package com.ming.base.mvc.filter;

import org.slf4j.MDC;
import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.UUID;

/**
 * log mdc参数过滤器
 *
 * @author ming
 * @date 2021-11-25 14:35:12
 */
@Component
public class LogMdcFilter implements Filter {

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        try {
            HttpServletRequest request = (HttpServletRequest) servletRequest;
            MDC.put("requestId", UUID.randomUUID().toString());
            MDC.put("url", request.getRequestURI());
            MDC.put("method", request.getMethod());
            filterChain.doFilter(servletRequest, servletResponse);
        }finally {
            MDC.clear();
        }
    }
}

package com.ming.view;

import com.ming.base.mvc.annotation.NotNeedLogin;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
@Slf4j
@NotNeedLogin
public class LogMdcTestController {

    @GetMapping("/testLog")
    public String testLog() {
        log.debug("测试log");
        log.info("测试log");
        log.warn("测试log");
        log.error("测试log");
        return "测试log";
    }
}