C#文件压缩

using system.io.compression;

 

string tozippath = string.format("~/static/zip/{0}", dirname);                  //需要压缩的源文件
string tozipfilepath = string.format("~/static/zip/{0}", dirname + ".zip");  //压缩成新的zip文件

try
{
　　zipfile.createfromdirectory(server.mappath(tozippath), server.mappath(tozipfilepath));
}
catch (exception ex){}