将Url转成File文件

if (requestCode == 200 && resultCode == Activity.RESULT_OK && data != null) {
    
    Uri selectedImage = data.getData();
    String[] filePathColumns = {MediaStore.Images.Media.DATA};
    Cursor c = getContentResolver().query(selectedImage, filePathColumns, null, null, null);
    c.moveToFirst();
    int columnIndex = c.getColumnIndex(filePathColumns[0]);
    String imagePath = c.getString(columnIndex);
    showImage(imagePath);
    c.close();
    
}

private void showImage(String imaePath){
    try {
        Bitmap bm = BitmapFactory.decodeFile(imaePath);
        File file = new File(imaePath);
        imageView.setImageBitmap(bm);
        imageView.setScaleType(ImageView.ScaleType.FIT_XY);
        BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
        bm.compress(Bitmap.CompressFormat.JPEG, 100, bos);
        uploadPic(file);
        bos.flush();
        bos.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}