sprigboot Filter拦截器

//配置类

package com.config;

import com.Filter.RequestFilter;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @author xulei
 * @version 1.0
 * @date 2020/4/28 11:20
 */
@Configuration
public class FilterConfig {
    @Bean
    public FilterRegistrationBean registrationBean() {
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new RequestFilter());
        filterRegistrationBean.addUrlPatterns("/*");
        return filterRegistrationBean;
    }
}

//实现类
package com.Filter;

import javax.servlet.*;
import java.io.IOException;

/**
 * @author xulei
 * @version 1.0
 * @date 2020/4/28 11:16
 */
public class RequestFilter implements Filter {
    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        System.out.println("消息拦截成功");
        filterChain.doFilter(servletRequest,servletResponse);
    }
}