删除指定目录下，所有在某个指定分钟以前的文件，可以用来清理经常生成很多文件的目录，但又需要保留最新的一部分文件

支持拖放目录到界面

应用场景比如：游戏定时存档，日志目录、监控文件目录等

关于这个删除后备份，我的需求是这样，如果你要的是删除前备份，可以把_del()函数里的_bak()调用放到最前面

不多废话，直接上代码

SetWorkingDir %A_ScriptDir%

SplitPath, A_ScriptName,,,,IniFile
IniFile = %IniFile%.ini

Gui New, -0x10000 -0x30000 ;无最小化和最大坏按钮
Gui Font, s9, Segoe UI

Gui Add, Text, x10 y15 w34 h20 +0x200, 目录:
Gui Add, Edit, vEdtFolder gOnEdtFolderChange x64 y14 w299 h21

Gui Add, Text, x10 y51 w48 h23 +0x200, 分钟前:
Gui Add, Edit, vEdtMin gOnEdtMinChange x63 y51 w26 h21

Gui Add, CheckBox, vChkBak gOnChkBakChange x10 y88 w85 h23, 删除后备份

Gui Add, Text, x115 y50 w98 h23 +0x200, 检测间隔[分钟]：
Gui Add, Edit, vEdtInterval gOnEdtIntervalChange x216 y50 w26 h21

Gui Add, Edit, vEdtZipFile gOnEdtZipFileChange x100 y88 w265 h21

Gui Add, Button, gOnBtnStart x147 y130 w72 h23, 开始监视

;读取INI赋值
IniRead, Folder, % IniFile, Base, Folder
if (Folder = "" || Folder == "ERROR")
    Folder = 拖放文件夹到这里
IniRead, Min, % IniFile, Base, Min
if (Min = "" || Min == "ERROR")
    Min = 30
IniRead, Interval, % IniFile, Base, Interval
if (Interval = "" || Interval == "ERROR")
    Interval = 5
IniRead, IsBackup, % IniFile, Base, IsBackup
if (IsBackup = "" || IsBackup == "ERROR")
    IsBackup = 0
IniRead, ZipFile, % IniFile, Base, ZipFile
if (ZipFile = "" || ZipFile == "ERROR")
    ZipFile = 备份文件路径 [扩展名:.zip]
GuiControl,, EdtFolder, % Folder
GuiControl,, EdtMin, % Min
GuiControl,, EdtInterval, % Interval
GuiControl,, ChkBak, % IsBackup
GuiControl,, EdtZipFile, % ZipFile

Gui Show, w371 h169, 删除目录下指定分钟以前的文件
Return

OnEdtFolderChange:
global Folder
GuiControlGet, Folder, , EdtFolder
;MsgBox % Folder
IniWrite % Folder,  % IniFile, Base, Folder
Return

OnEdtMinChange:
global Min
GuiControlGet, Min, , EdtMin
IniWrite % Min,  % IniFile, Base, Min
Return

OnEdtIntervalChange:
global Interval
GuiControlGet, Interval, , EdtInterval
IniWrite % Interval,  % IniFile, Base, Interval
Return

OnChkBakChange:
global IsBackup
GuiControlGet, IsBackup, , ChkBak
IniWrite % IsBackup,  % IniFile, Base, IsBackup
Return

OnEdtZipFileChange:
global ZipFile
GuiControlGet, ZipFile, , EdtZipFile
IniWrite % ZipFile,  % IniFile, Base, ZipFile
Return

GuiDropFiles:
Loop, Parse, A_GuiEvent, `n
{
    global IniFile

    FirstFile = %A_LoopField%

    FileGetAttrib, Attributes, % FirstFile
    IfInString, Attributes, D ;是目录
        ;MsgBox This is a directory.
        GuiControl,, EdtFolder, % FirstFile ;自动调用onChange
    break
}
Return

OnBtnStart:
global Folder
if !FileExist(Folder)
{
    MsgBox 目录不存在！
    return
}

Gui, Hide

global Interval
_del()
SetTimer _del, % Interval * 60 * 1000
Return

GuiEscape:
GuiClose:
    ExitApp

_del(){
    global Folder ;必须引用
    global Min

    Loop  %Folder%\*
    {
        ;计算文件的最后修改时间距离当前时间的分钟数
        TimeNow := A_Now
        EnvSub TimeNow, A_LoopFileTimeModified, Minutes

        ;如果文件的最后修改时间超过了指定的分钟数，就删除该文件
        if (TimeNow > Min)
        {
            ;MsgBox %A_LoopFileFullPath%

            ;尽可能删除到回收站，否则使用FileDelete
            FileRecycle %A_LoopFileFullPath%
        }
    }

    _bak()
}

_bak()
{
    global Folder
    global ZipFile

    IfExist %ZipFile%
        FileRecycle %ZipFile%

    ;双引号路径可以处理空格
    Run 7z.exe a -tzip -r "%ZipFile%" "%Folder%",,Hide
}