package xxx.xxx.xxx;
import org.apache.http.HttpEntity;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import java.io.IOException;
public class HttpConfigTest {
public static void main(String[] args) {
//1. 打开浏览器,创建HTTPClient对象
CloseableHttpClient httpClient = HttpClients.createDefault();
//2.输入网址,发起get请求创建HttpGet对象
HttpGet httpGet = new HttpGet("http://www.itcast.cn");
//配置请求信息
RequestConfig config = RequestConfig.custom().setConnectTimeout(1000) //创建连接的最长时间,单位是毫秒
.setConnectionRequestTimeout(500) //设置获取连接的最长时间,单位是毫秒
.setSocketTimeout(10*1000) //设置数据传输的最长时间,单位是毫秒
.build();
// 给请求设置请求信息
httpGet.setConfig(config);
CloseableHttpResponse response = null;
try{
response = httpClient.execute(httpGet);
//4.解析响应,获取数据
if( response.getStatusLine().getStatusCode() == 200){
HttpEntity httpEntity = response.getEntity();
String content = EntityUtils.toString(httpEntity, "utf8");
System.out.println(content);
}
}catch(IOException e){
e.printStackTrace();
}finally {
//关闭response
try{
response.close();
}catch(IOException e){
e.printStackTrace();
}
try{
httpClient.close();
}catch(IOException e){
e.printStackTrace();
}
}
}
}
Java爬虫HttpClient -- 配置请求参数
猜你喜欢
转载自blog.csdn.net/qq_43542074/article/details/103108052
今日推荐
周排行