先设置一个链接跳到controller。
在servletAPI方法中添加HttpServletRequest request , HttpServletResponse response 两个参数
@RequestMapping(path="/servletAPI")
public String servletAPI(HttpServletRequest request , HttpServletResponse response){
HttpSession session = request.getSession();
System.out.println(session);
ServletContext servletContext = session.getServletContext();
System.out.println(servletContext);
System.out.println(request);
System.out.println(response);
return "success";
}
页面跳转后控制台就会打印