{"id":955253,"date":"2024-12-27T02:13:05","date_gmt":"2024-12-26T18:13:05","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/955253.html"},"modified":"2024-12-27T02:13:09","modified_gmt":"2024-12-26T18:13:09","slug":"python%e5%a6%82%e4%bd%95tkinter%e9%80%89%e9%a1%b9%e6%a1%86","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/955253.html","title":{"rendered":"Python\u5982\u4f55tkinter\u9009\u9879\u6846"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25095242\/53ec1ef9-0e1a-4282-baa1-3129fb9a0867.webp\" alt=\"Python\u5982\u4f55tkinter\u9009\u9879\u6846\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u4f7f\u7528tkinter\u5e93\u53ef\u4ee5\u901a\u8fc7OptionMenu\u7ec4\u4ef6\u6765\u521b\u5efa\u9009\u9879\u6846\u3001\u8fd9\u662f\u4e00\u79cd\u4e0b\u62c9\u83dc\u5355\uff0c\u53ef\u4ee5\u8ba9\u7528\u6237\u4ece\u4e00\u7ec4\u9884\u5b9a\u4e49\u7684\u9009\u9879\u4e2d\u8fdb\u884c\u9009\u62e9\u3001\u901a\u8fc7\u7ed3\u5408\u53d8\u91cf\u548c\u56de\u8c03\u51fd\u6570\uff0c\u53ef\u4ee5\u52a8\u6001\u54cd\u5e94\u7528\u6237\u7684\u9009\u62e9\uff0c\u66f4\u65b0\u7a0b\u5e8f\u72b6\u6001\u6216\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u3002<\/strong>  <\/p>\n<\/p>\n<p><p>\u8981\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\uff0c\u6211\u4eec\u5c06\u4ecetkinter\u7684\u57fa\u672c\u6982\u5ff5\u5f00\u59cb\uff0c\u7136\u540e\u9010\u6b65\u4ecb\u7ecd\u5982\u4f55\u521b\u5efa\u9009\u9879\u6846\uff0c\u4ee5\u53ca\u5982\u4f55\u5904\u7406\u9009\u9879\u6846\u7684\u4e8b\u4ef6\u3002<\/p>\n<\/p>\n<h2><strong>\u4e00\u3001TKINTER\u6982\u8ff0<\/strong><\/h2>\n<p><p>Tkinter\u662fPython\u7684\u6807\u51c6GUI\uff08\u56fe\u5f62\u7528\u6237\u754c\u9762\uff09\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u63a7\u4ef6\u548c\u65b9\u6cd5\u6765\u521b\u5efa\u56fe\u5f62\u754c\u9762\u3002Tkinter\u662f\u8de8\u5e73\u53f0\u7684\uff0c\u53ef\u4ee5\u5728Windows\u3001macOS\u548cLinux\u4e0a\u8fd0\u884c\u3002\u5b83\u7684\u7b80\u5355\u6027\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u521d\u5b66\u8005\u3002<\/p>\n<\/p>\n<p><h2>1\u3001Tkinter\u7684\u57fa\u672c\u7ec4\u4ef6<\/h2>\n<\/p>\n<p><p>Tkinter\u4e2d\u63d0\u4f9b\u4e86\u591a\u79cd\u7ec4\u4ef6\uff0c\u5305\u62ec\u6309\u94ae\u3001\u6807\u7b7e\u3001\u6587\u672c\u6846\u3001\u9009\u9879\u6846\u7b49\u3002\u8fd9\u4e9b\u7ec4\u4ef6\u88ab\u79f0\u4e3a\u201c\u63a7\u4ef6\u201d\uff0c\u7528\u4e8e\u6784\u5efa\u7528\u6237\u754c\u9762\u3002\u4e86\u89e3\u8fd9\u4e9b\u57fa\u672c\u7ec4\u4ef6\u662f\u4f7f\u7528tkinter\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<\/p>\n<p><h2>2\u3001Tkinter\u7684\u5e03\u5c40\u7ba1\u7406<\/h2>\n<\/p>\n<p><p>\u5728\u4f7f\u7528tkinter\u65f6\uff0c\u5e03\u5c40\u7ba1\u7406\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\u3002Tkinter\u63d0\u4f9b\u4e86\u4e09\u79cd\u5e03\u5c40\u7ba1\u7406\u5668\uff1apack\u3001grid\u548cplace\u3002pack\u662f\u6700\u7b80\u5355\u7684\u5e03\u5c40\u7ba1\u7406\u5668\uff0c\u5b83\u6839\u636e\u63a7\u4ef6\u7684\u63d2\u5165\u987a\u5e8f\u8fdb\u884c\u6392\u5217\uff1bgrid\u5141\u8bb8\u4f60\u901a\u8fc7\u884c\u548c\u5217\u6765\u5b9a\u4f4d\u63a7\u4ef6\uff1bplace\u5219\u5141\u8bb8\u7cbe\u786e\u5730\u63a7\u5236\u63a7\u4ef6\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n<h2><strong>\u4e8c\u3001\u521b\u5efaTKINTER\u5e94\u7528\u7a0b\u5e8f<\/strong><\/h2>\n<p><p>\u5728\u4f7f\u7528tkinter\u521b\u5efa\u9009\u9879\u6846\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u57fa\u672c\u7684tkinter\u5e94\u7528\u7a0b\u5e8f\u3002\u8fd9\u5305\u62ec\u521d\u59cb\u5316Tkinter\u3001\u8bbe\u7f6e\u4e3b\u7a97\u53e3\u3001\u4ee5\u53ca\u542f\u52a8\u4e3b\u4e8b\u4ef6\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><h2>1\u3001\u521d\u59cb\u5316Tkinter<\/h2>\n<\/p>\n<p><p>\u5728\u4f7f\u7528tkinter\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5bfc\u5165tkinter\u6a21\u5757\u5e76\u521d\u59cb\u5316\u4e3b\u7a97\u53e3\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\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;Tkinter\u793a\u4f8b&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>2\u3001\u8bbe\u7f6e\u4e3b\u7a97\u53e3\u7684\u5c5e\u6027<\/h2>\n<\/p>\n<p><p>\u5728\u521b\u5efa\u4e3b\u7a97\u53e3\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbe\u7f6e\u7a97\u53e3\u7684\u5927\u5c0f\u3001\u4f4d\u7f6e\u3001\u80cc\u666f\u989c\u8272\u7b49\u5c5e\u6027\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8bbe\u7f6e\u7a97\u53e3\u5927\u5c0f<\/p>\n<p>root.geometry(&quot;400x300&quot;)<\/p>\n<h2><strong>\u8bbe\u7f6e\u80cc\u666f\u989c\u8272<\/strong><\/h2>\n<p>root.configure(bg=&#39;lightblue&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>3\u3001\u542f\u52a8\u4e3b\u4e8b\u4ef6\u5faa\u73af<\/h2>\n<\/p>\n<p><p>Tkinter\u662f\u4e8b\u4ef6\u9a71\u52a8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4f1a\u7b49\u5f85\u7528\u6237\u7684\u64cd\u4f5c\uff08\u5982\u70b9\u51fb\u6309\u94ae\uff09\u5e76\u4f5c\u51fa\u54cd\u5e94\u3002\u8981\u542f\u52a8\u8fd9\u4e00\u673a\u5236\uff0c\u6211\u4eec\u9700\u8981\u8c03\u7528m<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>nloop\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u542f\u52a8\u4e3b\u4e8b\u4ef6\u5faa\u73af<\/p>\n<p>root.mainloop()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<h2><strong>\u4e09\u3001\u521b\u5efa\u9009\u9879\u6846\uff08OptionMenu\uff09<\/strong><\/h2>\n<p><p>\u9009\u9879\u6846\u662fTkinter\u4e2d\u4e00\u79cd\u5e38\u7528\u7684\u7ec4\u4ef6\uff0c\u7528\u4e8e\u4ece\u591a\u4e2a\u9009\u9879\u4e2d\u8fdb\u884c\u9009\u62e9\u3002Tkinter\u4e2d\u7684OptionMenu\u7ec4\u4ef6\u53ef\u4ee5\u5f88\u5bb9\u6613\u5730\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><h2>1\u3001OptionMenu\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<\/p>\n<p><p>OptionMenu\u7ec4\u4ef6\u7684\u57fa\u672c\u7528\u6cd5\u5305\u62ec\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf\u3001\u521b\u5efaOptionMenu\u7ec4\u4ef6\u3001\u4ee5\u53ca\u5c06\u7ec4\u4ef6\u6dfb\u52a0\u5230\u7a97\u53e3\u4e2d\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5b9a\u4e49\u4e00\u4e2aStringVar\u53d8\u91cf\uff0c\u7528\u4e8e\u8ddf\u8e2a\u9009\u9879\u6846\u7684\u5f53\u524d\u503c<\/p>\n<p>selected_option = tk.StringVar()<\/p>\n<p>selected_option.set(&quot;\u9009\u98791&quot;)<\/p>\n<h2><strong>\u521b\u5efaOptionMenu\u7ec4\u4ef6<\/strong><\/h2>\n<p>option_menu = tk.OptionMenu(root, selected_option, &quot;\u9009\u98791&quot;, &quot;\u9009\u98792&quot;, &quot;\u9009\u98793&quot;)<\/p>\n<h2><strong>\u6dfb\u52a0\u5230\u4e3b\u7a97\u53e3<\/strong><\/h2>\n<p>option_menu.pack()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>2\u3001\u5904\u7406\u9009\u9879\u6846\u7684\u4e8b\u4ef6<\/h2>\n<\/p>\n<p><p>\u5f53\u7528\u6237\u4ece\u9009\u9879\u6846\u4e2d\u9009\u62e9\u4e00\u4e2a\u9009\u9879\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7ed1\u5b9a\u7684\u65b9\u6cd5\u6765\u5904\u7406\u8fd9\u4e00\u4e8b\u4ef6\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\uff0c\u5e76\u5728\u9009\u9879\u6539\u53d8\u65f6\u8c03\u7528\u5b83\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5b9a\u4e49\u56de\u8c03\u51fd\u6570<\/p>\n<p>def on_option_change(*args):<\/p>\n<p>    print(&quot;\u5f53\u524d\u9009\u62e9:&quot;, selected_option.get())<\/p>\n<h2><strong>\u7ed1\u5b9a\u9009\u9879\u6539\u53d8\u4e8b\u4ef6<\/strong><\/h2>\n<p>selected_option.trace(&quot;w&quot;, on_option_change)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<h2><strong>\u56db\u3001\u6269\u5c55\u548c\u4f18\u5316\u9009\u9879\u6846<\/strong><\/h2>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5bf9\u9009\u9879\u6846\u8fdb\u884c\u6269\u5c55\u548c\u4f18\u5316\uff0c\u4f8b\u5982\u52a8\u6001\u66f4\u65b0\u9009\u9879\u5217\u8868\u3001\u8bbe\u7f6e\u9ed8\u8ba4\u9009\u9879\u7b49\u3002<\/p>\n<\/p>\n<p><h2>1\u3001\u52a8\u6001\u66f4\u65b0\u9009\u9879\u5217\u8868<\/h2>\n<\/p>\n<p><p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u6839\u636e\u7528\u6237\u7684\u64cd\u4f5c\u6216\u5176\u4ed6\u6761\u4ef6\u52a8\u6001\u66f4\u65b0\u9009\u9879\u6846\u4e2d\u7684\u9009\u9879\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7OptionMenu\u7684<code>set_menu<\/code>\u65b9\u6cd5\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">def update_options(new_options):<\/p>\n<p>    menu = option_menu[&quot;menu&quot;]<\/p>\n<p>    menu.delete(0, &quot;end&quot;)<\/p>\n<p>    for option in new_options:<\/p>\n<p>        menu.add_command(label=option, command=lambda value=option: selected_option.set(value))<\/p>\n<h2><strong>\u66f4\u65b0\u9009\u9879\u5217\u8868<\/strong><\/h2>\n<p>update_options([&quot;\u65b0\u9009\u98791&quot;, &quot;\u65b0\u9009\u98792&quot;, &quot;\u65b0\u9009\u98793&quot;])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>2\u3001\u8bbe\u7f6e\u9ed8\u8ba4\u9009\u9879<\/h2>\n<\/p>\n<p><p>\u5728\u521b\u5efa\u9009\u9879\u6846\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eStringVar\u53d8\u91cf\u7684\u503c\u6765\u6307\u5b9a\u9ed8\u8ba4\u9009\u9879\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8bbe\u7f6e\u9ed8\u8ba4\u9009\u9879<\/p>\n<p>selected_option.set(&quot;\u65b0\u9009\u98792&quot;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h2>3\u3001\u9009\u9879\u6846\u7684\u6837\u5f0f\u548c\u5e03\u5c40<\/h2>\n<\/p>\n<p><p>Tkinter\u5141\u8bb8\u6211\u4eec\u901a\u8fc7\u5404\u79cd\u5c5e\u6027\u6765\u5b9a\u5236\u9009\u9879\u6846\u7684\u5916\u89c2\uff0c\u4f8b\u5982\u5b57\u4f53\u3001\u989c\u8272\u7b49\u3002\u6b64\u5916\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5e03\u5c40\u7ba1\u7406\u5668\u6765\u63a7\u5236\u9009\u9879\u6846\u7684\u4f4d\u7f6e\u548c\u5927\u5c0f\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u8bbe\u7f6e\u9009\u9879\u6846\u7684\u5b57\u4f53\u548c\u989c\u8272<\/p>\n<p>option_menu.config(font=(&quot;Arial&quot;, 12), fg=&quot;blue&quot;)<\/p>\n<h2><strong>\u4f7f\u7528grid\u5e03\u5c40\u7ba1\u7406\u5668<\/strong><\/h2>\n<p>option_menu.grid(row=0, column=0, padx=10, pady=10)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<h2><strong>\u4e94\u3001\u7efc\u5408\u793a\u4f8b<\/strong><\/h2>\n<p><p>\u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3\u4e0a\u8ff0\u5185\u5bb9\uff0c\u6211\u4eec\u5c06\u7ed3\u5408\u6240\u6709\u8fd9\u4e9b\u77e5\u8bc6\u70b9\uff0c\u521b\u5efa\u4e00\u4e2a\u5b8c\u6574\u7684tkinter\u5e94\u7528\u7a0b\u5e8f\uff0c\u5176\u4e2d\u5305\u62ec\u4e00\u4e2a\u9009\u9879\u6846\u548c\u4e00\u4e2a\u7528\u4e8e\u663e\u793a\u9009\u5b9a\u9009\u9879\u7684\u6807\u7b7e\u3002<\/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;\u9009\u9879\u6846\u793a\u4f8b&quot;)<\/p>\n<p>root.geometry(&quot;400x300&quot;)<\/p>\n<p>root.configure(bg=&#39;lightblue&#39;)<\/p>\n<h2><strong>\u5b9a\u4e49StringVar\u53d8\u91cf<\/strong><\/h2>\n<p>selected_option = tk.StringVar()<\/p>\n<p>selected_option.set(&quot;\u9009\u98791&quot;)<\/p>\n<h2><strong>\u521b\u5efaOptionMenu\u7ec4\u4ef6<\/strong><\/h2>\n<p>option_menu = tk.OptionMenu(root, selected_option, &quot;\u9009\u98791&quot;, &quot;\u9009\u98792&quot;, &quot;\u9009\u98793&quot;)<\/p>\n<p>option_menu.config(font=(&quot;Arial&quot;, 12), fg=&quot;blue&quot;)<\/p>\n<p>option_menu.pack(pady=20)<\/p>\n<h2><strong>\u5b9a\u4e49\u56de\u8c03\u51fd\u6570<\/strong><\/h2>\n<p>def on_option_change(*args):<\/p>\n<p>    selected_label.config(text=&quot;\u5f53\u524d\u9009\u62e9: &quot; + selected_option.get())<\/p>\n<h2><strong>\u7ed1\u5b9a\u9009\u9879\u6539\u53d8\u4e8b\u4ef6<\/strong><\/h2>\n<p>selected_option.trace(&quot;w&quot;, on_option_change)<\/p>\n<h2><strong>\u521b\u5efa\u6807\u7b7e\u7528\u4e8e\u663e\u793a\u9009\u62e9<\/strong><\/h2>\n<p>selected_label = tk.Label(root, text=&quot;\u5f53\u524d\u9009\u62e9: \u9009\u98791&quot;, font=(&quot;Arial&quot;, 12))<\/p>\n<p>selected_label.pack(pady=10)<\/p>\n<h2><strong>\u542f\u52a8\u4e3b\u4e8b\u4ef6\u5faa\u73af<\/strong><\/h2>\n<p>root.mainloop()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u4e2a\u793a\u4f8b\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684tkinter\u5e94\u7528\u7a0b\u5e8f\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u9009\u9879\u6846\u8fdb\u884c\u9009\u62e9\uff0c\u5e76\u5b9e\u65f6\u663e\u793a\u5f53\u524d\u9009\u5b9a\u7684\u9009\u9879\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5730\u5728Python\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u9009\u9879\u6846\u529f\u80fd\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Tkinter\u521b\u5efa\u4e0b\u62c9\u9009\u9879\u6846\uff1f<\/strong><br \/>\u8981\u521b\u5efa\u4e0b\u62c9\u9009\u9879\u6846\uff0c\u53ef\u4ee5\u4f7f\u7528<code>OptionMenu<\/code>\u5c0f\u90e8\u4ef6\u3002\u9996\u5148\uff0c\u9700\u8981\u5b9a\u4e49\u4e00\u4e2aTkinter\u4e3b\u7a97\u53e3\uff0c\u7136\u540e\u521b\u5efa\u4e00\u4e2a\u53d8\u91cf\u6765\u4fdd\u5b58\u7528\u6237\u9009\u62e9\u7684\u503c\u3002\u63a5\u4e0b\u6765\uff0c\u5229\u7528<code>OptionMenu<\/code>\u5c0f\u90e8\u4ef6\u5c06\u9009\u9879\u4e0e\u53d8\u91cf\u7ed1\u5b9a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n<pre><code class=\"language-python\">import tkinter as tk\n\nroot = tk.Tk()\nselected_option = tk.StringVar(root)\nselected_option.set(&quot;\u9009\u62e9\u4e00\u4e2a\u9009\u9879&quot;)  # \u9ed8\u8ba4\u9009\u9879\n\noptions = [&quot;\u9009\u98791&quot;, &quot;\u9009\u98792&quot;, &quot;\u9009\u98793&quot;]\ndropdown = tk.OptionMenu(root, selected_option, *options)\ndropdown.pack()\n\nroot.mainloop()\n<\/code><\/pre>\n<p><strong>Tkinter\u9009\u9879\u6846\u652f\u6301\u54ea\u4e9b\u6570\u636e\u7c7b\u578b\uff1f<\/strong><br \/>Tkinter\u7684\u9009\u9879\u6846\u4e3b\u8981\u652f\u6301\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u6570\u636e\uff0c\u56e0\u4e3a\u5b83\u4eec\u901a\u5e38\u7528\u4e8e\u663e\u793a\u6587\u672c\u9009\u9879\u3002\u7136\u800c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u6574\u6570\u6216\u5176\u4ed6\u6570\u636e\u7c7b\u578b\uff0c\u53ea\u8981\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u5f62\u5f0f\u3002\u901a\u8fc7\u8bbe\u7f6e\u4e00\u4e2a\u53d8\u91cf\uff08\u5982<code>StringVar<\/code>\u6216<code>IntVar<\/code>\uff09\uff0c\u53ef\u4ee5\u8f7b\u677e\u7ba1\u7406\u9009\u62e9\u7684\u503c\u5e76\u5728\u9700\u8981\u65f6\u8fdb\u884c\u8f6c\u6362\u3002<\/p>\n<p><strong>\u5982\u4f55\u5904\u7406Tkinter\u9009\u9879\u6846\u4e2d\u7684\u9009\u9879\u53d8\u5316\u4e8b\u4ef6\uff1f<\/strong><br \/>\u53ef\u4ee5\u4f7f\u7528<code>trace<\/code>\u65b9\u6cd5\u76d1\u63a7\u53d8\u91cf\u7684\u53d8\u5316\u3002\u5f53\u7528\u6237\u9009\u62e9\u4e0d\u540c\u7684\u9009\u9879\u65f6\uff0c\u60a8\u53ef\u4ee5\u8bbe\u7f6e\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u6765\u5904\u7406\u8fd9\u4e2a\u53d8\u5316\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n<pre><code class=\"language-python\">def option_changed(*args):\n    print(f&quot;\u5f53\u524d\u9009\u4e2d\u7684\u9009\u9879\u662f: {selected_option.get()}&quot;)\n\nselected_option.trace(&quot;w&quot;, option_changed)\n<\/code><\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6bcf\u5f53\u9009\u9879\u6846\u4e2d\u7684\u9009\u9879\u6539\u53d8\u65f6\uff0c<code>option_changed<\/code>\u51fd\u6570\u5c06\u88ab\u8c03\u7528\uff0c\u5e76\u6253\u5370\u51fa\u5f53\u524d\u9009\u4e2d\u7684\u9009\u9879\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u4f7f\u7528tkinter\u5e93\u53ef\u4ee5\u901a\u8fc7OptionMenu\u7ec4\u4ef6\u6765\u521b\u5efa\u9009\u9879\u6846\u3001\u8fd9\u662f\u4e00\u79cd\u4e0b\u62c9\u83dc\u5355\uff0c\u53ef\u4ee5\u8ba9\u7528 [&hellip;]","protected":false},"author":3,"featured_media":955256,"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\/955253"}],"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=955253"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/955253\/revisions"}],"predecessor-version":[{"id":955257,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/955253\/revisions\/955257"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/955256"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=955253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=955253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=955253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}