{"id":162431,"date":"2024-11-04T15:02:19","date_gmt":"2024-11-04T07:02:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162431\/"},"modified":"2024-11-04T15:02:20","modified_gmt":"2024-11-04T07:02:20","slug":"%e7%b0%a1%e5%96%ae%e6%98%93%e6%87%82%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e6%af%94%e5%b0%8d%e6%96%b9%e6%a1%88%ef%bc%8c%e6%8f%90%e9%ab%98%e6%95%b8%e6%93%9a%e6%ba%96%e7%a2%ba%e6%80%a7-%e6%95%b8%e6%93%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162431\/","title":{"rendered":"\u7c21\u55ae\u6613\u61c2\u7684\u6578\u64da\u5eab\u6bd4\u5c0d\u65b9\u6848\uff0c\u63d0\u9ad8\u6578\u64da\u6e96\u78ba\u6027 (\u6578\u64da\u5eab\u6bd4\u5c0d\u65b9\u6848)"},"content":{"rendered":"<h1 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id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e6%af%94%e5%b0%8d%ef%bc%9f-yYLpZysaZO\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u6bd4\u5c0d\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u6bd4\u5c0d\u662f\u6307\u5c07\u5169\u500b\u6216\u591a\u500b\u6578\u64da\u96c6\u9032\u884c\u6bd4\u8f03\uff0c\u4ee5\u8b58\u5225\u76f8\u4f3c\u6027\u548c\u5dee\u7570\u6027\u3002\u9019\u4e00\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u5230\u6578\u64da\u6e05\u7406\u3001\u6a19\u6e96\u5316\u548c\u5339\u914d\uff0c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u6578\u64da\u5eab\u6bd4\u5c0d\u53ef\u4ee5\u61c9\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u4f8b\u5982\u5ba2\u6236\u8cc7\u6599\u7684\u5408\u4f75\u3001\u6578\u64da\u9077\u79fb\u904e\u7a0b\u4e2d\u7684\u9a57\u8b49\uff0c\u4ee5\u53ca\u9632\u6b62\u91cd\u8907\u6578\u64da\u7684\u751f\u6210\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%af%94%e5%b0%8d%e7%9a%84%e5%b8%b8%e8%a6%8b%e6%96%b9%e6%b3%95-yYLpZysaZO\">\u6578\u64da\u5eab\u6bd4\u5c0d\u7684\u5e38\u898b\u65b9\u6cd5<\/h2>\n<ul>\n<li><strong>\u7cbe\u78ba\u5339\u914d<\/strong>: \u9019\u662f\u6700\u57fa\u672c\u7684\u6bd4\u5c0d\u65b9\u6cd5\uff0c\u901a\u904e\u6bd4\u8f03\u6578\u64da\u5b57\u6bb5\u7684\u503c\u4f86\u78ba\u5b9a\u662f\u5426\u5339\u914d\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u5ba2\u6236\u7684\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\uff0c\u53ef\u4ee5\u76f4\u63a5\u9032\u884c\u5b57\u7b26\u4e32\u6bd4\u8f03\u3002<\/li>\n<li><strong>\u6a21\u7cca\u5339\u914d<\/strong>: \u7576\u6578\u64da\u4e2d\u5b58\u5728\u62fc\u5beb\u932f\u8aa4\u6216\u683c\u5f0f\u4e0d\u4e00\u81f4\u6642\uff0c\u6a21\u7cca\u5339\u914d\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u76f8\u4f3c\u7684\u6578\u64da\u3002\u4f8b\u5982\uff0c\u4f7f\u7528 Levenshtein \u8ddd\u96e2\u7b97\u6cd5\u4f86\u8a08\u7b97\u5169\u500b\u5b57\u7b26\u4e32\u4e4b\u9593\u7684\u7de8\u8f2f\u8ddd\u96e2\u3002<\/li>\n<li><strong>\u57fa\u65bc\u898f\u5247\u7684\u5339\u914d<\/strong>: \u901a\u904e\u5b9a\u7fa9\u4e00\u7d44\u898f\u5247\u4f86\u9032\u884c\u6bd4\u5c0d\uff0c\u4f8b\u5982\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u6aa2\u67e5\u96fb\u8a71\u865f\u78bc\u7684\u683c\u5f0f\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e6%af%94%e5%b0%8d%e7%9a%84%e6%ad%a5%e9%a9%9f-yYLpZysaZO\">\u5be6\u73fe\u6578\u64da\u5eab\u6bd4\u5c0d\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86-yYLpZysaZO\">1. \u6578\u64da\u6e05\u7406<\/h3>\n<p>\u5728\u9032\u884c\u6bd4\u5c0d\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5c0d\u6578\u64da\u9032\u884c\u6e05\u7406\u3002\u9019\u5305\u62ec\u53bb\u9664\u91cd\u8907\u9805\u3001\u586b\u88dc\u7f3a\u5931\u503c\u4ee5\u53ca\u6a19\u6e96\u5316\u6578\u64da\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u5c07\u6240\u6709\u96fb\u5b50\u90f5\u4ef6\u5730\u5740\u8f49\u63db\u70ba\u5c0f\u5beb\uff0c\u4ee5\u907f\u514d\u56e0\u5927\u5c0f\u5beb\u4e0d\u540c\u800c\u5c0e\u81f4\u7684\u5339\u914d\u5931\u6557\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e6%a8%99%e6%ba%96%e5%8c%96-yYLpZysaZO\">2. \u6578\u64da\u6a19\u6e96\u5316<\/h3>\n<p>\u6578\u64da\u6a19\u6e96\u5316\u662f\u6307\u5c07\u6578\u64da\u8f49\u63db\u70ba\u7d71\u4e00\u7684\u683c\u5f0f\u3002\u9019\u53ef\u4ee5\u5305\u62ec\u65e5\u671f\u683c\u5f0f\u7684\u7d71\u4e00\u3001\u5730\u5740\u7684\u6a19\u6e96\u5316\u7b49\u3002\u4f7f\u7528 Python \u7684 pandas \u5eab\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u6a19\u6e96\u5316\uff1a<\/p>\n<pre><code>import pandas as pd\n\n# \u8b80\u53d6\u6578\u64da\ndata = pd.read_csv('data.csv')\n\n# \u5c07\u96fb\u5b50\u90f5\u4ef6\u8f49\u63db\u70ba\u5c0f\u5beb\ndata['email'] = data['email'].str.lower()\n\n# \u6a19\u6e96\u5316\u65e5\u671f\u683c\u5f0f\ndata['date'] = pd.to_datetime(data['date']).dt.strftime('%Y-%m-%d')\n<\/code><\/pre>\n<h3 id=\"3-%e5%9f%b7%e8%a1%8c%e6%af%94%e5%b0%8d-yYLpZysaZO\">3. \u57f7\u884c\u6bd4\u5c0d<\/h3>\n<p>\u5728\u6578\u64da\u6e05\u7406\u548c\u6a19\u6e96\u5316\u4e4b\u5f8c\uff0c\u53ef\u4ee5\u958b\u59cb\u57f7\u884c\u6bd4\u5c0d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 pandas \u9032\u884c\u7cbe\u78ba\u5339\u914d\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code># \u7cbe\u78ba\u5339\u914d\nmatched_data = pd.merge(data1, data2, on='email', how='inner')\n<\/code><\/pre>\n<h3 id=\"4-%e8%99%95%e7%90%86%e4%b8%8d%e5%8c%b9%e9%85%8d%e7%9a%84%e6%95%b8%e6%93%9a-yYLpZysaZO\">4. \u8655\u7406\u4e0d\u5339\u914d\u7684\u6578\u64da<\/h3>\n<p>\u5728\u6bd4\u5c0d\u904e\u7a0b\u4e2d\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u4e0d\u5339\u914d\u7684\u6578\u64da\u3002\u9019\u6642\u9700\u8981\u9032\u884c\u9032\u4e00\u6b65\u7684\u5206\u6790\uff0c\u4ee5\u78ba\u5b9a\u662f\u5426\u9700\u8981\u9032\u884c\u624b\u52d5\u5e72\u9810\u6216\u4f7f\u7528\u6a21\u7cca\u5339\u914d\u6280\u8853\u4f86\u8655\u7406\u9019\u4e9b\u6578\u64da\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e6%af%94%e5%b0%8d%e7%9a%84%e6%8c%91%e6%88%b0-yYLpZysaZO\">\u6578\u64da\u5eab\u6bd4\u5c0d\u7684\u6311\u6230<\/h2>\n<p>\u5118\u7ba1\u6578\u64da\u5eab\u6bd4\u5c0d\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\uff0c\u4f46\u5728\u5be6\u65bd\u904e\u7a0b\u4e2d\u4ecd\u7136\u9762\u81e8\u4e00\u4e9b\u6311\u6230\u3002\u4f8b\u5982\uff0c\u6578\u64da\u7684\u591a\u6a23\u6027\u548c\u4e0d\u4e00\u81f4\u6027\u53ef\u80fd\u6703\u5f71\u97ff\u6bd4\u5c0d\u7684\u7d50\u679c\u3002\u6b64\u5916\uff0c\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u6bd4\u5c0d\u7684\u6548\u7387\u548c\u6027\u80fd\u4e5f\u6210\u70ba\u4e00\u500b\u91cd\u8981\u8003\u91cf\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-yYLpZysaZO\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u6bd4\u5c0d\u662f\u4e00\u500b\u91cd\u8981\u7684\u904e\u7a0b\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u53ef\u9760\u6027\u3002\u901a\u904e\u7c21\u55ae\u6613\u61c2\u7684\u6bd4\u5c0d\u65b9\u6848\uff0c\u4f01\u696d\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u5176\u6578\u64da\u8cc7\u6e90\uff0c\u5f9e\u800c\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u7cbe\u78ba\u5339\u914d\u9084\u662f\u6a21\u7cca\u5339\u914d\uff0c\u9078\u64c7\u5408\u9069\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u90fd\u662f\u6210\u529f\u7684\u95dc\u9375\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u7ba1\u7406\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5b58\u5132\u9084\u662f\u6578\u64da\u8655\u7406\uff0c<a 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