Retrofit请求方式

//首先就是要导包

compile 'com.squareup.retrofit2:retrofit:2.3.0'

//RetrofitHelper

package com.example.xzhaogao01.netWork;import okhttp3.OkHttpClient;import retrofit2.Retrofit;import retrofit2.converter.gson.GsonConverterFactory;/** * Created by 绅丶士 on 2017/12/2. */public class RetrofitHelper {    private static OkHttpClient okHttpClient;    private static ServiceAPL serviceAPL;    static {        ininOkHttpClient();    }    private static void ininOkHttpClient(){        if(okHttpClient==null){            synchronized (RetrofitHelper.class){                if(okHttpClient==null){                    okHttpClient=new OkHttpClient.Builder().build();                }            }        }    }    public static ServiceAPL getAPI(){        if(serviceAPL==null){            synchronized (ServiceAPL.class){                if(serviceAPL==null){                    serviceAPL=RetrofitHelper.createAPI(ServiceAPL.class,UrlUtils.BASE_HOST_URL);                }            }        }        return  serviceAPL;    }    /**     *     * @param clazz     * @param url     * @param <T>     * @return     */    public static <T> T createAPI(Class<T> clazz,String url){        Retrofit retrofit=new Retrofit.Builder().baseUrl(UrlUtils.BASE_HOST_URL)                .addConverterFactory(GsonConverterFactory.create())                .build();        return retrofit.create(clazz);    }}
//ServiceAPL
public interface ServiceAPL {    @GET(UrlUtils.TAGS)    Call<UserBean> tabs();}

UrlUtils
public class UrlUtils {    public static final String BASE_HOST_URL = "http://gank.io/api/";    public static final String TAGS = "data/Android/10/1";}
//调用
public class ShowYeFr extends Fragment{    UserDao userDao;    private RecyclerView lv;    @Nullable    @Override    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {        View view=inflater.inflate(R.layout.fr_item01,container,false);        lv = view.findViewById(R.id.Rlv);        //设置布局管理器        lv.setLayoutManager(new LinearLayoutManager(getContext()));        //判断网络是否连接        IFWork ifWork = new IFWork();        //添加分割线        //lv.addItemDecoration(new RecycleViewDivider(getContext(), LinearLayoutManager.HORIZONTAL,5,getResources().getColor(R.color.colorPrimary)));        //判断网络        //动态代理        ServiceAPL api= RetrofitHelper.getAPI();        Call<UserBean> tags=api.tabs();        tags.enqueue(new Callback<UserBean>() {            @Override            public void onResponse(Call<UserBean> call, Response<UserBean> response) {                UserBean body = response.body();                List<UserBean.ResultsBean> results = body.getResults();                for (UserBean.ResultsBean r:                    results ) {                    userDao.insert(new User(System.currentTimeMillis(),r.getCreatedAt(),r.getDesc()));                }                //创建适配器                Myadap myadap = new Myadap(getActivity(), results);                lv.setAdapter(myadap);            }            @Override            public void onFailure(Call<UserBean> call, Throwable t) {            }        });        //初始化数据库        initDbHelp();        return view;    }    private void initDbHelp(){        DaoMaster.DevOpenHelper devOpenHelper = new DaoMaster.DevOpenHelper(getActivity(), "recluse-db", null);        SQLiteDatabase db = devOpenHelper.getWritableDatabase();        DaoMaster daoMaster = new DaoMaster(db);        DaoSession daoSession = daoMaster.newSession();        userDao=daoSession.getUserDao();    }}