Android客户端post上传字段和多张图片 c#接收

POST图片格式：

--BOUNDARY\r\n(字段描述)\r\n\r\n123

\r\n--BOUNDARY\r\n

(文件描述)\r\n\r\n(byte) 

\r\n--BOUNDARY\r\n

(文件描述)\r\n\r\n(byte)

\r\n--BOUNDARY\r\n

(文件描述)\r\n\r\n(byte)\r\n

--BOUNDARY--\r\n

代码：


<%@ WebHandler Language="C#" Class="test" %>

using System;
using System.Web;
using System.IO;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System.Collections;
using System.Text;

using System.Text.RegularExpressions;
using System.Drawing;


public class test : IHttpHandler {
   
    public void ProcessRequest (HttpContext context) {
       // context.Response.ContentType = "text/plain";
              
        //userbean ub = new userbean("17","mhkbluesky","560506");
        //string ja = JsonConvert.SerializeObject(ub);
     
       // Param(context);
        
      // context.Response.Write(con);

        int pos = 0;
        int pos2 = 0;
        string boundary = "-----------7d4a6d158c9";
        string splitstr="\r\n"+boundary;
        byte[] splitbyte=Encoding.UTF8.GetBytes(splitstr);//字节数是24
        byte[] splitrn = Encoding.UTF8.GetBytes("\r\n\r\n");//字节数是4
        string lastboundary = "\r\n-----------7d4a6d158c9--";
        byte[] splitlast = Encoding.UTF8.GetBytes(lastboundary);
        string fieldvalue="";
        byte[] shybyte;
        bool flag = true;