<%@ WebHandler Language="C#" Class="UploadFile_m" %>

using System;
using System.Collections.Generic;
using System.Web;
using System.Data;
using System.Data.Common;
using System.Web.SessionState;
using System.Text;
using eMIS;
using System.Collections;
using System.IO;


public class UploadFile_m : IHttpHandler, IRequiresSessionState
{
    
    public void ProcessRequest (HttpContext context) 
	{
        if (context.Session["userid"] == null)
        {
            LoginManager lm = new LoginManager(context);
            lm.Login("400002");
            //if (!lm.VerifyIdentity())
            //{
            //    context.Response.Write("会话丢失，请重新登陆！");
            //    context.Response.End();
            //}
        }

        byte[] byteParsed = null;
        string filepath = "";
        string filename = "";
        try
        {
            int vals = context.Request.TotalBytes;
            byte[] bytes = context.Request.BinaryRead(vals);

            string strContent = System.Text.Encoding.UTF8.GetString(bytes);

            string[] stringCodes = strContent.Split('|');
            byteParsed = new byte[stringCodes.Length];
            for (int stringCodeCount = 0; stringCodeCount < stringCodes.Length; stringCodeCount++)
            {
                byteParsed[stringCodeCount] = Convert.ToByte(stringCodes[stringCodeCount]);
            }
            string wwwroot = context.Request.ApplicationPath;
            if (wwwroot == "/") wwwroot = "";

            filename = context.Request.Params["filename"].ToString() + "." + Guid.NewGuid().ToString();
            filepath = context.Request.Params["filepath"].ToString();
            if (filepath == "undefined") 
            {
                filepath = "/app_files/defult/";
            }
            filepath = wwwroot + filepath;


            //路径
            string toFileFullPath = context.Server.MapPath(filepath);
            //检查是否有该路径 没有就创建
            if (!Directory.Exists(toFileFullPath))
            {

                Directory.CreateDirectory(toFileFullPath);
            }

            toFileFullPath += filename;//物理路径
            

            FileStream fs = new FileStream(toFileFullPath, FileMode.Create, FileAccess.Write);
            BinaryWriter bw = new BinaryWriter(fs);
            bw.Write(byteParsed);
            bw.Close();
            fs.Close();
            context.Response.Write("ok!" + filepath + "/" + filename);
        }
        catch (Exception e)
        {
            context.Response.Write(e.ToString());
            return;
        }
    }
 
    public bool IsReusable {
        get {
            return false;
        }
    }
}