Several methods to obtain HttpServletRequest

How to Obtain

Code acquisition

First web.xml configuration

<listener>
    <listener-class>
        org.springframework.web.context.request.RequestContextListener
    </listener-class>
</listener>

After code acquisition

HttpServletRequest request = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();

spring direct approach

public ModelAndView userLandlord(Model model, HttpServletRequest request) {
    // ...    
}

Annotation method

@Autowired
private HttpServletRequest request;

Reference article

https://blog.csdn.net/liuguichenglove/article/details/84799356