自定义java类

package com.sitech.nbc.util;    import java.io.ByteArrayOutputStream;  import java.io.PrintWriter;    import org.apache.log4j.Logger;  /**   *    * <p>Title: 系统的调试信息和错误信息的文件记录的接口</p>   * <p>Description: 系统的调试信息和错误信息的文件记录的接口</p>   * @version 1.0   */  public class FileLog {      private static Logger debugLogger = null;            private static Logger errorLogger = null;      private static Logger infoLogger = null;        private static Logger countTimeLogger=null;              static {          loadLogger();      }        public FileLog() {          super();      }        /**       * 装载系统使用的log       */      static void loadLogger() {          debugLogger = Logger.getLogger("");          infoLogger = Logger.getLogger("info");          errorLogger = Logger.getLogger("error");                    countTimeLogger = Logger.getLogger("countTimeLogger");      }            //自定义的输出类型

    public static void countTimeLog(Object msg) {       countTimeLogger.info(msg);      }            public static void countTimeLog(Object msg,Exception e) {       countTimeLogger.info(msg+"\n"+getExceptionTrace(e));      }                  /**       * @param msg: error级别的错误信息    */      public static void errorLog(Object msg) {          errorLogger.error(msg);      }        /**       * @param e: error级别的异常信息    */      public static void errorLog(Exception e) {          errorLogger.error(getExceptionTrace(e));      }        /**       * @param e: error级别的异常信息       * @param msg: error级别的错误信息    */      public static void errorLog(Exception e, Object msg) {          errorLogger.error(msg + "\n" + getExceptionTrace(e));      }     /**       * @param msg: debug级别的错误信息    */      public static void debugLog(Object msg) {          debugLogger.debug(msg);      }        /**       * @param e: debug级别的异常信息    */      public static void debugLog(Exception e) {          debugLogger.debug(getExceptionTrace(e));      }        /**       * @param e: debug级别的异常信息       * @param msg: debug级别的错误信息    */      public static void debugLog(Exception e, Object msg) {          debugLogger.debug(msg + "\n" + getExceptionTrace(e));      }        /**       * @param msg: info级别的错误信息    */      public static void systemLog(Object msg) {          infoLogger.info(msg);      }     /**       * @param e: info级别的异常信息    */      public static void systemLog(Exception e) {          infoLogger.info(getExceptionTrace(e));      }        /**       * @param e: debug级别的异常信息       * @param msg: debug级别的错误信息    */      public static void systemLog(Exception e, Object msg) {          infoLogger.info(msg + "\n" + getExceptionTrace(e));      }        /**       * @param e: 异常信息输出    */      public static void exOut(Exception e) {          String print = getExceptionTrace(e);          errorLogger.error(print);      }        /**       * @param e: debug级别的异常信息       * @param msg: debug级别的错误信息    */      private static String getExceptionTrace(Exception e) {          String print = null;          ByteArrayOutputStream bout = new ByteArrayOutputStream();          PrintWriter wrt = new PrintWriter(bout);          e.printStackTrace(wrt);          wrt.close();          print = bout.toString();          return print;      }  }

使用

Log4j配置

log4j.rootLogger=INFO,C,F,E    log4j.appender.C=org.apache.log4j.ConsoleAppender   log4j.appender.C.Target=System.out  log4j.appender.C.Threshold=DEBUG  log4j.appender.C.layout=org.apache.log4j.PatternLayout  log4j.appender.C.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss,SSS} [%p] - %m%n      log4j.appender.F=org.apache.log4j.DailyRollingFileAppender  log4j.appender.F.Append=true   #log4j.appender.F.File=//scmgt//maintenance//checkdownload//gt//resinfo.log  log4j.appender.F.File=/scmgt/shell/gt/info.log  log4j.appender.F.DatePattern=yyyy-MM-dd'.txt'  log4j.appender.F.Threshold=INFO  log4j.appender.F.layout=org.apache.log4j.PatternLayout  log4j.appender.F.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss,SSS} [%p] - %m%n    log4j.appender.E=org.apache.log4j.DailyRollingFileAppender  log4j.appender.E.Append=true   #log4j.appender.E.File=//scmgt//maintenance//checkdownload//gt//reserror.log  log4j.appender.E.File=/scmgt/shell/gt/error.log  log4j.appender.E.DatePattern=yyyy-MM-dd'.txt'  log4j.appender.E.Threshold=ERROR  log4j.appender.E.layout=org.apache.log4j.PatternLayout  log4j.appender.E.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss,SSS} [%p] - %m%n    #countTimeLogger  log4j.logger.countTimeLogger=INFO,countTimeLogger  log4j.appender.countTimeLogger=org.apache.log4j.DailyRollingFileAppender  log4j.appender.countTimeLogger.File=/scmgt/shell/gt/countTimeLogger.log  log4j.appender.countTimeLogger.Append=true  log4j.appender.countTimeLogger.Threshold=INFO  #log4j.appender.debugout.Threshold=TRACE  log4j.appender.countTimeLogger.DatePattern='.'yyyy-MM-dd  log4j.appender.countTimeLogger.layout=org.apache.log4j.PatternLayout  log4j.appender.countTimeLogger.layout.ConversionPattern=%5p:%d - %m%n