string strFePicSavePath = ConfigurationSettings.AppSettings["FePicSavePath"].ToString();
string strFePicThumbFormat = ConfigurationSettings.AppSettings["FePicThumbFormat"].ToString().ToLower();
int intFeThumbWidth = Int32.Parse(ConfigurationSettings.AppSettings["FePicThumbWidth"]);
string fileExt;
StringBuilder picInfo = new StringBuilder();
if(Page.IsValid)
{
for(int i = 0;i < Request.Files.Count; i )
{
HttpPostedFile PostedFile = Request.Files[i];
fileExt = (System.IO.Path.GetExtension(PostedFile.FileName)).ToString().ToLower();
imgNameOnly = System.IO.Path.GetFileName(PostedFile.FileName);
if(fileExt == ".jpg" || fileExt == ".gif" || fileExt == ".png")
{
if(System.IO.File.Exists(strFePicSavePath imgNameOnly) && (checkboxlistRewrite.Items[i].Selected == false))
{
erroNumber = erroNumber 1;
picInfo.Append("<b>错误：</b>文件(" (i 1) ") " imgNameOnly " 已经存在，请修改文件名<br/>" );
}
}
else
{
erroNumber = erroNumber 1;
picInfo.Append("<b>错误：</b>文件(" (i 1) ") " imgNameOnly " 扩展名 " fileExt " 不被许可<br/>" );
}
}
if(erroNumber > 0)
{
picInfo.Append("<font color=red>全部操作均未完成，请修改错误，再进行操作</font><br/>");
}
else
{
for(int i = 0;i < Request.Files.Count; i )
{
HttpPostedFile PostedFile = Request.Files[i];
imgNameOnly = System.IO.Path.GetFileName(PostedFile.FileName);
imgNameNoExt = System.IO.Path.GetFileNameWithoutExtension(PostedFile.FileName);
imgExt = System.IO.Path.GetExtension(PostedFile.FileName).ToString().ToLower();
oriImg = System.Drawing.Image.FromStream(PostedFile.InputStream);
newImg = oriImg.GetThumbnailImage(intFeThumbWidth, intFeThumbWidth * oriImg.Height/oriImg.Width,null,new System.IntPtr(0));
switch(imgExt)
{
//case ".jpeg":
case ".jpg":
oriImg.Save(strFePicSavePath imgNameOnly , System.Drawing.Imaging.ImageFormat.Jpeg);
break;
case ".gif":
oriImg.Save(strFePicSavePath imgNameOnly , System.Drawing.Imaging.ImageFormat.Gif);
break;
case ".png":
oriImg.Save(strFePicSavePath imgNameOnly , System.Drawing.Imaging.ImageFormat.Png);
break;
}
//oriImg.Save(ConfigurationSettings.AppSettings["FePicSavePath"] imgNameNoExt ".jpg", System.Drawing.Imaging.ImageFormat.Jpeg);
switch(strFePicThumbFormat)
{
//jpeg format can get the smallest file size, and the png is the largest size
//case "jpeg":
case "jpg":
newImg.Save(strFePicSavePath imgNameOnly "_thumb.jpg",System.Drawing.Imaging.ImageFormat.Jpeg);
imgThumbnail = imgNameOnly "_thumb.jpg";
break;
case "gif":
newImg.Save(strFePicSavePath imgNameOnly "_thumb.gif",System.Drawing.Imaging.ImageFormat.Gif);
imgThumbnail = imgNameOnly "_thumb.gif";
break;
case "png":
newImg.Save(strFePicSavePath imgNameOnly "_thumb.png",System.Drawing.Imaging.ImageFormat.Png);
imgThumbnail = imgNameOnly "_thumb.png";
break;
default:
newImg.Save(strFePicSavePath imgNameOnly "_thumb.jpg",System.Drawing.Imaging.ImageFormat.Jpeg);
imgThumbnail = imgNameOnly "_thumb.jpg";
break;
}//switch
picInfo.Append("<b>文件 名：</b>" imgNameOnly " ( " oriImg.Width " x " oriImg.Height " ) " PostedFile.ContentLength/1024 "KB<br/>");
picInfo.Append("<b>缩略图名：</b>" imgThumbnail " ( " newImg.Width " x " newImg.Height " )<br/><br/>");
oriImg.Dispose();
newImg.Dispose();
}//for
picInfo.Append("<font color=red>所有操作成功</font><br/>");
}// if erronumber = 0
}
else
{
picInfo.Append("<font color=red>有错误，请检查。操作未成功</font><br/>");
}
lblPicInfo.Text = picInfo.ToString();
}
</FONT>
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