Android HttpClient上传文件

public String post(String pathToOurFile,String urlServer) throws ClientProtocolException, IOException, JSONException {
HttpClient httpclient = new DefaultHttpClient();
//设置通信协议版本
httpclient.getParams().setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1);

//File path= Environment.getExternalStorageDirectory(); //取得SD卡的路径

//String pathToOurFile = path.getPath()+File.separator+"ak.txt"; //uploadfile
//String urlServer = "http://192.168.1.88/test/upload.php";

HttpPost httppost = new HttpPost(urlServer);
File file = new File(pathToOurFile);

MultipartEntity mpEntity = new MultipartEntity(); //文件传输
ContentBody cbFile = new FileBody(file);
mpEntity.addPart("userfile", cbFile); // <input type="file" name="userfile" />  对应的

httppost.setEntity(mpEntity);
System.out.println("executing request " + httppost.getRequestLine());

HttpResponse response = httpclient.execute(httppost);
HttpEntity resEntity = response.getEntity();

System.out.println(response.getStatusLine());//通信Ok
String json="";
String path="";
if (resEntity != null) {
//System.out.println(EntityUtils.toString(resEntity,"utf-8"));
json=EntityUtils.toString(resEntity,"utf-8");
JSONObject p=null;
try{
p=new JSONObject(json);
path=(String) p.get("path");
}catch(Exception e){
e.printStackTrace();
}
}
if (resEntity != null) {
resEntity.consumeContent();
}

httpclient.getConnectionManager().shutdown();
return path;
}