{"id":1087665,"date":"2025-01-08T13:37:16","date_gmt":"2025-01-08T05:37:16","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1087665.html"},"modified":"2025-01-08T13:37:18","modified_gmt":"2025-01-08T05:37:18","slug":"%e5%a6%82%e4%bd%95%e7%94%a8python%e8%8e%b7%e5%8f%96%e4%b8%80%e6%ae%b5%e6%96%87%e5%ad%97-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1087665.html","title":{"rendered":"\u5982\u4f55\u7528python\u83b7\u53d6\u4e00\u6bb5\u6587\u5b57"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24200506\/07b795b3-5a0c-414d-9963-4ddb04dbdd8b.webp\" alt=\"\u5982\u4f55\u7528python\u83b7\u53d6\u4e00\u6bb5\u6587\u5b57\" \/><\/p>\n<p><p> <strong>\u4f7f\u7528Python\u83b7\u53d6\u4e00\u6bb5\u6587\u5b57\u7684\u65b9\u5f0f\u4e3b\u8981\u6709\uff1a\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3001\u7528\u6237\u8f93\u5165\u3001\u4ece\u7f51\u9875\u6293\u53d6\u3001\u8c03\u7528API\u3001\u8bfb\u53d6\u6570\u636e\u5e93\u3002<\/strong> \u5176\u4e2d\uff0c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u662f\u6700\u57fa\u7840\u3001\u5e38\u89c1\u7684\u65b9\u6cd5\uff0c\u9002\u5408\u521d\u5b66\u8005\u548c\u9700\u8981\u4ece\u672c\u5730\u6587\u4ef6\u4e2d\u83b7\u53d6\u5185\u5bb9\u7684\u573a\u666f\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Python\u4ece\u4e0d\u540c\u6765\u6e90\u83b7\u53d6\u4e00\u6bb5\u6587\u5b57\u7684\u5404\u79cd\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/p>\n<\/p>\n<p><p>\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u662fPython\u4e2d\u6700\u5e38\u89c1\u7684\u64cd\u4f5c\u4e4b\u4e00\u3002\u901a\u8fc7\u5185\u7f6e\u7684open()\u51fd\u6570\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8bfb\u53d6\u672c\u5730\u6587\u4ef6\u4e2d\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u6253\u5f00\u6587\u4ef6<\/p>\n<p>with open(&#39;example.txt&#39;, &#39;r&#39;, encoding=&#39;utf-8&#39;) as file:<\/p>\n<p>    # \u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/p>\n<p>    content = file.read()<\/p>\n<p>    print(content)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>open<\/code>\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6587\u4ef6\u540d\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6a21\u5f0f\uff08&#39;r&#39;\u8868\u793a\u8bfb\u53d6\uff09\uff0c<code>encoding<\/code>\u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u6587\u4ef6\u7f16\u7801\u3002\u4f7f\u7528<code>with<\/code>\u8bed\u53e5\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u5728\u4f7f\u7528\u5b8c\u6bd5\u540e\u81ea\u52a8\u5173\u95ed\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u7528\u6237\u8f93\u5165<\/p>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u4ece\u7528\u6237\u90a3\u91cc\u83b7\u53d6\u8f93\u5165\u3002Python\u63d0\u4f9b\u4e86\u5185\u7f6e\u7684<code>input()<\/code>\u51fd\u6570\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u83b7\u53d6\u7528\u6237\u8f93\u5165<\/p>\n<p>user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u6bb5\u6587\u5b57\uff1a&quot;)<\/p>\n<p>print(f&quot;\u60a8\u8f93\u5165\u7684\u6587\u5b57\u662f\uff1a{user_input}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u8fd9\u4e2a\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5b9e\u65f6\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u573a\u666f\uff0c\u5982\u547d\u4ee4\u884c\u5de5\u5177\u6216\u4ea4\u4e92\u5f0f\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u4ece\u7f51\u9875\u6293\u53d6<\/p>\n<\/p>\n<p><p>\u7f51\u7edc\u722c\u866b\u662fPython\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u5e94\u7528\u9886\u57df\uff0c\u5e38\u7528\u4e8e\u4ece\u7f51\u9875\u4e0a\u6293\u53d6\u6570\u636e\u3002\u5e38\u7528\u7684\u5e93\u6709<code>requests<\/code>\u548c<code>BeautifulSoup<\/code>\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u4ece\u7f51\u9875\u4e0a\u83b7\u53d6\u4e00\u6bb5\u6587\u5b57\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<p>from bs4 import BeautifulSoup<\/p>\n<h2><strong>\u53d1\u9001HTTP\u8bf7\u6c42<\/strong><\/h2>\n<p>response = requests.get(&#39;https:\/\/example.com&#39;)<\/p>\n<h2><strong>\u89e3\u6790HTML\u5185\u5bb9<\/strong><\/h2>\n<p>soup = BeautifulSoup(response.text, &#39;html.parser&#39;)<\/p>\n<h2><strong>\u83b7\u53d6\u6307\u5b9a\u6807\u7b7e\u7684\u6587\u672c\u5185\u5bb9<\/strong><\/h2>\n<p>text = soup.find(&#39;p&#39;).get_text()<\/p>\n<p>print(text)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>requests<\/code>\u5e93\u7528\u4e8e\u53d1\u9001HTTP\u8bf7\u6c42\uff0c<code>BeautifulSoup<\/code>\u5e93\u7528\u4e8e\u89e3\u6790HTML\u5e76\u63d0\u53d6\u6240\u9700\u5185\u5bb9\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u722c\u53d6\u7f51\u9875\u65f6\u5e94\u9075\u5b88\u76f8\u5173\u6cd5\u5f8b\u6cd5\u89c4\u548c\u7f51\u7ad9\u7684robots.txt\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u8c03\u7528API<\/p>\n<\/p>\n<p><p>\u8bb8\u591a\u5728\u7ebf\u670d\u52a1\u63d0\u4f9bAPI\u63a5\u53e3\uff0c\u5141\u8bb8\u60a8\u901a\u8fc7HTTP\u8bf7\u6c42\u83b7\u53d6\u6570\u636e\u3002\u4f7f\u7528Python\u7684<code>requests<\/code>\u5e93\u53ef\u4ee5\u65b9\u4fbf\u5730\u8c03\u7528API\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u8c03\u7528API\u5e76\u83b7\u53d6\u8fd4\u56de\u7684\u6587\u672c\u6570\u636e\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import requests<\/p>\n<h2><strong>\u8c03\u7528API<\/strong><\/h2>\n<p>response = requests.get(&#39;https:\/\/api.example.com\/data&#39;)<\/p>\n<h2><strong>\u89e3\u6790JSON\u54cd\u5e94<\/strong><\/h2>\n<p>data = response.json()<\/p>\n<h2><strong>\u83b7\u53d6\u7279\u5b9a\u5b57\u6bb5\u7684\u6587\u672c\u5185\u5bb9<\/strong><\/h2>\n<p>text = data[&#39;text&#39;]<\/p>\n<p>print(text)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>requests<\/code>\u5e93\u7528\u4e8e\u53d1\u9001HTTP\u8bf7\u6c42\uff0c<code>response.json()<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u54cd\u5e94\u89e3\u6790\u4e3aJSON\u683c\u5f0f\u3002\u5177\u4f53\u7684API\u8c03\u7528\u548c\u6570\u636e\u89e3\u6790\u65b9\u6cd5\u53d6\u51b3\u4e8eAPI\u7684\u6587\u6863\u548c\u8fd4\u56de\u683c\u5f0f\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u8bfb\u53d6\u6570\u636e\u5e93<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6570\u636e\u901a\u5e38\u5b58\u50a8\u5728\u6570\u636e\u5e93\u4e2d\u3002Python\u53ef\u4ee5\u901a\u8fc7\u5404\u79cd\u5e93\uff08\u5982<code>sqlite3<\/code>\u3001<code>pymysql<\/code>\u3001<code>psycopg2<\/code>\u7b49\uff09\u8fde\u63a5\u5e76\u8bfb\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff0c\u5c55\u793a\u5982\u4f55\u4eceSQLite\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u4e00\u6bb5\u6587\u5b57\uff1a<\/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;example.db&#39;)<\/p>\n<p>cursor = conn.cursor()<\/p>\n<h2><strong>\u6267\u884cSQL\u67e5\u8be2<\/strong><\/h2>\n<p>cursor.execute(&#39;SELECT content FROM texts WHERE id=1&#39;)<\/p>\n<h2><strong>\u83b7\u53d6\u67e5\u8be2\u7ed3\u679c<\/strong><\/h2>\n<p>text = cursor.fetchone()[0]<\/p>\n<p>print(text)<\/p>\n<h2><strong>\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5<\/strong><\/h2>\n<p>conn.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>sqlite3<\/code>\u5e93\u7528\u4e8e\u8fde\u63a5\u548c\u64cd\u4f5cSQLite\u6570\u636e\u5e93\uff0c<code>execute<\/code>\u65b9\u6cd5\u7528\u4e8e\u6267\u884cSQL\u67e5\u8be2\uff0c<code>fetchone<\/code>\u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u67e5\u8be2\u7ed3\u679c\u3002\u5bf9\u4e8e\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\u5e93\uff0c\u8fde\u63a5\u548c\u67e5\u8be2\u65b9\u6cd5\u53ef\u80fd\u6709\u6240\u4e0d\u540c\uff0c\u4f46\u57fa\u672c\u539f\u7406\u76f8\u4f3c\u3002<\/p>\n<\/p>\n<p><p>\u603b\u7ed3<\/p>\n<\/p>\n<p><p><strong>\u83b7\u53d6\u4e00\u6bb5\u6587\u5b57\u662fPython\u4e2d\u7684\u57fa\u7840\u64cd\u4f5c\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u573a\u666f\u3002<\/strong> \u901a\u8fc7\u5b66\u4e60\u548c\u638c\u63e1\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3001\u7528\u6237\u8f93\u5165\u3001\u4ece\u7f51\u9875\u6293\u53d6\u3001\u8c03\u7528API\u3001\u8bfb\u53d6\u6570\u636e\u5e93\u7b49\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5e94\u5bf9\u4e0d\u540c\u7684\u6570\u636e\u83b7\u53d6\u9700\u6c42\u3002\u65e0\u8bba\u662f\u7f16\u5199\u7b80\u5355\u7684\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u8fd8\u662f\u5f00\u53d1\u590d\u6742\u7684\u7f51\u7edc\u722c\u866b\u548c\u6570\u636e\u5904\u7406\u7a0b\u5e8f\uff0c\u638c\u63e1\u8fd9\u4e9b\u6280\u80fd\u90fd\u5c06\u5927\u6709\u88e8\u76ca\u3002<\/p>\n<\/p>\n<p><p>\u6b64\u5916\uff0c\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u5efa\u8bae\u7ed3\u5408\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u5e76\u6ce8\u610f\u6570\u636e\u83b7\u53d6\u7684\u5408\u6cd5\u6027\u548c\u5408\u89c4\u6027\u3002\u5e0c\u671b\u672c\u6587\u80fd\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\uff0c\u795d\u60a8\u5728Python\u7f16\u7a0b\u7684\u9053\u8def\u4e0a\u4e0d\u65ad\u8fdb\u6b65\uff01<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u4e00\u6bb5\u6587\u5b57\uff1f<\/strong><br \/>\u8981\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6587\u5b57\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>open()<\/code>\u51fd\u6570\u3002\u901a\u8fc7\u6307\u5b9a\u6587\u4ef6\u540d\u548c\u6a21\u5f0f\uff08\u5982&#39;r&#39;\u8868\u793a\u8bfb\u53d6\uff09\uff0c\u53ef\u4ee5\u6253\u5f00\u6587\u4ef6\u5e76\u4f7f\u7528<code>read()<\/code>\u6216<code>readlines()<\/code>\u65b9\u6cd5\u83b7\u53d6\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a  <\/p>\n<pre><code class=\"language-python\">with open(&#39;example.txt&#39;, &#39;r&#39;) as file:\n    text = file.read()\nprint(text)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u5c0f\u578b\u6587\u4ef6\uff0c\u5bf9\u4e8e\u5927\u578b\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528<code>readline()<\/code>\u65b9\u6cd5\u9010\u884c\u8bfb\u53d6\uff0c\u51cf\u5c11\u5185\u5b58\u5360\u7528\u3002<\/p>\n<p><strong>\u53ef\u4ee5\u4f7f\u7528Python\u7684\u54ea\u4e9b\u5e93\u6765\u5904\u7406\u6587\u672c\u6570\u636e\uff1f<\/strong><br \/>Python\u63d0\u4f9b\u4e86\u591a\u4e2a\u5f3a\u5927\u7684\u5e93\u6765\u5904\u7406\u6587\u672c\u6570\u636e\u3002\u4f8b\u5982\uff0c<code>pandas<\/code>\u5e93\u975e\u5e38\u9002\u5408\u5904\u7406\u7ed3\u6784\u5316\u6570\u636e\uff0c\u53ef\u4ee5\u8bfb\u53d6CSV\u3001Excel\u7b49\u683c\u5f0f\u7684\u6587\u4ef6\uff1b<code>nltk<\/code>\u548c<code>spaCy<\/code>\u662f\u5904\u7406\u81ea\u7136\u8bed\u8a00\u7684\u4f18\u79c0\u5e93\uff0c\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u529f\u80fd\u6765\u8fdb\u884c\u6587\u672c\u5206\u6790\u548c\u5904\u7406\uff1b\u800c<code>re<\/code>\u5e93\u5219\u7528\u4e8e\u5904\u7406\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u4ee5\u4fbf\u5728\u6587\u672c\u4e2d\u67e5\u627e\u7279\u5b9a\u6a21\u5f0f\u3002<\/p>\n<p><strong>\u5982\u4f55\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6587\u672c\u5e76\u8fdb\u884c\u5904\u7406\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684<code>input()<\/code>\u51fd\u6570\u6765\u83b7\u53d6\u7528\u6237\u8f93\u5165\u7684\u6587\u672c\u3002\u83b7\u53d6\u5230\u7684\u6587\u672c\u53ef\u4ee5\u8fdb\u884c\u5404\u79cd\u5904\u7406\uff0c\u5982\u5b57\u7b26\u4e32\u64cd\u4f5c\u3001\u6570\u636e\u5206\u6790\u7b49\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n<pre><code class=\"language-python\">user_input = input(&quot;\u8bf7\u8f93\u5165\u4e00\u6bb5\u6587\u5b57\uff1a&quot;)\nprocessed_text = user_input.lower()  # \u5c06\u8f93\u5165\u7684\u6587\u672c\u8f6c\u6362\u4e3a\u5c0f\u5199\nprint(processed_text)\n<\/code><\/pre>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u63a5\uff0c\u9002\u5408\u4e0e\u7528\u6237\u4ea4\u4e92\u5e76\u5373\u65f6\u5904\u7406\u8f93\u5165\u6570\u636e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528Python\u83b7\u53d6\u4e00\u6bb5\u6587\u5b57\u7684\u65b9\u5f0f\u4e3b\u8981\u6709\uff1a\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3001\u7528\u6237\u8f93\u5165\u3001\u4ece\u7f51\u9875\u6293\u53d6\u3001\u8c03\u7528API\u3001\u8bfb\u53d6\u6570\u636e\u5e93\u3002 \u5176\u4e2d\uff0c [&hellip;]","protected":false},"author":3,"featured_media":1087669,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1087665"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1087665"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1087665\/revisions"}],"predecessor-version":[{"id":1087671,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1087665\/revisions\/1087671"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1087669"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1087665"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1087665"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1087665"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}