java查询图片显示无图片显示项目默认图片

/**
* 读取图片
* @param request
* @param record
* @return
*/
@RequestMapping(params ="method=queryWlmxZp")
public void queryWlmxZp(HttpServletRequest request,HttpServletResponse response,HttpWlmxZpBean record){
OutputStream outputStream = null;
try {
record =wSWlmxZpService.queryWlmxZp(record);
if(record!=null&&record.getZp().length>0){
byte [] zp=record.getZp();
outputStream = response.getOutputStream();
outputStream.write(zp);
}else{
RequestDispatcher dis = request.getRequestDispatcher("/static/images/timg.jpg");
dis.forward(request, response);
}
} catch (Exception e) {
e.printStackTrace();
}finally{
try {
if(outputStream!=null){
outputStream.close();
}
} catch (Exception e) {
e.printStackTrace();
}
}
}