{"id":179346,"date":"2024-11-09T01:03:26","date_gmt":"2024-11-08T17:03:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179346\/"},"modified":"2024-11-09T01:03:27","modified_gmt":"2024-11-08T17:03:27","slug":"%e5%a6%82%e4%bd%95%e7%94%a8%e8%a1%a8%e6%a0%bc%e7%b5%b1%e8%a8%88%e5%a4%9a%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%9f-%e8%a1%a8%e6%a0%bc%e4%b8%ad%e7%b5%b1%e8%a8%88%e5%a4%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179346\/","title":{"rendered":"\u5982\u4f55\u7528\u8868\u683c\u7d71\u8a08\u591a\u500b\u6578\u64da\u5eab\u7684\u6578\u64da\uff1f (\u8868\u683c\u4e2d\u7d71\u8a08\u591a\u500b\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 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id=\"%e5%a6%82%e4%bd%95%e7%b5%b1%e8%a8%88%e6%95%b8%e6%93%9a%ef%bc%9f-SooaCBGEyg\">\u5982\u4f55\u7d71\u8a08\u6578\u64da\uff1f<\/h2>\n<p>\u7d71\u8a08\u591a\u500b\u6578\u64da\u5eab\u7684\u6578\u64da\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<ol>\n<li><strong>\u9023\u63a5\u6578\u64da\u5eab\uff1a<\/strong>\u4f7f\u7528\u9069\u7576\u7684\u6578\u64da\u5eab\u9a45\u52d5\u7a0b\u5e8f\u9023\u63a5\u5230\u5404\u500b\u6578\u64da\u5eab\u3002<\/li>\n<li><strong>\u63d0\u53d6\u6578\u64da\uff1a<\/strong>\u5f9e\u6bcf\u500b\u6578\u64da\u5eab\u4e2d\u63d0\u53d6\u6240\u9700\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u6578\u64da\u6e05\u7406\uff1a<\/strong>\u5c0d\u63d0\u53d6\u7684\u6578\u64da\u9032\u884c\u6e05\u7406\u548c\u683c\u5f0f\u5316\uff0c\u4ee5\u78ba\u4fdd\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u7d71\u8a08\u5206\u6790\uff1a<\/strong>\u4f7f\u7528\u8868\u683c\u5de5\u5177\u9032\u884c\u6578\u64da\u7d71\u8a08\u548c\u5206\u6790\u3002<\/li>\n<\/ol>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e4%bd%bf%e7%94%a8python%e7%b5%b1%e8%a8%88%e5%a4%9a%e5%80%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e6%95%b8%e6%93%9a-SooaCBGEyg\">\u793a\u4f8b\uff1a\u4f7f\u7528Python\u7d71\u8a08\u591a\u500b\u6578\u64da\u5eab\u7684\u6578\u64da<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Python\u548cPandas\u5eab\u4f86\u7d71\u8a08\u591a\u500b\u6578\u64da\u5eab\u6578\u64da\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import pandas as pd\nimport sqlite3\n\n# \u9023\u63a5\u5230\u6578\u64da\u5eab\ndb1 = sqlite3.connect('database1.db')\ndb2 = sqlite3.connect('database2.db')\n\n# \u63d0\u53d6\u6578\u64da\ndata1 = pd.read_sql_query(\"SELECT * FROM table1\", db1)\ndata2 = pd.read_sql_query(\"SELECT * FROM table2\", db2)\n\n# \u6578\u64da\u6e05\u7406\ndata1['column_name'] = data1['column_name'].str.strip()\ndata2['column_name'] = data2['column_name'].str.strip()\n\n# \u5408\u4f75\u6578\u64da\nmerged_data = pd.concat([data1, data2])\n\n# \u7d71\u8a08\u5206\u6790\nsummary = merged_data.groupby('column_name').agg({'value_column': 'sum'})\n\n# \u8f38\u51fa\u7d50\u679c\nprint(summary)\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u9023\u63a5\u5230\u5169\u500bSQLite\u6578\u64da\u5eab\uff0c\u7136\u5f8c\u63d0\u53d6\u6240\u9700\u7684\u6578\u64da\u3002\u63a5\u8457\uff0c\u6211\u5011\u5c0d\u6578\u64da\u9032\u884c\u6e05\u7406\uff0c\u4e26\u4f7f\u7528Pandas\u7684concat\u51fd\u6578\u5c07\u6578\u64da\u5408\u4f75\u3002\u6700\u5f8c\uff0c\u6211\u5011\u4f7f\u7528groupby\u548cagg\u65b9\u6cd5\u9032\u884c\u7d71\u8a08\u5206\u6790\uff0c\u4e26\u8f38\u51fa\u7d50\u679c\u3002<\/p>\n<h2 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id=\"%e7%b5%90%e8%ab%96-SooaCBGEyg\">\u7d50\u8ad6<\/h2>\n<p>\u7d71\u8a08\u591a\u500b\u6578\u64da\u5eab\u7684\u6578\u64da\u662f\u4e00\u500b\u91cd\u8981\u7684\u904e\u7a0b\uff0c\u53ef\u4ee5\u5e6b\u52a9\u4f01\u696d\u7372\u5f97\u66f4\u6df1\u5165\u7684\u898b\u89e3\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u7de8\u7a0b\u8a9e\u8a00\u5982Python\uff0c\u9084\u662f\u5229\u7528Excel\u7b49\u5de5\u5177\uff0c\u6b63\u78ba\u7684\u65b9\u6cd5\u548c\u6b65\u9a5f\u90fd\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u5206\u6790\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u548c\u8655\u7406\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u652f\u6301\u60a8\u7684\u6578\u64da\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528\u8868\u683c\u6709\u6548\u7d71\u8a08\u591a\u500b\u6578\u64da\u5eab\u7684\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5206\u6790\u6548\u7387\uff0c\u7c21\u5316\u6578\u64da\u6574\u5408\u904e\u7a0b\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-179346","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179346","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=179346"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179346\/revisions"}],"predecessor-version":[{"id":179347,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179346\/revisions\/179347"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}