通过扩展logback日志来发送异常信息邮件

import ch.qos.logback.classic.spi.LoggingEvent;
import ch.qos.logback.classic.spi.ThrowableProxy;
import ch.qos.logback.core.AppenderBase;
import com.handler.WlcAsyncHandler;
import com.utils.SpringContextUtil;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import javax.servlet.http.HttpServletRequest;
import java.util.Objects;

/**
 * 描述: 自定义日志处理类 <br>
 * 时间: 2021-07-01 11:11  <br>
 * 作者：IT学习道场
 */
public class wlcLogLogbackAppender extends AppenderBase<LoggingEvent> {

    @Override
    protected void append(LoggingEvent eventObject) {
        if(eventObject instanceof LoggingEvent){
            LoggingEvent loggingEvent = (LoggingEvent)eventObject;
            //拿到ThrowableProxy
            ThrowableProxy throwableProxy = (ThrowableProxy) loggingEvent.getThrowableProxy();
            if (Objects.nonNull(throwableProxy)) {
                //获取 throwable 顶级异常
                Throwable throwable = throwableProxy.getThrowable();
                //获取log的msg
                String formattedMessage = loggingEvent.getFormattedMessage();
                //获取请求request
                HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder
                        .getRequestAttributes()).getRequest();
                //获取spring的spring.mail.enable属性值，下面的逻辑你也可以自己根据想法自己玩也行
                String mailEnableProperty = SpringContextUtil.getEnvironmentProperty("spring.mail.enable");
                mailEnableProperty = (mailEnableProperty == null) ? "false" : mailEnableProperty;
                boolean mailEnable = Boolean.valueOf(mailEnableProperty);
                if (mailEnable){
                    //获取邮件的处理类
                    WlcAsyncHandler emailHandler = SpringContextUtil.getBean(WlcAsyncHandler.class);
                    emailHandler.handle(formattedMessage, throwable, request);
                }

            }
        }
        super.doAppend(eventObject);
    }

}

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <!-- 修改一下路径-->
    <property name="PATH" value="./log"></property>

    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <!--            <Pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %highlight(%-5level) %blue(%-50logger{50}:%-4line) %thread %green(%-18X{LOG_ID}) %msg%n</Pattern>-->
            <Pattern>%d{ss.SSS} %highlight(%-5level) %blue(%-30logger{30}:%-4line) %thread %green(%-18X{LOG_ID}) %msg%n</Pattern>
        </encoder>
    </appender>

    <appender name="TRACE_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${PATH}/trace/trace.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <FileNamePattern>${PATH}/trace/trace.%d{yyyy-MM-dd}.%i.log</FileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>10MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <!--因为 FileNamePattern 配置规则是yyyy-MM-dd，就是天，所以maxHistory代表多少天-->
            <cleanHistoryOnStart>true</cleanHistoryOnStart>
            <!--maxHistory生效必须加 <cleanHistoryOnStart>true</cleanHistoryOnStart>-->
            <maxHistory>15</maxHistory>
        </rollingPolicy>
        <layout>
            <pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} %-5level %-50logger{50}:%-4line %green(%-18X{LOG_ID}) %msg%n</pattern>
        </layout>
    </appender>

    <appender name="ERROR_FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <file>${PATH}/error/error.log</file>
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <FileNamePattern>${PATH}/error/error.%d{yyyy-MM-dd}.%i.log</FileNamePattern>
            <timeBasedFileNamingAndTriggeringPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedFNATP">
                <maxFileSize>10MB</maxFileSize>
            </timeBasedFileNamingAndTriggeringPolicy>
            <cleanHistoryOnStart>true</cleanHistoryOnStart>
            <maxHistory>15</maxHistory>
        </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>
    <!--配置自定义的日志处理了-->
    <appender name="WlcLog" class="com.logback.wlcLogLogbackAppender">
        <filter class="ch.qos.logback.classic.filter.LevelFilter">
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
    

    <!--ERROR级别调用-->
    <root level="ERROR">
        <appender-ref ref="ERROR_FILE" />
        <appender-ref ref="WlcLog" />
    </root>

    <root level="TRACE">
        <appender-ref ref="TRACE_FILE" />
    </root>

    <root level="INFO">
        <appender-ref ref="STDOUT" />
    </root>
</configuration>

ThrowableProxy throwableProxy = (ThrowableProxy) loggingEvent.getThrowableProxy();