testlog.jsp

《精通JSP编程 》源代码(赵强那本) 很有用的源代码

<%@page import ="org.apache.commons.logging.*"%>
<%
  // 获得Logger实例－helloappLogger
   Log helloappLogger = LogFactory.getLog("helloappLogger");
   out.print(helloappLogger);
  // 获得Logger实例－childLogger
    Log childLogger = LogFactory.getLog("helloappLogger.childLogger");
   
 

    // 通过helloappLogger输出日志信息
    helloappLogger.debug("This is a log message from the helloappLogger" );
    helloappLogger.info("This is a log message from the helloappLogger");
    helloappLogger.warn("This is a log message from the helloappLogger");
    helloappLogger.error("This is a log message from the helloappLogger");
    helloappLogger.fatal("This is a log message from the helloappLogger" );


    // 通过childLogger输出日志信息
    childLogger.debug("This is a log message from the childLogger");
    childLogger.info("This is a log message from the childLogger"); 
    childLogger.warn("This is a log message from the childLogger"); 
    childLogger.error("This is a log message from the childLogger");
    childLogger.fatal("This is a log message from the childLogger");
  
%>