1， 去掉默認(rèn)日志，以便切換到log4j2的日志依賴

2， 然后添加如下兩個(gè)日志依賴

2， 配置文件內(nèi)容

<!-- 配置 log4j2 --><dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-log4j2</artifactId></dependency><!-- 加上這個(gè)才能辨認(rèn)到log4j2.yml文件 --><dependency><groupId>com.fasterxml.jackson.dataformat</groupId><artifactId>jackson-dataformat-yaml</artifactId></dependency>三，在工程根目錄下添加 lo4g2.yml 配置文件

1， 文件存放位置

2， 配置文件內(nèi)容

# 共有8個(gè)級(jí)別，按照從低到高為：ALL < TRACE < DEBUG < INFO < WARN < ERROR < FATAL < OFF。Configuration: status: warn monitorInterval: 30 Properties: # 定義全局變量 Property: # 缺省配置（用于開發(fā)環(huán)境）。其他環(huán)境需要在VM參數(shù)中指定，如下： #測(cè)試：-Dlog.level.console=warn -Dlog.level.xjj=trace #生產(chǎn)：-Dlog.level.console=warn -Dlog.level.xjj=info - name: log.level.console value: info - name: log.path value: log - name: project.name value: opendoc - name: log.pattern value: '%d{yyyy-MM-dd HH:mm:ss.SSS} -%5p ${PID:-} [%15.15t] %-30.30C{1.} : %m%n' Appenders: Console: #輸出到控制臺(tái) name: CONSOLE target: SYSTEM_OUT PatternLayout: pattern: ${log.pattern}# 啟動(dòng)日志 RollingFile: - name: ROLLING_FILE fileName: ${log.path}/${project.name}.log filePattern: '${log.path}/historyRunLog/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz' PatternLayout: pattern: ${log.pattern} Filters:# 一定要先去除不接受的日志級(jí)別，然后獲取需要接受的日志級(jí)別 ThresholdFilter: - level: error onMatch: DENY onMismatch: NEUTRAL - level: info onMatch: ACCEPT onMismatch: DENY Policies: TimeBasedTriggeringPolicy: # 按天分類 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100個(gè) max: 100# 平臺(tái)日志 - name: PLATFORM_ROLLING_FILE ignoreExceptions: false fileName: ${log.path}/platform/${project.name}_platform.log filePattern: '${log.path}/platform/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz' PatternLayout: pattern: ${log.pattern} Policies: TimeBasedTriggeringPolicy: # 按天分類 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100個(gè) max: 100# 業(yè)務(wù)日志 - name: BUSSINESS_ROLLING_FILE ignoreExceptions: false fileName: ${log.path}/bussiness/${project.name}_bussiness.log filePattern: '${log.path}/bussiness/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz' PatternLayout: pattern: ${log.pattern} Policies: TimeBasedTriggeringPolicy: # 按天分類 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100個(gè) max: 100# 錯(cuò)誤日志 - name: EXCEPTION_ROLLING_FILE ignoreExceptions: false fileName: ${log.path}/exception/${project.name}_exception.log filePattern: '${log.path}/exception/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz' ThresholdFilter: level: error onMatch: ACCEPT onMismatch: DENY PatternLayout: pattern: ${log.pattern} Policies: TimeBasedTriggeringPolicy: # 按天分類 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100個(gè) max: 100# DB 日志 - name: DB_ROLLING_FILE ignoreExceptions: false fileName: ${log.path}/db/${project.name}_db.log filePattern: '${log.path}/db/$${date:yyyy-MM}/${project.name}-%d{yyyy-MM-dd}-%i.log.gz' PatternLayout: pattern: ${log.pattern} Policies: TimeBasedTriggeringPolicy: # 按天分類 modulate: true interval: 1 DefaultRolloverStrategy: # 文件最多100個(gè) max: 100 Loggers: Root: level: info AppenderRef: - ref: CONSOLE - ref: ROLLING_FILE - ref: EXCEPTION_ROLLING_FILE Logger: - name: platform level: info additivity: false AppenderRef: - ref: CONSOLE - ref: PLATFORM_ROLLING_FILE - name: bussiness level: info additivity: false AppenderRef: - ref: BUSSINESS_ROLLING_FILE - name: exception level: debug additivity: true AppenderRef: - ref: EXCEPTION_ROLLING_FILE - name: db level: info additivity: false AppenderRef: - ref: DB_ROLLING_FILE# 監(jiān)聽具體包下面的日志# Logger: # 為com.xjj包配置特殊的Log級(jí)別，方便調(diào)試# - name: com.xjj# additivity: false# level: ${sys:log.level.xjj}# AppenderRef:# - ref: CONSOLE# - ref: ROLLING_FILE

3， 在application.yml引入log4j2.yml

package com.tcs.irecr.util;import org.slf4j.Logger;import org.slf4j.LoggerFactory;/*** 本地日志參考類 *@author Administrator **/public class LogUtils {//* 獲取業(yè)務(wù)日志logger}public static Logger getBussinessLogger() {return LoggerFactory.getLogger(LogEnum.BUSSINESS.getCategory());}//獲取平臺(tái)日志loggerpublic static Logger getPlatformLogger() {return LoggerFactory.getLogger(LogEnum.PLATFORM.getCategory());}//獲取數(shù)據(jù)庫(kù)日志loggerpublic static Logger getDBLogger() {return LoggerFactory.getLogger(LogEnum.DB.getCategory());}//獲取異常日志loggerpublic static Logger getExceptionLogger() {return LoggerFactory.getLogger(LogEnum.EXCEPTION.getCategory());}六， 運(yùn)行時(shí)自動(dòng)在工程目錄下生產(chǎn)日志目錄和日志文件

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