{"id":1092327,"date":"2025-01-08T14:20:05","date_gmt":"2025-01-08T06:20:05","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1092327.html"},"modified":"2025-01-08T14:20:08","modified_gmt":"2025-01-08T06:20:08","slug":"python%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba%e4%b8%80%e4%b8%aa%e6%95%b0%e5%ad%97-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1092327.html","title":{"rendered":"python\u5982\u4f55\u8f93\u51fa\u4e00\u4e2a\u6570\u5b57"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24205414\/37e7f0ca-55ca-45c4-ad78-de6fff956865.webp\" alt=\"python\u5982\u4f55\u8f93\u51fa\u4e00\u4e2a\u6570\u5b57\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u8f93\u51fa\u4e00\u4e2a\u6570\u5b57\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8fdb\u884c\uff0c\u6bd4\u5982\u4f7f\u7528print()\u51fd\u6570\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001\u6587\u4ef6\u8f93\u51fa\u7b49\u3002\u6700\u5e38\u89c1\u548c\u76f4\u63a5\u7684\u65b9\u6cd5\u662f\u4f7f\u7528print()\u51fd\u6570\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u6269\u5c55\u4e00\u4e9b\u66f4\u9ad8\u7ea7\u7684\u7528\u6cd5\u3002<\/strong><\/p>\n<\/p>\n<p><p>\u4e00\u3001\u4f7f\u7528print()\u51fd\u6570<\/p>\n<\/p>\n<p><p>print()\u51fd\u6570\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u8f93\u51fa\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u4e00\u4e2a\u6570\u5b57\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002\u4f7f\u7528print()\u51fd\u6570\u8f93\u51fa\u4e00\u4e2a\u6570\u5b57\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u5c06\u6570\u5b57\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9print()\u51fd\u6570\u5373\u53ef\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">print(42)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>print()\u51fd\u6570\u4e0d\u4ec5\u53ef\u4ee5\u8f93\u51fa\u5355\u4e2a\u6570\u5b57\uff0c\u8fd8\u53ef\u4ee5\u8f93\u51fa\u591a\u4e2a\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u4ee5\u53ca\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\u3002<\/strong> \u5982\u679c\u4f60\u5e0c\u671b\u5728\u8f93\u51fa\u65f6\u6dfb\u52a0\u4e00\u4e9b\u8bf4\u660e\u6216\u4e0a\u4e0b\u6587\u4fe1\u606f\uff0c\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u5185\u5bb9\u4e00\u8d77\u4f20\u9012\u7ed9print()\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">number = 42<\/p>\n<p>print(&quot;The answer to life, the universe, and everything is&quot;, number)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cprint()\u51fd\u6570\u4f1a\u8f93\u51fa\u4e00\u6761\u5305\u542b\u8bf4\u660e\u6587\u5b57\u548c\u6570\u5b57\u7684\u6d88\u606f\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/p>\n<\/p>\n<p><p>\u5728Python\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5c06\u6570\u5b57\u683c\u5f0f\u5316\u4e3a\u5b57\u7b26\u4e32\u5e76\u8f93\u51fa\u3002\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528f\u5b57\u7b26\u4e32\uff08f-string\uff09\u3001format()\u65b9\u6cd5\u548c\u767e\u5206\u53f7\uff08%\uff09\u683c\u5f0f\u5316\u3002<\/p>\n<\/p>\n<ol>\n<li><strong>f\u5b57\u7b26\u4e32\uff08f-string\uff09<\/strong><\/li>\n<\/ol>\n<p><p>f\u5b57\u7b26\u4e32\u662f\u4e00\u79cd\u5728Python 3.6\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u5f15\u5165\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u524d\u6dfb\u52a0\u5b57\u6bcdf\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u5927\u62ec\u53f7{}\u5305\u88f9\u53d8\u91cf\u540d\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">number = 42<\/p>\n<p>print(f&quot;The answer to life, the universe, and everything is {number}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"2\">\n<li><strong>format()\u65b9\u6cd5<\/strong><\/li>\n<\/ol>\n<p><p>format()\u65b9\u6cd5\u662fPython 2.7\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u63d0\u4f9b\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u5927\u62ec\u53f7{}\u5360\u4f4d\u7b26\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u540e\u8c03\u7528format()\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">number = 42<\/p>\n<p>print(&quot;The answer to life, the universe, and everything is {}&quot;.format(number))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<ol start=\"3\">\n<li><strong>\u767e\u5206\u53f7\uff08%\uff09\u683c\u5f0f\u5316<\/strong><\/li>\n<\/ol>\n<p><p>\u767e\u5206\u53f7\u683c\u5f0f\u5316\u662f\u4e00\u79cd\u8f83\u65e9\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u867d\u7136\u5b83\u5728Python 3.x\u4e2d\u4ecd\u7136\u53ef\u7528\uff0c\u4f46\u4e0d\u63a8\u8350\u5728\u65b0\u4ee3\u7801\u4e2d\u4f7f\u7528\u3002\u5b83\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u767e\u5206\u53f7%\u5360\u4f4d\u7b26\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u540e\u6dfb\u52a0\u53d8\u91cf\u6765\u5b9e\u73b0\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">number = 42<\/p>\n<p>print(&quot;The answer to life, the universe, and everything is %d&quot; % number)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4e09\u3001\u6587\u4ef6\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u6709\u65f6\u5019\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u6570\u5b57\u8f93\u51fa\u5230\u6587\u4ef6\u4e2d\uff0c\u800c\u4e0d\u662f\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002Python\u63d0\u4f9b\u4e86\u5185\u7f6e\u7684open()\u51fd\u6570\u548c\u6587\u4ef6\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">number = 42<\/p>\n<p>with open(&quot;output.txt&quot;, &quot;w&quot;) as file:<\/p>\n<p>    file.write(f&quot;The answer to life, the universe, and everything is {number}\\n&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528open()\u51fd\u6570\u6253\u5f00\u4e00\u4e2a\u540d\u4e3aoutput.txt\u7684\u6587\u4ef6\uff08\u5982\u679c\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5c06\u521b\u5efa\u5b83\uff09\uff0c\u5e76\u4f7f\u7528w\u6a21\u5f0f\u8868\u793a\u5199\u5165\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528file.write()\u65b9\u6cd5\u5c06\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u65e5\u5fd7\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u7279\u522b\u662f\u5728\u8c03\u8bd5\u548c\u8bb0\u5f55\u7a0b\u5e8f\u8fd0\u884c\u72b6\u6001\u65f6\uff0c\u4f7f\u7528\u65e5\u5fd7\u8bb0\u5f55\u5668\uff08logging\uff09\u6bd4\u76f4\u63a5\u4f7f\u7528print()\u51fd\u6570\u66f4\u4e3a\u5408\u9002\u548c\u4e13\u4e1a\u3002Python\u5185\u7f6e\u7684logging\u6a21\u5757\u53ef\u4ee5\u65b9\u4fbf\u5730\u8bb0\u5f55\u4fe1\u606f\u5230\u63a7\u5236\u53f0\u3001\u6587\u4ef6\u6216\u5176\u4ed6\u8f93\u51fa\u76ee\u6807\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import logging<\/p>\n<h2><strong>\u914d\u7f6e\u65e5\u5fd7\u8bb0\u5f55\u5668<\/strong><\/h2>\n<p>logging.basicConfig(level=logging.INFO, format=&#39;%(asctime)s - %(levelname)s - %(message)s&#39;)<\/p>\n<p>number = 42<\/p>\n<p>logging.info(f&quot;The answer to life, the universe, and everything is {number}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u914d\u7f6e\u4e86\u65e5\u5fd7\u8bb0\u5f55\u5668\u7684\u57fa\u672c\u914d\u7f6e\uff0c\u5305\u62ec\u65e5\u5fd7\u7ea7\u522b\u3001\u65e5\u5fd7\u683c\u5f0f\u7b49\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528logging.info()\u65b9\u6cd5\u8bb0\u5f55\u4e00\u6761\u4fe1\u606f\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001GUI\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u5728\u56fe\u5f62\u7528\u6237\u754c\u9762\uff08GUI\uff09\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u6570\u5b57\u8f93\u51fa\u5230\u7a97\u53e3\u4e2d\u7684\u67d0\u4e2a\u7ec4\u4ef6\uff08\u4f8b\u5982\u6807\u7b7e\u3001\u6587\u672c\u6846\u7b49\uff09\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cdGUI\u5e93\uff0c\u5982Tkinter\u3001PyQt\u7b49\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Tkinter\u8f93\u51fa\u6570\u5b57\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import tkinter as tk<\/p>\n<h2><strong>\u521b\u5efa\u4e3b\u7a97\u53e3<\/strong><\/h2>\n<p>root = tk.Tk()<\/p>\n<p>root.title(&quot;Number Output&quot;)<\/p>\n<h2><strong>\u521b\u5efa\u6807\u7b7e\u5e76\u8bbe\u7f6e\u6587\u672c<\/strong><\/h2>\n<p>number = 42<\/p>\n<p>label = tk.Label(root, text=f&quot;The answer to life, the universe, and everything is {number}&quot;)<\/p>\n<p>label.pack()<\/p>\n<h2><strong>\u8fd0\u884c\u4e3b\u5faa\u73af<\/strong><\/h2>\n<p>root.m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>nloop()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5bfc\u5165\u4e86tkinter\u6a21\u5757\uff0c\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a\u4e3b\u7a97\u53e3\u3002\u7136\u540e\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u6807\u7b7e\u7ec4\u4ef6\uff0c\u5e76\u5c06\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32\u8bbe\u7f6e\u4e3a\u6807\u7b7e\u7684\u6587\u672c\u3002\u6700\u540e\uff0c\u6211\u4eec\u8fd0\u884c\u4e3b\u5faa\u73af\u4ee5\u663e\u793a\u7a97\u53e3\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001\u7f51\u7edc\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u5728\u7f51\u7edc\u7f16\u7a0b\u4e2d\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u6570\u5b57\u901a\u8fc7\u7f51\u7edc\u53d1\u9001\u5230\u5176\u4ed6\u8ba1\u7b97\u673a\u6216\u8bbe\u5907\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u7f51\u7edc\u7f16\u7a0b\u5e93\uff0c\u5982socket\u3001requests\u7b49\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528socket\u5c06\u6570\u5b57\u53d1\u9001\u5230\u670d\u52a1\u5668\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import socket<\/p>\n<h2><strong>\u521b\u5efa\u5ba2\u6237\u7aef\u5957\u63a5\u5b57<\/strong><\/h2>\n<p>client_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)<\/p>\n<h2><strong>\u8fde\u63a5\u5230\u670d\u52a1\u5668<\/strong><\/h2>\n<p>server_address = (&#39;localhost&#39;, 65432)<\/p>\n<p>client_socket.connect(server_address)<\/p>\n<p>try:<\/p>\n<p>    number = 42<\/p>\n<p>    message = f&quot;The answer to life, the universe, and everything is {number}&quot;<\/p>\n<p>    client_socket.sendall(message.encode())<\/p>\n<p>finally:<\/p>\n<p>    client_socket.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5bfc\u5165\u4e86socket\u6a21\u5757\uff0c\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\u3002\u7136\u540e\uff0c\u6211\u4eec\u8fde\u63a5\u5230\u670d\u52a1\u5668\uff0c\u5e76\u5c06\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32\u7f16\u7801\u4e3a\u5b57\u8282\u5e76\u53d1\u9001\u5230\u670d\u52a1\u5668\u3002\u6700\u540e\uff0c\u6211\u4eec\u5173\u95ed\u5957\u63a5\u5b57\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001\u56fe\u8868\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u6709\u65f6\u5019\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u6570\u5b57\u4ee5\u56fe\u8868\u7684\u5f62\u5f0f\u8f93\u51fa\uff0c\u4ee5\u4fbf\u66f4\u76f4\u89c2\u5730\u5c55\u793a\u6570\u636e\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u7ed8\u56fe\u5e93\uff0c\u5982Matplotlib\u3001Seaborn\u7b49\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Matplotlib\u7ed8\u5236\u67f1\u72b6\u56fe\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import matplotlib.pyplot as plt<\/p>\n<h2><strong>\u6570\u636e<\/strong><\/h2>\n<p>numbers = [1, 2, 3, 4, 5]<\/p>\n<p>values = [42, 23, 15, 8, 16]<\/p>\n<h2><strong>\u7ed8\u5236\u67f1\u72b6\u56fe<\/strong><\/h2>\n<p>plt.bar(numbers, values)<\/p>\n<h2><strong>\u6dfb\u52a0\u6807\u7b7e\u548c\u6807\u9898<\/strong><\/h2>\n<p>plt.xlabel(&#39;Number&#39;)<\/p>\n<p>plt.ylabel(&#39;Value&#39;)<\/p>\n<p>plt.title(&#39;Number vs Value&#39;)<\/p>\n<h2><strong>\u663e\u793a\u56fe\u8868<\/strong><\/h2>\n<p>plt.show()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5bfc\u5165\u4e86matplotlib.pyplot\u6a21\u5757\uff0c\u5e76\u51c6\u5907\u4e86\u4e00\u4e9b\u6570\u636e\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528plt.bar()\u51fd\u6570\u7ed8\u5236\u67f1\u72b6\u56fe\uff0c\u5e76\u6dfb\u52a0\u4e86\u6807\u7b7e\u548c\u6807\u9898\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528plt.show()\u51fd\u6570\u663e\u793a\u56fe\u8868\u3002<\/p>\n<\/p>\n<p><p>\u516b\u3001\u6570\u636e\u5e93\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u5728\u6570\u636e\u9a71\u52a8\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u6570\u5b57\u5b58\u50a8\u5230\u6570\u636e\u5e93\u4e2d\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u6570\u636e\u5e93\u63a5\u53e3\uff0c\u5982SQLite\u3001MySQL\u3001PostgreSQL\u7b49\uff0c\u53ef\u4ee5\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528SQLite\u5c06\u6570\u5b57\u63d2\u5165\u6570\u636e\u5e93\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import sqlite3<\/p>\n<h2><strong>\u8fde\u63a5\u5230SQLite\u6570\u636e\u5e93\uff08\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5c06\u521b\u5efa\u5b83\uff09<\/strong><\/h2>\n<p>conn = sqlite3.connect(&#39;example.db&#39;)<\/p>\n<p>cursor = conn.cursor()<\/p>\n<h2><strong>\u521b\u5efa\u8868<\/strong><\/h2>\n<p>cursor.execute(&#39;&#39;&#39;CREATE TABLE IF NOT EXISTS numbers (id INTEGER PRIMARY KEY, value INTEGER)&#39;&#39;&#39;)<\/p>\n<h2><strong>\u63d2\u5165\u6570\u636e<\/strong><\/h2>\n<p>number = 42<\/p>\n<p>cursor.execute(&#39;INSERT INTO numbers (value) VALUES (?)&#39;, (number,))<\/p>\n<h2><strong>\u63d0\u4ea4\u4e8b\u52a1<\/strong><\/h2>\n<p>conn.commit()<\/p>\n<h2><strong>\u5173\u95ed\u8fde\u63a5<\/strong><\/h2>\n<p>conn.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5bfc\u5165\u4e86sqlite3\u6a21\u5757\uff0c\u5e76\u8fde\u63a5\u5230\u4e00\u4e2aSQLite\u6570\u636e\u5e93\u3002\u7136\u540e\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u8868\uff0c\u5e76\u5c06\u6570\u5b57\u63d2\u5165\u5230\u8868\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u63d0\u4ea4\u4e8b\u52a1\u5e76\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n<\/p>\n<p><p>\u4e5d\u3001\u547d\u4ee4\u884c\u53c2\u6570\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u5728\u547d\u4ee4\u884c\u5e94\u7528\u7a0b\u5e8f\u4e2d\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u6570\u5b57\u4f5c\u4e3a\u547d\u4ee4\u884c\u53c2\u6570\u4f20\u9012\uff0c\u5e76\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002Python\u63d0\u4f9b\u4e86argparse\u6a21\u5757\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u89e3\u6790\u547d\u4ee4\u884c\u53c2\u6570\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import argparse<\/p>\n<h2><strong>\u521b\u5efa\u89e3\u6790\u5668<\/strong><\/h2>\n<p>parser = argparse.ArgumentParser(description=&#39;Output a number.&#39;)<\/p>\n<p>parser.add_argument(&#39;number&#39;, type=int, help=&#39;The number to output&#39;)<\/p>\n<h2><strong>\u89e3\u6790\u547d\u4ee4\u884c\u53c2\u6570<\/strong><\/h2>\n<p>args = parser.parse_args()<\/p>\n<h2><strong>\u8f93\u51fa\u6570\u5b57<\/strong><\/h2>\n<p>print(f&quot;The number is {args.number}&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5bfc\u5165\u4e86argparse\u6a21\u5757\uff0c\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a\u89e3\u6790\u5668\u3002\u7136\u540e\uff0c\u6211\u4eec\u6dfb\u52a0\u4e86\u4e00\u4e2a\u547d\u4ee4\u884c\u53c2\u6570\uff0c\u5e76\u89e3\u6790\u4e86\u547d\u4ee4\u884c\u53c2\u6570\u3002\u6700\u540e\uff0c\u6211\u4eec\u8f93\u51fa\u4e86\u4f20\u9012\u7684\u6570\u5b57\u3002<\/p>\n<\/p>\n<p><p>\u5341\u3001\u56fe\u50cf\u8f93\u51fa<\/p>\n<\/p>\n<p><p>\u6709\u65f6\u5019\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5c06\u6570\u5b57\u4ee5\u56fe\u50cf\u7684\u5f62\u5f0f\u8f93\u51fa\u3002Python\u63d0\u4f9b\u4e86Pillow\u5e93\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u521b\u5efa\u548c\u64cd\u4f5c\u56fe\u50cf\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f7f\u7528Pillow\u5c06\u6570\u5b57\u7ed8\u5236\u5230\u56fe\u50cf\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">from PIL import Image, ImageDraw, ImageFont<\/p>\n<h2><strong>\u521b\u5efa\u56fe\u50cf<\/strong><\/h2>\n<p>width, height = 200, 100<\/p>\n<p>image = Image.new(&#39;RGB&#39;, (width, height), &#39;white&#39;)<\/p>\n<h2><strong>\u521b\u5efa\u7ed8\u56fe\u5bf9\u8c61<\/strong><\/h2>\n<p>draw = ImageDraw.Draw(image)<\/p>\n<h2><strong>\u52a0\u8f7d\u5b57\u4f53<\/strong><\/h2>\n<p>font = ImageFont.load_default()<\/p>\n<h2><strong>\u7ed8\u5236\u6587\u672c<\/strong><\/h2>\n<p>number = 42<\/p>\n<p>text = f&quot;The number is {number}&quot;<\/p>\n<p>text_width, text_height = draw.textsize(text, font=font)<\/p>\n<p>x = (width - text_width) \/ 2<\/p>\n<p>y = (height - text_height) \/ 2<\/p>\n<p>draw.text((x, y), text, fill=&#39;black&#39;, font=font)<\/p>\n<h2><strong>\u4fdd\u5b58\u56fe\u50cf<\/strong><\/h2>\n<p>image.save(&#39;output.png&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5bfc\u5165\u4e86PIL\u6a21\u5757\u4e2d\u7684Image\u3001ImageDraw\u548cImageFont\u7c7b\uff0c\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a\u767d\u8272\u80cc\u666f\u7684\u56fe\u50cf\u3002\u7136\u540e\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7ed8\u56fe\u5bf9\u8c61\uff0c\u5e76\u52a0\u8f7d\u4e86\u9ed8\u8ba4\u5b57\u4f53\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u8ba1\u7b97\u4e86\u6587\u672c\u7684\u5bbd\u5ea6\u548c\u9ad8\u5ea6\uff0c\u4ee5\u4fbf\u5c06\u6587\u672c\u5c45\u4e2d\u7ed8\u5236\u5230\u56fe\u50cf\u4e0a\u3002\u6700\u540e\uff0c\u6211\u4eec\u4fdd\u5b58\u4e86\u56fe\u50cf\u3002<\/p>\n<\/p>\n<p><p>\u7efc\u4e0a\u6240\u8ff0\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u8f93\u51fa\u6570\u5b57\u7684\u65b9\u6cd5\uff0c\u6db5\u76d6\u4e86\u63a7\u5236\u53f0\u8f93\u51fa\u3001\u6587\u4ef6\u8f93\u51fa\u3001GUI\u8f93\u51fa\u3001\u7f51\u7edc\u8f93\u51fa\u3001\u56fe\u8868\u8f93\u51fa\u3001\u6570\u636e\u5e93\u8f93\u51fa\u3001\u547d\u4ee4\u884c\u53c2\u6570\u8f93\u51fa\u548c\u56fe\u50cf\u8f93\u51fa\u7b49\u591a\u79cd\u573a\u666f\u3002\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u4f60\u7684\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3001\u9ad8\u6548\u548c\u6613\u4e8e\u7ef4\u62a4\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u5728Python\u4e2d\u6253\u5370\u4e00\u4e2a\u6570\u5b57\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>print()<\/code>\u51fd\u6570\u6765\u8f93\u51fa\u6570\u5b57\u3002\u53ea\u9700\u5c06\u6570\u5b57\u653e\u5728<code>print()<\/code>\u51fd\u6570\u7684\u62ec\u53f7\u5185\u3002\u4f8b\u5982\uff0c<code>print(42)<\/code>\u5c06\u4f1a\u5728\u63a7\u5236\u53f0\u8f93\u51fa\u6570\u5b5742\u3002\u8fd9\u4e2a\u65b9\u6cd5\u9002\u7528\u4e8e\u6574\u6570\u3001\u6d6e\u70b9\u6570\u7b49\u7c7b\u578b\u7684\u6570\u5b57\u3002<\/p>\n<p><strong>\u6211\u53ef\u4ee5\u5728Python\u4e2d\u8f93\u51fa\u591a\u4e2a\u6570\u5b57\u5417\uff1f<\/strong><br \/>\u5f53\u7136\u53ef\u4ee5\u3002<code>print()<\/code>\u51fd\u6570\u53ef\u4ee5\u63a5\u6536\u591a\u4e2a\u53c2\u6570\uff0c\u4f7f\u7528\u9017\u53f7\u5206\u9694\u5373\u53ef\u3002\u4f8b\u5982\uff0c<code>print(10, 20, 30)<\/code>\u5c06\u8f93\u51fa<code>10 20 30<\/code>\u3002\u5728\u8f93\u51fa\u591a\u4e2a\u6570\u5b57\u65f6\uff0c\u9ed8\u8ba4\u4f1a\u5728\u5b83\u4eec\u4e4b\u95f4\u6dfb\u52a0\u4e00\u4e2a\u7a7a\u683c\uff0c\u5982\u679c\u9700\u8981\u4f7f\u7528\u5176\u4ed6\u5206\u9694\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528<code>sep<\/code>\u53c2\u6570\u6765\u6307\u5b9a\u3002<\/p>\n<p><strong>\u5728Python\u4e2d\u5982\u4f55\u683c\u5f0f\u5316\u8f93\u51fa\u6570\u5b57\uff1f<\/strong><br \/>\u82e5\u60f3\u4ee5\u7279\u5b9a\u683c\u5f0f\u8f93\u51fa\u6570\u5b57\uff0c\u53ef\u4ee5\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff08f-strings\uff09\u6216<code>format()<\/code>\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528f-string\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<code>number = 5.6789<\/code>\uff0c\u7136\u540e\u6253\u5370\u65f6\u7528<code>print(f&quot;{number:.2f}&quot;)<\/code>\u5c06\u4f1a\u8f93\u51fa<code>5.68<\/code>\uff0c\u53ea\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u3002\u4f7f\u7528<code>format()<\/code>\u65b9\u6cd5\u5219\u662f<code>print(&quot;{:.2f}&quot;.format(number))<\/code>\uff0c\u6548\u679c\u76f8\u540c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u8f93\u51fa\u4e00\u4e2a\u6570\u5b57\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8fdb\u884c\uff0c\u6bd4\u5982\u4f7f\u7528print()\u51fd\u6570\u3001\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001\u6587\u4ef6\u8f93\u51fa\u7b49\u3002\u6700\u5e38 [&hellip;]","protected":false},"author":3,"featured_media":1092336,"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\/1092327"}],"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=1092327"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1092327\/revisions"}],"predecessor-version":[{"id":1092338,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1092327\/revisions\/1092338"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1092336"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1092327"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1092327"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1092327"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}