OKHttp3 서버에 사진 업로드

OKHttp3 서버에 사진 업로드

이 글은 okhttp3에 대한 사용자 프로필 사진을 서버에 업로드하는 것을 소개합니다

코드 블록

    public class ImgagePhoneoActivity extends AppCompatActivity {
    private static final int REQUEST_CHOOSE_IMAGE = 0x01;
    private static final int REQUEST_WRITE_EXTERNAL_PERMISSION_GRANT = 0xff;
    private TextView photoPath;
    private ImageView photo;
    String image_path;
    private File file;
    Uri uri;
    private final MediaType MEDIA_TYPE_PNG = MediaType.parse("image/png");
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.iiiiii);
        findViewById(R.id.choose_image_btn).setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                prepareToOpenAlbum();// 
            }
        });
        // 
        photo = (ImageView) findViewById(R.id.photo);
    }

    private void prepareToOpenAlbum() {
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_WRITE_EXTERNAL_PERMISSION_GRANT);
        } else {
            openAlbum();
        }
    }
    // 
    private void openAlbum() {
        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
        intent.setType("image/*");
        startActivityForResult(intent, REQUEST_CHOOSE_IMAGE);
    }
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (requestCode == REQUEST_CHOOSE_IMAGE && resultCode == RESULT_OK) {
            // uri
            uri= data.getData();
            // 
            image_path = ImageUtils.getRealPathFromUri(this, uri);
            Bitmap bitmap = BitmapFactory.decodeFile(image_path);
            photo.setImageBitmap(bitmap);
            file = new File(image_path);
            // ， 
            sendStudentInfoToServer(file);
        }
        super.onActivityResult(requestCode, resultCode, data);
    }


    private void sendStudentInfoToServer( File file) {
        // 
        String urlAddress = "http://116.62.130.5:80/sjb/portal/login/img";
        if (file != null && file.exists()) {
            MultipartBody.Builder builder = new MultipartBody.Builder()
                    .setType(MultipartBody.FORM)
                    .addFormDataPart("files", "img" + "_" + System.currentTimeMillis() + ".jpg",
                            RequestBody.create(MEDIA_TYPE_PNG, file));
            HttpUtil.sendMultipart(urlAddress, builder.build(), new Callback() {
                @Override
                public void onFailure(Call call, IOException e) {
                }

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

HttpUtil 코드:

public class HttpUtil {
    private static OkHttpClient okHttpClient = new OkHttpClient();
    private static Request.Builder builder = new Request.Builder();

    /**
     *  OkHttp GET  
     *
     * @param url      url 
     * @param callback  
     */
    public static void sendOkHttpGetRequest(String url, Callback callback) {
        Request request = builder.url(url).build();
        okHttpClient.newCall(request).enqueue(callback);
    }


    /**
     *  OkHttp POST  
     *
     * @param urlAddress  url 
     * @param requestBody  
     * @param callback     
     */
    public static void sendOkHttpPostRequest(String urlAddress, RequestBody requestBody, Callback callback) {
        OkHttpClient okHttpClient = new OkHttpClient();
        Request request = new Request.Builder().url(urlAddress).post(requestBody).build();
        okHttpClient.newCall(request).enqueue(callback);
    }

    public static void sendMultipart(String urlAddress, RequestBody requestBody, Callback callback) {
    // ， 
//        RequestBody requestBody = new MultipartBody.Builder()
//                .setType(MultipartBody.FORM)
//                .addFormDataPart("title", "wangshu")
//                .addFormDataPart("image", "wangshu.jpg",
//                        RequestBody.create(MEDIA_TYPE_PNG, new File("/sdcard/wangshu.jpg")))
//                .build();
//        private static final MediaType MEDIA_TYPE_PNG = MediaType.parse("image/png");
        Request request = new Request.Builder().header("Authorization", "Client-ID " + "...").url(urlAddress).post(requestBody).build();
        okHttpClient.newCall(request).enqueue(callback);
    }