springboot过滤器的实现

springboot过滤器的实现

如下所示：

import javax.servlet.*;

import javax.servlet.annotation.WebFilter;
import java.io.IOException;

@WebFilter(filterName="SpringbootFilter",urlPatterns="/security/**")
public class SpringbootFilter implements Filter {

    public ServletFilter() {

    }

    public void destroy() {
        System.out.println("过滤器已被销毁......");
    }

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {

        System.out.println("过滤器正在执行......");
        chain.doFilter(request, response);
    }

    public void init(FilterConfig fConfig) throws ServletException {
        System.out.println("初始化过滤器中......");
    }
}