public static String getContent(String url) throws Exception {
    StringBuilder sb = new StringBuilder();

    HttpClient client = new DefaultHttpClient();
    HttpParams httpParams = (HttpParams) client.getParams();
    // 设置网络超时参数
    HttpConnectionParams.setConnectionTimeout(httpParams, 3000);
    HttpConnectionParams.setSoTimeout(httpParams, 5000);
    HttpResponse response = client.execute(new HttpGet(url));
    HttpEntity entity = response.getEntity();
    if (entity != null) {
        BufferedReader reader = new BufferedReader(new InputStreamReader(
                entity.getContent(), "GBK"), 8192);
        String line = null;
        while ((line = reader.readLine()) != null) {
            sb.append(line);
        }
        reader.close();
    }
    return sb.toString();
}
 

@Override
protected String doInBackground(Void... params) {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(url);
    try {
        HttpResponse response = httpClient.execute(httpGet);
        HttpEntity httpEntity = response.getEntity();
        return EntityUtils.toString(httpEntity);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}
 

@Override
protected String doInBackground(Void... params) {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(url);
    try {
        HttpResponse response = httpClient.execute(httpGet);
        HttpEntity httpEntity = response.getEntity();
        return EntityUtils.toString(httpEntity);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}
 

@Override
protected String doInBackground(Void... params) {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(url);
    try {
        HttpResponse response = httpClient.execute(httpGet);
        HttpEntity httpEntity = response.getEntity();
        return EntityUtils.toString(httpEntity);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}
 

@Override
protected String doInBackground(Void... params) {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(url);
    try {
        HttpResponse response = httpClient.execute(httpGet);
        HttpEntity httpEntity = response.getEntity();
        return EntityUtils.toString(httpEntity);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}
 

@Override
protected String doInBackground(Void... params) {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(final_url);
    try {
        HttpResponse response = httpClient.execute(httpGet);
        HttpEntity httpEntity = response.getEntity();
        return EntityUtils.toString(httpEntity);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}
 

@Override
protected String doInBackground(Void... params) {
    HttpClient httpClient = new DefaultHttpClient();
    HttpGet httpGet = new HttpGet(getResources().getString(R.string.get_user_info_url) + token);
    try {
        HttpResponse response = httpClient.execute(httpGet);
        HttpEntity httpEntity = response.getEntity();
        return EntityUtils.toString(httpEntity);
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}
 

@Override
protected String doInBackground(Void... params) {
    HttpClient httpClient = new DefaultHttpClient();
    try {
        HttpGet httpGet = new HttpGet(url);
        HttpResponse response = httpClient.execute(httpGet);
        HttpEntity httpEntity = response.getEntity();
        return EntityUtils.toString(httpEntity);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}
 

public static String getResponseFromGetUrl(String url,
                                               String params) throws Exception {
        Log.d("Chen", "url--" + url);
        if (null != params && !"".equals(params)) {

            url = url + "?";

            String[] paramarray = params.split(",");

            for (int index = 0; null != paramarray && index < paramarray.length; index++) {

                if (index == 0) {

                    url = url + paramarray[index];
                } else {

                    url = url + "&" + paramarray[index];
                }

            }

        }

        HttpGet httpRequest = new HttpGet(url);

//        httpRequest.addHeader("Cookie", logininfo);

        HttpParams httpParameters = new BasicHttpParams();
        // Set the timeout in milliseconds until a connection is established.
        int timeoutConnection = 30000;
        HttpConnectionParams.setConnectionTimeout(httpParameters,
                timeoutConnection);
        // Set the default socket timeout (SO_TIMEOUT)
        // in milliseconds which is the timeout for waiting for data.
        int timeoutSocket = 30000;
        HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
        DefaultHttpClient httpclient = new DefaultHttpClient(httpParameters);

        // DefaultHttpClient httpclient = new DefaultHttpClient();
        StringBuffer sb = new StringBuffer();


        try {
            HttpResponse httpResponse = httpclient.execute(httpRequest);

            String inputLine = "";
            // Log.d("Chen","httpResponse.getStatusLine().getStatusCode()"+httpResponse.getStatusLine().getStatusCode());
            if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {

                InputStreamReader is = new InputStreamReader(httpResponse
                        .getEntity().getContent());
                BufferedReader in = new BufferedReader(is);
                while ((inputLine = in.readLine()) != null) {

                    sb.append(inputLine);
                }

                in.close();

            } else if (httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_NOT_MODIFIED) {
                return "";
            }
        } catch (Exception e) {
            e.printStackTrace();
            return "";
        } finally {
            httpclient.getConnectionManager().shutdown();
        }

        return sb.toString();

    }