SpringMVC日志追踪笔记整理

新建logback–spring.xml

<?xml version="1.0" encoding="UTF-8"?&gt;
<configuration&gt;
    <property name="PATH" value="./log/business"&gt;</property&gt;
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"&gt;
        <encoder&gt;
            <Pattern>%d{mm:ss.SSS} %highlight(%-5level) %blue(%-30logger{30}:%-4line) %thread %green(%-18X{LOG_ID}) %msg%n</Pattern>
        </encoder>
    </appender>
    <appender name="ERROR_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${PATH}/error.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <FileNamePattern>${PATH}/error.%d{yyyy-MM-dd}.%i.log</FileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>10MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
        </rollingPolicy>
        <layout>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %-50logger{50}:%-4line %green(%-18X{LOG_ID}) %msg%n</pattern>
        </layout>
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
    <root level="ERROR">
        <appender-ref ref="ERROR_FILE" />
    </root>
    <root level="INFO">
        <appender-ref ref="STDOUT" />
    </root>
</configuration>

编写拦截器

@Component
public class LogInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        // 增加日志流水号
        MDC.put("LOG_ID", System.currentTimeMillis() + RandomUtil.randomString(3));
        return true;
    }
}

配置拦截器

@Configuration
public class SpringMvcConfig implements WebMvcConfigurer {
   @Resource
   LogInterceptor logInterceptor;
   @Override
   public void addInterceptors(InterceptorRegistry registry) {
       registry.addInterceptor(logInterceptor)
               .addPathPatterns("/**");
   }
}