[英]Write image file in servlet by using ImageIO
我在servlet中生成圖像:
ImageIO.write(bufferedImage,"jpg" ,Outputstream)
但是部署后,我收到一個錯誤,它無法讀取輸入文件。
很久以前,我編寫了以下代碼(它正在將存儲為blob的圖像獲取並寫入到servler輸出中):
public class ImageDB extends HttpServlet {
// ...
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// ...
byte[] bytes = blob.getBytes((long)1, (int)blob.length());
ServletOutputStream out = response.getOutputStream();
out.write(bytes);
out.close(); // Close stream
// ...
}
}
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