public class HttpUtilsnew implements Interceptor {
        @Override
        public Response intercept(Chain chain) throws IOException {
            Request request = chain.request();
            HttpUrl beforeUrl = request.url();
            Response response = chain.proceed(request);
            HttpUrl afterUrl = response.request().url();
            //1.根据url判断是否是重定向
            if(!beforeUrl.equals(afterUrl)) {
                //处理两种情况 1、跨协议 2、原先不是GET请求。
                if (!beforeUrl.scheme().equals(afterUrl.scheme())||!request.method().equals("GET")) {
                    //重新请求
                    Request newRequest = request.newBuilder().url(response.request().url()).build();
                    response = chain.proceed(newRequest);
                }
            }
            return response;
        }

}