java webproject中l(wèi)ogback換配置文件的路徑

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web.xml中配置：

<!-- windows ?logback.xml文件跟web容器（比方tomcat)在同一個文件夾中。linux任意? -->
<context-param>
<param-name>logbackConfigLocation</param-name>
<param-value>file:/datum/Data/conf/config/logback.xml</param-value>
</context-param>

<!-- logback.xml任意放 ?-->
<context-param>
<param-name>logbackConfigLocation</param-name>
<param-value>file:E:\\datum\\data\\conf\\logback.xml</param-value>
</context-param>

當(dāng)中file:一定要有。

<listener>
<listener-class>com.cxfmvcstu.comn.LogbackConfigListener</listener-class>
</listener>

LogbackConfigListener為自己的實(shí)現(xiàn)類

import javax.servlet.ServletContextEvent; import javax.servlet.ServletContextListener;import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.core.io.UrlResource;import ch.qos.logback.classic.LoggerContext; import ch.qos.logback.classic.joran.JoranConfigurator; import ch.qos.logback.core.joran.spi.JoranException;/*** @description * @path com.cxfmvcstu.comn.LogbackConfigListener* @author lijun.justin* @time 2015年6月27日 下午8:13:19*/ public class LogbackConfigListener implements ServletContextListener {private static final Logger logger = LoggerFactory.getLogger(LogbackConfigListener.class);private static final String CONFIG_LOCATION = "logbackConfigLocation";@Overridepublic void contextInitialized(ServletContextEvent event) {// 從web.xml中載入指定文件名稱的日志配置文件String logbackConfigLocation = event.getServletContext().getInitParameter(CONFIG_LOCATION);String fn = event.getServletContext().getRealPath(logbackConfigLocation);try {UrlResource urlResource = new UrlResource(logbackConfigLocation);LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();loggerContext.reset();JoranConfigurator joranConfigurator = new JoranConfigurator();joranConfigurator.setContext(loggerContext);//joranConfigurator.doConfigure(fn);joranConfigurator.doConfigure(urlResource.getFile().getAbsolutePath());logger.debug("loaded slf4j configure file from {}", fn);} catch (JoranException e) {logger.error("can loading slf4j configure file from " + fn, e);}catch (Exception e) {logger.error(e.getMessage(), e);}}@Overridepublic void contextDestroyed(ServletContextEvent event) {} }
要依賴于spring的UrlResource類。里面沒用的代碼。讀者自己精簡一下

logback.xml的配置演示樣例：

<?xml version="1.0" encoding="UTF-8" ?>
<configuration scan="true" scanPeriod="60 seconds" debug="false"> ??
<!-- 控制臺輸出 -->
<appender name="stdout" class="ch.qos.logback.core.ConsoleAppender">
<encoder>
<pattern>%date [%thread] %-5level %logger{80} - %msg%n</pattern>
</encoder>
</appender>


<!-- 時間滾動輸出 level為 INFO 日志 -->
<appender name="file—INFO"
class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>INFO</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY </onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>D:/logs/INFO.%d{yyyy-MM-dd}.log</FileNamePattern>
<MaxHistory>30</MaxHistory>
</rollingPolicy>
<encoder>
<pattern>%date [%thread] %-5level %logger{80} - %msg%n</pattern>
</encoder>
</appender>


<!-- 時間滾動輸出 level為 ERROR 日志 -->
<appender name="file—error" class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.classic.filter.LevelFilter">
<level>ERROR</level>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY </onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>D:/logs/error.%d{yyyy-MM-dd}.log</FileNamePattern>
<MaxHistory>30</MaxHistory>
</rollingPolicy>
<encoder>
<pattern>%date [%thread] %-5level %logger{80} - %msg%n</pattern>
</encoder>
</appender>


<!-- 特定過濾含有某字符串的日志 ? 須要額外的兩個JAR包，commons-compiler.jar和janino.jar
<appender name="file-str" class="ch.qos.logback.core.rolling.RollingFileAppender">
<filter class="ch.qos.logback.core.filter.EvaluatorFilter">
<level>ERROR</level>
<evaluator>
<expression>message.contains("str")</expression>
</evaluator>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
<FileNamePattern>D:/logs/contains.%d{yyyy-MM-dd}.log
</FileNamePattern>
<MaxHistory>30</MaxHistory>
</rollingPolicy>
<encoder>
<pattern>%date [%thread] %-5level %logger{80} - %msg%n</pattern>
</encoder>
</appender> ?-->


<!-- 數(shù)據(jù)庫輸出?
<appender name="db" class="ch.qos.logback.classic.db.DBAppender">
<filter class="ch.qos.logback.core.filter.EvaluatorFilter">
<level>ERROR</level>
<evaluator>
<expression>message.contains("str")</expression>
</evaluator>
<onMatch>ACCEPT</onMatch>
<onMismatch>DENY</onMismatch>
</filter>
<connectionSource
class="ch.qos.logback.core.db.DriverManagerConnectionSource">
<driverClass>com.mysql.jdbc.Driver</driverClass>
<url>jdbc:mysql://host_name:3306/datebase_name</url>
<user>username</user>
<password>password</password>
</connectionSource>
</appender> -->


<root level="INFO">
<appender-ref ref="stdout" />
<appender-ref ref="file—INFO" />
<appender-ref ref="file—error" />
<appender-ref ref="file-str" />
<appender-ref ref="db" />
</root>


</configuration>?

本人小站點(diǎn)： ??http://51kxd.com/ ?歡迎大家訪問 posted on 2017-06-20 21:27 mthoutai 閱讀(...) 評論(...) 編輯 收藏

轉(zhuǎn)載于:https://www.cnblogs.com/mthoutai/p/7056404.html

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