我来自java,只想创建一个带有图片的图形用户界面,但是图片正在动态变化,我不知道它将是哪张图片......但它不起作用,我只能创建一个图像并且无法在 root.mainloop() 之外更改它并收到大量错误消息... 有人知道如何动态更改图像吗? 非常感谢
import tkinter as tk from PIL import Image, ImageTk def add_image_to_gui(root, image_path): # Load image image = Image.open(image_path) # Convert image to Tkinter-compatible format tk_image = ImageTk.PhotoImage(image) # Create label and display image image_label = tk.Label(root, image=tk_image) image_label.image = tk_image # Keep reference to the image to prevent it from being garbage collected image_label.pack() def create_gui(window_title, window_size, image_path): # Create Tkinter window root = tk.Tk() root.title(window_title) root.geometry(window_size) # Add image add_image_to_gui(root, image_path) # Start Tkinter event loop root.mainloop() return root if __name__ == "__main__": window_title = "Simple GUI" window_size = "1495x1020" image_path = "Bilder/Hauptfenster.png" root = create_gui(window_title, window_size, image_path)
chatgpt,谷歌搜索,但似乎没有人像我一样遇到同样的问题......
为了在一段时间后切换图像,您需要调用某种类型的函数来更改它。由于此 gui 没有按钮,最简单的方法是使用 tkinter.tk().after
安排将来的更新,并让该函数更改标签图像。
下面是一些示例代码,展示了如何通过最少的修改来实现这一目标:
编辑:更新注释中的附加信息,另一个函数将提供文件路径,对 function_that_yields_new_image_paths
的调用将被替换。
import tkinter as tk from PIL import Image, ImageTk def add_image_to_gui(root): image_label = tk.Label(root) image_label.pack() return image_label def update_image(root, image_label): image = Image.open(function_that_yields_new_image_paths()) tk_image = ImageTk.PhotoImage(image) image_label.configure(image=tk_image) image_label.image = tk_image root.after(1000, update_image, root, image_label) def function_that_yields_new_image_paths(): import numpy image_path1 = "a.png" image_path2 = "b.png" return numpy.random.choice((image_path1, image_path2)) def create_gui(window_title, window_size): # Create Tkinter window root = tk.Tk() root.title(window_title) root.geometry(window_size) # Add image image_label = add_image_to_gui(root) root.after(1, update_image, root, image_label) # Start Tkinter event loop root.mainloop() return root if __name__ == "__main__": window_title = "Simple GUI" window_size = "1495x1020" root = create_gui(window_title, window_size)
如果您有任何疑问,请告诉我。
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