Spring自定义筛选器仅在指定的url上执行1次

import org.springframework.web.filter.OncePerRequestFilter;
import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class CustomFilter extends OncePerRequestFilter {

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
        // 在这里编写自定义逻辑
        // 只在指定的URL上执行一次
        String url = request.getRequestURI();
        if (url.equals("/your-specified-url")) {
            // 执行自定义逻辑
        }

        // 继续执行过滤器链
        filterChain.doFilter(request, response);
    }
}

<bean id="customFilter" class="com.example.CustomFilter" />

<filter>
    <filter-name>customFilter</filter-name>
    <filter-class>com.example.CustomFilter</filter-class>
</filter>

<filter-mapping>
    <filter-name>customFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

<filter>
    <filter-name>springFilter</filter-name>
    <filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class>
</filter>

<filter-mapping>
    <filter-name>springFilter</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>