Appuim項目實戰—log4j配置

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1. 在maven中配置log4j的依賴

<!-- 配置log4j依賴 -->           <dependency>               <groupId>log4j</groupId>               <artifactId>log4j</artifactId>               <version>1.2.17</version>           </dependency>

在src建立一個log4j.properties內容如下

log4j.rootLogger=DEBUG,console,FILE log4j.rootLogger=info,stdout,tracelog log4j.appender.Root.Encoding=UTF-8 log4j.additivity.org.apache=false log4j.appender.tracelog=org.apache.log4j.FileAppender log4j.appender.tracelog.Encoding=UTF-8 log4j.appender.tracelog.File=./log/project.log log4j.appender.D.Threshold = DEBUG ## è????oDEBUG?o§?????￥????????￥??? log4j.appender.tracelog.layout=org.apache.log4j.PatternLayout log4j.appender.tracelog.layout.ConversionPattern=%d{yyyy-MM-dd-HH:mm:ss}(%F:%L)%m%n   log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%-5p%d{yyyy-MM-dd-HH:mm:ss}(%F:%L)%m%n

執行個體log

package until; import org.apache.log4j.Logger; import org.apache.log4j.PropertyConfigurator; public class logTest {     public static Logger logger = Logger.getLogger(logTest.class);     public logTest() {           PropertyConfigurator.configure("log4j.properties");     }     public static void logInfo(Object message) {         logger.info(message);     }     public static void logError(Object message) {         logger.error(message);         // Assert.assertTrue(false);可以擴充講下，斷言的幾種方式     }     public static void logWarn(Object message) {         logger.warn(message);     } }

使用log

package until; public class test { public static void main(String[] args) {     logTest.logInfo("12"); } }

效果

項目

Appuim項目實戰—log4j配置