struts2 使用logback日记
struts2 使用logback日志
1. WEB-INF/lib 下添加SLF4J及 logback的 jar包
SLF4J下载地址:http://www.slf4j.org/download.html
logback下载载址:http://logback.qos.ch/download.html
jar包名:logback-access-1.1.2.jar,logback-classic-1.1.2.jar,logback-core-1.1.2.jar,slf4j-api-1.7.7.jar
2.在web.xml中配置使用SLF4J
<filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> <init-param> <param-name>loggerFactory</param-name> <param-value>com.opensymphony.xwork2.util.logging.slf4j.Slf4jLoggerFactory</param-value> </init-param> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
3.src 下添加logbak.xml:
<?xml version="1.0" encoding="UTF-8"?> <configuration> <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender"> <!-- encoders are assigned the type ch.qos.logback.classic.encoder.PatternLayoutEncoder by default --> <encoder> <pattern>%d [%thread] %-5level %logger{0} - %msg %n</pattern> </encoder> </appender> <appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>logFile.log</file> <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy"> <!-- daily rollover --> <fileNamePattern>logFile.%d{yyyy-MM-dd}.log</fileNamePattern> <!-- keep 30 days' worth of history --> <maxHistory>30</maxHistory> </rollingPolicy> <encoder> <pattern>%d [%thread] %-5level %logger{0} - %msg %n</pattern> </encoder> </appender> <root level="DEBUG"> <appender-ref ref="STDOUT" /> <appender-ref ref="FILE" /> </root> </configuration>
4.程序中使用SLF4J日志示例
import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class TestLog { private final static Logger logger = LoggerFactory.getLogger(TestLog.class); public void query(String sql,int pageNo,int rowsOfPage){ logger.info("query db sql:{},pageNo:{},rowsOfPage:{}",sql,pageNo,rowsOfPage); } }