apache http调用设置超时时间

Posted 2021-02-21 yaoyu

 

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpRequestBase;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

        CloseableHttpClient client = null;
            HttpRequestBase signedRequest = Client.sign(request);
            client = HttpClients.custom().build();


            RequestConfig requestConfig = RequestConfig.custom().setConnectTimeout(5000)
                    .setConnectionRequestTimeout(1000).setSocketTimeout(5000).build();
            signedRequest.setConfig(requestConfig);


            HttpResponse response = client.execute(signedRequest);
            int statusCode = response.getStatusLine().getStatusCode();
            HttpEntity resEntity = response.getEntity();
            String result = EntityUtils.toString(resEntity, "UTF-8");

CloseableHttpClient httpclient = HttpClients.createDefault();
HttpGet httpGet = new HttpGet("http://www.baidu.com");
RequestConfig requestConfig = RequestConfig.custom()
        .setConnectTimeout(5000).setConnectionRequestTimeout(1000)
        .setSocketTimeout(5000).build();
httpGet.setConfig(requestConfig);
CloseableHttpResponse response = null;
try {
    response = httpclient.execute(httpGet);
} catch (IOException e) {
    e.printStackTrace();
}
System.out.println("得到的结果:" + response.getStatusLine());//得到请求结果
HttpEntity entity = response.getEntity();//得到请求回来的数据
String s = EntityUtils.toString(response.getEntity(), "UTF-8");
System.out.println(s);

　　

 

//设置请求超时时间
        RequestConfig requestConfig = RequestConfig.custom()
               .setConnectTimeout(2000)
               .setConnectionRequestTimeout(2000)
               .setSocketTimeout(2000)
               .build();

说明

ConnectionRequestTimeout

httpclient使用连接池来管理连接，这个时间就是从连接池获取连接的超时时间，可以想象下数据库连接池

ConnectTimeout

连接建立时间，三次握手完成时间

SocketTimeout

数据传输过程中数据包之间间隔的最大时间