[文件管理] 批处理资源管理器

@echo off
:main
setlocal enabledelayedexpansion
 
:: 初始化配置
set "config_choice_options=:abcdefghijklmnopqrstuvwxyz1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ"
set "config_dir_order=/o:n"
set "config_dir_other=/a /b"
set "config_lines_per_page=10"
set "config_choice_setting_1=/c%config_choice_options% /cs /n"
set "config_last_page=1"
set "config_next_page=4"
set "config_to_page=5"
set "config_back=17"
set "config_file_open=15"
set "config_file_exit=17"
 
set "main_message=[!config_choice_options:~%config_last_page%,1!] 上一页   [!config_choice_options:~%config_next_page%,1!] 下一页   [!config_choice_options:~%config_to_page%,1!] 跳转到指定页   [!config_choice_options:~%config_back%,1!] 返回上级目录"
set "file_options=[!config_choice_options:~%config_file_open%,1!] 打开文件   [!config_choice_options:~%config_file_exit%,1!] 返回"
rem [!config_choice_options:~%%,1!]
 
:: 加载当前目录内容
:load_current_directory
set "current_dir=%cd%"
set /a current_page=1
set /a total_pages=1
set /a total_lines=0
for /f "tokens=*" %%a in ('dir "%current_dir%" %config_dir_order% %config_dir_other% /-c') do (
    set /a total_lines+=1
    set "files[!total_lines!]=%%a"
)
 
:: 计算总页数
set /a total_pages=(total_lines+config_lines_per_page-1)/config_lines_per_page
goto detect_user_action
REM goto show_current_page_1
REM goto :eof
 
:: 显示当前页
:show_current_page_1
set file_index=0
:show_selected_1
 
set /a start_line=(current_page-1)*config_lines_per_page+1
set /a end_line=start_line+config_lines_per_page-1
if %end_line% gtr %total_lines% set /a end_line=%total_lines%
set "selectedmark="
for /l %%i in (%start_line%,1,%end_line%) do (
    set "file_line=!files[%%i]!"
	set /a current_line = %%i - %start_line% + 1
	if %file_index% equ %%i (
		set "selectedmark=---"
	) else (
		set "selectedmark=   "
	)
	if exist "%current_dir%\!file_line!\*" (
        set "this_line[!current_line!]=^|%%i^|!selectedmark!目录 - !file_line!"
    ) else (
        set "this_line[!current_line!]=^|%%i^|!selectedmark!文件 - !file_line!"
    )
)
cls
echo 当前目录：%current_dir%
echo 当前页：%current_page% / %total_pages%
for /l %%i in (1,1,%current_line%) do (
	echo !this_line[%%i]!
)
echo.
REM goto detect_user_action
goto :eof
 
:show_current_page_2
REM 本部分代码未完善，但以下循环理论上可以正常显示。
for /f "tokens=* delims=" %%a in ('dir /b /a %config_dir_setting% ^| more +%start_line%') do (
    set /a counter+=1
    echo !counter!. %%a
	 REM  skip=%start_line%
    rem 这里根据文件或文件夹的类型进行标记
    rem 可以使用 if exist "%%a\" (echo [DIR]) else (echo [FILE])
    if !counter! equ %config_lines_per_page% goto next
)
 
goto :eof
:: 捕捉用户行为
:detect_user_action
call :show_current_page_1
echo 请选择操作：
echo [1-10(0代表10)] 选择文件/目录 
echo %main_message%
choice %config_choice_setting_1% /m "请按一下对应按键："
 
:: 处理用户输入
set /a error_level=%ERRORLEVEL%
 
:: 翻页操作
if %error_level% equ %config_last_page% (
    if %current_page% gtr 1 (
        set /a current_page-=1
    )
    goto detect_user_action
)
if %error_level% equ %config_next_page% (
    if %current_page% lss %total_pages% (
        set /a current_page+=1
    )
    goto detect_user_action
)
if %error_level% equ %config_to_page% (
   set /p "to_page=请输入要到达的页数:"
    if !to_page! lss 1 (
		set to_page = 1
	)
	if !to_page! gtr %total_pages% (
		set to_page = %total_pages%
	)
	set /a current_page = to_page
	goto detect_user_action
)
:: 返回上级目录
if %error_level% equ %config_back% (
    cd..
    goto load_current_directory
)
if %error_level% geq 27 (
    set /a file_index = %config_lines_per_page% * %current_page% - %config_lines_per_page% + %error_level% - 26
    REM if %file_index% lss %start_line% goto invalid_choice
    REM if %file_index% gtr %end_line% goto invalid_choice
	
    goto select_file_or_directory
)
REM :: 无效选择
REM :invalid_choice
echo 无效的选择，请重试...
timeout /t 2 >nul
goto detect_user_action
 
:: 处理文件或文件夹选择
:select_file_or_directory
set "file_name=!files[%file_index%]!"
if exist "%current_dir%\%file_name%\*" (
    cd "%current_dir%\%file_name%"
    goto load_current_directory
) else (
    goto file_options
)
goto select_file_or_directory
 
 
:: 文件操作菜单
:file_options
cls
call :show_selected_1
echo 已选择文件：[%file_index%] %file_name%
echo %file_options%
choice %config_choice_setting_1% /m "输入操作："
set /a error_level=%ERRORLEVEL%
 
if %error_level% equ %config_file_open% (
    start "" "%file_name%"
    goto detect_user_action
)
if %error_level% equ %config_file_exit% (
    goto detect_user_action
)
goto file_optionsCOPY