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        上传|             取消上传    
    
      
    
      
    
     

.UploadHandler.ashx

public class UploadHandler : IHttpHandler    {        public void ProcessRequest(HttpContext context)        {            context.Response.ContentType = "text/plain";            context.Response.Charset = "utf-8";            string student_id = CommonClass.Request.GetRequest
     
      ("student_id", "");            HttpPostedFile file = context.Request.Files["Filedata"];            string uploadPath =                HttpContext.Current.Server.MapPath(@context.Request["folder"]) + "\\";            if (file != null)            {                if (!Directory.Exists(uploadPath))                {                    Directory.CreateDirectory(uploadPath);                }                file.SaveAs(uploadPath + file.FileName);                //以下这句代码缺少的话，上传成功后上传队列的显示不会自己主动消失                context.Response.Write("1");            }            else            {                context.Response.Write("0");            }        }        public bool IsReusable        {            get            {                return false;            }        }    }