asp.net自动从项目中的特定文件夹中删除数据 [英] asp.net auto delete data from a specific folder in a project

问题描述

你好



我有一个网络项目，旁边有一个文件夹，我上传了一些文件然后放了。



我想在超过50 MB的时候删除该文件。





有没有slution那么请帮助我。

hello

I have a web project and in side that there is a folder where i am upload some file and put that.

I want to delete that file when it exceed to 50 MB.


Is there any slution then please help me.

推荐答案

你必须创建一个Web服务，定期检查文件夹的大小，如果它超过特定大小，则清空文件夹。



private void clearFolder（string FolderNameWithPath）

{

DirectoryInfo dir = new DirectoryInfo（FolderName）;



foreach（文件信息fi在dir.GetFiles（）中）

{

fi.Delete（）; < br $>
}



foreach（目录信息在dir.GetDirectories（）中）

{

clearFolder（di.FullName）;

di.Delete（）;

}

}



或者你可以使用



System.IO.Directory.Delete（C：\ Temp，true）;

you must create a web service that will check periodically the size of folder and if it will exceed then specific size then empty the folder.

private void clearFolder(string FolderNameWithPath)
{
DirectoryInfo dir = new DirectoryInfo(FolderName);

foreach(FileInfo fi in dir.GetFiles())
{
fi.Delete();
}

foreach (DirectoryInfo di in dir.GetDirectories())
{
clearFolder(di.FullName);
di.Delete();
}
}

Or you can use

System.IO.Directory.Delete("C:\Temp", true);

DirectoryInfo dirInfo = new DirectoryInfo(@"D:\Songs");
            long total = 0;
            long sizePerMb = 1024;
            foreach (FileInfo file in dirInfo.GetFiles())
            {
                total += Convert.ToInt32(file.Length);
            }
            long size = total / sizePerMb;
            size = size / sizePerMb;
            if (size >= 50)
            { 
//write here logic to delete file after deleting again check size if it's OK then break loop else keep continue.
}

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