package com.filter;

import org.springframework.core.annotation.Order;

import javax.servlet.*;

import javax.servlet.annotation.WebFilter;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

import java.io.IOException;

@WebFilter(urlPatterns = {"*.do", "/"})

@Order(value = 1)

public class LoginFilter implements Filter {

    @Override

    public void init(FilterConfig filterConfig) {

    }

    @Override

    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {

    }

    @Override

    public void destroy() {

    }

}

package com;

import org.mybatis.spring.annotation.MapperScan;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;

import org.springframework.boot.web.servlet.ServletComponentScan;

import org.springframework.context.annotation.ImportResource;

@SpringBootApplication

@ServletComponentScan

public class DemoApplication {

    public static void main(String[] args) {

        SpringApplication.run(DemoApplication.class, args);

    }

}