将Url转成File文件

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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();    }}

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