我要评论【java】springboot项目使用mdc给日志增加唯一标识,方便日志追踪
1.日志效果
2.实现步骤
2.1.创建日志拦截器 logginginterceptor
@component
public class logginginterceptor implements handlerinterceptor {
private static final string log_id = "logid";
@override
public boolean prehandle(httpservletrequest request, httpservletresponse response, object handler) throws exception {
string simpleuuid = idutil.simpleuuid();
string logid =string.format("[logid:%s]", simpleuuid);
mdc.put(log_id, logid);
return true;
}
@override
public void aftercompletion(httpservletrequest request, httpservletresponse response, object handler, exception ex) throws exception {
mdc.remove(log_id);
}
}2.2.配置拦截器
@configuration
public class webconfig implements webmvcconfigurer {
@resource
private logginginterceptor logginginterceptor;
/**
* 注册拦截器
*
* @param registry 入参
*/
@override
public void addinterceptors(interceptorregistry registry) {
// 注册日志拦截器
registry.addinterceptor(logginginterceptor).addpathpatterns("/**");
}
}2.3.修改日志配置文件
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<!-- 读取application.yml中的日志配置 -->
<springproperty scope="context" name="log_path" source="logging.file.path"/>
<springproperty scope="context" name="log_name" source="logging.file.log-name"/>
<springproperty scope="context" name="max_history" source="logging.file.days"/>
<!-- 定义控制台输出格式 -->
<appender name="console" class="ch.qos.logback.core.consoleappender">
<encoder class="ch.qos.logback.classic.encoder.patternlayoutencoder">
<pattern>%d{yyyy-mm-dd hh:mm:ss.sss} [%thread] %x{logid} %-5level %logger{50} - %msg%n</pattern>
</encoder>
</appender>
<!-- 定义每天生成一个日志文件，并归档生成压缩包 -->
<appender name="file" class="ch.qos.logback.core.rolling.rollingfileappender">
<file>./${log_name}.log</file>
<rollingpolicy class="ch.qos.logback.core.rolling.timebasedrollingpolicy">
<!-- 每天生成一个日志文件 -->
<filenamepattern>${log_path}/%d{yyyy-mm-dd}.log</filenamepattern>
<!-- 最多保留指定天数的日志文件 -->
<maxhistory>${max_history}</maxhistory>
</rollingpolicy>
<encoder class="ch.qos.logback.classic.encoder.patternlayoutencoder">
<pattern>%d{yyyy-mm-dd hh:mm:ss.sss} [%thread] %x{logid} %-5level %logger{50} - %msg%n</pattern>
</encoder>
</appender>
<!-- 日志级别设置 -->
<root level="info">
<appender-ref ref="console"/>
<appender-ref ref="file"/>
</root>
</configuration>3.源码地址
https://gitee.com/xhs101/spring-boot-demo
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