aspx：
<ul style="list-style: none;display:none" class="boxs1">
<li>
<asp:Label ID="Label3" runat="server" Text="选择文件："></asp:Label>
</li>
<li>
<asp:FileUpload ID="filehtml" runat="server" Width="" Height="24px" />
</li>
</ul>
cs：
private string GetContentUrl()
{
string contenturl = "";
if (this.filehtml.HasFile) //---or has the file
//if(this.filehtml.FileName.ToString() != "")
{
string filename = this.filehtml.FileName;
string strExtName = filename.Substring(filename.LastIndexOf('.'));
if (strExtName == ".rar")
{
string strPathAndName = Server.MapPath("../filehtml/") + filename;
filehtml.PostedFile.SaveAs(strPathAndName);
string strPreFileName = filename.Substring(0, filename.LastIndexOf('.'));
strPreFileName += ".htm";
//解压Rar文件
filename = "imagfile" + DateTime.Now.ToString("yyyyMMddHHmmssfffff");
string ServerDir = @"C:Program FilesiRAR";//rar路径
System.Diagnostics.Process Process1 = new Process();
Process1.StartInfo.FileName = ServerDir + "\WinRAR.exe";
Directory.CreateDirectory(Server.MapPath("../filehtml/") + filename); //创建解压文件夹
Process1.StartInfo.Arguments = " x -inul -y " + strPathAndName + " " + Server.MapPath("../filehtml/") + filename;
Process1.Start();//解压开始
while (!Process1.HasExited) //等待解压的完成
{
}
contenturl = Tools.GetImagePathHeader(Request.Url.AbsoluteUri) + "filehtml/" + filename + "/" + strPreFileName; ;
}
else
{
filename = "htl" + DateTime.Now.ToString("yyyyMMddHHmmssfffff") + filename.Substring(filename.LastIndexOf('.'));
filehtml.SaveAs(Server.MapPath("../filehtml/") + filename);
contenturl = Tools.GetImagePathHeader(Request.Url.AbsoluteUri) + "filehtml/" + filename;
}
}
return contenturl;
}