String downloadFileDir = Environment.getExternalStorageDirectory().getPath()+"/okHttp_download/";
        String cacheDir = Environment.getExternalStorageDirectory().getPath()+"/okHttp_cache";
        OkHttpUtil.init(context)
                .setConnectTimeout(15)//连接超时时间
                .setWriteTimeout(15)//写超时时间
                .setReadTimeout(15)//读超时时间
                .setMaxCacheSize(10 * 1024 * 1024)//缓存空间大小
                .setCacheType(CacheType.FORCE_NETWORK)//缓存类型
                .setHttpLogTAG("HttpLog")//设置请求日志标识
                .setIsGzip(false)//Gzip压缩，需要服务端支持
                .setShowHttpLog(true)//显示请求日志
                .setShowLifecycleLog(false)//显示Activity销毁日志
                .setRetryOnConnectionFailure(false)//失败后不自动重连
                .setCachedDir(new File(cacheDir))//设置缓存目录
                .setDownloadFileDir(downloadFileDir)//文件下载保存目录
                .setResponseEncoding(Encoding.UTF_8)//设置全局的服务器响应编码
                .setRequestEncoding(Encoding.UTF_8)//设置全局的请求参数编码
                .setHttpsCertificate("12306.cer")//设置全局Https证书
                .addResultInterceptor(HttpInterceptor.ResultInterceptor)//请求结果拦截器
                .addExceptionInterceptor(HttpInterceptor.ExceptionInterceptor)//请求链路异常拦截器
                .setCookieJar(new PersistentCookieJar(new SetCookieCache(), new SharedPrefsCookiePersistor(context)))//持久化cookie
                .build();
            

//获取单例客户端（默认）
 方法一、OkHttpUtil.getDefault(this)//绑定生命周期
            .doGetSync(HttpInfo.Builder().setUrl(url).build());
 方法二、OkHttpUtil.getDefault()//不绑定生命周期
            .doGetSync(HttpInfo.Builder().setUrl(url).build());
            

//*******请求时先绑定请求标识，根据该标识进行取消*******/
//方法一：
OkHttpUtil.Builder()
                .setReadTimeout(120)
                .build("请求标识")//绑定请求标识
                .doDownloadFileAsync(info);
//方法二：
OkHttpUtil.getDefault("请求标识")//绑定请求标识
            .doGetSync(info);
            
//*******取消指定请求*******/ 
OkHttpUtil.getDefault().cancelRequest("请求标识");
 

HttpInfo.Builder()
        .setUrl(url)
        .setRequestType(RequestType.GET)//请求方式
        .addHead("head","test")//添加头参数
        .setContentType(ContentType.SOAP)//设置媒体类型
        .addParam("param","test")//添加接口键值对参数
        .addParams(new HashMap<String, String>())//添加接口键值对参数集合
        .addParamBytes("byte")//添加二进制流
        .addParamJson("json")//添加Json参数
        .addParamFile(new File(""))//添加文档参数
        .addParamForm("form")//添加表单参数
        .addDownloadFile(new DownloadFileInfo("fileURL", "myMP4",null))//添加下载文件
        .addUploadFile("interfaceParamName","filePathWithName",null)//添加上传文件
        .setResponseEncoding(Encoding.UTF_8)//设置服务器响应编码
        .setRequestEncoding(Encoding.UTF_8)//设置全局的请求参数编码
        .setDelayExec(2, TimeUnit.SECONDS)//延迟2秒执行
        .setHttpsCertificate("12306.cer")//设置Https证书
        .setNeedResponse(true)//设置返回结果为Response
        .build()

    /**
     * 同步请求：由于不能在UI线程中进行网络请求操作，所以采用子线程方式
     */
    private void sync() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                final HttpInfo info = HttpInfo.Builder()
                        .setUrl(url)
                        .setResponseEncoding(Encoding.UTF_8)//设置该接口的服务器响应编码
                        .setRequestEncoding(Encoding.UTF_8)//设置该接口的请求参数编码
                        .build();
                OkHttpUtil.getDefault(this)
                        .doGetSync(info);
                final String result = info.getRetDetail();
                runOnUiThread(new Runnable() {
                    @Override
                    public void run() {
                        resultTV.setText("同步请求：" + result);
                        setFromCacheTV(info);

                    }
                });
            }
        }).start();
    }

    /**
     * 异步请求：回调方法可以直接操作UI
     */
    private void async() {
        OkHttpUtil.getDefault(this).doGetAsync(
                HttpInfo.Builder().setUrl(url).build(),
                new Callback() {
                    @Override
                    public void onFailure(HttpInfo info) throws IOException {
                        String result = info.getRetDetail();
                        resultTV.setText("异步请求失败：" + result);
                    }

                    @Override
                    public void onSuccess(HttpInfo info) throws IOException {
                        String result = info.getRetDetail();
                        resultTV.setText("异步请求成功：" + result);
                        //GSon解析
                        TimeAndDate time = info.getRetDetail(TimeAndDate.class);
                        LogUtil.d("MainActivity", time.getResult().toString());
                        setFromCacheTV(info);
                    }
                });
    }

    /**
     * 仅网络请求
     */
    private void forceNetwork(){
        OkHttpUtil.Builder().setCacheType(CacheType.FORCE_NETWORK).build(this)
                .doGetAsync(
                        HttpInfo.Builder().setUrl(url).build(),
                        new Callback() {
                            @Override
                            public void onSuccess(HttpInfo info) throws IOException {
                                String result = info.getRetDetail();
                                resultTV.setText("FORCE_NETWORK：" + result);
                                setFromCacheTV(info);
                            }

                            @Override
                            public void onFailure(HttpInfo info) throws IOException {
                                resultTV.setText("FORCE_NETWORK：" + info.getRetDetail());
                            }
                        }
                );
    }

    /**
     * 仅缓存请求
     */
    private void forceCache(){
        OkHttpUtil.Builder().setCacheType(CacheType.FORCE_CACHE).build(this)
                .doGetAsync(
                        HttpInfo.Builder().setUrl(url).build(),
                        new Callback() {
                            @Override
                            public void onSuccess(HttpInfo info) throws IOException {
                                String result = info.getRetDetail();
                                resultTV.setText("FORCE_CACHE：" + result);
                                setFromCacheTV(info);
                            }

                            @Override
                            public void onFailure(HttpInfo info) throws IOException {
                                resultTV.setText("FORCE_CACHE：" + info.getRetDetail());
                            }
                        }
                );
    }

    /**
     * 先网络再缓存：先请求网络，失败则请求缓存
     */
    private void networkThenCache() {
        OkHttpUtil.Builder().setCacheType(CacheType.NETWORK_THEN_CACHE).build(this)
                .doGetAsync(
                        HttpInfo.Builder().setUrl(url).build(),
                        new Callback() {
                            @Override
                            public void onSuccess(HttpInfo info) throws IOException {
                                String result = info.getRetDetail();
                                resultTV.setText("NETWORK_THEN_CACHE：" + result);
                                setFromCacheTV(info);
                            }

                            @Override
                            public void onFailure(HttpInfo info) throws IOException {
                                resultTV.setText("NETWORK_THEN_CACHE：" + info.getRetDetail());
                            }
                        }
                );
    }

    /**
     * 先缓存再网络：先请求缓存，失败则请求网络
     */
    private void cacheThenNetwork() {
        OkHttpUtil.Builder().setCacheType(CacheType.CACHE_THEN_NETWORK).build(this)
                .doGetAsync(
                        HttpInfo.Builder().setUrl(url).build(),
                        new Callback() {
                            @Override
                            public void onSuccess(HttpInfo info) throws IOException {
                                String result = info.getRetDetail();
                                resultTV.setText("CACHE_THEN_NETWORK：" + result);
                                setFromCacheTV(info);
                            }

                            @Override
                            public void onFailure(HttpInfo info) throws IOException {
                                resultTV.setText("CACHE_THEN_NETWORK：" + info.getRetDetail());
                            }
                        }
                );
    }