Python button选取本地图片并显示的实例
从本地文件夹中选取一张图片并在canvas上显示
fromtkinterimport* fromtkinterimportfiledialog fromPILimportImage,ImageTk if__name__=="__main__": root=Tk() #settingupatkintercanvaswithscrollbars frame=Frame(root,bd=2,relief=SUNKEN) frame.grid_rowconfigure(0,weight=1) frame.grid_columnconfigure(0,weight=1) xscroll=Scrollbar(frame,orient=HORIZONTAL) xscroll.grid(row=1,column=0,sticky=E+W) yscroll=Scrollbar(frame) yscroll.grid(row=0,column=1,sticky=N+S) canvas=Canvas(frame,bd=0,xscrollcommand=xscroll.set,yscrollcommand=yscroll.set) canvas.grid(row=0,column=0,sticky=N+S+E+W) xscroll.config(command=canvas.xview) yscroll.config(command=canvas.yview) frame.pack(fill=BOTH,expand=1) #functiontobecalledwhenmouseisclicked defprintcoords(): File=filedialog.askopenfilename(parent=root,initialdir="C:/",title='Chooseanimage.') filename=ImageTk.PhotoImage(Image.open(File)) canvas.image=filename#<---keepreferenceofyourimage canvas.create_image(0,0,anchor='nw',image=filename) Button(root,text='choose',command=printcoords).pack() root.mainloop()
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