最简便、最直接、最安全的java Httpclient请求

import java.io.IOException;
import java.net.URI;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
public class InterfaceRequest {
static String url = "https://auto.16888.com/country.html";
public static void main(String[] args) {
System.out.println(findPinPais(url));
}
public static String findPinPais(String url) {
String content = "";
HttpGet httpGet = null; // 创建http GET请求
CloseableHttpResponse response = null; // response 对象
CloseableHttpClient httpclient = HttpClients.createDefault(); // 创建Httpclient对象
try {
URI uri = new URIBuilder(url).build();// 定义请求的参数
httpGet = new HttpGet(uri);
response = httpclient.execute(httpGet); // 执行http get请求
if (response.getStatusLine().getStatusCode() == 200) { // 判断返回状态是否为200
content = EntityUtils.toString(response.getEntity(), "UTF-8");
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (response != null) {
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (httpclient != null) {
try {
httpclient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
return content;
}
}

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