OKhttp

public class OKHttp {

    private OkHttpClient client;
    private static volatile OKHttp instance;
    private Handler handler = new Handler();

    //创建拦截器
    private Interceptor getAppInterceptor(){
       Interceptor interceptor=new Interceptor() {
           @Override
           public Response intercept(Chain chain) throws IOException {
               Request request=chain.request();
               Log.e("+++++++","拦截前");
               Response response=chain.proceed(request);
               Log.e("+++++++","拦截后");
               return response;
           }
       };
        return interceptor;
    }
    //添加拦截器
    private OKHttp(){
        File file=new File(Environment.getExternalStorageDirectory(),"cach1");
        client = new OkHttpClient().newBuilder()
                .readTimeout(3000, TimeUnit.SECONDS)
                .connectTimeout(3000,TimeUnit.SECONDS)
                .addInterceptor(getAppInterceptor())
                .cache(new Cache(file,10*1024))
                .build();
    }
//创建单列
    public static OKHttp getInstance(){
        if (instance==null){
            synchronized (OKHttp.class){
                if (null==instance){
                    instance=new OKHttp();
                }
            }
}
        return instance;
    }
    //封装doget方法
    public void doGet(String url, final Class clazz, final NetCallBack netCallBack){
        //创建一个对象
        Request request=new Request.Builder()
                .get()
                .url(url)
                .build();
        //创建call对象
        Call call=client.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String string = response.body().string();
                Gson gson = new Gson();
                final Object o = gson.fromJson(string, clazz);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        netCallBack.LoadSuccess(o);
                    }
                });
            }
        });
    }
    //封装dopost请求
    public void doPost(String url, final Class clazz,String name,String pwd, final NetCallBack netCallBack)
    {
        //新建okhttp对象
        client = new OkHttpClient();
        /**
         * 通过体传值
         */
        FormBody build = new FormBody.Builder()
                .add("phone", name)
                .add("pwd", pwd)
                .build();
        Request request = new Request.Builder()
                .url(url)
                .post(build)
                .build();
        Call call = client.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String string = response.body().string();
                Gson gson = new Gson();
                final Object o = gson.fromJson(string, clazz);
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        netCallBack.LoadSuccess(o);
                    }
                });
            }
        });
    }



    public interface NetCallBack{
        void LoadSuccess(Object obj);
        void LoadFail();
    }
}