asp.net c# 压缩目录下全部文件与图片[网站编程]

第一个办法获得早年台获得的虚拟途径对应的绝对途径,第二个办法传入了图片存放的虚拟途径和据对途径获得这个虚拟途径下的文件然后调用file_imgzoom这个紧缩图片办法(介绍图片虚拟途径和返回紧缩成功或失利信息)举行图片紧缩 .

*/
/// <summary>
/// 紧缩文件夹下全部图片（通过递归）
/// </summary>
/// <param name="path">要紧缩的文件夹相对途径</param>
public static string image_zoomformdir(string path)
{

directoryinfo dirpath = new directoryinfo(httpcontext.current.server.mappath(path));
stringbuilder sb = new stringbuilder();
if (dirpath.exists)
{
sb.append(zoomallimage(dirpath, path));
}
return sb.tostring();
}

static string zoomallimage(directoryinfo dirpath, string path)
{
foreach (directoryinfo d in dirpath.getdirectories())
{
zoomallimage(d, path);
}

stringbuilder sb = new stringbuilder();
foreach (fileinfo f in dirpath.getfiles())
{
string msg = string.empty;

file_imgzoom(string.format("{0}/{1}", path,f.name), out msg);
sb.append(string.format("{0},"),msg);
}
return sb.tostring();
}