Okhttp基本操作

public class MainActivity extends AppCompatActivity implements View.OnClickListener {
    private Button get;
    private Button register;
    private Button login;
    private ProgressBar bar;
    private Button upload;
    private Button download;
    private Handler handler = new Handler(){
        @Override
        public void handleMessage(@NonNull Message msg) {
            super.handleMessage(msg);
            if(msg.what == 101){
                int progress = (int) msg.obj;
                bar.setProgress(progress);
            }
        }
    };


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            requestPermissions(new String[]{
                    Manifest.permission.READ_EXTERNAL_STORAGE,
                    Manifest.permission.WRITE_EXTERNAL_STORAGE
            }, 101);
        }
        setContentView(R.layout.activity_main);
        initView();
    }

    private void initView() {
        bar = (ProgressBar) findViewById(R.id.bar);
        get = (Button) findViewById(R.id.get);
        upload = (Button) findViewById(R.id.upload);
        download = (Button) findViewById(R.id.download);
        register = (Button) findViewById(R.id.register);
        login = (Button) findViewById(R.id.login);

        get.setOnClickListener(this);
        register.setOnClickListener(this);
        login.setOnClickListener(this);
        upload.setOnClickListener(this);
        download.setOnClickListener(this);


    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.get:
                get();
                break;
            case R.id.register:
                register();
                break;

            case R.id.login:
                login();
                break;
            case R.id.upload:
                upload();
                break;
            case R.id.download:
                download();
                break;

        }
    }



    private void download() {
        OkHttpClient client = new OkHttpClient.Builder()
                .readTimeout(60 * 1000, TimeUnit.MILLISECONDS)
                .writeTimeout(60 * 1000, TimeUnit.MILLISECONDS)
                .connectTimeout(60 * 1000, TimeUnit.MILLISECONDS)
                .build();

        Request request = new Request.Builder()
                .url("http://uvideo.spriteapp.cn/video/2019/0512/56488d0a-7465-11e9-b91b-1866daeb0df1_wpd.mp4")//視頻url
                .get()
                .build();

        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                String message = e.getMessage();
                Toast.makeText(MainActivity.this, ""+message, Toast.LENGTH_SHORT).show();
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                ResponseBody body = response.body();
                long max = body.contentLength();//總大小
                InputStream inputStream = body.byteStream();//字節流
                FileOutputStream fileOutputStream = new FileOutputStream("/sdcard/Download/xingxing.mp4");
                byte[] bytes = new byte[1024];
                int len = 0;
                int count = 0;//下載大小
                while ((len = inputStream.read(bytes)) != -1) {
                    fileOutputStream.write(bytes, 0, len);
                    count+=len;
                    int progress = (int) (count*100/max);//進度0-100
                    Message obtain = Message.obtain();
                    obtain.what = 101;
                    obtain.obj = progress;
                    handler.sendMessage(obtain);
                }
            }
        });
    }

    private void upload() {
        OkHttpClient client = new OkHttpClient.Builder()
                .readTimeout(60 * 1000, TimeUnit.MILLISECONDS)
                .writeTimeout(60 * 1000, TimeUnit.MILLISECONDS)
                .connectTimeout(60 * 1000, TimeUnit.MILLISECONDS)
                .build();
        // MultipartBody請求體
        RequestBody requestBody = RequestBody.create(MediaType.parse("video/mp4"),new File("/sdcard/Movies/houzi.mp4"));
//        RequestBody requestBody2 = RequestBody.create(MediaType.parse("image/jpg"),new File("/sdcard/DCIM/Camera/55.jpg"));
//
//        RequestBody requestBody3 = RequestBody.create(MediaType.parse("image/jpg"),new File("/sdcard/DCIM/Camera/haha.jpg"));
//
//        RequestBody requestBody4 = RequestBody.create(MediaType.parse("video/mp4"),new File("/sdcard/Download/xingxing.mp4"));



        MultipartBody multipartBody = new MultipartBody.Builder()
                .setType(MultipartBody.FORM)//設置方式
                //參數一："file"   參數二 ：上傳到服務器的名字 參數三：數據
                .addFormDataPart("file","1.mp4",requestBody)//添加提交的文件數據
                //多文件上傳
//                .addFormDataPart("file","1.jpg",requestBody2)
//                .addFormDataPart("file","2.jpg",requestBody3)
//                .addFormDataPart("file","2.mp4",requestBody4)
                .build();
        Request request = new Request.Builder()
                .url("http://192.168.1.5:8080/Upload/UpServlet")
                .post(multipartBody)//請求體 MultipartBody
                .build();

        client.newCall(request).enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                String message = e.getMessage();
                Log.d("---", "onFailure: "+message);
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                String json = response.body().string();
                Log.d("---", "onResponse: "+json);
            }
        });

    }

    //post請求登錄 通過form表單提交
    private void login() {
        //TODO 1：client客戶端
        OkHttpClient client = new OkHttpClient.Builder()
                .connectTimeout(60 * 1000, TimeUnit.MILLISECONDS)//60秒
                .readTimeout(60 * 1000, TimeUnit.MILLISECONDS)//60秒
                .writeTimeout(60 * 1000, TimeUnit.MILLISECONDS)//60秒
                // .callTimeout() 千萬不要寫
                .build();
        //TODO 請求體 form表單提交 username,password,repassword
        FormBody formBody = new FormBody.Builder()
                .add("username","zhaoxuhui111111")
                .add("password","123456")
                .build();


        //TODO 2:request請求
        Request request = new Request.Builder()
                .url("https://www.wanandroid.com/user/login")
                .post(formBody)//post請求需要設置請求體
                .build();

        //TODO 3：client發起request---》call連接
        Call call = client.newCall(request);
        //TODO 4：加入隊列中(線程池)---》response
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {//失敗
                final String message = e.getMessage();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(MainActivity.this, "失敗：" + message, Toast.LENGTH_SHORT).show();
                    }
                });
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {//成功
                //ResponseBody 響應體
                ResponseBody body = response.body();
                final String string = body.string();//千萬不要tostring
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(MainActivity.this, "" + string, Toast.LENGTH_SHORT).show();
                    }
                });
            }
        });
    }


    //post請求註冊
    private void register() {
        //TODO 1：client客戶端
        OkHttpClient client = new OkHttpClient.Builder()
                .connectTimeout(60 * 1000, TimeUnit.MILLISECONDS)//60秒
                .readTimeout(60 * 1000, TimeUnit.MILLISECONDS)//60秒
                .writeTimeout(60 * 1000, TimeUnit.MILLISECONDS)//60秒
                // .callTimeout() 千萬不要寫
                .build();
        //TODO 請求體 form表單提交 username,password,repassword
        FormBody formBody = new FormBody.Builder()
                .add("username","zhaoxuhui111111")
                .add("password","123456")
                .add("repassword","123456")
                .build();


        //TODO 2:request請求
        Request request = new Request.Builder()
                .url("https://www.wanandroid.com/user/register")
                .post(formBody)//post請求需要設置請求體
                .build();

        //TODO 3：client發起request---》call連接
        Call call = client.newCall(request);
        //TODO 4：加入隊列中(線程池)---》response
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {//失敗
                final String message = e.getMessage();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(MainActivity.this, "失敗：" + message, Toast.LENGTH_SHORT).show();
                    }
                });
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {//成功
                //ResponseBody 響應體
                ResponseBody body = response.body();
                final String string = body.string();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(MainActivity.this, "" + string, Toast.LENGTH_SHORT).show();
                    }
                });
            }
        });
    }

    //請求數據
    private void get() {
        //TODO 1：client客戶端
        OkHttpClient client = new OkHttpClient.Builder()
                .connectTimeout(60 * 1000, TimeUnit.MILLISECONDS)//60秒
                .readTimeout(60 * 1000, TimeUnit.MILLISECONDS)//60秒
                .writeTimeout(60 * 1000, TimeUnit.MILLISECONDS)//60秒
                // .callTimeout() 千萬不要寫
                .build();
        //TODO 2：request請求
        Request request = new Request.Builder()
                .url("http://www.qubaobei.com/ios/cf/dish_list.php?stage_id=1&limit=20&page=1")
                .get()//請求方式
                .build();
        //TODO 3：client發起request---》call連接
        Call call = client.newCall(request);
        //TODO 4：加入隊列中(線程池)---》response
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {//失敗
                final String message = e.getMessage();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(MainActivity.this, "失敗：" + message, Toast.LENGTH_SHORT).show();
                    }
                });
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {//成功
                //ResponseBody 響應體
                ResponseBody body = response.body();
                final String string = body.string();
                handler.post(new Runnable() {
                    @Override
                    public void run() {
                        Toast.makeText(MainActivity.this, "" + string, Toast.LENGTH_SHORT).show();
                    }
                });
            }
        });
    }
}