The img src address is a requested way to display the picture method
- 2021-12-04 19:25:33
- OfStack
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();
}
}
}