Spring MVC -需要一个不使用值的头吗？

@RequestMapping("/example")
public String exampleMethod(@RequestParam(value = "headerName", required = false) String headerValue) {
    // 处理逻辑
    return "view";
}

public class ExampleFilter implements Filter {
    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest httpRequest = (HttpServletRequest) request;
        String headerValue = httpRequest.getHeader("headerName");
        
        // 处理逻辑
        
        chain.doFilter(request, response);
    }
}