自定义log日志存导指定文件里

1.在实际项目中，常见的日志打印级别：OFF 、 FATAL 、 ERROR 、 WARN 、 INFO 、 DEBUG 、 TRACE 、 ALL（从高到地低），日志打印级别全局配置,级别越低日志越多，常见的打印日志级别INFO 、 DEBUG  但我们不常会发现打印的日志越多   我们查错起来很不方便     如我们想要打印接口返回的数据，如果单单打印在INFO 、 DEBUG级别里     查看实时日志日    就会瞬间满满的霸屏了   如下这样：

2.如上这样 我们看实时日志很不方便   特别是用户量特别大的时候    这更加使我们排查问题增加了难度     如此一来  我们可以指定过滤掉一些日志  将想要的打印数据存到指定的文件夹中    如下所示：

 

 

3.完整代码如下：

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    
    <property name="log.dir" value="/data/log_files/xuhui"></property>

    <!--日志打印级别全局配置,级别越低日志越多-->
    <!-- 从高到地低 OFF 、 FATAL 、 ERROR 、 WARN 、 INFO 、 DEBUG 、 TRACE 、 ALL -->
    <property name="log.level" value="INFO"></property>

    <!-- 控制台输出 主要用于本机开发调试-->
    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %highlight(%-5level) %logger - %highlight(%msg) %n</pattern>
        </encoder>
    </appender>
    <appender name="apiConsole" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %highlight(%-5level) %logger - %boldYellow(%msg) %n</pattern>
        </encoder>
    </appender>
    <appender name="redirectConsole" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %highlight(%-5level) %logger - %boldYellow(%msg) %n</pattern>
        </encoder>
    </appender>
    <!-- 错误日志  -->
    <appender name="ERROR" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 按天回滚 daily -->
            <!-- log.dir 在maven profile里配置 -->
            <fileNamePattern>${log.dir}/%d{yyyy-MM-dd}/error-%d{yyyy-MM-dd}.log</fileNamePattern>
            <!-- 日志最大的历史 30天 -->
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印错误日志 -->
            <level>ERROR</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <!-- 警告日志  -->
    <appender name="WARN" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 按天回滚 daily -->
            <fileNamePattern>${log.dir}/%d{yyyy-MM-dd}/warn-%d{yyyy-MM-dd}.log</fileNamePattern>
            <!-- 日志最大的历史 30天 -->
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印错误日志 -->
            <level>WARN</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <!-- info日志   -->
    <appender name="INFO" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 按天回滚 daily -->
            <fileNamePattern>${log.dir}/%d{yyyy-MM-dd}/info-%d{yyyy-MM-dd}.log</fileNamePattern>
            <!-- 日志最大的历史 30天 -->
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印错误日志 -->
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <!-- debug日志 appender  -->
    <appender name="DEBUG" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 按天回滚 daily -->
            <fileNamePattern>${log.dir}/%d{yyyy-MM-dd}/debug-%d{yyyy-MM-dd}.log</fileNamePattern>
            <!-- 日志最大的历史 30天 -->
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印错误日志 -->
            <level>DEBUG</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>
    <!-- 接口日志-->
    <appender name="apiLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 按天回滚 daily -->
            <fileNamePattern>${log.dir}/%d{yyyy-MM-dd}/api-%d{yyyy-MM-dd}.log</fileNamePattern>
            <!-- 日志最大的历史 30天 -->
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印错误日志 -->
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <logger name="api" additivity="false" level="INFO">
        <appender-ref ref="apiLog"/>
        <appender-ref ref="apiConsole"/>
    </logger>

    <!-- 跳转日志-->
    <appender name="redirectLog" class="ch.qos.logback.core.rolling.RollingFileAppender">
        <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
            <!-- 按天回滚 daily -->
            <fileNamePattern>${log.dir}/%d{yyyy-MM-dd}/redirect-%d{yyyy-MM-dd}.log</fileNamePattern>
            <!-- 日志最大的历史 30天 -->
            <maxHistory>30</maxHistory>
        </rollingPolicy>
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger - %msg%n</pattern>
        </encoder>
        <filter class="ch.qos.logback.classic.filter.LevelFilter"><!-- 只打印错误日志 -->
            <level>INFO</level>
            <onMatch>ACCEPT</onMatch>
            <onMismatch>DENY</onMismatch>
        </filter>
    </appender>

    <logger name="redirect" additivity="false" level="INFO">
        <appender-ref ref="redirectLog"/>
        <appender-ref ref="redirectConsole"/>
    </logger>

    <!--全局日志打印的包的范围，及分类日志文件存储 -->
    <root level="${log.level}">
        <appender-ref ref="STDOUT"/>
        <appender-ref ref="DEBUG"/>
        <appender-ref ref="INFO"/>
        <appender-ref ref="ERROR"/>
        <appender-ref ref="WARN"/>
    </root>

</configuration>

4.利用AOP拦截打印请求地址、参数    代码如下：
 

package com.longjin.comm.aop;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.AfterReturning;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;
import org.springframework.util.ObjectUtils;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

import static java.util.stream.Collectors.joining;

/**
 * @Description:AOP拦截打印请求地址、参数
 * @Author 何志鹏
 * @Date 2020/6/1 14:30
 * @Version 1.0
 */
@Aspect
@Component
@Slf4j(topic = "api")
public class ConsoleLogAspect {


    //设置切面点
    @Pointcut(value = "(execution(* com.longjin.wechat.controller.*.*(..)) || execution(* com.longjin.admin.*.controller.*.*(..))) || execution(* com.longjin.statistics.controller.*.*(..)))")
    public void webLog() {}

    //指定切点前的处理方法
    @Before("webLog()")
    public void doBefore(JoinPoint joinPoint) throws Exception {
        //获取request对象
        ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
        HttpServletRequest request = attributes.getRequest();
        StringBuilder sb = new StringBuilder();
        //拼接请求内容
        sb.append("\n请求路径:").append(request.getRequestURL().toString()).append("  ").append(request.getMethod()).append("\n");
        sb.append("\n请求Token:").append(request.getHeader("token")).append("\n");
        //判断请求是什么请求
        if (request.getMethod().equalsIgnoreCase(RequestMethod.GET.name())) {
            Map<String, String[]> parameterMap = request.getParameterMap();
            Map<String, String> paramMap = new HashMap<>();
            parameterMap.forEach((key, value) -> paramMap.put(key, String.join(",", value)));
            sb.append("请求参数:").append(JSON.toJSONString(paramMap));
        } else if (request.getMethod().equalsIgnoreCase(RequestMethod.POST.name())) {
            Object[] args = joinPoint.getArgs();
            StringBuilder stringBuilder = new StringBuilder();
            Arrays.stream(args).forEach(object -> stringBuilder.append(object.toString().replace("=",":")));
            if (stringBuilder.length() == 0){
                stringBuilder.append("{}");
            }
            sb.append("请求参数:").append(stringBuilder.toString());
        }
        log.info(sb.toString());
    }

    //指定切点前的处理方法
    @AfterReturning(pointcut = "webLog()",returning = "result")
    public void doAfterReturning(Object result) {
        if (ObjectUtils.isEmpty(result)){
            return;
        }
        String resultStr = JSON.toJSONString(result);
        JSONObject jsonObject = JSONObject.parseObject(resultStr);
        String errcode = jsonObject.getString("errcode");
        String errmsg = jsonObject.getString("errmsg");

        log.info("\n返回结果:" + "errcode:"+errcode+","+"errmsg:"+errmsg);
    }

}

5.在打印日志的地方加上@Slf4j(topic = "api")   如下：

 

6.打印的日志文件如下：