Model

package com.bwei.j.myapplication.cart.model;

/**
 * author:Created by WangZhiQiang on 17.12.19.
 */

    public interface Model_Cart {
        void getFinsh();
    }
-------------------------------------------------

package com.bwei.j.myapplication.cart.model;

import com.bwei.j.myapplication.cart.bean.MyCartBean;
import com.bwei.j.myapplication.tools.MyApi;
import com.bwei.j.myapplication.utils.GsonObjectCallback;
import com.bwei.j.myapplication.utils.OkHttp3Utils;

import java.io.IOException;

import okhttp3.Call;

/**
 * author:Created by WangZhiQiang on 17.12.19.
 */

public class MyMolde_Cart implements Model_Cart {

    OnFinsh onFinsh;

    public interface OnFinsh{
        void Finsh1(MyCartBean bean);
    }

    public void setOnFinsh( OnFinsh onFinsh){
        this.onFinsh = onFinsh;
    }

    @Override
    public void getFinsh() {
        OkHttp3Utils.doGet(MyApi.SELECT_CAR, new GsonObjectCallback<MyCartBean>() {

            @Override
            public void onUi(MyCartBean myCartBean) {
                onFinsh.Finsh1(myCartBean);
            }

            @Override
            public void onFailed(Call call, IOException e) {

            }
        });

    }
}