<asp:FileUpload ID="FileUpload1" runat="server" />我用的是控件。。
后台代码是
if (Page.IsValid)
{
string savePath = @"../UploadFiles/";
string savePath1 = @"../UploadFiles/smaill/";
string fileName = Server.HtmlEncode(FileUpload1.FileName);
string extension = System.IO.Path.GetExtension(fileName);
string ImageName = null;
if ((extension == ".jpg") | (extension == ".gif"))
{
ImageName = DateTime.Now.ToString("yyyyMMddhhmmssfff") + extension;
savePath += ImageName;
savePath1 += ImageName;
savePath = Server.MapPath(savePath);
savePath1 = Server.MapPath(savePath1);
FileUpload1.SaveAs(savePath);
//生成小图
ImageClass.ImageClass imageClass = new ImageClass.ImageClass();
imageClass.ShowThumbnail(savePath, savePath1,200,153);
}
else
{
Response.Write("<script>alert('文件上传格式错误');history.back(1);</script>");
Response.End();
}在网上找都是JS里的。。我想请各位指教一下我这段代码改如何修改。。才能有该功能
后台代码是
if (Page.IsValid)
{
string savePath = @"../UploadFiles/";
string savePath1 = @"../UploadFiles/smaill/";
string fileName = Server.HtmlEncode(FileUpload1.FileName);
string extension = System.IO.Path.GetExtension(fileName);
string ImageName = null;
if ((extension == ".jpg") | (extension == ".gif"))
{
ImageName = DateTime.Now.ToString("yyyyMMddhhmmssfff") + extension;
savePath += ImageName;
savePath1 += ImageName;
savePath = Server.MapPath(savePath);
savePath1 = Server.MapPath(savePath1);
FileUpload1.SaveAs(savePath);
//生成小图
ImageClass.ImageClass imageClass = new ImageClass.ImageClass();
imageClass.ShowThumbnail(savePath, savePath1,200,153);
}
else
{
Response.Write("<script>alert('文件上传格式错误');history.back(1);</script>");
Response.End();
}在网上找都是JS里的。。我想请各位指教一下我这段代码改如何修改。。才能有该功能
if (FileUpload1.PostedFile.ContentLength < 102400)
{ }
else{
//超过100K了
}
{
提示文件超过100K了。
}
else
{
你要执行的代码。
}