closeablehttpclient close

CloseableHttpClient httpClient = HttpClients.createDefault();
try {
    // 使用 httpClient 发送请求
} finally {
    try {
        httpClient.close(); // 确保在 finally 块中关闭客户端
    } catch (IOException e) {
        e.printStackTrace();
    }
}

CloseableHttpClient httpClient = HttpClients.createDefault();
CloseableHttpResponse response = null;
try {
    HttpGet request = new HttpGet("http://example.com/");
    response = httpClient.execute(request);
    // 处理响应
} catch (IOException e) {
    e.printStackTrace();
} finally {
    try {
        if (response != null) {
            response.close(); // 关闭响应
        }
        httpClient.close(); // 关闭客户端
    } catch (IOException e) {
        e.printStackTrace();
    }
}

import org.apache.http.HttpEntity;
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;

public class HttpClientExample {
    public static void main(String[] args) {
        CloseableHttpClient httpClient = HttpClients.createDefault();
        try {
            HttpGet request = new HttpGet("http://example.com/");
            CloseableHttpResponse response = httpClient.execute(request);
            try {
                HttpEntity entity = response.getEntity();
                if (entity != null) {
                    String result = EntityUtils.toString(entity);
                    System.out.println(result);
                }
            } finally {
                response.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                httpClient.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}