OkHttp–OkGo

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//OkHttp 异步

 //创建OKHttp
        OkHttpClient client = new OkHttpClient.Builder().build();
        //获取表单请求题
        FormBody formBody = new FormBody.Builder().build();

        //获取Request对象
        final Request request = new Request.Builder()
                .method("POST",formBody)
                .url(Constant.LOGIN_URL+"?phone=" + userName + "&pwd=" + password)
                .build();

        //请求
        Call call = client.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                //回调错误数据
                String responseData = e.getMessage();
                callBack.responseData(responseData);

                Log.d("www01", responseData);
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                //回调成功的数据
                String responseData = request.body().toString();
                callBack.responseData(responseData);

                Log.d("www02", responseData);
            }
        });

//异步在V层接收

  runOnUiThread(new Runnable() {
            @Override
            public void run() {
                //子线程切换到UI线程中
                Toast.makeText(LoginActivity.this, responseData, Toast.LENGTH_SHORT).show();
            }
        });

OkHttp 同步

try {
            //携带用户名、密码的参数的URL
            String request_url = Constant.LOGIN_URL + "?phone=" + userName + "&pwd=" + password;
            //String request_url = Constant.BEAUTY_URL;
            //OKHttp做登录处理
            //创建OKHttpClient对象
            OkHttpClient client = new OkHttpClient.Builder().build();
            //表单请求体
            FormBody formBody = new FormBody.Builder().build();
            //创建Requst请求对象
            Request request = new Request.Builder().method("POST", formBody).url(request_url).build();
            //Request request = new Request.Builder().url(request_url).build();
            //通过OKHttpClient对象调用newCall方法
            Response response = client.newCall(request).execute();
            //获取到Response，进行处理
            String responseData = response.body().string();
            //回显到P层
            callback.responseData(responseData);
        } catch (IOException e) {
            e.printStackTrace();
        }

//同步 M回传

//OKHttp的同步请求
       Runnable runnable = new Runnable() {
            @Override
            public void run() {
                requestLoginData(userName, password,callback);
            }
        };

//封装okhttp

public class OkUtil {


    public static OkUtil okUtil;
    private final OkHttpClient okHttpClient;

    //私有构造函数
    private OkUtil(){
        okHttpClient = new OkHttpClient.Builder().build();
    }

    //DCL模式
    public static OkUtil getInstance(){

        if(null == okUtil){
            synchronized (OkUtil.class){
                if(null == okUtil){
                    return new OkUtil();
                }
            }
        }

        return okUtil;
    }

    //
    public void get(String s, Callback callback){
        Request request = new Request.Builder().url(s).build();
       okHttpClient.newCall(request).enqueue(callback);

    }

}

//封装的实现

  OKHTTPUtil.getIns().get(UrlData.FL_URL, new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                Log.d("ShopModel", "失败");
                callBack.responseData(e.getMessage());
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                Log.d("ShopModel", "成功");
                callBack.responseData(response.body().toString());
            }
        });

//OkGo

  OkGo.<String>get(UrlBean.BEAUTY_URL).execute(new StringCallback() {
            @Override
            public void onSuccess(Response<String> response) {
                String s = response.body().toString();
                //解析
                Gson gson = new Gson();
                JsonBean jsonBean = gson.fromJson(s, JsonBean.class);
                //回传值
                callBack.requestData(jsonBean);
            }
        });