创建http请求的时候指定客户端IP

SpecifyHttpConnectionLocalAddress.java

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.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.testng.annotations.Test;

import java.net.*;

/**
 * create http Connection and specify local ip address
 * Use HttpClient 4.x
 * <p/>
 * Created by LambdaCat on 15/4/26.
 */
public class SpecifyHttpConnectionLocalAddress {
    @Test
    public void t2() {
        try {
            CloseableHttpClient httpClient = HttpClientBuilder
                    .create()
                    .setDefaultRequestConfig(RequestConfig.custom()
                                    .setLocalAddress(
                                            InetAddress.getByAddress(new byte[]{(byte) 192, (byte) 168, 10, (byte) 157})
                                    ).build()
                    ).build();
            CloseableHttpResponse response = httpClient.execute(new HttpGet("http://www.treebear.cn"));
            System.out.println(EntityUtils.toString(response.getEntity()));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}