本地测试的httpclient
package ****.httpclient; import java.io.IOException; import java.security.NoSuchAlgorithmException; import javax.net.ssl.SSLContext; import org.apache.http.HttpEntity; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.config.Registry; import org.apache.http.config.RegistryBuilder; import org.apache.http.conn.socket.ConnectionSocketFactory; import org.apache.http.conn.socket.LayeredConnectionSocketFactory; import org.apache.http.conn.socket.PlainConnectionSocketFactory; import org.apache.http.conn.ssl.SSLConnectionSocketFactory; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.impl.conn.PoolingHttpClientConnectionManager; import org.apache.http.util.EntityUtils; public class HttpConnectionManager { private static PoolingHttpClientConnectionManager cm; static { LayeredConnectionSocketFactory sslsf = null; try { sslsf = new SSLConnectionSocketFactory(SSLContext.getDefault()); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } Registry<ConnectionSocketFactory> socketFactoryRegistry = RegistryBuilder.<ConnectionSocketFactory> create() .register("https", sslsf) .register("http", new PlainConnectionSocketFactory()) .build(); cm =new PoolingHttpClientConnectionManager(socketFactoryRegistry); cm.setMaxTotal(200); cm.setDefaultMaxPerRoute(20); } public static CloseableHttpClient getHttpClient() { CloseableHttpClient httpClient = HttpClients.custom() .setConnectionManager(cm) .build(); /*CloseableHttpClient httpClient = HttpClients.createDefault();//如果不采用连接池就是这种方式获取连接*/ return httpClient; } /** * 发送 get请求 * @param httpUrl * @throws IOException * @throws ClientProtocolException */ public static String sendHttpGet(String httpUrl) throws ClientProtocolException, IOException { HttpGet httpGet = new HttpGet(httpUrl);// 创建get请求 return sendHttpGet(httpGet); } /** * 发送Get请求 * @param httpPost * @return * @throws IOException * @throws ClientProtocolException */ private static String sendHttpGet(HttpGet httpGet) throws ClientProtocolException, IOException { CloseableHttpClient httpClient = getHttpClient(); CloseableHttpResponse response=null; HttpEntity entity = null; String responseContent = null; // 执行请求 response = httpClient.execute(httpGet); entity = response.getEntity(); responseContent = EntityUtils.toString(entity, "UTF-8"); return responseContent; } public static void main(String[] args) throws ClientProtocolException, IOException { System.out.println(sendHttpGet("http://192.168.*.*:8081/flights?airline=detla")); } }