/**
* 发送POST请求
*
* @param url 网络请求地址
* @param nvps 请求参数列表
* @return
*/
public String post(String url, List<NameValuePair> nvps) {
HttpPost request = new HttpPost(url);
CloseableHttpResponse response = null;
try {
request.setEntity(new UrlEncodedFormEntity(nvps)); // 封装post请求参数
response = client.execute(request); // 发送请求
int resultCode = response.getStatusLine().getStatusCode(); // 返回响应状态
/** ************** 网络异常, 退出程序 ************* */
if (HttpStatus.SC_OK != resultCode) return EMPTY;
/** ************** 将响应转换为字符串 ************* */
HttpEntity entity = response.getEntity();
return EntityUtils.toString(entity, UTF_8);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (ClientProtocolException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (null != request && !request.isAborted()) {
request.abort();
}
HttpClientUtils.closeQuietly(client);
HttpClientUtils.closeQuietly(response);
}
return EMPTY;
}
protected String executePostRequest(String url, String request) {
HttpPost httpPost = null;
try {
prepareRequest();
httpPost = new HttpPost(url);
if (DEBUG) Log.d(getName(), "Http request : " + request);
httpPost.setEntity(new StringEntity(request));
return executeRequest(httpPost);
} catch (UnsupportedEncodingException e) {
Log.e(getName(), "Cannot build the HTTP POST : " + e);
return "";
} finally {
if (request != null && !httpPost.isAborted()) {
httpPost.abort();
}
}
}