我想编写一个文本编辑器,但是它在‘替换’工具中出了问题。
def __replace(self, ta, tb, num, root: tk.Toplevel):
if num == -1:
a = self.get()
a = a.replace(ta, tb)
self.edit(a)
elif num >= 0:
pass
else:
a = self.get()
a = a.replace(ta, tb, num)
self.edit(a)
root.destroy()
def replace(self):
root = tk.Toplevel(self.root)
root.title('替换')
label = tk.Label(root, text=u'原始内容:')
label.pack(padx=10,pady=10)
entry = tk.Entry(root)
entry.pack(padx=10,pady=10)
label2 = tk.Label(root, text=u'替换为:')
label2.pack(padx=10,pady=10)
entry2 = tk.Entry(root)
entry2.pack(padx=10,pady=10)
label3 = tk.Label(root, text='次数(-1为全部替换)')
label3.pack(padx=10,pady=10)
entry3=tk.Entry(root)
entry3.pack(padx=10,pady=10)
btn=tk.Button(root,text='替换!',command=lambda event: self.__replace(entry.get(),entry2.get(),entry3.get(),root))
btn.pack(padx=10,pady=10)