{"id":112754,"date":"2026-10-04T19:49:08","date_gmt":"2026-10-04T11:49:08","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/112754.html"},"modified":"2026-10-04T19:49:08","modified_gmt":"2026-10-04T11:49:08","slug":"%e3%80%90python%e9%87%8f%e5%8c%96%e7%b3%bb%e7%bb%9f%e5%b7%a5%e7%a8%8b%e5%ae%9e%e6%88%98-01%e3%80%91%e6%95%b0%e6%8d%ae%e5%ad%98%e5%82%a8%e9%80%89%e5%9e%8b-csvsqlitemysql-%e5%af%b9%e6%af%94%e4%b8%8e-sq","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/112754.html","title":{"rendered":"\u3010Python\u91cf\u5316\u7cfb\u7edf\u5de5\u7a0b\u5b9e\u6218 #01\u3011\u6570\u636e\u5b58\u50a8\u9009\u578b CSVSQLiteMySQL \u5bf9\u6bd4\u4e0e SQLite \u5b9e\u6218\u5efa\u5e93"},"content":{"rendered":"<p>\u7cfb\u5217\u5f00\u7bc7&#xff1a;\u4ece\u300c\u4f1a\u5199\u7b56\u7565\u300d\u63a8\u8fdb\u5230\u300c\u4f1a\u642d\u7cfb\u7edf\u300d\u3002\u672c\u7bc7\u5148\u89e3\u51b3\u6700\u57fa\u7840\u7684\u5b58\u50a8\u9009\u578b\u2014\u2014\u56de\u6d4b\u548c\u5b9e\u76d8\u90fd\u8981\u628a K \u7ebf\u843d\u5230\u672c\u5730&#xff0c;\u4e09\u79cd\u65b9\u6848\u600e\u4e48\u9009&#xff1f;<\/p>\n<h3>\u4e00\u3001\u4e3a\u4ec0\u4e48\u5b58\u50a8\u9009\u578b\u662f\u5de5\u7a0b\u5316\u7684\u7b2c\u4e00\u9053\u574e<\/h3>\n<p>\u5f88\u591a\u91cf\u5316\u65b0\u624b\u5199\u5b8c\u7b56\u7565&#xff0c;\u8dd1\u5b8c\u56de\u6d4b\u5c31\u628a DataFrame \u7559\u5728\u5185\u5b58\u91cc\u2014\u2014\u91cd\u542f\u4e00\u6b21&#xff0c;\u6a21\u578b\u5168\u6ca1\u4e86\u3002\u6216\u8005\u66f4\u7cdf&#xff1a;\u7528 Excel \u5b58\u4e86\u51e0\u4e07\u884c&#xff0c;\u6bcf\u6b21\u6253\u5f00\u90fd\u5361\u5341\u51e0\u79d2&#xff0c;\u7b49\u5230\u53d1\u73b0\u6570\u636e\u5df2\u7ecf\u8fc7\u65f6\u4e00\u661f\u671f\u4e86\u3002<\/p>\n<p>\u5f53\u4f60\u4ece\u300c\u7814\u7a76\u811a\u672c\u300d\u8d70\u5411\u300c\u81ea\u52a8\u8dd1\u8d77\u6765\u300d&#xff0c;\u5b58\u50a8\u5fc5\u987b\u5148\u5b9a\u4e0b\u6765&#xff1a;<\/p>\n<ul>\n<li>CSV&#xff1a;\u6700\u76f4\u89c2&#xff0c;Excel \u4e5f\u80fd\u6253\u5f00&#xff0c;\u4f46\u91cf\u5927\u4e86\u4f1a\u5361\u3001\u7c7b\u578b\u63a8\u65ad\u4f1a\u9519<\/li>\n<li>SQLite&#xff1a;\u5355\u6587\u4ef6\u6570\u636e\u5e93&#xff0c;\u96f6\u90e8\u7f72&#xff0c;1 \u5343\u4e07\u884c\u4e5f\u80fd\u79d2\u7ea7\u67e5\u8be2<\/li>\n<li>MySQL&#xff1a;\u751f\u4ea7\u7ea7&#xff0c;\u4f46\u8981\u88c5\u670d\u52a1\u3001\u641e\u8d26\u53f7\u3001\u505a\u5907\u4efd<\/li>\n<\/ul>\n<p>\u672c\u6587\u7ed9\u4f60\u4e00\u4efd\u5b9e\u6d4b\u5bf9\u6bd4 &#043; \u9009\u578b\u51b3\u7b56\u8868&#xff0c;\u5e76\u5e26\u4e00\u4efd SQLite \u5b9e\u6218\u5efa\u5e93\u811a\u672c&#xff0c;\u770b\u5b8c\u5c31\u80fd\u9009\u5bf9\u3002<\/p>\n<h3>\u4e8c\u3001\u672c\u6587\u4f60\u5c06\u5f97\u5230\u4ec0\u4e48<\/h3>\n<li>\u4e09\u79cd\u65b9\u6848\u5b9e\u6d4b\u5bf9\u6bd4&#xff1a;1000 \u884c\u65e5\u7ebf\u7684\u5199\u5165\/\u67e5\u8be2\/\u4f53\u79ef\u6570\u636e<\/li>\n<li>\u91cf\u5316\u573a\u666f\u9009\u578b\u51b3\u7b56\u8868&#xff1a;\u6309\u6570\u636e\u89c4\u6a21\u76f4\u63a5\u5bf9\u53f7\u5165\u5ea7<\/li>\n<li>SQLite \u5b9e\u6218\u5efa\u5e93\u4ee3\u7801&#xff1a;\u5efa\u8868 &#043; \u7d22\u5f15 &#043; \u6279\u91cf upsert&#xff0c;\u5355\u6587\u4ef6\u5373\u7528<\/li>\n<li>CSV \u771f\u5b9e\u4f7f\u7528\u9677\u9631&#xff1a;\u4e3a\u4ec0\u4e48 pandas.read_csv \u4f1a\u8ba9\u4f60\u7684\u80a1\u7968\u4ee3\u7801\u300c\u6d88\u5931\u300d<\/li>\n<h3>\u4e09\u3001\u5bf9\u6bd4\u65b9\u6848\u6982\u89c8<\/h3>\n<table>\n<tr>\u65b9\u6848\u9002\u7528\u89c4\u6a21\u90e8\u7f72\u590d\u6742\u5ea6\u5178\u578b\u5de5\u5177\u94fe<\/tr>\n<tbody>\n<tr>\n<td>CSV<\/td>\n<td>&lt; 1 \u4e07\u884c<\/td>\n<td>\u96f6<\/td>\n<td>pandas \/ csv \u6a21\u5757<\/td>\n<\/tr>\n<tr>\n<td>SQLite<\/td>\n<td>1 \u4e07 ~ 1 \u5343\u4e07\u884c<\/td>\n<td>\u96f6&#xff08;\u5355\u6587\u4ef6&#xff09;<\/td>\n<td>sqlite3 \/ pandas<\/td>\n<\/tr>\n<tr>\n<td>MySQL<\/td>\n<td>&gt; 1 \u5343\u4e07\u884c \/ \u591a\u7528\u6237<\/td>\n<td>\u9ad8<\/td>\n<td>pymysql \/ SQLAlchemy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u76f4\u89c2\u5370\u8c61&#xff1a;CSV \u50cf\u8bb0\u4e8b\u672c&#xff0c;SQLite \u50cf\u5355\u6587\u4ef6 Excel&#xff0c;MySQL \u50cf\u56e2\u961f\u5171\u4eab\u6570\u636e\u5e93\u670d\u52a1\u5668\u3002<\/p>\n<h3>\u56db\u3001\u5b9e\u6d4b\u5bf9\u6bd4&#xff1a;CSV vs SQLite<\/h3>\n<p>\u6211\u7528 1000 \u884c\u6a21\u62df\u65e5\u7ebf&#xff08;\u80a1\u7968 600519&#xff0c;\u8de8\u5ea6 2023-03 \u5230 2025-12&#xff09;&#xff0c;\u5206\u522b\u8d70 CSV \u548c SQLite \u8def\u5f84&#xff0c;\u5bf9\u6bd4\u56db\u79cd\u64cd\u4f5c\u7684\u8017\u65f6\u4e0e\u4f53\u79ef\u3002\u5b8c\u6574\u6d4b\u8bd5\u4ee3\u7801\u5982\u4e0b&#xff1a;<\/p>\n<p><span class=\"token keyword\">from<\/span> mairui <span class=\"token keyword\">import<\/span> Client<br \/>\n<span class=\"token keyword\">import<\/span> pandas <span class=\"token keyword\">as<\/span> pd<br \/>\n<span class=\"token keyword\">import<\/span> numpy <span class=\"token keyword\">as<\/span> np<br \/>\n<span class=\"token keyword\">import<\/span> time<span class=\"token punctuation\">,<\/span> sqlite3<\/p>\n<p><span class=\"token comment\"># \u6f14\u793a\u8bc1\u4e66&#xff08;\u5bf9\u5916\u793a\u4f8b\u7528&#xff1b;\u5b9e\u9645\u9879\u76ee\u5efa\u8bae\u653e\u73af\u5883\u53d8\u91cf&#xff09;<\/span><br \/>\nclient <span class=\"token operator\">&#061;<\/span> Client<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;LICENCE-66D8-9F96-0C7F0FBCD073&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u53d6\u771f\u5b9e\u65e5\u7ebf&#xff08;\u6f14\u793a\u8bc1\u53ef\u62c9\u5230 60 \u4e2a\u4ea4\u6613\u65e5&#xff09;<\/span><br \/>\nraw <span class=\"token operator\">&#061;<\/span> client<span class=\"token punctuation\">.<\/span>stock_history<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;600519&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;d&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;f&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf <span class=\"token operator\">&#061;<\/span> pd<span class=\"token punctuation\">.<\/span>DataFrame<span class=\"token punctuation\">(<\/span>raw<span class=\"token punctuation\">)<\/span><br \/>\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;date&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> pd<span class=\"token punctuation\">.<\/span>to_datetime<span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;t&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span>dt<span class=\"token punctuation\">.<\/span>strftime<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;%Y-%m-%d&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf <span class=\"token operator\">&#061;<\/span> df<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;date&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;o&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;h&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;l&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;c&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;pc&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;v&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span>rename<span class=\"token punctuation\">(<\/span><br \/>\n    columns<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;o&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;open&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;h&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;high&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;l&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;low&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;c&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;close&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;pc&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;pre_close&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;v&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;volume&#034;<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><br \/>\ndf<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;stock&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;600519&#034;<\/span><\/p>\n<p><span class=\"token comment\"># \u6784\u9020 1000 \u884c\u6d4b\u8bd5\u6570\u636e&#xff08;\u4ec5\u7528\u771f\u5b9e\u9996\u65e5\u6570\u636e\u6269\u5c55&#xff0c;\u907f\u514d\u6f14\u793a\u8bc1\u6570\u636e\u91cf\u9650\u5236&#xff09;<\/span><br \/>\nnp<span class=\"token punctuation\">.<\/span>random<span class=\"token punctuation\">.<\/span>seed<span class=\"token punctuation\">(<\/span><span class=\"token number\">42<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf <span class=\"token operator\">&#061;<\/span> pd<span class=\"token punctuation\">.<\/span>concat<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span>df<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">25<\/span><span class=\"token punctuation\">,<\/span> ignore_index<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">True<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">:<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">]<\/span><br \/>\n<span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;[data] <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span><span class=\"token builtin\">len<\/span><span class=\"token punctuation\">(<\/span>df<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u884c, <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;date&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">min<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> -&gt; <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>df<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#039;date&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">.<\/span><span class=\"token builtin\">max<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\">&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u65b9\u6848 A&#xff1a;CSV &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\ncsv_path <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;kline.csv&#034;<\/span><br \/>\ndf<span class=\"token punctuation\">.<\/span>to_csv<span class=\"token punctuation\">(<\/span>csv_path<span class=\"token punctuation\">,<\/span> index<span class=\"token operator\">&#061;<\/span><span class=\"token boolean\">False<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>t0 <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf_csv <span class=\"token operator\">&#061;<\/span> pd<span class=\"token punctuation\">.<\/span>read_csv<span class=\"token punctuation\">(<\/span>csv_path<span class=\"token punctuation\">)<\/span><br \/>\nt_csv_full <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> t0<\/p>\n<p>t0 <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf_csv_filt <span class=\"token operator\">&#061;<\/span> pd<span class=\"token punctuation\">.<\/span>read_csv<span class=\"token punctuation\">(<\/span>csv_path<span class=\"token punctuation\">)<\/span><br \/>\ndf_csv_filt <span class=\"token operator\">&#061;<\/span> df_csv_filt<span class=\"token punctuation\">[<\/span>df_csv_filt<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;date&#034;<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&gt;&#061;<\/span> <span class=\"token string\">&#034;2025-10-01&#034;<\/span><span class=\"token punctuation\">]<\/span><br \/>\nt_csv_range <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> t0<\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;[CSV]  \u4f53\u79ef <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>os<span class=\"token punctuation\">.<\/span>path<span class=\"token punctuation\">.<\/span>getsize<span class=\"token punctuation\">(<\/span>csv_path<span class=\"token punctuation\">)<\/span><span class=\"token operator\">\/<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">:<\/span><span class=\"token format-spec\">.1f<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> KB | &#034;<\/span><\/span><br \/>\n      <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u8bfb\u5168\u8868 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>t_csv_full<span class=\"token operator\">*<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">:<\/span><span class=\"token format-spec\">.2f<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> ms | &#034;<\/span><\/span><br \/>\n      <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u65e5\u671f\u8fc7\u6ee4 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>t_csv_range<span class=\"token operator\">*<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">:<\/span><span class=\"token format-spec\">.2f<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> ms&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u65b9\u6848 B&#xff1a;SQLite &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/span><br \/>\ndb_path <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;kline.db&#034;<\/span><br \/>\nconn <span class=\"token operator\">&#061;<\/span> sqlite3<span class=\"token punctuation\">.<\/span>connect<span class=\"token punctuation\">(<\/span>db_path<span class=\"token punctuation\">)<\/span><br \/>\ncur <span class=\"token operator\">&#061;<\/span> conn<span class=\"token punctuation\">.<\/span>cursor<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\ncur<span class=\"token punctuation\">.<\/span>execute<span class=\"token punctuation\">(<\/span><span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\nCREATE TABLE kline (<br \/>\n    date TEXT NOT NULL,<br \/>\n    stock TEXT NOT NULL,<br \/>\n    open REAL, high REAL, low REAL, close REAL,<br \/>\n    pre_close REAL, volume INTEGER,<br \/>\n    PRIMARY KEY (date, stock)<br \/>\n)<br \/>\n&#034;&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ncur<span class=\"token punctuation\">.<\/span>execute<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CREATE INDEX idx_kline_stock ON kline(stock)&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\ncur<span class=\"token punctuation\">.<\/span>execute<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CREATE INDEX idx_kline_date ON kline(date)&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\nconn<span class=\"token punctuation\">.<\/span>commit<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u6279\u91cf\u5199\u5165<\/span><br \/>\ncur<span class=\"token punctuation\">.<\/span>executemany<span class=\"token punctuation\">(<\/span><span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\nINSERT INTO kline (date, stock, open, high, low, close, pre_close, volume)<br \/>\nVALUES (:date, :stock, :open, :high, :low, :close, :pre_close, :volume)<br \/>\n&#034;&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span> df<span class=\"token punctuation\">.<\/span>to_dict<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;records&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\nconn<span class=\"token punctuation\">.<\/span>commit<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>t0 <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf_sql <span class=\"token operator\">&#061;<\/span> pd<span class=\"token punctuation\">.<\/span>read_sql<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SELECT * FROM kline&#034;<\/span><span class=\"token punctuation\">,<\/span> conn<span class=\"token punctuation\">)<\/span><br \/>\nt_sql_full <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> t0<\/p>\n<p>t0 <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\ndf_sql_filt <span class=\"token operator\">&#061;<\/span> pd<span class=\"token punctuation\">.<\/span>read_sql<span class=\"token punctuation\">(<\/span><br \/>\n    <span class=\"token string\">&#034;SELECT * FROM kline WHERE date &gt;&#061; ?&#034;<\/span><span class=\"token punctuation\">,<\/span> conn<span class=\"token punctuation\">,<\/span> params<span class=\"token operator\">&#061;<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;2025-10-01&#034;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">)<\/span><br \/>\nt_sql_range <span class=\"token operator\">&#061;<\/span> time<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> t0<\/p>\n<p>conn<span class=\"token punctuation\">.<\/span>close<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;[SQLite] \u4f53\u79ef <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>os<span class=\"token punctuation\">.<\/span>path<span class=\"token punctuation\">.<\/span>getsize<span class=\"token punctuation\">(<\/span>db_path<span class=\"token punctuation\">)<\/span><span class=\"token operator\">\/<\/span><span class=\"token number\">1024<\/span><span class=\"token punctuation\">:<\/span><span class=\"token format-spec\">.1f<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> KB | &#034;<\/span><\/span><br \/>\n      <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u8bfb\u5168\u8868 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>t_sql_full<span class=\"token operator\">*<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">:<\/span><span class=\"token format-spec\">.2f<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> ms | &#034;<\/span><\/span><br \/>\n      <span class=\"token string-interpolation\"><span class=\"token string\">f&#034;\u65e5\u671f\u8fc7\u6ee4 <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>t_sql_range<span class=\"token operator\">*<\/span><span class=\"token number\">1000<\/span><span class=\"token punctuation\">:<\/span><span class=\"token format-spec\">.2f<\/span><span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> ms&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>\u5b9e\u6d4b\u8f93\u51fa&#xff08;\u6f14\u793a\u6570\u636e 1000 \u884c&#xff09;&#xff1a;<\/p>\n<p>\u65b9\u6848    | \u5199\u5165 ms | \u5168\u8868\u8bfb ms | \u65e5\u671f\u8fc7\u6ee4 ms | \u80a1\u7968\u8fc7\u6ee4 ms | \u4f53\u79ef KB<br \/>\n&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;<br \/>\nCSV     |   18.51 |     17.49 |       7.07 |       6.04 |     77.1<br \/>\nSQLite  |   22.74 |      5.59 |       1.03 |       4.03 |    168.0<\/p>\n<p>\u5173\u952e\u7ed3\u8bba&#xff1a;<\/p>\n<ul>\n<li>CSV \u4f53\u79ef\u66f4\u5c0f&#xff08;77 KB vs 168 KB&#xff09;&#xff0c;\u56e0\u4e3a SQLite \u8981\u5b58\u7d22\u5f15<\/li>\n<li>SQLite \u67e5\u8be2\u5feb\u5f97\u591a&#xff1a;\u65e5\u671f\u8fc7\u6ee4 1.03 ms&#xff08;CSV 7 ms&#xff0c;\u7ea6 7 \u500d\u52a0\u901f&#xff09;<\/li>\n<li>\u5199\u5165 CSV \u7565\u5feb\u4e00\u70b9\u70b9&#xff08;22 vs 18 ms&#xff09;&#xff0c;\u5dee\u8ddd\u53ef\u5ffd\u7565<\/li>\n<\/ul>\n<h3>\u4e94\u3001SQLite \u5b9e\u6218\u5efa\u5e93&#xff1a;\u53ef\u590d\u7528\u4ee3\u7801<\/h3>\n<p>\u5982\u679c\u4f60\u5df2\u7ecf\u51b3\u5b9a\u7528 SQLite&#xff0c;\u4e0b\u9762\u8fd9\u6bb5\u811a\u672c\u662f\u65e5\u5e38\u5efa\u5e93\u7684\u6700\u5c0f\u53ef\u7528\u7248\u672c&#xff1a;<\/p>\n<p><span class=\"token keyword\">import<\/span> sqlite3<br \/>\n<span class=\"token keyword\">from<\/span> pathlib <span class=\"token keyword\">import<\/span> Path<\/p>\n<p>DB_PATH <span class=\"token operator\">&#061;<\/span> Path<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;quant.db&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">init_db<\/span><span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">:<\/span> Path <span class=\"token operator\">&#061;<\/span> DB_PATH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u5e42\u7b49\u5efa\u8868&#xff1a;\u91cd\u590d\u8c03\u7528\u4e0d\u62a5\u9519&#034;&#034;&#034;<\/span><br \/>\n    conn <span class=\"token operator\">&#061;<\/span> sqlite3<span class=\"token punctuation\">.<\/span>connect<span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">)<\/span><br \/>\n    cur <span class=\"token operator\">&#061;<\/span> conn<span class=\"token punctuation\">.<\/span>cursor<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token comment\"># 1. K \u7ebf\u8868&#xff08;\u6700\u5e38\u7528&#xff09;<\/span><br \/>\n    cur<span class=\"token punctuation\">.<\/span>execute<span class=\"token punctuation\">(<\/span><span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n    CREATE TABLE IF NOT EXISTS kline (<br \/>\n        date TEXT NOT NULL,<br \/>\n        stock TEXT NOT NULL,<br \/>\n        open REAL, high REAL, low REAL, close REAL,<br \/>\n        pre_close REAL, volume INTEGER, amount REAL,<br \/>\n        PRIMARY KEY (date, stock)<br \/>\n    )<br \/>\n    &#034;&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    cur<span class=\"token punctuation\">.<\/span>execute<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CREATE INDEX IF NOT EXISTS idx_kline_stock ON kline(stock)&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    cur<span class=\"token punctuation\">.<\/span>execute<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;CREATE INDEX IF NOT EXISTS idx_kline_date ON kline(date)&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token comment\"># 2. \u4fe1\u53f7\/\u6301\u4ed3\u8868<\/span><br \/>\n    cur<span class=\"token punctuation\">.<\/span>execute<span class=\"token punctuation\">(<\/span><span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n    CREATE TABLE IF NOT EXISTS signals (<br \/>\n        id INTEGER PRIMARY KEY AUTOINCREMENT,<br \/>\n        date TEXT NOT NULL,<br \/>\n        stock TEXT NOT NULL,<br \/>\n        action TEXT NOT NULL,<br \/>\n        price REAL,<br \/>\n        note TEXT<br \/>\n    )<br \/>\n    &#034;&#034;&#034;<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    conn<span class=\"token punctuation\">.<\/span>commit<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    conn<span class=\"token punctuation\">.<\/span>close<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">print<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-interpolation\"><span class=\"token string\">f&#034;[ok] <\/span><span class=\"token interpolation\"><span class=\"token punctuation\">{<\/span>path<span class=\"token punctuation\">}<\/span><\/span><span class=\"token string\"> \u5df2\u5c31\u7eea&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token keyword\">def<\/span> <span class=\"token function\">upsert_kline<\/span><span class=\"token punctuation\">(<\/span>rows<span class=\"token punctuation\">,<\/span> path<span class=\"token punctuation\">:<\/span> Path <span class=\"token operator\">&#061;<\/span> DB_PATH<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token triple-quoted-string string\">&#034;&#034;&#034;\u6279\u91cf upsert&#xff1a;\u5b58\u5728\u5219\u8986\u76d6&#xff0c;\u4e0d\u5b58\u5728\u5219\u63d2\u5165&#034;&#034;&#034;<\/span><br \/>\n    conn <span class=\"token operator\">&#061;<\/span> sqlite3<span class=\"token punctuation\">.<\/span>connect<span class=\"token punctuation\">(<\/span>path<span class=\"token punctuation\">)<\/span><br \/>\n    cur <span class=\"token operator\">&#061;<\/span> conn<span class=\"token punctuation\">.<\/span>cursor<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    cur<span class=\"token punctuation\">.<\/span>executemany<span class=\"token punctuation\">(<\/span><span class=\"token triple-quoted-string string\">&#034;&#034;&#034;<br \/>\n    INSERT INTO kline (date, stock, open, high, low, close, pre_close, volume, amount)<br \/>\n    VALUES (:date, :stock, :open, :high, :low, :close, :pre_close, :volume, :amount)<br \/>\n    ON CONFLICT (date, stock) DO UPDATE SET<br \/>\n        open&#061;excluded.open, high&#061;excluded.high,<br \/>\n        low&#061;excluded.low, close&#061;excluded.close,<br \/>\n        pre_close&#061;excluded.pre_close,<br \/>\n        volume&#061;excluded.volume, amount&#061;excluded.amount<br \/>\n    &#034;&#034;&#034;<\/span><span class=\"token punctuation\">,<\/span> rows<span class=\"token punctuation\">)<\/span><br \/>\n    conn<span class=\"token punctuation\">.<\/span>commit<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    conn<span class=\"token punctuation\">.<\/span>close<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p><span class=\"token comment\"># \u8c03\u7528<\/span><br \/>\ninit_db<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token comment\"># upsert_kline(df.to_dict(&#034;records&#034;))  # \u628a\u62c9\u5230\u7684 K \u7ebf\u5199\u8fdb\u53bb<\/span><\/p>\n<p>\u4e24\u4e2a\u5173\u952e\u8bbe\u8ba1&#xff1a;<\/p>\n<li>\u590d\u5408\u4e3b\u952e (date, stock)&#xff1a;\u540c\u4e00\u53ea\u80a1\u7968\u540c\u4e00\u5929\u53ea\u80fd\u6709\u4e00\u6761\u8bb0\u5f55&#xff0c;\u91cd\u590d\u63d2\u5165\u81ea\u52a8 upsert<\/li>\n<li>\u80a1\u7968\u4ee3\u7801\u5b58 TEXT&#xff1a;\u5343\u4e07\u4e0d\u8981\u7528 INTEGER&#xff0c;\u5426\u5219 600519 \/ 000001 \u8fd9\u79cd\u524d\u5bfc 0 \u7684\u4ee3\u7801\u4f1a\u88ab\u622a\u65ad&#xff08;\u8fd9\u662f CSV \u4e5f\u7ffb\u8f66\u7684\u540c\u4e00\u4e2a\u5751&#xff09;<\/li>\n<h3>\u516d\u3001\u9009\u578b\u51b3\u7b56\u8868<\/h3>\n<table>\n<tr>\u573a\u666f\u63a8\u8350\u5173\u952e\u7406\u7531<\/tr>\n<tbody>\n<tr>\n<td>\u5b66\u4e60\/\u539f\u578b &lt; 1 \u4e07\u884c<\/td>\n<td>CSV<\/td>\n<td>Excel \u80fd\u6253\u5f00&#xff0c;\u8c03\u8bd5\u6700\u5feb<\/td>\n<\/tr>\n<tr>\n<td>\u4e2a\u4eba\u91cf\u5316\u7814\u7a76 1 \u4e07 ~ 1 \u5343\u4e07\u884c<\/td>\n<td>SQLite<\/td>\n<td>\u5355\u6587\u4ef6\u3001\u96f6\u90e8\u7f72\u3001\u67e5\u8be2\u5feb<\/td>\n<\/tr>\n<tr>\n<td>\u56e2\u961f\/\u591a\u7b56\u7565\/\u751f\u4ea7 &gt; 1 \u5343\u4e07\u884c<\/td>\n<td>MySQL<\/td>\n<td>\u5e76\u53d1\u8bfb\u5199\u3001\u5907\u4efd\u6062\u590d\u3001\u6743\u9650\u7ba1\u7406<\/td>\n<\/tr>\n<tr>\n<td>\u591a\u673a\u5668\u5171\u7528\u540c\u4e00\u4efd\u6570\u636e<\/td>\n<td>MySQL<\/td>\n<td>SQLite \u6587\u4ef6\u9501\u4e0d\u652f\u6301\u9ad8\u5e76\u53d1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u7ecf\u9a8c\u9608\u503c&#xff1a;5000 \u53ea A \u80a1 \u00d7 10 \u5e74\u65e5\u7ebf \u2248 1,200 \u4e07\u884c&#xff0c;\u843d\u5728 SQLite \u4e0a\u9650\u8fb9\u7f18&#xff1b;\u5982\u679c\u4f60\u6253\u7b97\u5b58\u5206\u949f\u7ea7\u6570\u636e&#xff0c;5 \u5e74\u5c31\u80fd\u628a SQLite \u63a8\u5230\u5343\u4e07\u7ea7&#xff0c;\u6240\u4ee5\u4e0a MySQL \u4e0d\u4e8f\u3002<\/p>\n<h3>\u516b\u3001\u5e38\u89c1\u5751<\/h3>\n<li>CSV \u7684 dtypes \u63a8\u65ad\u9677\u9631&#xff1a;pd.read_csv(&#034;xxx.csv&#034;) \u9ed8\u8ba4\u6309\u503c\u63a8\u65ad\u7c7b\u578b&#xff0c;600519 \u53ef\u80fd\u88ab\u8bc6\u522b\u6210 int64 \u7136\u540e\u4e22\u5931\u524d\u5bfc 0\u3002\u89e3\u51b3\u529e\u6cd5&#xff1a;pd.read_csv(path, dtype&#061;{&#034;stock&#034;: str}) \u663e\u5f0f\u6307\u5b9a\u7c7b\u578b\u3002<\/li>\n<li>SQLite \u6587\u4ef6\u9501&#xff1a;\u5355\u6587\u4ef6\u4e0d\u652f\u6301\u591a\u8fdb\u7a0b\u5e76\u53d1\u5199\u3002\u591a\u7b56\u7565\u5e76\u884c\u573a\u666f&#xff0c;\u8981\u4e48\u6309\u7b56\u7565\u5206\u5e93\u3001\u8981\u4e48\u7528 WAL \u6a21\u5f0f&#xff08;conn.execute(&#034;PRAGMA journal_mode&#061;WAL&#034;)&#xff09;\u3002<\/li>\n<li>MySQL \u8fde\u63a5\u6c60\u6f0f\u6389&#xff1a;\u7528 SQLAlchemy \u65f6\u8bb0\u5f97 engine.dispose()&#xff0c;\u5426\u5219\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u91cf\u5316\u7cfb\u7edf\u4f1a\u8017\u5c3d\u8fde\u63a5\u3002<\/li>\n<li>\u6f14\u793a\u6570\u636e \u2260 \u771f\u5b9e\u573a\u666f&#xff1a;\u672c\u6587\u6d4b\u8bd5 1000 \u884c&#xff0c;\u6b63\u5f0f\u8dd1 5000 \u53ea \u00d7 10 \u5e74 \u2248 1200 \u4e07\u884c&#xff0c;\u6240\u6709\u65b9\u6848\u6027\u80fd\u5dee\u8ddd\u4f1a\u62c9\u5927&#xff1b;\u5efa\u8bae\u5728\u9009\u578b\u524d\u5148\u5c0f\u89c4\u6a21\u538b\u6d4b\u3002<\/li>\n<h3>\u4e5d\u3001\u5c0f\u7ed3<\/h3>\n<p>\u672c\u6587\u7528\u4e00\u4efd\u5b9e\u6d4b\u6570\u636e\u56de\u7b54\u4e86\u300c\u6570\u636e\u5b58\u54ea\u91cc\u300d\u7684\u95ee\u9898\u3002\u6838\u5fc3\u7ed3\u8bba&#xff1a;<\/p>\n<ul>\n<li>&lt; 1 \u4e07\u884c&#xff1a;CSV \u8db3\u591f<\/li>\n<li>1 \u4e07 ~ 1 \u5343\u4e07\u884c&#xff1a;SQLite \u662f\u6700\u4f18\u89e3&#xff08;\u5355\u6587\u4ef6\u3001\u96f6\u90e8\u7f72\u3001\u67e5\u8be2\u5feb&#xff09;<\/li>\n<li>&gt; 1 \u5343\u4e07\u884c \/ \u591a\u7528\u6237&#xff1a;MySQL<\/li>\n<li>SQLite \u5efa\u8868\u5fc5\u5907&#xff1a;\u590d\u5408\u4e3b\u952e (date, stock) &#043; \u5b57\u6bb5\u7c7b\u578b\u663e\u5f0f\u6307\u5b9a &#043; \u81f3\u5c11 2 \u4e2a\u7d22\u5f15<\/li>\n<\/ul>\n<p>\u4e0b\u4e00\u7bc7&#xff08;#02&#xff09;\u6211\u4eec\u5c06\u89e3\u51b3\u300c\u6570\u636e\u91cf\u5927\u4e86\u600e\u4e48\u589e\u91cf\u66f4\u65b0\u300d\u2014\u2014\u6bcf\u5929\u624b\u52a8\u8dd1\u5168\u91cf\u592a\u6162&#xff0c;\u7528 APScheduler \u642d\u4e00\u6761\u300c\u53ea\u62c9\u65b0\u6570\u636e\u300d\u7684\u81ea\u52a8\u91c7\u96c6\u6d41\u6c34\u7ebf\u3002<\/p>\n<hr \/>\n<p>\u514d\u8d23\u58f0\u660e&#xff1a;\u672c\u6587\u4ec5\u4f9b\u6280\u672f\u5b66\u4e60\u4ea4\u6d41&#xff0c;\u4e0d\u6784\u6210\u4efb\u4f55\u6295\u8d44\u5efa\u8bae\u3002\u91cf\u5316\u7b56\u7565\u56de\u6d4b\u8868\u73b0\u4e0d\u4ee3\u8868\u672a\u6765\u6536\u76ca&#xff0c;\u6295\u8d44\u6709\u98ce\u9669&#xff0c;\u51b3\u7b56\u9700\u8c28\u614e\u3002<\/p>\n<p>\u4ee3\u7801\u4e0e\u6587\u6863&#xff1a;https:\/\/github.com\/MaiRuiApi<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7cfb\u5217\u5f00\u7bc7&#xff1a;\u4ece\u300c\u4f1a\u5199\u7b56\u7565\u300d\u63a8\u8fdb\u5230\u300c\u4f1a\u642d\u7cfb\u7edf\u300d\u3002\u672c\u7bc7\u5148\u89e3\u51b3\u6700\u57fa\u7840\u7684\u5b58\u50a8\u9009\u578b\u2014\u2014\u56de\u6d4b\u548c\u5b9e\u76d8\u90fd\u8981\u628a K \u7ebf\u843d\u5230\u672c\u5730&#xff0c;\u4e09\u79cd\u65b9\u6848\u600e\u4e48\u9009&#xff1f;\u4e00\u3001\u4e3a\u4ec0\u4e48\u5b58\u50a8\u9009\u578b\u662f\u5de5\u7a0b\u5316\u7684\u7b2c\u4e00\u9053\u574e<br \/>\n\u5f88\u591a\u91cf\u5316\u65b0\u624b\u5199\u5b8c\u7b56\u7565&#xff0c;\u8dd1\u5b8c\u56de\u6d4b\u5c31\u628a DataFrame \u7559\u5728\u5185\u5b58\u91cc\u2014\u2014\u91cd\u542f\u4e00\u6b21&#xff0c;\u6a21\u578b\u5168\u6ca1\u4e86\u3002\u6216\u8005\u66f4\u7cdf&#xff1a;\u7528 Excel \u5b58\u4e86\u51e0\u4e07\u884c&#xff0c;\u6bcf\u6b21\u6253\u5f00\u90fd\u5361\u5341\u51e0\u79d2&#xff0c;\u7b49\u5230\u53d1\u73b0\u6570\u636e\u5df2\u7ecf\u8fc7\u65f6\u4e00\u661f\u671f\u4e86\u3002<br \/>\n\u5f53\u4f60\u4ece\u300c\u7814\u7a76\u811a\u672c\u300d\u8d70\u5411\u300c<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[12127,1612,426,81,2547],"topic":[],"class_list":["post-112754","post","type-post","status-publish","format-standard","hentry","category-server","tag-api","tag-jvm","tag-python","tag-sqlite"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Python\u91cf\u5316\u7cfb\u7edf\u5de5\u7a0b\u5b9e\u6218 #01\u3011\u6570\u636e\u5b58\u50a8\u9009\u578b CSVSQLiteMySQL \u5bf9\u6bd4\u4e0e SQLite \u5b9e\u6218\u5efa\u5e93 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/112754.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Python\u91cf\u5316\u7cfb\u7edf\u5de5\u7a0b\u5b9e\u6218 #01\u3011\u6570\u636e\u5b58\u50a8\u9009\u578b CSVSQLiteMySQL \u5bf9\u6bd4\u4e0e SQLite \u5b9e\u6218\u5efa\u5e93 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u7cfb\u5217\u5f00\u7bc7&#xff1a;\u4ece\u300c\u4f1a\u5199\u7b56\u7565\u300d\u63a8\u8fdb\u5230\u300c\u4f1a\u642d\u7cfb\u7edf\u300d\u3002\u672c\u7bc7\u5148\u89e3\u51b3\u6700\u57fa\u7840\u7684\u5b58\u50a8\u9009\u578b\u2014\u2014\u56de\u6d4b\u548c\u5b9e\u76d8\u90fd\u8981\u628a K \u7ebf\u843d\u5230\u672c\u5730&#xff0c;\u4e09\u79cd\u65b9\u6848\u600e\u4e48\u9009&#xff1f;\u4e00\u3001\u4e3a\u4ec0\u4e48\u5b58\u50a8\u9009\u578b\u662f\u5de5\u7a0b\u5316\u7684\u7b2c\u4e00\u9053\u574e \u5f88\u591a\u91cf\u5316\u65b0\u624b\u5199\u5b8c\u7b56\u7565&#xff0c;\u8dd1\u5b8c\u56de\u6d4b\u5c31\u628a DataFrame \u7559\u5728\u5185\u5b58\u91cc\u2014\u2014\u91cd\u542f\u4e00\u6b21&#xff0c;\u6a21\u578b\u5168\u6ca1\u4e86\u3002\u6216\u8005\u66f4\u7cdf&#xff1a;\u7528 Excel \u5b58\u4e86\u51e0\u4e07\u884c&#xff0c;\u6bcf\u6b21\u6253\u5f00\u90fd\u5361\u5341\u51e0\u79d2&#xff0c;\u7b49\u5230\u53d1\u73b0\u6570\u636e\u5df2\u7ecf\u8fc7\u65f6\u4e00\u661f\u671f\u4e86\u3002 \u5f53\u4f60\u4ece\u300c\u7814\u7a76\u811a\u672c\u300d\u8d70\u5411\u300c\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/112754.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-10-04T11:49:08+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/112754.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/112754.html\",\"name\":\"\u3010Python\u91cf\u5316\u7cfb\u7edf\u5de5\u7a0b\u5b9e\u6218 #01\u3011\u6570\u636e\u5b58\u50a8\u9009\u578b CSVSQLiteMySQL \u5bf9\u6bd4\u4e0e SQLite \u5b9e\u6218\u5efa\u5e93 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-10-04T11:49:08+00:00\",\"dateModified\":\"2026-10-04T11:49:08+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/112754.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/112754.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/112754.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u3010Python\u91cf\u5316\u7cfb\u7edf\u5de5\u7a0b\u5b9e\u6218 #01\u3011\u6570\u636e\u5b58\u50a8\u9009\u578b CSVSQLiteMySQL \u5bf9\u6bd4\u4e0e SQLite \u5b9e\u6218\u5efa\u5e93\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u3010Python\u91cf\u5316\u7cfb\u7edf\u5de5\u7a0b\u5b9e\u6218 #01\u3011\u6570\u636e\u5b58\u50a8\u9009\u578b CSVSQLiteMySQL \u5bf9\u6bd4\u4e0e SQLite \u5b9e\u6218\u5efa\u5e93 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/112754.html","og_locale":"zh_CN","og_type":"article","og_title":"\u3010Python\u91cf\u5316\u7cfb\u7edf\u5de5\u7a0b\u5b9e\u6218 #01\u3011\u6570\u636e\u5b58\u50a8\u9009\u578b CSVSQLiteMySQL \u5bf9\u6bd4\u4e0e SQLite \u5b9e\u6218\u5efa\u5e93 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u7cfb\u5217\u5f00\u7bc7&#xff1a;\u4ece\u300c\u4f1a\u5199\u7b56\u7565\u300d\u63a8\u8fdb\u5230\u300c\u4f1a\u642d\u7cfb\u7edf\u300d\u3002\u672c\u7bc7\u5148\u89e3\u51b3\u6700\u57fa\u7840\u7684\u5b58\u50a8\u9009\u578b\u2014\u2014\u56de\u6d4b\u548c\u5b9e\u76d8\u90fd\u8981\u628a K \u7ebf\u843d\u5230\u672c\u5730&#xff0c;\u4e09\u79cd\u65b9\u6848\u600e\u4e48\u9009&#xff1f;\u4e00\u3001\u4e3a\u4ec0\u4e48\u5b58\u50a8\u9009\u578b\u662f\u5de5\u7a0b\u5316\u7684\u7b2c\u4e00\u9053\u574e \u5f88\u591a\u91cf\u5316\u65b0\u624b\u5199\u5b8c\u7b56\u7565&#xff0c;\u8dd1\u5b8c\u56de\u6d4b\u5c31\u628a DataFrame \u7559\u5728\u5185\u5b58\u91cc\u2014\u2014\u91cd\u542f\u4e00\u6b21&#xff0c;\u6a21\u578b\u5168\u6ca1\u4e86\u3002\u6216\u8005\u66f4\u7cdf&#xff1a;\u7528 Excel \u5b58\u4e86\u51e0\u4e07\u884c&#xff0c;\u6bcf\u6b21\u6253\u5f00\u90fd\u5361\u5341\u51e0\u79d2&#xff0c;\u7b49\u5230\u53d1\u73b0\u6570\u636e\u5df2\u7ecf\u8fc7\u65f6\u4e00\u661f\u671f\u4e86\u3002 \u5f53\u4f60\u4ece\u300c\u7814\u7a76\u811a\u672c\u300d\u8d70\u5411\u300c","og_url":"https:\/\/www.wsisp.com\/helps\/112754.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-10-04T11:49:08+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/112754.html","url":"https:\/\/www.wsisp.com\/helps\/112754.html","name":"\u3010Python\u91cf\u5316\u7cfb\u7edf\u5de5\u7a0b\u5b9e\u6218 #01\u3011\u6570\u636e\u5b58\u50a8\u9009\u578b CSVSQLiteMySQL \u5bf9\u6bd4\u4e0e SQLite \u5b9e\u6218\u5efa\u5e93 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-10-04T11:49:08+00:00","dateModified":"2026-10-04T11:49:08+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/112754.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/112754.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/112754.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u3010Python\u91cf\u5316\u7cfb\u7edf\u5de5\u7a0b\u5b9e\u6218 #01\u3011\u6570\u636e\u5b58\u50a8\u9009\u578b CSVSQLiteMySQL \u5bf9\u6bd4\u4e0e SQLite \u5b9e\u6218\u5efa\u5e93"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/112754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=112754"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/112754\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=112754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=112754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=112754"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=112754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}