在MySQL和JavaFX中保存和检索图像文件

在我的JavaFX应用程序中，我想保存和检索图像文件. 但我找不到解决办法. 我try 了很多种解决方案. 但我找不到解决办法. 在这些解决方案中，我可以保存图像文件，但无法在ImageView中检索和显示. 未显示错误.但我找不到解决办法. 我不知道哪里出了错. 因此，请研究我的图像保存代码和检索代码，并帮助解决这个问题. 提前谢谢你.

This is my Show Image Code个

private void showImage(String id) {
        Image img = null;
        try {
            PreparedStatement pst = db.con.prepareStatement("select image from " + db.schema + ".tbl_user where code = ?");
            pst.setString(1, id);
            ResultSet rs = pst.executeQuery();
            if (rs.next()) {
                Blob image = rs.getBlob("image");
                InputStream imgFile = image.getBinaryStream();
                img = new Image(imgFile) ;
                imgFile.close();
                imgView.setFitHeight(120);
                imgView.setFitWidth(120);
                imgView.isSmooth();
                imgView.setImage(img);
                lblPic.setText("");
            } else {
                lblPic.setText("Photo");
            }
        } catch (Exception e) {
            Alert alt = new Alert(Alert.AlertType.ERROR,e.getMessage(),ButtonType.OK);
            alt.show();
            throw new RuntimeException(e);
        }
    }

This How I select the Image to Save.

 FileChooser chooser = new FileChooser();
 FileChooser.ExtensionFilter extFilterJPG = new FileChooser.ExtensionFilter("JPG files (*.jpg)", "*.JPG","*.JPEG","*.jpeg");
 FileChooser.ExtensionFilter extFilterPNG = new FileChooser.ExtensionFilter("PNG files (*.png)", "*.PNG");
 chooser.getExtensionFilters().addAll(extFilterJPG, extFilterPNG);
 File file = chooser.showOpenDialog(stage_Emp);
   if(file != null){
      Image image = new Image(file.toURI().toString());
      imgView.setFitHeight(120);
      imgView.setFitWidth(120);
      imgView.isSmooth();
      imgView.setImage(image);
      img_path=file.getAbsolutePath();
   }

And This is How I save the Image个

 FileInputStream fis = new FileInputStream(img_path);
 PreparedStatement pst = db.con.prepareStatement("UPDATE "+db.schema+".tbl_user SET image=? Where code=?");
 pst.setBinaryStream(1,fis,(int)img_path.length());
 pst.setString(2, txtID.getText());
 pst.executeUpdate();