【ASP】ASP.NET FileUpload 上传图片实例-NET-FileUpload

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ASP.NET FileUpload 上传图片实例

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Drawing;
public partial class practice_FileUpload : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btn_upload_Click(object sender, EventArgs e)
{
if (Page.IsValid)
{
string path=@Page.MapPath("User_Edit.aspx").Replace("User_Edit.aspx", "") + "Documents\\";
string s=path + Session["UserName"].ToString();
if (!System.IO.Directory.Exists(path + Session["UserName"].ToString()))
{
System.IO.Directory.CreateDirectory(path + Session["UserName"].ToString());
}
if (FileUpload1.HasFile)
{
FileUpload1.SaveAs(Server.MapPath("~/Seeker/Documents/" + Session["UserName"].ToString() + "/" + this.FileUpload1.FileName));
}
}
}
protected void Image_validate(object source, ServerValidateEventArgs args)
{
string fileExt=Path.GetExtension(FileUpload1.FileName).ToLower();
string fileName=Path.GetFileName(FileUpload1.FileName);
if (fileExt !=".jpg" && fileExt !=".gif")
{
args.IsValid=false;
}
}
protected void CustomValidator2_ServerValidate(object source, ServerValidateEventArgs args)
{
Bitmap bmIP=new Bitmap(FileUpload1.PostedFile.InputStream);
if (bmIP.Width > 100 | bmIP.Height > 100)
{
args.IsValid=false;
}
else
{
args.IsValid=true;
}
}
}

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