[Android Pro] http請求中傳輸base64出現加號變空格的解決辦法

reference to : http://blog.csdn.net/jsjwbxzy/article/details/45970231

    try {
        des = URLEncoder.encode(des, "UTF-8");
    } catch (UnsupportedEncodingException e) {
        e.printStackTrace();
    }