okhttp上传头像

      protected static final int CHOOSE_PICTURE = 0;
    protected static final int TAKE_PICTURE = 1;
    private static final int CROP_SMALL_PICTURE = 2;
    protected static Uri tempUri;

      private LoginModel loginModel;

//点击事件

public void onClick(View view) {
    switch (view.getId()){
        case R.id.iv_toug:
            showChoosePicDialog();
            break;

    }

 }

//跳转到相册，相机

protected void showChoosePicDialog() {
    AlertDialog.Builder builder = new AlertDialog.Builder(this);
    builder.setTitle("设置头像");
    String[] items = { "选择本地照片", "拍照" };
    builder.setNegativeButton("取消", null);
    builder.setItems(items, new DialogInterface.OnClickListener() {

        @Override
        public void onClick(DialogInterface dialog, int which) {
            switch (which) {
                case CHOOSE_PICTURE: // 选择本地照片
                    Intent intent=new Intent(Intent.ACTION_GET_CONTENT);
                    intent.setType("image/*");
                    startActivityForResult(intent,CHOOSE_PICTURE);
                    break;
                case TAKE_PICTURE: // 拍照
                    Intent openCameraIntent = new Intent(
                            MediaStore.ACTION_IMAGE_CAPTURE);
                    tempUri = Uri.fromFile(new File(Environment
                            .getExternalStorageDirectory(), "image.jpg"));
                    // 指定照片保存路径（SD卡），image.jpg为一个临时文件，每次拍照后这个图片都会被替换
                    openCameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, tempUri);
                    startActivityForResult(openCameraIntent, TAKE_PICTURE);
                    break;
            }
        }
    });
    builder.create().show();
}
//回调借口
    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (resultCode == RESULT_OK) { // 如果返回码是可以用的
            switch (requestCode) {
                case TAKE_PICTURE:
                    startPhotoZoom(tempUri); // 开始对图片进行裁剪处理
                    break;
                case CHOOSE_PICTURE:
                    startPhotoZoom(data.getData()); // 开始对图片进行裁剪处理
                    break;
                case CROP_SMALL_PICTURE:
                    if (data != null) {
                        setImageToView(data); // 让刚才选择裁剪得到的图片显示在界面上
                    }
                    break;
            }
        }
    }
/**
 * 保存裁剪之后的图片数据
 *
 * @param
 *
 */
protected void setImageToView(Intent data) {
    Bundle extras = data.getExtras();
    if (extras != null) {
        Bitmap photo = extras.getParcelable("data");
        // photo = Utils.toRoundBitmap(photo, tempUri); // 这个时候的图片已经被处理成圆形的了
        cvtou.setImageBitmap(photo);
        //保存操作
        saveBitmap(photo);
    }
}
//保存操作
private Uri saveBitmap(Bitmap bm){
    File tmDir=new File(Environment.getExternalStorageDirectory()+"/avaterr");
    if(tmDir.exists()){
        tmDir.mkdir();
    }
    File img=new File(tmDir.getAbsolutePath()+"avater.png");

    try {
        FileOutputStream fos = new FileOutputStream(img);
        bm.compress(Bitmap.CompressFormat.PNG,85,fos);
        loginModel=new LoginModel(XqActivity.this);
        loginModel.touimg("97",img);
        fos.flush();
        fos.close();
        return Uri.fromFile(img);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}
//剪切操作
protected void startPhotoZoom(Uri uri) {
    if (uri == null) {
        Log.i("tag", "The uri is not exist.");
    }
    tempUri = uri;
    Intent intent = new Intent("com.android.camera.action.CROP");
    intent.setDataAndType(uri, "image/*");
    // 设置裁剪
    intent.putExtra("crop", "true");
    // aspectX aspectY 是宽高的比例
    intent.putExtra("aspectX", 1);
    intent.putExtra("aspectY", 1);
    // outputX outputY 是裁剪图片宽高
    intent.putExtra("outputX", 150);
    intent.putExtra("outputY", 150);
    intent.putExtra("return-data", true);
    startActivityForResult(intent, CROP_SMALL_PICTURE);
}
//-----------------------------Moudle层中的头像上传请求----------------------------

public void touimg(String mobile, File file){
    Map<String,Object> params=new HashMap<>();
    params.put("uid",mobile);
    OkHttpClient okHttpClient=new OkHttpClient();
    MultipartBody.Builder builder=new MultipartBody.Builder().setType(MultipartBody.FORM);
    RequestBody requestBody=RequestBody.create(MediaType.parse("image/*"),file);
    builder.addFormDataPart("file",file.getName(),requestBody);
    if(params!=null){
        for (Map.Entry entry : params.entrySet()) {
            builder.addFormDataPart(valueOf(entry.getKey()), valueOf(entry.getValue()));
        }
        Request request=new Request.Builder().url(Api.IMG_API).post(builder.build()).build();
        Call call = okHttpClient.newCall(request);
        call.enqueue(new Callback() {
            @Override
            public void onFailure(Call call, IOException e) {
                System.out.println("=======失败了===");
            }

            @Override
            public void onResponse(Call call, Response response) throws IOException {
                System.out.println("=======成功了===");
            }
        });
    }
}