{"id":924662,"date":"2024-12-26T15:17:14","date_gmt":"2024-12-26T07:17:14","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/924662.html"},"modified":"2024-12-26T15:17:17","modified_gmt":"2024-12-26T07:17:17","slug":"python%e5%a6%82%e4%bd%95%e5%ad%98%e6%a1%a3","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/924662.html","title":{"rendered":"Python\u5982\u4f55\u5b58\u6863"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24212205\/f3e2cfd5-ea82-4d1a-bf0a-c86f6486f696.webp\" alt=\"Python\u5982\u4f55\u5b58\u6863\" \/><\/p>\n<p><p> <strong>Python\u5b58\u6863\u6570\u636e\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u4f7f\u7528pickle\u6a21\u5757\u3001json\u6a21\u5757\u3001csv\u6a21\u5757\u3001\u4ee5\u53ca\u6570\u636e\u5e93\u7b49\u3002<\/strong> \u5176\u4e2d\uff0c<strong>pickle\u6a21\u5757<\/strong>\u662f\u4e00\u79cd\u5c06Python\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41\u5e76\u5b58\u50a8\u7684\u65b9\u6cd5\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5b58\u50a8\u590d\u6742Python\u5bf9\u8c61\u7684\u6570\u636e\u5b58\u6863\uff1b<strong>json\u6a21\u5757<\/strong>\u5219\u9002\u5408\u5b58\u50a8\u7b80\u5355\u7684Python\u6570\u636e\u7c7b\u578b\uff0c\u5982\u5b57\u5178\u548c\u5217\u8868\u7b49\u4e3aJSON\u683c\u5f0f\u7684\u6587\u672c\u6587\u4ef6\uff1b<strong>csv\u6a21\u5757<\/strong>\u5e38\u7528\u4e8e\u5904\u7406\u8868\u683c\u578b\u6570\u636e\uff0c\u5c24\u5176\u662f\u9700\u8981\u4e0eExcel\u4ea4\u4e92\u7684\u6570\u636e\uff1b\u800c\u5bf9\u4e8e\u9700\u8981\u5b58\u50a8\u5927\u91cf\u7ed3\u6784\u5316\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u6570\u636e\u5e93\uff0c\u4f8b\u5982SQLite\u6216SQLAlchemy\u3002\u63a5\u4e0b\u6765\uff0c\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4e2d\u7684\u4e00\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u4f7f\u7528pickle\u6a21\u5757\u5b58\u6863\u6570\u636e\u662fPython\u4e2d\u975e\u5e38\u65b9\u4fbf\u7684\u64cd\u4f5c\u3002pickle\u6a21\u5757\u53ef\u4ee5\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316Python\u5bf9\u8c61\uff0c\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u5c06Python\u5bf9\u8c61\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\uff0c\u5e76\u5728\u4e4b\u540e\u7684\u4efb\u4f55\u65f6\u5019\u5c06\u5176\u6062\u590d\u4e3a\u539f\u6765\u7684\u5bf9\u8c61\u3002pickle\u9002\u7528\u4e8e\u9700\u8981\u5b58\u50a8\u590d\u6742\u6570\u636e\u7ed3\u6784\uff0c\u5982\u81ea\u5b9a\u4e49\u7c7b\u5b9e\u4f8b\u3001\u5d4c\u5957\u7684\u5217\u8868\u548c\u5b57\u5178\u7b49\u3002<\/p>\n<\/p>\n<hr>\n<p><h2>\u4e00\u3001PICKLE\u6a21\u5757<\/h2>\n<\/p>\n<p><h3>1\u3001\u4ec0\u4e48\u662fPICKLE<\/h3>\n<\/p>\n<p><p>Pickle\u6a21\u5757\u662fPython\u7684\u5185\u7f6e\u5e93\uff0c\u7528\u4e8e\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316Python\u5bf9\u8c61\u3002\u5e8f\u5217\u5316\u662f\u6307\u5c06\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41\uff0c\u800c\u53cd\u5e8f\u5217\u5316\u5219\u662f\u5c06\u5b57\u8282\u6d41\u8fd8\u539f\u4e3a\u5bf9\u8c61\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u4e3a\u5c06\u5185\u5b58\u4e2d\u7684\u6570\u636e\u7ed3\u6784\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u65f6\u91cd\u65b0\u52a0\u8f7d\u3002<\/p>\n<\/p>\n<p><h3>2\u3001PICKLE\u7684\u4f7f\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><p>Pickle\u975e\u5e38\u9002\u5408\u7528\u4e8e\u5b58\u6863\u590d\u6742\u7684Python\u5bf9\u8c61\uff0c\u6bd4\u5982\u81ea\u5b9a\u4e49\u7c7b\u5b9e\u4f8b\u3001\u5d4c\u5957\u7684\u6570\u636e\u7ed3\u6784\u7b49\u3002\u5b83\u53ef\u4ee5\u5c06\u51e0\u4e4e\u6240\u6709\u7684Python\u5bf9\u8c61\u8f6c\u5316\u4e3a\u5b57\u8282\u6d41\uff0c\u8fd9\u610f\u5473\u7740\u4f60\u53ef\u4ee5\u5b58\u50a8\u4efb\u4f55\u53ef\u4ee5\u60f3\u8c61\u7684Python\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<\/p>\n<p><h3>3\u3001PICKLE\u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528pickle\u8fdb\u884c\u5b58\u6863\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u5bfc\u5165pickle\u6a21\u5757\u3001\u4f7f\u7528<code>pickle.dump()<\/code>\u65b9\u6cd5\u5c06\u5bf9\u8c61\u5199\u5165\u6587\u4ef6\u3001\u4f7f\u7528<code>pickle.load()<\/code>\u65b9\u6cd5\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import pickle<\/p>\n<h2><strong>\u5e8f\u5217\u5316\u5bf9\u8c61\u5e76\u4fdd\u5b58\u5230\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;data.pkl&#39;, &#39;wb&#39;) as f:<\/p>\n<p>    data = {&#39;key&#39;: &#39;value&#39;, &#39;number&#39;: 42}<\/p>\n<p>    pickle.dump(data, f)<\/p>\n<h2><strong>\u4ece\u6587\u4ef6\u4e2d\u53cd\u5e8f\u5217\u5316\u5bf9\u8c61<\/strong><\/h2>\n<p>with open(&#39;data.pkl&#39;, &#39;rb&#39;) as f:<\/p>\n<p>    loaded_data = pickle.load(f)<\/p>\n<p>    print(loaded_data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u4e8c\u3001JSON\u6a21\u5757<\/h2>\n<\/p>\n<p><h3>1\u3001\u4ec0\u4e48\u662fJSON<\/h3>\n<\/p>\n<p><p>JSON\uff08JavaScript Object Notation\uff09\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u6613\u4e8e\u4eba\u9605\u8bfb\u548c\u7f16\u5199\uff0c\u540c\u65f6\u4e5f\u6613\u4e8e\u673a\u5668\u89e3\u6790\u548c\u751f\u6210\u3002Python\u7684json\u6a21\u5757\u53ef\u4ee5\u5c06Python\u5bf9\u8c61\u8f6c\u6362\u4e3aJSON\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n<\/p>\n<p><h3>2\u3001JSON\u7684\u4f7f\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><p>JSON\u683c\u5f0f\u5e7f\u6cdb\u7528\u4e8e\u7f51\u7edc\u6570\u636e\u4ea4\u6362\uff0c\u7279\u522b\u662f\u5728Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u5b83\u9002\u5408\u5b58\u6863\u7b80\u5355\u7684Python\u6570\u636e\u7ed3\u6784\uff0c\u5982\u5b57\u5178\u548c\u5217\u8868\uff0c\u6570\u636e\u5fc5\u987b\u662fJSON\u652f\u6301\u7684\u6570\u636e\u7c7b\u578b\uff08\u5982\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u5217\u8868\u3001\u5b57\u5178\u7b49\uff09\u3002<\/p>\n<\/p>\n<p><h3>3\u3001JSON\u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528json\u6a21\u5757\u8fdb\u884c\u5b58\u6863\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u5bfc\u5165json\u6a21\u5757\u3001\u4f7f\u7528<code>json.dump()<\/code>\u65b9\u6cd5\u5c06\u5bf9\u8c61\u5199\u5165\u6587\u4ef6\u3001\u4f7f\u7528<code>json.load()<\/code>\u65b9\u6cd5\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5bf9\u8c61\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import json<\/p>\n<h2><strong>\u5c06Python\u5bf9\u8c61\u8f6c\u6362\u4e3aJSON\u683c\u5f0f\u5e76\u5199\u5165\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;data.json&#39;, &#39;w&#39;) as f:<\/p>\n<p>    data = {&#39;key&#39;: &#39;value&#39;, &#39;number&#39;: 42}<\/p>\n<p>    json.dump(data, f)<\/p>\n<h2><strong>\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6JSON\u683c\u5f0f\u7684\u6570\u636e\u5e76\u8f6c\u6362\u4e3aPython\u5bf9\u8c61<\/strong><\/h2>\n<p>with open(&#39;data.json&#39;, &#39;r&#39;) as f:<\/p>\n<p>    loaded_data = json.load(f)<\/p>\n<p>    print(loaded_data)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u4e09\u3001CSV\u6a21\u5757<\/h2>\n<\/p>\n<p><h3>1\u3001\u4ec0\u4e48\u662fCSV<\/h3>\n<\/p>\n<p><p>CSV\uff08Comma-Separated Values\uff09\u662f\u4e00\u79cd\u901a\u7528\u7684\u3001\u7b80\u5355\u7684\u6587\u4ef6\u683c\u5f0f\uff0c\u7528\u4e8e\u5b58\u50a8\u8868\u683c\u6570\u636e\uff08\u6570\u5b57\u548c\u6587\u672c\uff09\u3002CSV\u683c\u5f0f\u6613\u4e8e\u4e0eExcel\u7b49\u7535\u5b50\u8868\u683c\u8f6f\u4ef6\u8fdb\u884c\u4ea4\u4e92\u3002<\/p>\n<\/p>\n<p><h3>2\u3001CSV\u7684\u4f7f\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><p>CSV\u6587\u4ef6\u901a\u5e38\u7528\u4e8e\u5b58\u6863\u548c\u4ea4\u6362\u8868\u683c\u6570\u636e\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u4e0eExcel\u6216\u5176\u4ed6\u8868\u683c\u8f6f\u4ef6\u4ea4\u4e92\u65f6\u3002\u5b83\u9002\u5408\u5b58\u50a8\u4e8c\u7ef4\u6570\u636e\u7ed3\u6784\uff0c\u5982\u884c\u548c\u5217\u3002<\/p>\n<\/p>\n<p><h3>3\u3001CSV\u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528csv\u6a21\u5757\u8fdb\u884c\u5b58\u6863\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u5bfc\u5165csv\u6a21\u5757\u3001\u4f7f\u7528<code>csv.writer()<\/code>\u5199\u5165\u884c\u3001\u4f7f\u7528<code>csv.reader()<\/code>\u8bfb\u53d6\u884c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import csv<\/p>\n<h2><strong>\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;data.csv&#39;, &#39;w&#39;, newline=&#39;&#39;) as f:<\/p>\n<p>    writer = csv.writer(f)<\/p>\n<p>    writer.writerow([&#39;key&#39;, &#39;value&#39;])<\/p>\n<p>    writer.writerow([&#39;number&#39;, 42])<\/p>\n<h2><strong>\u8bfb\u53d6CSV\u6587\u4ef6<\/strong><\/h2>\n<p>with open(&#39;data.csv&#39;, &#39;r&#39;) as f:<\/p>\n<p>    reader = csv.reader(f)<\/p>\n<p>    for row in reader:<\/p>\n<p>        print(row)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u56db\u3001\u6570\u636e\u5e93<\/h2>\n<\/p>\n<p><h3>1\u3001\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93<\/h3>\n<\/p>\n<p><p>\u5bf9\u4e8e\u9700\u8981\u5b58\u6863\u5927\u91cf\u7ed3\u6784\u5316\u6570\u636e\u65f6\uff0c\u6570\u636e\u5e93\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u9009\u62e9\u3002Python\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\u63a5\u53e3\uff0c\u5982SQLite\u3001MySQL\u3001PostgreSQL\u7b49\u3002SQLite\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u5d4c\u5165\u5f0f\u6570\u636e\u5e93\uff0c\u9002\u5408\u5c0f\u578b\u9879\u76ee\u3002<\/p>\n<\/p>\n<p><h3>2\u3001SQLite\u7684\u4f7f\u7528\u573a\u666f<\/h3>\n<\/p>\n<p><p>SQLite\u9002\u5408\u5728\u672c\u5730\u5e94\u7528\u4e2d\u5b58\u6863\u4e2d\u5c0f\u89c4\u6a21\u7684\u6570\u636e\u3002\u5b83\u4e0d\u9700\u8981\u5355\u72ec\u7684\u6570\u636e\u5e93\u670d\u52a1\u5668\uff0c\u6240\u6709\u6570\u636e\u5b58\u50a8\u5728\u4e00\u4e2a\u6587\u4ef6\u4e2d\uff0c\u975e\u5e38\u9002\u5408\u5d4c\u5165\u5f0f\u5e94\u7528\u3002<\/p>\n<\/p>\n<p><h3>3\u3001SQLite\u7684\u57fa\u672c\u7528\u6cd5<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528SQLite\u8fdb\u884c\u5b58\u6863\u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a\u5bfc\u5165sqlite3\u6a21\u5757\u3001\u521b\u5efa\u8fde\u63a5\u3001\u521b\u5efa\u6e38\u6807\u3001\u6267\u884cSQL\u8bed\u53e5\u3001\u63d0\u4ea4\u4e8b\u52a1\u3001\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sqlite3<\/p>\n<h2><strong>\u8fde\u63a5\u5230SQLite\u6570\u636e\u5e93<\/strong><\/h2>\n<p>conn = sqlite3.connect(&#39;data.db&#39;)<\/p>\n<p>cursor = conn.cursor()<\/p>\n<h2><strong>\u521b\u5efa\u8868<\/strong><\/h2>\n<p>cursor.execute(&#39;CREATE TABLE IF NOT EXISTS records (id INTEGER PRIMARY KEY, key TEXT, value INTEGER)&#39;)<\/p>\n<h2><strong>\u63d2\u5165\u6570\u636e<\/strong><\/h2>\n<p>cursor.execute(&#39;INSERT INTO records (key, value) VALUES (?, ?)&#39;, (&#39;number&#39;, 42))<\/p>\n<h2><strong>\u63d0\u4ea4\u4e8b\u52a1<\/strong><\/h2>\n<p>conn.commit()<\/p>\n<h2><strong>\u67e5\u8be2\u6570\u636e<\/strong><\/h2>\n<p>cursor.execute(&#39;SELECT * FROM records&#39;)<\/p>\n<p>rows = cursor.fetchall()<\/p>\n<p>for row in rows:<\/p>\n<p>    print(row)<\/p>\n<h2><strong>\u5173\u95ed\u8fde\u63a5<\/strong><\/h2>\n<p>conn.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>\u4e94\u3001\u603b\u7ed3<\/h2>\n<\/p>\n<p><p>\u5728Python\u4e2d\u5b58\u6863\u6570\u636e\u7684\u9009\u62e9\u53d6\u51b3\u4e8e\u6570\u636e\u7684\u590d\u6742\u6027\u548c\u7528\u9014\u3002\u5bf9\u4e8e\u590d\u6742\u7684Python\u5bf9\u8c61\uff0cpickle\u6a21\u5757\u662f\u4e00\u4e2a\u4e0d\u9519\u7684\u9009\u62e9\uff1b\u5bf9\u4e8e\u7b80\u5355\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528json\u6a21\u5757\uff1b\u9700\u8981\u4e0e\u7535\u5b50\u8868\u683c\u8f6f\u4ef6\u4ea4\u4e92\u65f6\uff0ccsv\u6a21\u5757\u662f\u7406\u60f3\u7684\u9009\u62e9\uff1b\u800c\u5bf9\u4e8e\u9700\u8981\u5b58\u50a8\u5927\u91cf\u7ed3\u6784\u5316\u6570\u636e\u65f6\uff0c\u6570\u636e\u5e93\uff08\u5982SQLite\uff09\u662f\u6700\u4f73\u9009\u62e9\u3002\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u548c\u683c\u5f0f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u5b58\u6863\u6570\u636e\uff0c\u4ee5\u4fbf\u4e8e\u540e\u7eed\u4f7f\u7528\u548c\u5206\u6790\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> 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\/>\u8bfb\u53d6\u5b58\u6863\u6587\u4ef6\u540c\u6837\u7b80\u5355\u3002\u5bf9\u4e8eZIP\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>zipfile<\/code>\u6a21\u5757\u7684<code>ZipFile<\/code>\u7c7b\u8fdb\u884c\u8bfb\u53d6\uff0c\u63d0\u53d6\u5176\u4e2d\u7684\u6587\u4ef6\u6216\u67e5\u770b\u5185\u5bb9\u3002\u800c\u5bf9\u4e8eTAR\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>tarfile<\/code>\u6a21\u5757\u6765\u6253\u5f00\u548c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u8fd9\u4e9b\u6a21\u5757\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65b9\u6cd5\uff0c\u80fd\u591f\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n<p><strong>\u5b58\u6863\u6587\u4ef6\u5728\u6570\u636e\u5907\u4efd\u4e2d\u7684\u91cd\u8981\u6027\u662f\u4ec0\u4e48\uff1f<\/strong><br 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