public void ProcessRequest(HttpContext context)
{
if (AppBase.GetCookie("AdminId") == null)
{
this.context = context;
showError("对不起您尚未登录。");
}
else
{
String aspxUrl = context.Request.Path.Substring(0, context.Request.Path.LastIndexOf("/") + 1);
string userName = AppBase.CookieVal("AdminId");
//文件保存目录路径
String savePath = "/UploadResource/" + userName + "/";
//文件保存目录URL
//String saveUrl = aspxUrl + "/UploadFile/";
String saveUrl = "/UploadResource/" + userName + "/";
//定义允许上传的文件扩展名
Hashtable extTable = new Hashtable();
extTable.Add("image", "gif,jpg,jpeg,png,bmp,ico");
extTable.Add("flash", "swf,flv");
extTable.Add("media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb");
//extTable.Add("file", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2");
extTable.Add("file", "zip,rar,gz,bz2");
//最大文件大小
int maxSize = 1000000;
this.context = context;
HttpPostedFile imgFile = context.Request.Files["file"];
if (imgFile == null)
{
showError("请选择文件。");
}
String dirPath = context.Server.MapPath(savePath);
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
//showError("上传目录不存在。");
}
String dirName = context.Request.QueryString["dir"];
if (String.IsNullOrEmpty(dirName))
{
dirName = "image";
}
if (!extTable.ContainsKey(dirName))
{
showError("目录名不正确。");
}
String fileName = imgFile.FileName;
String fileExt = Path.GetExtension(fileName).ToLower();
if (imgFile.InputStream == null || imgFile.InputStream.Length > maxSize)
{
showError("上传文件大小超过限制。");
}
if (String.IsNullOrEmpty(fileExt) || Array.IndexOf(((String)extTable[dirName]).Split(','), fileExt.Substring(1).ToLower()) == -1)
{
showError("上传文件扩展名是不允许的扩展名。\n只允许" + ((String)extTable[dirName]) + "格式。");
}
//创建文件夹
dirPath += dirName + "/";
saveUrl += dirName + "/";
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
String ymd = DateTime.Now.ToString("yyyyMMdd", DateTimeFormatInfo.InvariantInfo);
dirPath += ymd + "/";
saveUrl += ymd + "/";
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
String newFileName = DateTime.Now.ToString("yyyyMMddHHmmss_ffff", DateTimeFormatInfo.InvariantInfo) + fileExt;
String filePath = dirPath + newFileName;
imgFile.SaveAs(filePath);
String fileUrl = saveUrl + newFileName;
Hashtable hash = new Hashtable();
hash["error"] = 0;
hash["url"] = fileUrl;
context.Response.AddHeader("Content-Type", "text/html; charset=UTF-8");
context.Response.Write(Newtonsoft.Json.JsonConvert.SerializeObject(hash));
context.Response.End();
}
}
