def start_convert(): var1 = var_input_path.get() var2 = var_target_file_path.get() var3 = var_target_lan.get() var4 = var_target_dir_path.get() importUtils = Import.ImportUtils() isDir = callRB() # 导出是文件导出还是目录导出 if isDir: error = importUtils.xls2xml(var1, None, None, var4) # type: Constant.Error else: error = importUtils.xls2xml(var1, var2, var3, None) # type: Constant.Error if error is not None: if error.isError(): tkinter.messagebox.showerror(title='Error', message=error.get_desc(), parent=window) else: tkinter.messagebox.showinfo(title='congratulation', message=error.get_desc(), parent=window)