python tkiner實現 一個小小的圖片翻頁功能的示例程式碼
阿新 • • 發佈:2020-06-27
具體程式碼如下所示:
import tkinter as tk import tkinter.messagebox import copy import os,sys def get_picture(dirs): '''獲得所有圖片''' picture_list = [] for dir,dir_abs,files in os.walk(dirs): for file in files: if file.endswith('.gif'): picture_list.append(os.path.join(dir,file)) return picture_list class Window: button_list = [] object_list = [] pictures = get_picture(picture_path) file = pictures[0] is_show = True index = 0 image_file = '' def __init__(self): '''建立視窗和frame''' self.window = tk.Tk() self.window.title('my window') self.window.geometry('600x600') self.frame = tk.Frame(self.window) self.frame.pack() self.frame_l = tk.Frame(self.frame) self.frame_r = tk.Frame(self.frame) self.frame_l.pack(side='left') self.frame_r.pack(side='right') self.frame_ll = tk.Frame(self.frame_r) self.frame_rr = tk.Frame(self.frame_r) self.frame_ll.pack(side='left') self.frame_rr.pack(side='right') def next_picture(self): '''下一張圖片''' self.index = self.pictures.index(self.file) self.index += 1 if self.index < len(self.pictures): self.checkout_button() self.file = self.pictures[self.index] self.create_canvas(self.file) else: self.index = len(self.pictures) - 1 tkinter.messagebox.showinfo('提示','已近是最後一張了') def checkout_button(self): '''判斷列表中是否只有button物件''' object_list_copy = copy.copy(self.object_list) for ob in self.object_list: if ob in self.button_list: pass else: b = object_list_copy.pop(self.object_list.index(ob)) b.destroy() self.object_list = object_list_copy def pre_picture(self): '''上一頁''' self.index = self.pictures.index(self.file) self.index -= 1 if self.index >= 0: self.checkout_button() self.file = self.pictures[self.index] self.create_canvas(self.file) else: self.index = 0 tkinter.messagebox.showinfo('提示','已經是第一張了') def show_picture(self): '''展示圖片和翻頁按鈕''' self.file = self.pictures[0] if self.is_show: self.is_show = False self.create_canvas(self.file) button1 = tk.Button(self.frame_ll,text='上一張',width=10,height=1,command=self.pre_picture) button1.pack() button2 = tk.Button(self.frame_rr,text='下一張',command=self.next_picture) button2.pack() self.button_list.append(button1) self.button_list.append(button2) self.object_list.extend(self.button_list) else: self.is_show = True while self.object_list: o = self.object_list.pop() o.destroy() def new_button(self): '''建立展示按鈕''' tk.Button(self.frame_l,text='圖片展示',command=self.show_picture).pack() def create_canvas(self,file): '''用畫布展示圖片''' self.image_file = tk.PhotoImage(file=file) canvas = tk.Canvas(self.frame_r,height=500,width=600) canvas.create_image(1,1,anchor='nw',image=self.image_file) canvas.pack() self.object_list.append(canvas) def run(self): '''主程式呼叫''' self.window.mainloop() if __name__ == '__main__': w = Window() w.new_button() w.run()
樣式如下:有點醜,不過功能沒毛病,就先這麼著吧~~~
點選圖片展示之後
上一頁下一頁可以用,再次點選圖片展示
總結
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