MDC logback 利用Threadlocal

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <property name="PATTERN" value="%-12(%d{yyyy-MM-dd}) |-%-5level [%thread] %c [%L] -|%X{uuid}| %msg%n "/>
    <!-- test文件路径 -->
    <property name="TEST_FILE_PATH" value="D:/DevData/logs"/>
    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>${PATTERN}</pattern>
        </encoder>
    </appender>
    <logger name="com.example.demo" level="info">
        <appender-ref ref="CONSOLE"/>
    </logger>
    <root level="info">
        <appender-ref ref="CONSOLE"/>
    </root>
</configuration>

拦截器

public class LoginTimeInterceptor implements HandlerInterceptor {

@Override
//在控制器执行前调用
public boolean preHandle(HttpServletRequest request,
                         HttpServletResponse response, Object handler) throws Exception {
     MDC.put("uuid",UUID.randomUUID().toString());
     return  true;
}

}