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C# code:
HttpFileCollection files = HttpContext.Current.Request.Files;
if (files.Count <= 1)
{
Page.ClientScript.RegisterClientScriptBlock(GetType(), "", "<script>alert('ÇëÌí¼ÓͼƬ¸½¼þ!'); hideWaitLayer();</script>");
}
else
{
try
{
for (int i = 0; i < files.Count; i++)
{
HttpPostedFile postedFile = files[i];
string filepath = System.IO.Path.GetFileName(postedFile.FileName);//»ñÈ¡ÎļþÃû
if (filepath != "")
{
string fileName = filepath.Substring(filepath.LastIndexOf("\\") + 1);
string fileExtensions = fileName.Substring(fileName.LastIndexOf(".") + 1);//»ñÈ¡ºó׺Ãû
//±ÜÃâÒ»´ÎÉÏ´«¶à¸öÔì³ÉÃüÃûÖظ´£¬ÌØ´ËÔÙʱ¼äºóÔÙ¼ÓÒ»¸öÐòºÅ£¬¿¼Âǵ½Óû§Á¿²»»áºÜ´ó£¬¸ü´óµÄ²¢·¢²Ù×÷ÔÚÕâÀï²»¿¼ÂÇ
string newFileName = DateTime.Now.ToString("yyyyMMddHHmmss") + i + "." + fileExtensions;
string serverPath = Server.MapPath("../Adjunct/ImagesNews/" + newFileName);