服务器读取图片到jsp显示问题

Question

我要从服务器读个图片显示到jsp

jsp页面

<img src="getPic.do"> 

后台

@RequestMapping(value = "getPic", method = RequestMethod.GET)

    public void getPic(HttpServletRequest request,HttpServletResponse response) throws Exception {

        response.setContentType("img/png");  

        response.setCharacterEncoding("utf-8");  

        WebApplicationContext webApplicationContext = ContextLoader.getCurrentWebApplicationContext();  

          ServletContext servletContext =    webApplicationContext.getServletContext();

             String path =  servletContext.getRealPath("Wopop_files/1.png");

            FileInputStream fis = null;

            File file = new File(path);

            fis =  new FileInputStream(file);

            byte[] b = new byte[fis.available()];

            fis.read(b);

            OutputStream out = response.getOutputStream();

           out.write(b);

          out.flush();

            

    }    

    

图片没显示，请求之后倒是下载了个getPic.DO文件，咋回事啊。。

Answer 1

response.setContentType("image/png");