拦截器+okf封装

public class OkHttp3Utils {

    private static OkHttpClient okHttpClient = null;

    public OkHttp3Utils() {
    }

    private static OkHttpClient getOkHttpClient() {
        synchronized (OkHttp3Utils.class) {
            if (okHttpClient == null) {
                okHttpClient = new OkHttpClient();
            }
        }
        return okHttpClient;
    }

    //上传文件
    public static void loadFile(String url, File file, String fileName){
        OkHttpClient okHttpClient = getOkHttpClient();
        //设置文件类型
        RequestBody requestBody = RequestBody.create(MediaType.parse("application/octet-stream"),file);
        //设置请求体
        RequestBody body = new MultipartBody.Builder()
                .setType(MultipartBody.FORM)
                .addFormDataPart("image",fileName,requestBody)
                .build();


        //请求方式
        Request request = new Request.Builder().url(url).post(body).build();

        okHttpClient.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {

            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                Log.i("成功","成功");
            }
        });
    }

    /**
     * 1.接口地址
     * 2.接口回调
     */
    public static void doGet(String url,Callback callback){
        OkHttpClient okHttpClient = getOkHttpClient();
        Request request = new Request.Builder().url(url).addHeader("User-Agent","").build();
        okHttpClient.newCall(request).enqueue(callback);
    }

    /**
     * 1.地址
     * 2.接口回调
     * 3.请求体
     */

    public static void doPost(String url, Map<String,String> map, Callback callback){
        OkHttpClient okHttpClient = getOkHttpClient();
        FormBody.Builder builder = new FormBody.Builder();
        //遍历map集合   设置请求体
        for (String mapKey : map.keySet()){
            builder.add(mapKey,map.get(mapKey));
        }
        //设置请求方式
        Request request = new Request.Builder().url(url).post(builder.build()).build();
        //执行请求方式    接口回调
        okHttpClient.newCall(request).enqueue(callback);
    }

    /**
     *1.下载地址
     */
    public static void doDown(String url,Callback callback){
        OkHttpClient okHttpClient = getOkHttpClient();
        Request build = new Request.Builder().url(url).build();

        okHttpClient.newCall(build).enqueue(callback);
    }

}