img标签读取本地图片

// 给img赋图片<img id = "preview"src="./static/images/img.jpg">$("#preview").attr("src",img_url+headerurl);  //图片地址var img_url ="http://localhost:8080/leaseWeb/showImg.shtml?headerUrl=";@RequestMapping(value = "showImg")public void ShowImg(HttpServletRequest request, HttpServletResponse response, @RequestParam("headerUrl") String url)throws IOException {FileInputStream fileIs = null;try {fileIs = new FileInputStream(url);} catch (Exception e) {return;}int i = fileIs.available();// 得到文件大小byte data[] = new byte[i];fileIs.read(data);// 读数据response.setContentType("image/*");// 设置返回的文件类型OutputStream outStream = response.getOutputStream();// 得到向客户端输出二进制数据的对象outStream.write(data);// 输出数据outStream.flush();outStream.close();fileIs.close();}