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img的src地址是一个请求的方式来显示图片方法

时间:2021-05-02 08:20:22 | 栏目:JSP代码 | 点击:

1、jsp

 <img alt="test" src="getImg2.do">

2、controller

@RequestMapping("getImg2")
 public void getImg2(HttpServletRequest request, HttpServletResponse response)
  throws IOException {
 FileInputStream fis = null;
 OutputStream os = null;
 try {
  fis = new FileInputStream("d:/log.png");
  os = response.getOutputStream();
  int count = 0;
  byte[] buffer = new byte[1024 * 8];
  while ((count = fis.read(buffer)) != -1) {
  os.write(buffer, 0, count);
  os.flush();
  }
 } catch (Exception e) {
  e.printStackTrace();
 } finally {
  try {
  fis.close();
  os.close();
  } catch (IOException e) {
  e.printStackTrace();
  }
 }
}

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