0c\u6211\u5011\u5e0c\u671b\u627e\u51fa\u9019\u5169\u5217\u4e2d\u76f8\u540c\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002<\/p>\n

SELECT email\nFROM employees\nWHERE email IN (SELECT contact_email FROM employees);\n<\/code><\/pre>\n
\u4e0a\u8ff0\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5728 email<\/code> \u5217\u4e2d\u51fa\u73fe\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff0c\u9019\u4e9b\u5730\u5740\u540c\u6642\u4e5f\u5b58\u5728\u65bc contact_email<\/code> \u5217\u4e2d\u3002<\/p>\n
\u4f7f\u7528 Excel \u67e5\u627e\u76f8\u540c\u7684\u503c<\/h2>\n
\u5982\u679c\u60a8\u4f7f\u7528 Excel \u9032\u884c\u6578\u64da\u5206\u6790\uff0c\u53ef\u4ee5\u5229\u7528\u689d\u4ef6\u683c\u5f0f\u5316\u529f\u80fd\u4f86\u627e\u51fa\u5169\u5217\u4e2d\u7684\u76f8\u540c\u503c\u3002\u4ee5\u4e0b\u662f\u5177\u9ad4\u6b65\u9a5f\uff1a<\/p>\n
    \n
  1. \u9078\u64c7\u7b2c\u4e00\u5217\u7684\u6578\u64da\u7bc4\u570d\u3002<\/li>\n
  2. \u9ede\u64ca\u300c\u958b\u59cb\u300d\u9078\u9805\u5361\uff0c\u7136\u5f8c\u9078\u64c7\u300c\u689d\u4ef6\u683c\u5f0f\u300d\u3002<\/li>\n
  3. \u9078\u64c7\u300c\u65b0\u5efa\u898f\u5247\u300d\uff0c\u7136\u5f8c\u9078\u64c7\u300c\u4f7f\u7528\u516c\u5f0f\u78ba\u5b9a\u8981\u8a2d\u7f6e\u683c\u5f0f\u7684\u55ae\u5143\u683c\u300d\u3002<\/li>\n
  4. \u8f38\u5165\u516c\u5f0f\uff0c\u4f8b\u5982 =COUNTIF(B:B, A1) > 0<\/code>\uff0c\u5176\u4e2d A<\/code> \u662f\u7b2c\u4e00\u5217\uff0cB<\/code> \u662f\u7b2c\u4e8c\u5217\u3002<\/li>\n
  5. \u8a2d\u7f6e\u683c\u5f0f\uff0c\u7136\u5f8c\u9ede\u64ca\u300c\u78ba\u5b9a\u300d\u3002<\/li>\n<\/ol>\n
    \u9019\u6a23\uff0c\u6240\u6709\u5728\u7b2c\u4e00\u5217\u4e2d\u51fa\u73fe\u4e14\u540c\u6642\u5b58\u5728\u65bc\u7b2c\u4e8c\u5217\u7684\u503c\u5c07\u6703\u88ab\u9ad8\u4eae\u986f\u793a\u3002<\/p>\n
    \u4f7f\u7528 Python \u67e5\u627e\u76f8\u540c\u7684\u503c<\/h2>\n
    \u5982\u679c\u60a8\u66f4\u559c\u6b61\u4f7f\u7528\u7de8\u7a0b\u8a9e\u8a00\u4f86\u8655\u7406\u6578\u64da\uff0c\u53ef\u4ee5\u4f7f\u7528 Python \u7684 Pandas \u5eab\u4f86\u67e5\u627e\u76f8\u540c\u7684\u503c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff1a<\/p>\n
    import pandas as pd\n\n# \u5275\u5efa\u6578\u64da\u6846\ndata = {\n    'email': ['a@example.com', 'b@example.com', 'c@example.com'],\n    'contact_email': ['b@example.com', 'd@example.com', 'a@example.com']\n}\n\ndf = pd.DataFrame(data)\n\n# \u627e\u51fa\u76f8\u540c\u7684\u503c\ncommon_values = df['email'][df['email'].isin(df['contact_email'])]\n\nprint(common_values)\n<\/code><\/pre>\n
    \u9019\u6bb5\u4ee3\u78bc\u5c07\u8f38\u51fa\u5728 email<\/code> \u5217\u4e2d\u51fa\u73fe\u4e14\u540c\u6642\u5b58\u5728\u65bc contact_email<\/code> \u5217\u7684\u6240\u6709\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u3002<\/p>\n
    \u7d50\u8ad6<\/h2>\n
    \u627e\u51fa\u5169\u5217\u6578\u64da\u4e2d\u76f8\u540c\u7684\u503c\u662f\u4e00\u500b\u91cd\u8981\u7684\u6578\u64da\u8655\u7406\u4efb\u52d9\uff0c\u7121\u8ad6\u662f\u5728\u6578\u64da\u5eab\u4e2d\u4f7f\u7528 SQL\uff0c\u9084\u662f\u5728 Excel \u6216 Python \u4e2d\u9032\u884c\u6578\u64da\u5206\u6790\uff0c\u90fd\u6709\u591a\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u5be6\u73fe\u3002\u6839\u64da\u5177\u9ad4\u7684\u9700\u6c42\u548c\u74b0\u5883\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u4e26\u78ba\u4fdd\u6578\u64da\u7684\u6e96\u78ba\u6027\u3002<\/p>\n
    \u5982\u679c\u60a8\u9700\u8981\u9032\u4e00\u6b65\u7684\u6578\u64da\u8655\u7406\u6216\u6578\u64da\u5eab\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 \u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u652f\u6301\u60a8\u7684\u696d\u52d9\u9700\u6c42\uff0c\u7121\u8ad6\u662f\u6578\u64da\u5b58\u5132\u9084\u662f\u61c9\u7528\u7a0b\u5e8f\u6258\u7ba1\uff0c\u5747\u53ef\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u914d\u7f6e\u9078\u64c7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u67e5\u627e\u5169\u5217\u6578\u64da\u7684\u76f8\u540c\u503c\uff0c\u638c\u63e1\u6709\u6548\u7684\u6578\u64da\u6bd4\u5c0d\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u5206\u6790\u6548\u7387\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-179922","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179922","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=179922"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179922\/revisions"}],"predecessor-version":[{"id":179923,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179922\/revisions\/179923"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}