使用HttpUrlConnection进行封装的请求，支持多文件上传，图片下载 使用demo final TextView textView=(TextView)this.findViewById(R.id.text); firstRequest arequest=new firstRequest(); BaseNetTopBusiness baseNetTopBusiness=new BaseNetTopBusiness(new NetTopListener() { @Override public void onSuccess(HttpResponse response) { System.out.println("成功"); byte[] bytes=response.bytes; System.out.println(new String(bytes)); textView.setText(new String(bytes)); }

        @Override
        public void onFail() {
            System.out.println("on fail");
            textView.setText("fail");
        }

        @Override
        public void onError() {
            System.out.println("on error");
            textView.setText("error");
        }
    });
    baseNetTopBusiness.startRequest(arequest);
    
    首先新建请求对象类
    public class firstRequest implements Request

{ public String requestUrl="http://192.168.56.1:18080/login-mobile"; public String user="novsssse3333as"; public String password="mengfanshan"; } 必须实现Request接口，其中user，password为上传参数key，requestUrl变量名不可以改变，表示请求网址,修饰符类型可以为public，private均可