如何在Java中将http响应正文作为字符串获取？

Question

我知道以前有一种通过apache commons获取它的方法，如此处记录的：http : //hc.apache.org/httpclient-legacy/apidocs/org/apache/commons/httpclient/HttpMethod.html 和此处的示例：http://www.kodejava.org/examples/416.html但我认为这已被弃用。还有其他方法可以在Java中发出http get请求，并以字符串而不是流的形式获取响应正文吗？

Answer 1

这是我的工作项目中的两个示例。

使用EntityUtils和HttpEntity

HttpResponse response = httpClient.execute(new HttpGet(URL));

HttpEntity entity = response.getEntity();

String responseString = EntityUtils.toString(entity, "UTF-8");

System.out.println(responseString);

运用 BasicResponseHandler

HttpResponse response = httpClient.execute(new HttpGet(URL));

String responseString = new BasicResponseHandler().handleResponse(response);

System.out.println(responseString);

Answer 2

这是我正在使用来自Apache的httpclient库的另一个简单项目的示例：

String response = new String();

List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1);

nameValuePairs.add(new BasicNameValuePair("j", request));

HttpEntity requestEntity = new UrlEncodedFormEntity(nameValuePairs);

HttpPost httpPost = new HttpPost(mURI);

httpPost.setEntity(requestEntity);

HttpResponse httpResponse = mHttpClient.execute(httpPost);

HttpEntity responseEntity = httpResponse.getEntity();

if(responseEntity!=null) {

    response = EntityUtils.toString(responseEntity);

}

只需使用EntityUtils即可将响应主体作为字符串获取。很简单。