相关疑难解决方法(0)

我的上传代码如下:

String end = "\r\n";
String twoHyphens = "--";
String boundary = "*****";
try {
    URL url = new URL(ActionUrl);
    HttpURLConnection con = (HttpURLConnection) url.openConnection();
    con.setDoInput(true);
    con.setDoOutput(true);
    con.setUseCaches(false);
    con.setRequestMethod("POST");
    con.setRequestProperty("Connection", "Keep-Alive");
    con.setRequestProperty("Accept", "text/*");
    con.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
    DataOutputStream ds = new DataOutputStream(con.getOutputStream());
    ds.writeBytes(twoHyphens + boundary + end);
    ds.writeBytes("Content-Disposition: form-data;" + "name=\"folder\"" + end + end);
    ds.write(SavePath.getBytes("UTF-8"));
    ds.writeBytes(end);
    ds.writeBytes(twoHyphens + boundary + end);
    ds.writeBytes("Content-Disposition: form-data;" + "name=\"Filedata\"; filename=\"");
    ds.write(FileName.getBytes("UTF-8"));
    ds.writeBytes("\"" + end);
    ds.writeBytes(end);
    FileInputStream fStream = new FileInputStream(uploadFilepath+""+FileName);
    int bufferSize …

在Android代码中将多部分实体映像上传到服务器期间的状态代码500

Html格式:( 可以成功添加图像到服务器)

 <form method="post" action="http://xyz/upload_picture" enctype="multipart/form-data">

      Sample Picture Upload Form Submit

      <br/><br/>

      API key: <input type="text" name="key" value="abc"><br/><br/>
      Login: <input type="text" name="login" value="text"><br/>
      Password: <input type="password" name="password" value="text"><br/><br/>

      Property ID:<input type="text" name="property_id" value="111"><br/>
      Picture File:<input type="file" name="picture"><br/><br/>

      <br/><br/>
      <input type="submit" name="" value="Upload Picture"><br/>

    </form>

Android代码:( 状态代码500)

   HttpClient httpclient = new DefaultHttpClient();
            HttpPost httppost = new HttpPost(
                    "http://xyz/upload_picture");

            try {
                MultipartEntity entity = new MultipartEntity();

                entity.addPart("key", new StringBody("abc"));
                entity.addPart("login", new StringBody("abc"));
                entity.addPart("password", new StringBody("test"));
                entity.addPart("property_id", new StringBody("111"));


                File file = …