Java retrofit2 请求设置代理

demo.java

import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.Proxy;

import lombok.Data;
import okhttp3.OkHttpClient;
import retrofit2.Call;
import retrofit2.Retrofit;
import retrofit2.converter.jackson.JacksonConverterFactory;
import retrofit2.http.GET;

public class Demo{
    @Data
    static class IPInfoJSONResponse {
        String ip;
        String hostname;
        String city;
        String region;
        String country;
        String loc;
        String org;
        String timezone;
        String readme;
        String postal;
    }
    
    public interface IPInfoService {
        @GET("json")
        Call<IPInfoJSONResponse> json();
    }
    
    public static void main(String[] args) throws IOException {
        var proxy = new Proxy(Proxy.Type.SOCKS, new InetSocketAddress("127.0.0.1", 1080));
        var client = new OkHttpClient.Builder().proxy(proxy).build();
        var retrofit = new Retrofit.Builder()
                .client(client)
                .baseUrl("https://ipinfo.io")
                .addConverterFactory(JacksonConverterFactory.create())
                .build();
        var service = retrofit.create(IPInfoService.class);
        var request = service.json();
        var result = request.execute().body();
        System.out.println(result);
    }
}