1.aspx
<asp:FileUpload ID="fudTest" runat="server" />
<asp:Button ID="btnUpload" runat="server" Text="上传" OnClick="btnUpload_Click" />
<br />
<asp:Label ID="lblMessage" runat="server"></asp:Label>
1.aspx.cs
//上传文件按钮
protected void btnUpload_Click(object sender, EventArgs e)
{
//定义保存路径
string savePath = "UploadFiles";
//是否存在目录
if (!System.IO.Directory.Exists(Server.MapPath(savePath)))
{
//不存在创建文件夹
System.IO.Directory.CreateDirectory(Server.M