[Android] Http Post 를 이용하여 파일전송 (ASP .net)

Android

public void HttpFileUpload(String urlString, String params, String fileName) 
{
	String lineEnd = "\r\n";
	String twoHyphens = "--";
	String boundary = "*****"; 
	
	try 
	{
		FileInputStream mFileInputStream = new FileInputStream(fileName); 
		URL connectUrl = new URL(urlString);
		Log.d("Test", "mFileInputStream  is " + mFileInputStream);

// open connection 

		HttpURLConnection conn = (HttpURLConnection)connectUrl.openConnection();   

		conn.setDoInput(true);
		conn.setDoOutput(true);
		conn.setUseCaches(false);

		conn.setRequestMethod("POST");
		conn.setRequestProperty("Connection", "Keep-Alive");
		conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary);

// write data

		DataOutputStream dos = new DataOutputStream(conn.getOutputStream());
		dos.writeBytes(twoHyphens + boundary + lineEnd);
		dos.writeBytes("Content-Disposition: form-data; name=\"uploadedfile\";filename=\"" + fileName+"\"" + lineEnd);
		dos.writeBytes(lineEnd);


		int bytesAvailable = mFileInputStream.available();
		int maxBufferSize = 1024;
		int bufferSize = Math.min(bytesAvailable, maxBufferSize);

		byte[] buffer = new byte[bufferSize];
		int bytesRead = mFileInputStream.read(buffer, 0, bufferSize);

		Log.d("Test", "image byte is " + bytesRead);

// read image

		while (bytesRead > 0) 
		{
			dos.write(buffer, 0, bufferSize);
			bytesAvailable = mFileInputStream.available();
			bufferSize = Math.min(bytesAvailable, maxBufferSize);
			bytesRead = mFileInputStream.read(buffer, 0, bufferSize);
		}
		dos.writeBytes(lineEnd);
		dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd);

// close streams

		Log.e("Test" , "File is written");

		mFileInputStream.close();
		dos.flush(); // finish upload...   

// get response

		int ch;
		InputStream is = conn.getInputStream();
		StringBuffer b =new StringBuffer();

		while( ( ch = is.read() ) != -1 )
		{
			b.append( (char)ch );
		}
		String s=b.toString();
		Log.e("Test", "result = " + s);
		dos.close();
	} 
	catch (Exception e) 
	{
		Log.d("Test", "exception " + e.getMessage());
// TODO: handle exception
	}  
}

ASP.net

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Test
{
    public partial class get_image : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            // 업로드할 파일 정의를 가지고 온다. uploadedfile은 안드로이드 소스 지정한 레이블임으로 반드시 동일해야함
            HttpPostedFile fp = Request.Files["uploadedfile"];

            // 저장할 폴더 - 웹서버의 Upload 디렉토리에 파일 저장(파일 업로드시에는 서버의 절대 경로가 반드시 필요함)
            string targetDirectory = Request.PhysicalApplicationPath + "Upload";
            targetDirectory = targetDirectory + "\\aaa.jpg";

            string file_name = fp.FileName;

            try
            {
                fp.SaveAs(targetDirectory);
            }
            catch (Exception ex)
            {
                Response.Write(ex.Message);
                return;
            }
            // 업로드 성공
            Response.Write("Uploaded =" + targetDirectory);
        
        }
    }
}