Java - Apache Post请求不返回完整页面

CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);

// 设置请求头
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded");

// 设置请求体
List<NameValuePair> params = new ArrayList<>();
params.add(new BasicNameValuePair("param1", "value1"));
params.add(new BasicNameValuePair("param2", "value2"));
httpPost.setEntity(new UrlEncodedFormEntity(params));

// 发送请求并获取响应
CloseableHttpResponse response = httpClient.execute(httpPost);
HttpEntity entity = response.getEntity();
String responseBody = EntityUtils.toString(entity);

// 处理响应内容
System.out.println(responseBody);

// 关闭资源
response.close();
httpClient.close();