搭建log4j的具體步驟 java
一、下載jar包放在lib 拓展庫中apache
百度雲下載 地址api
連接:https://pan.baidu.com/s/1Cvb22kCJcymORehwhKnCrQ
提取碼:b55m
app
放置 目錄 測試
後右鍵 Build Pathui
二、配置spa
配置代碼以下debug
### set log levels ### log4j.rootLogger = info,stdout,D log4j.logger.com.mucfc=error log4j.appender.stdout = org.apache.log4j.ConsoleAppender log4j.appender.stdout.Target = System.out log4j.appender.stdout.layout = org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern = [%-5p] %d{yyyy-MM-dd HH:mm:ss,SSS} method:%l%n%m%n log4j.appender.D = org.apache.log4j.DailyRollingFileAppender log4j.appender.D.File = F://logs/log.log log4j.appender.D.Append = false log4j.appender.D.Threshold = DEBUG log4j.appender.D.layout = org.apache.log4j.PatternLayout log4j.appender.D.layout.ConversionPattern = %-d{yyyy-MM-dd HH:mm:ss} [ %t:%r ] - [ %p ] %m%n
三、使用demo日誌
在項目原代碼src 右鍵 >> new >> other >> junit test case 新建測試單元 JunitDemocode
package junit.test; import static org.junit.jupiter.api.Assertions.*; import org.junit.jupiter.api.Test; class JunitDemo1 { @Test void test() { fail("Not yet implemented"); } }
執行就會執行 test方法
四、在日常的開發中能夠加入日誌管理
package com.servelet; import java.util.Properties; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; public class demo2 { private static Logger logger = LogManager.getLogger(demo2.class); public static void main(final String... args) { logger.warn("warn"); logger.debug("debug"); logger.error("error"); logger.info("info"); logger.trace("trace"); logger.trace(args); } }