AdminSecurityInterceptor.java 文件源码

@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object object) throws Exception {
    HttpSession session = request.getSession(true);  
       // 从session 里面获取用户名的信息  
       Object obj = session.getAttribute(Constants.SessionKey.ADMIN_USER.toString());  
       // 判断如果没有取到用户信息，就跳转到登陆页面，提示用户进行登陆  
       if (obj == null || "".equals(obj.toString())) {  
        response.sendRedirect(request.getContextPath()+"/admin/"+LOGIN_URL);  
        return false;
       }  
       return true;  
}