Public number upload temporary footage get Media_id__java

public number upload temporary footage get media_id

Java language
Update to 2018-01-15

public class util{private static final String Upload_url = "https://api.weixin.qq.com/cgi-bin/media/upload?access_to
    Ken=access_token&type=type "; public static string UploadFile (String FilePath, String Accesstoken, String type) throws exception{file File = NE
        W File (FilePath); if (!file.exists () | | |!file.isfile ()) {throw new IOException ("file does not exist.")
        ");
        String url = upload_url.replace ("Access_token", Accesstoken). Replace ("type", type);

        URL urlobj = new URL (URL);

        Connection HttpURLConnection conn = (httpurlconnection) urlobj.openconnection ();
        Conn.setrequestmethod ("POST");
        Conn.setdoinput (TRUE);
        Conn.setdooutput (TRUE);

        Conn.setusecaches (FALSE);
        Request Head Conn.setrequestproperty ("Connection", "keep-alive");
        Conn.setrequestproperty ("Charset", "UTF-8");

        Conn.setrequestproperty ("Content-type", "multipart/form-data;"); Set Boundary String boundary = "----------" + system.currenttimemillis ();

        Conn.setrequestproperty ("Content-type", "multipart/form-data;boundary=" +boundary);
        StringBuilder sb = new StringBuilder ();
        Sb.append ("--");
        Sb.append (boundary);
        Sb.append ("\ r \ n");
        Sb.append ("content-disposition:form-data;name=\" file\ "filename=\" "+file.getname () +" \ "\ r \ n");

        Sb.append ("content-type:application/octet-stream\r\n\r\n");

        Byte[] head = sb.tostring (). GetBytes ("Utf-8");

        Output stream OutputStream out = new DataOutputStream (Conn.getoutputstream ());

        Out.write (head);
        File body part DataInputStream in = new DataInputStream (new FileInputStream (file));
        int bytes = 0;
        byte[] Bufferout = new byte[1024];
        while ((bytes = In.read (bufferout))!=-1) {out.write (bufferout,0,bytes);

        } in.close ();
        End byte[] Foot = ("\r\n--" + boundary + "--\r\n"). GetBytes ("Utf-8"); Out.write (foot);
        Out.flush ();

        Out.close ();
        Get response StringBuffer buffer = new StringBuffer ();
        BufferedReader reader = null;

        String result = null;
        reader = new BufferedReader (New InputStreamReader (Conn.getinputstream ()));
        String line = null;
        while (line = Reader.readline ())!= null) {buffer.append (line);
        } if (result = = null) {result = Buffer.tostring ();

        } reader.close ();
        Need to add Json-lib jar bundle Jsonobject JSON = jsonobject.fromobject (result);
        SYSTEM.OUT.PRINTLN (JSON);

        String mediaId = json.getstring ("media_id");
    return mediaId; }
}