??xml version="1.0" encoding="utf-8" standalone="yes"?>国产亚洲一区二区精品,另类图片亚洲校园小说区,337P日本欧洲亚洲大胆艺术图 http://www.tkk7.com/thisliy/category/37192.htmlzh-cnMon, 01 Jun 2009 06:22:48 GMTMon, 01 Jun 2009 06:22:48 GMT60Log4j配置(xml和property两种)http://www.tkk7.com/thisliy/archive/2009/06/01/279377.htmlliyangliyangMon, 01 Jun 2009 05:28:00 GMThttp://www.tkk7.com/thisliy/archive/2009/06/01/279377.htmlhttp://www.tkk7.com/thisliy/comments/279377.htmlhttp://www.tkk7.com/thisliy/archive/2009/06/01/279377.html#Feedback0http://www.tkk7.com/thisliy/comments/commentRss/279377.htmlhttp://www.tkk7.com/thisliy/services/trackbacks/279377.html

原创 Log4j配置 document.body.oncopy = function() { if (window.clipboardData) { setTimeout(function() { var text = clipboardData.getData("text"); if (text && text.length>300) { text = text + ""r"n"n本文来自CSDN博客Q{载请标明出处Q? + location.href; clipboardData.setData("text", text); } }, 100); } }  log4j核心,版本log4j-1.2.15.jar

1、Logger 完成日志信息的处?/strong>
定义输出的层ơ和军_信息是否输出
DEBUG<INFO<WARN<ERROR

2、Appender 讄日志信息的去?/strong>
常用?
org.apache.log4j.ConsoleAppender(控制?
org.apache.log4j.FileAppender(文g)
org.apache.log4j.DailyRollingFileAppener(每天产生一个日志文?
org.apache.log4j.RollingFileAppender(文g大小到达指定寸的时候生一个新的文?
org.apache.log4j.WriterAppender(日志讯息以串流格式发送到L指定的地?
org.apache.log4j.JdbcAppender(日志讯息保存到数据库中)

3、Layout 讄日志信息的输出样?/strong>
layout有以下几U?
org.apache.log4j.HTMLLayout(以HTML表格形式布局)
org.apache.log4j.SimpleLayout(包含日志讯息的别和讯息字符?
org.apache.log4j.TTCCLayout(包含日志产生的时间、执行A、类别等讯息)
org.apache.log4j.PatterLayout(可以灉|地指定布局格式)

4、配|文?log4j.properties或log4j.xml
  1. log4j.properties实例:
  2. log4j.logger.com.jjm.util=INFO, A1,A2
  3. log4j.logger.com.jjm.dao=DEBUG, A1                     Qcom.jjm.util和com.jjm.dao是class全名匚w字符Ԍ    

  4. log4j.appender.A1=org.apache.log4j.ConsoleAppender
  5. log4j.appender.A1.layout=org.apache.log4j.PatternLayout
  6. log4j.appender.A1.layout.ConversionPattern=[%d{yyyy-MM-dd HH:mm:ss}][%C-%M]%m%n

  7. log4j.appender.A2=org.apache.log4j.RollingFileAppender
  8. log4j.appender.A2.File=sshdemo.log
  9. log4j.appender.A2.MaxFileSize=500KB
  10. log4j.appender.A2.MaxBackupIndex=1
  11. log4j.appender.A2.layout=org.apache.log4j.PatternLayout
  12. log4j.appender.A2.layout.ConversionPattern=[%d{yyyy-MM-dd HH:mm:ss}][%C-%M]%m%n


log4j.xml实例:
  1. <?xml version="1.0" encoding="UTF-8" ?>
  2. <!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
  3. <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
  4. <appender name="A1" class="org.apache.log4j.RollingFileAppender">
  5.     <param name="File" value="sshdemo2.log" />
  6.     <param name="MaxFileSize" value="1MB" />
  7.     <param name="MaxBackupIndex" value="10" />
  8.     <layout class="org.apache.log4j.PatternLayout">
  9.         <param name="ConversionPattern" value="[%d{yyyy-MM-dd HH:mm:ss}][%C-%M]%m%n" />
  10.     </layout>
  11. </appender>

  12. <appender name="A2" class="org.apache.log4j.ConsoleAppender">
  13.     <layout class="org.apache.log4j.PatternLayout">
  14.         <param name="ConversionPattern" value="[%d{yyyy-MM-dd HH:mm:ss}][%C-%M]%m%n" />
  15.     </layout>
  16. </appender>

  17. <logger name="com.jjm.dao">
  18.     <level value="DEBUG" />
  19.     <appender-ref ref="A1" />
  20. </logger>

  21. <root>
  22.     <priority value="DEBUG" />
  23.     <appender-ref ref="A2" />
  24. </root>

  25. </log4j:configuration>



liyang 2009-06-01 13:28 发表评论
]]>Log4J配置http://www.tkk7.com/thisliy/archive/2009/05/31/279236.htmlliyangliyangSun, 31 May 2009 09:11:00 GMThttp://www.tkk7.com/thisliy/archive/2009/05/31/279236.htmllog4j配置大全
2009-05-17 14:12
1.1. 背景
在应用程序中d日志记录ȝ来说Z三个目的Q监视代码中变量的变化情况,周期性的记录到文件中供其他应用进行统计分析工作;跟踪代码q行时轨q,作ؓ日后审计的依据;担当集成开发环境中的调试器的作用,向文件或控制台打C码的调试信息?
最普通的做法是在代码中嵌入许多的打印语句,q些打印语句可以输出到控制台或文件中Q比较好的做法就是构造一个日志操作类来封装此cL作,而不是让一pd的打印语句充斥了代码的主体?
1.2. Log4j?
在强调可重用lg开发的今天Q除了自׃头到ּ发一个可重用的日志操作类外,Apache为我们提供了一个强有力的日志操作包-Log4j?
Log4j是Apache的一个开放源代码目Q通过使用Log4jQ我们可以控制日志信息输送的目的地是控制台、文件、GUIlg、甚x套接口服? 器、NT的事件记录器、UNIX Syslog守护q程{;我们也可以控制每一条日志的输出格式Q通过定义每一条日志信息的U别Q我们能够更加细致地控制日志的生成过E。最令h感兴的? 是,q些可以通过一个配|文件来灉|地进行配|,而不需要修改应用的代码?
此外Q通过Log4j其他语言接口Q?zhn)可以在C、C+ +?Net、PL/SQLE序中用Log4jQ其语法和用法与在JavaE序中一P使得多语a分布式系l得C个统一一致的日志lg模块。而且Q? q用各U第三方扩展Q?zhn)可以很方便地Log4j集成到J2EE、JINI甚至是SNMP应用中?
Log4j有三个主要的lgQ?/strong>
   Loggers(记录?QAppenders (输出?和Layouts(布局)Q这里可单理解ؓ日志cdQ日志要输出的地方和日志以何UŞ式输出。综合用这三个lg可以L的记录信息的cd? U别Qƈ可以在运行时控制日志输出的样式和位置。下面对三个lg分别q行说明Q?
1?Loggers
Loggerslg在此pȝ中被分ؓ五个U别QDEBUG、INFO、WARN、ERROR和FATAL。这五个U别是有序的,DEBUG < INFO < WARN < ERROR < FATALQ分别用来指定这条日志信息的重要E度,明白q一点很重要Q这里Log4j有一个规则:假设LoggersU别为PQ如果在Loggers中发 生了一个别Q比P高,则可以启动,否则屏蔽掉?
假设你定义的U别是infoQ那么error和warn的日志可以显C比他低的debug信息׃昄了?
JavaE序举例来说Q?
***建立Logger的一个实例,命名?#8220;com.foo”***
Logger logger = Logger.getLogger("com.foo");
    ***"com.foo"是实例进行命名,也可以Q?**
***讄logger的别。通常不在E序中设|logger的别。一般在配置文g中设|?**
logger.setLevel(Level.INFO);
Logger barlogger = Logger.getLogger("com.foo.Bar");
***下面q个h可用Q因为WARN >= INFO***
logger.warn("Low fuel level.");
***下面q个h不可用,因ؓDEBUG < INFO***
logger.debug("Starting search for nearest gas station.");
***命名?#8220;com.foo.bar”的实例barlogger会承实?#8220;com.foo”的别。因此,下面q个h可用Q因为INFO >= INFO***
barlogger.info("Located nearest gas station.");
***下面q个h不可用,因ؓDEBUG < INFO***
barlogger.debug("Exiting gas station search");
q里“是否可用”的意思是能否输出Logger信息?
在对Logger实例q行命名Ӟ没有限制Q可以取L自己感兴的名字。一般情况下以类的所在位|来命名Logger实例Q这是目前来讲比较有效的Logger命名方式。这样可以得每个类建立自己的日志信息,便于理。比如:
static Logger logger = Logger.getLogger(ClientWithLog4j.class.getName());
2、Appenders
用与用日志请求只是Log4j其中的一个小的地方QLog4j日志pȝ允许把日志输出到不同的地方,如控制台QConsoleQ、文ӞFilesQ、根据天数或者文件大生新的文件、以的形式发送到其它地方{等?

其语法表CZؓQ?

org.apache.log4j.ConsoleAppenderQ控制台Q?
org.apache.log4j.FileAppenderQ文Ӟ
org.apache.log4j.DailyRollingFileAppenderQ每天生一个日志文Ӟ
org.apache.log4j.RollingFileAppenderQ文件大到达指定尺寸的时候生一个新的文Ӟ
org.apache.log4j.WriterAppenderQ将日志信息以流格式发送到L指定的地方)

配置时用方式ؓQ?
log4j.appender.appenderName = fully.qualified.name.of.appender.class
log4j.appender.appenderName.option1 = value1

log4j.appender.appenderName.option = valueN
q样׃ؓ日志的输出提供了相当大的便利?
3、Layouts
有时用户希望Ҏ(gu)自己的喜好格式化自己的日志输出。Log4j可以在Appenders的后面附加Layouts来完成这个功能。Layouts提供? 四种日志输出样式Q如Ҏ(gu)HTML样式、自由指定样式、包含日志别与信息的样式和包含日志旉、线E、类别等信息的样式等{?

其语法表CZؓQ?

org.apache.log4j.HTMLLayoutQ以HTML表格形式布局Q,
org.apache.log4j.PatternLayoutQ可以灵zd指定布局模式Q,
org.apache.log4j.SimpleLayoutQ包含日志信息的U别和信息字W串Q,
org.apache.log4j.TTCCLayoutQ包含日志生的旉、线E、类别等{信息)

配置时用方式ؓQ?

log4j.appender.appenderName.layout =fully.qualified.name.of.layout.class
log4j.appender.appenderName.layout.option1 = value1

log4j.appender.appenderName.layout.option = valueN
4 . Log4j的配|? 
以上是从原理斚w说明Log4j的用方法,在具体Java~程使用Log4j可以参照以下CZQ?
1?建立Logger实例Q?
语法表示Qpublic static Logger getLogger( String name)
实际使用Qstatic Logger logger = Logger.getLogger(ServerWithLog4j.class.getName ()) ;
2?d配置文gQ?
获得了Logger的实例之后,接下来将配置Log4j使用环境Q?
语法表示Q?
BasicConfigurator.configure()Q自动快速地使用~省Log4j环境?
PropertyConfigurator.configure(String configFilename)Q读取用Java的特性文件编写的配置文g?
DOMConfigurator.configure(String filename)Q读取XML形式的配|文件?
实际使用Q?
PropertyConfigurator.configure("ServerWithLog4j.properties");
3?插入日志信息
完成了以上连个步骤以后,下面可以按日志的不同别插入到你要记录日志的Q何地方了?
语法表示Q?
Logger.debug(Object message);//调试信息
Logger.info(Object message);//一般信?
Logger.warn(Object message);//警告信息
Logger.error(Object message);//错误信息
Logger.fatal(Object message);//致命错误信息
实际使用Qlogger.info("ServerSocket before accept: " + server);

5. 配置q程

在实际编E时Q要使Log4j真正在系l中q行事先q要寚w|文件进行定义。定义步骤就是对Logger、Appender及Layout的分别用?
Log4j支持两种配置文g格式Q一U是XML格式的文Ӟ一U是java propertiesQkey=valueQ【JavaҎ(gu)文Ӟ?|】。下面我们介l用JavaҎ(gu)文件做为配|文件的Ҏ(gu)
具体如下Q?

1、配|根LoggerQ其语法为:
log4j.rootLogger = [ level ] , appenderName1, appenderName2, …
level : 是日志记录的优先U,分ؓOFF、FATAL、ERROR、WARN、INFO、DEBUG、ALL或者?zhn)定义的别。Log4j只用四个别,? 先从高C分别是ERROR、WARN、INFO、DEBUG。通过在这里定义的U别Q?zhn)可以控制到应用程序中相应U别的日志信息的开兟뀂比如在q里? 义了INFOU别Q则应用E序中所有DEBUGU别的日志信息将不被打印出来?
appenderName:是指定日志信息输出到哪个地斏V?zhn)可以同时指定多个输出目的地?
例如Qlog4j.rootLoggerQinfo,A1,B2,C3

2、配|日志信息输出目的地Q其语法为:
log4j.appender.appenderName = fully.qualified.name.of.appender.class //
"fully.qualified.name.of.appender.class" 可以指定下面五个目的C的一个:
1.org.apache.log4j.ConsoleAppenderQ控制台Q?
2.org.apache.log4j.FileAppenderQ文Ӟ
3.org.apache.log4j.DailyRollingFileAppenderQ每天生一个日志文Ӟ
4.org.apache.log4j.RollingFileAppenderQ文件大到达指定尺寸的时候生一个新的文Ӟ
5.org.apache.log4j.WriterAppenderQ将日志信息以流格式发送到L指定的地方)
1.ConsoleAppender选项
Threshold=WARN:指定日志消息的输出最低层ơ?
ImmediateFlush=true:默认值是true,意谓着所有的消息都会被立卌出?
Target=System.errQ默认情况下是:System.out,指定输出控制?
2.FileAppender 选项
Threshold=WARN:指定日志消息的输出最低层ơ?
ImmediateFlush=true:默认值是true,意谓着所有的消息都会被立卌出?
File=mylog.txt:指定消息输出到mylog.txt文g?
Append=false:默认值是true,卛_消息增加到指定文件中Qfalse指将消息覆盖指定的文件内宏V?
3.DailyRollingFileAppender 选项
Threshold=WARN:指定日志消息的输出最低层ơ?
ImmediateFlush=true:默认值是true,意谓着所有的消息都会被立卌出?
File=mylog.txt:指定消息输出到mylog.txt文g?
Append=false:默认值是true,卛_消息增加到指定文件中Qfalse指将消息覆盖指定的文件内宏V?
DatePattern='.'yyyy-ww:每周滚动一ơ文Ӟx周生一个新的文件。当然也可以指定按月、周、天、时和分。即对应的格式如下:
1)'.'yyyy-MM: 每月
2)'.'yyyy-ww: 每周
3)'.'yyyy-MM-dd: 每天
4)'.'yyyy-MM-dd-a: 每天两次
5)'.'yyyy-MM-dd-HH: 每小?
6)'.'yyyy-MM-dd-HH-mm: 每分?
4.RollingFileAppender 选项
Threshold=WARN:指定日志消息的输出最低层ơ?
ImmediateFlush=true:默认值是true,意谓着所有的消息都会被立卌出?
File=mylog.txt:指定消息输出到mylog.txt文g?
Append=false:默认值是true,卛_消息增加到指定文件中Qfalse指将消息覆盖指定的文件内宏V?
MaxFileSize=100KB: 后缀可以是KB, MB 或者是 GB. 在日志文件到达该大小Ӟ会自动滚动Q即原来的内容Udmylog.log.1文g?
MaxBackupIndex=2:指定可以产生的滚动文件的最大数?
实际应用Q?
log4j.appender.A1=org.apache.log4j.ConsoleAppender //q里指定了日志输出的W一个位|A1是控制台ConsoleAppender

3、配|日志信息的格式Q其语法为:
A. log4j.appender.appenderName.layout = fully.qualified.name.of.layout.class
"fully.qualified.name.of.layout.class" 可以指定下面4个格式中的一个:
1.org.apache.log4j.HTMLLayoutQ以HTML表格形式布局Q,
2.org.apache.log4j.PatternLayoutQ可以灵zd指定布局模式Q,
3.org.apache.log4j.SimpleLayoutQ包含日志信息的U别和信息字W串Q,
4.org.apache.log4j.TTCCLayoutQ包含日志生的旉、线E、类别等{信息)
1.HTMLLayout 选项
LocationInfo=true:默认值是false,输出java文g名称和行?
Title=my app file: 默认值是 Log4J Log Messages.
2.PatternLayout 选项
ConversionPattern=%m%n :指定怎样格式化指定的消息?
3.XMLLayout 选项
LocationInfo=true:默认值是false,输出java文g和行?
实际应用Q?
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
B. log4j.appender.A1.layout.ConversionPattern=%-4r %-5p %d{yyyy-MM-dd HH:mm:ssS} %c %m%n
q里需要说明的是日志信息格式中几个符h代表的含义:
QX? X信息输出时左寚wQ?
%p: 输出日志信息优先U,即DEBUGQINFOQW(xu)ARNQERRORQFATAL,
%d: 输出日志旉点的日期或时_默认格式为ISO8601Q也可以在其后指定格式,比如Q?d{yyy MMM dd HH:mm:ss,SSS}Q输出类|2002q?0?8?22Q?0Q?8Q?21
%r: 输出自应用启动到输出该log信息耗费的毫U数
%c: 输出日志信息所属的cȝQ通常是所在类的全?
%t: 输出产生该日志事件的U程?
%l: 输出日志事g的发生位|,相当?C.%M(%F:%L)的组?包括cȝ名、发生的U程Q以及在代码中的行数。D例:Testlog4.main(TestLog4.java:10)
%x: 输出和当前线E相兌的NDC(嵌套诊断环境),其用到像java servletsq样的多客户多线E的应用中?
%%: 输出一?%"字符
%F: 输出日志消息产生时所在的文g名称
%L: 输出代码中的行号
%m: 输出代码中指定的消息,产生的日志具体信?
%n: 输出一个回车换行符QW(xu)indowsq_?\r\n"QUnixq_?\n"输出日志信息换行
可以?与模式字W之间加上修饰符来控制其最宽度、最大宽度、和文本的对齐方式。如Q?
1)%20cQ指定输出category的名Uͼ最的宽度?0Q如果category的名U小?0的话Q默认的情况下右寚w?
2)%-20c:指定输出category的名Uͼ最的宽度?0Q如果category的名U小?0的话Q?-"h定左寚w?
3)%.30c:指定输出category的名Uͼ最大的宽度?0Q如果category的名U大?0的话Q就会将左边多出的字W截掉,但小?0的话也不会有I格?
4)%20.30c:如果category的名U小?0pI格Qƈ且右寚wQ如果其名称长于30字符Q就从左边交q销出的字符截掉?
q里上面三个步骤是对前面Log4jlg说明的一个简化;下面l出一个具体配|例子,在程序中可以参照执行Q?
log4j.rootLogger=INFO,A1QB2
log4j.appender.A1=org.apache.log4j.ConsoleAppender
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%-4r %-5p %d{yyyy-MM-dd HH:mm:ssS} %c %m%n
Ҏ(gu)上面的日志格式,某一个程序的输出l果如下Q?
0  INFO 2003-06-13 13:23:46968 ClientWithLog4j Client socket: Socket[addr=localhost/127.0.0.1,port=8002,localport=2014]
16  DEBUG 2003-06-13 13:23:46984 ClientWithLog4j Server says: 'Java server with log4j, Fri Jun 13 13:23:46 CST 2003'
16  DEBUG 2003-06-13 13:23:46984 ClientWithLog4j GOOD
16  DEBUG 2003-06-13 13:23:46984 ClientWithLog4j Server responds: 'Command 'HELLO' not understood.'
16  DEBUG 2003-06-13 13:23:46984 ClientWithLog4j HELP
16  DEBUG 2003-06-13 13:23:46984 ClientWithLog4j Server responds: 'Vocabulary: HELP QUIT'
16  DEBUG 2003-06-13 13:23:46984 ClientWithLog4j QUIT

4. # 当输Z息于回滚文g?
log4j.appender.ROLLING_FILE=org.apache.log4j.RollingFileAppender //指定以文件的方式输出日志
log4j.appender.ROLLING_FILE.Threshold=ERROR
log4j.appender.ROLLING_FILE.File=rolling.log //文g位置,也可以用变量${java.home}、rolling.log
log4j.appender.ROLLING_FILE.Append=true
log4j.appender.ROLLING_FILE.MaxFileSize=10KB //文g最大尺?
log4j.appender.ROLLING_FILE.MaxBackupIndex=1 //备䆾?
log4j.appender.ROLLING_FILE.layout=org.apache.log4j.PatternLayout
log4j.appender.ROLLING_FILE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n

6. Log4j比较全面的配|?
LOG4J的配|之单它遍及于来多的应用中了:Log4J配置文g实现了输出到控制台、文件、回滚文件、发送日志邮件、输出到数据库日志表、自定义标签{全套功能。择其一二用就够用了,
log4j.rootLogger=DEBUG,CONSOLE,A1,im
log4j.addivity.org.apache=true
# 应用于控制台
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.Threshold=DEBUG
log4j.appender.CONSOLE.Target=System.out
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n
#log4j.appender.CONSOLE.layout.ConversionPattern=[start]%d{DATE}[DATE]%n%p[PRIORITY]%n%x[NDC]%n%t[thread] n%c[CATEGORY]%n%m[MESSAGE]%n%n
#应用于文?
log4j.appender.FILE=org.apache.log4j.FileAppender
log4j.appender.FILE.File=file.log
log4j.appender.FILE.Append=false
log4j.appender.FILE.layout=org.apache.log4j.PatternLayout
log4j.appender.FILE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n
# Use this layout for LogFactor 5 analysis
# 应用于文件回?
log4j.appender.ROLLING_FILE=org.apache.log4j.RollingFileAppender
log4j.appender.ROLLING_FILE.Threshold=ERROR
log4j.appender.ROLLING_FILE.File=rolling.log //文g位置,也可以用变量${java.home}、rolling.log
log4j.appender.ROLLING_FILE.Append=true //true:d false:覆盖
log4j.appender.ROLLING_FILE.MaxFileSize=10KB //文g最大尺?
log4j.appender.ROLLING_FILE.MaxBackupIndex=1 //备䆾?
log4j.appender.ROLLING_FILE.layout=org.apache.log4j.PatternLayout
log4j.appender.ROLLING_FILE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n

#应用于socket
log4j.appender.SOCKET=org.apache.log4j.RollingFileAppender
log4j.appender.SOCKET.RemoteHost=localhost
log4j.appender.SOCKET.Port=5001
log4j.appender.SOCKET.LocationInfo=true
# Set up for Log Facter 5
log4j.appender.SOCKET.layout=org.apache.log4j.PatternLayout
log4j.appender.SOCET.layout.ConversionPattern=[start]%d{DATE}[DATE]%n%p[PRIORITY]%n%x[NDC]%n%t[thread]%n%c[CATEGORY]%n%m[MESSAGE]%n%n

# Log Factor 5 Appender
log4j.appender.LF5_APPENDER=org.apache.log4j.lf5.LF5Appender
log4j.appender.LF5_APPENDER.MaxNumberOfRecords=2000
# 发送日志给邮g
log4j.appender.MAIL=org.apache.log4j.net.SMTPAppender
log4j.appender.MAIL.Threshold=FATAL
log4j.appender.MAIL.BufferSize=10
log4j.appender.MAIL.From=web@www.wuset.com
log4j.appender.MAIL.SMTPHost=www.wusetu.com
log4j.appender.MAIL.Subject=Log4J Message
log4j.appender.MAIL.To=web@www.wusetu.com
log4j.appender.MAIL.layout=org.apache.log4j.PatternLayout
log4j.appender.MAIL.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n
# 用于数据?
log4j.appender.DATABASE=org.apache.log4j.jdbc.JDBCAppender
log4j.appender.DATABASE.URL=jdbc:mysql://localhost:3306/test
log4j.appender.DATABASE.driver=com.mysql.jdbc.Driver
log4j.appender.DATABASE.user=root
log4j.appender.DATABASE.password=
log4j.appender.DATABASE.sql=INSERT INTO LOG4J (Message) VALUES ('[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n')
log4j.appender.DATABASE.layout=org.apache.log4j.PatternLayout
log4j.appender.DATABASE.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n

log4j.appender.A1=org.apache.log4j.DailyRollingFileAppender
log4j.appender.A1.File=SampleMessages.log4j
log4j.appender.A1.DatePattern=yyyyMMdd-HH'.log4j'
log4j.appender.A1.layout=org.apache.log4j.xml.XMLLayout
#自定义Appender
log4j.appender.im = net.cybercorlin.util.logger.appender.IMAppender
log4j.appender.im.host = mail.cybercorlin.net
log4j.appender.im.username = username
log4j.appender.im.password = password
log4j.appender.im.recipient = corlin@cybercorlin.net
log4j.appender.im.layout=org.apache.log4j.PatternLayout
log4j.appender.im.layout.ConversionPattern =[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n


liyang 2009-05-31 17:11 发表评论
]]>
log4j配置webapp日志pȝhttp://www.tkk7.com/thisliy/archive/2009/05/31/279235.htmlliyangliyangSun, 31 May 2009 09:07:00 GMThttp://www.tkk7.com/thisliy/archive/2009/05/31/279235.html Log4j的中文文?Q这是根据最新的log4j(jakarta-log4j-1.2.8)的开发包自带文档的manual译的)
http://dev.csdn.net/develop/article/29/29441.shtm
对应的英文原文:
Short introduction to log4j
http://logging.apache.org/log4j/docs/manual.html

2.步骤
1Qlog4j.jar攑ֈjsp-examples\WEB-INF\lib下;
2Q在jsp-examples下新建properties\log4j.properties;
3)log4j.properties内容Q?
#log4j.properties

log4j.rootLogger=info, A1

log4j.appender.A1=org.apache.log4j.DailyRollingFileAppender
log4j.appender.A1.file=${webappHome}/logs/tomcat_log_
log4j.appender.A1.DatePattern=yyyy-MM-dd'.html'
log4j.appender.A1.layout=org.apache.log4j.HTMLLayout

4Q?#8220;F:\UserWorkSpace\jiangcm\Tomcat 5.0\webapps\jsp-examples\”新徏上述属性文件所讄的存?br />
日志文g的logs文g夹;
注释Q?
tomcat_log_是文件名Q可以不用预先新文gQ如果预先徏了,则日志文件直接ؓtomcat_log_2007-

03-05.html格式Q如果之前无该文Ӟ在第一ơ生成的日志文g名称为tomcat_log_Q?br />
5Q进入目?#8220;F:\UserWorkSpace\jiangcm\Tomcat 5.0\webapps\jsp-examples\WEB-INF\classes”Q新

?#8220;log4j\Log4JInit.java”;

6)Log4JInit.java内容Q?
package log4j;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.log4j.*;

public class Log4JInit extends HttpServlet {

public void init() throws ServletException {
String prefix = getServletContext().getRealPath("/");
String test = getServletContext().getRealPath("");
System.out.println(prefix);
System.out.println(test);
System.setProperty("webappHome", test);
String file = getServletConfig().getInitParameter("log4j-config-file");
System.out.println(prefix+file);
// 从Servlet参数dlog4j的配|文?
if (file != null) {
PropertyConfigurator.configure(prefix + file);
}

}
public void doGet(HttpServletRequest request,HttpServletResponse response)throws
IOException, ServletException {}

public void doPost(HttpServletRequest request,HttpServletResponse response)throws
IOException, ServletException {}

}

注意Q?
“System.setProperty("webappHome", test);”q行代码要出现在“PropertyConfigurator.configure

(prefix + file);”q行代码之前Q因hl?webappHome"讄gQlog4j.properties文g中的“

log4j.appender.A1.file=${webappHome}/logs/tomcat_log_”中的“${webappHome}”q个环境变量才被

赋gQ否则无法输出日志文Ӟ

7Q设|?#8220;jsp-examples\WEB-INF\web.xml”Q上述Log4JInit.javaq个servlet自动启动Q在web.xml

中添加:
<servlet>
<servlet-name>log4jinit</servlet-name>
<servlet-class>log4j.Log4JInit</servlet-class>
<init-param>
<param-name> log4j-config-file </param-name>
<param-value>/properties/log4j.properties</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>

注意Q上面的load-on-startup应设?Q以便在Web容器启动时即装入该Servlet。log4j.properties文g

攑֜根的properties子目录中Q也可以把它攑֜其它目录中。应该把.properties文g集中存放Q这h

便管理?br />
8Q在webapp中用log4jQ进入目?#8220;F:\UserWorkSpace\jiangcm\Tomcat 5.0\webapps\jsp-

examples\WEB-INF\classes\dates”Q修改JspCalendar.javaQ加上日志信息:
//JspCalendar.java
package dates;

import java.text.DateFormat;
import java.util.*;
import org.apache.log4j.Logger;
import org.apache.log4j.Level;
import org.apache.log4j.*;

public class JspCalendar {
Calendar calendar = null;
static Logger logger = Logger.getLogger(JspCalendar.class);

public JspCalendar() {
logger.debug("This is debug.");
logger.info("This is an info.");
logger.warn("This is a warning.");
logger.error("This is an error.");
logger.fatal("This is a fatal error.");

calendar = Calendar.getInstance();
Date trialTime = new Date();
calendar.setTime(trialTime);
}

public int getYear() {

return calendar.get(Calendar.YEAR);

}

……
//其他内容不变Q?br />
}

9Q修改系l日期,q样才能手工触发按日生成的日志;

10Q重启tomcatQ?br />
11Q在IE中输?#8220;http://localhost:8086/jsp-examples/dates/date.jsp”Q?br />
12Q查看日志目?#8220;F:\UserWorkSpace\jiangcm\Tomcat 5.0\webapps\jsp-examples\logs”QӞ生成

以日期命名的html日志文gtomcat_log_2007-03-05.html了!哈哈Q太开心了Q?br />
注释Q?
1.tomcat本n也会自动按日生成日志文gQ在目录“F:\UserWorkSpace\jiangcm\Tomcat 5.0\logs”下;
2.jdk如果无法~译servletQ需要在tomcat\common\lib下把servlet-api.jar拯到jdk\jre\lib下;
问题Q?
1.把tomcat_log_2007-03-05.html文g名改为:jsp-examples_log_2007-03-05.htmlQ?
2.xml配置方式有待实践和学习;
参考资料:
1.http://www.3doing.net/forums/printpage.asp?BoardID=11&ID=184

2.http://wangluwww.spaces.live.com/blog/

3.Log4j的中文文?Q这是根据最新的log4j(jakarta-log4j-1.2.8)的开发包自带文的manual译的)
http://dev.csdn.net/develop/article/29/29441.shtm

4.http://www.javaeye.com/post/126014
怕麻烦的话可以考虑攑ֺ用下的某一个目录下Q整个ServletQ专门用来设|环境变量和dlog4j的配|?br />
文g Q初始化Servlet的时候,应用E序的目录是固定?
可以通过System.setProperty("webappHome",this.getServletContext().getRealPath(""));来设|当?br />
应用的目录的l对路径为java内部的环境变量,在log4j的配|文仉面用${webappHome}/WEB-

INF/conf/log/Application.log 来配|该文g的绝对\径就可以?


liyang 2009-05-31 17:07 发表评论
]]>
struts2应用E序l构http://www.tkk7.com/thisliy/archive/2009/05/01/268461.htmlliyangliyangFri, 01 May 2009 01:29:00 GMThttp://www.tkk7.com/thisliy/archive/2009/05/01/268461.html E序目录l构

project

-JSP

-WEB-INF

  - src

  - classes

    - struts.xml

    - struts.properties

  - lib

  - build.xml

  - applicationContext.xml

  - web.xml

 

-lib目录下放|struts2的开发包,包含struts2所依懒的包,也可以是E序开发后打包的结?/span>

-src自开发程?原码目录)

 

 

---------------------web.xml-----------------------

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4" xmlns="
http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">

    <display-name>Struts Blank</display-name>

    <filter>
        <filter-name>struts2</filter-name>
        <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
    </filter>

    <filter-mapping>
        <filter-name>struts2</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>
   

    <context-param>
       <param-name>contextConfigLocation</param-name>
       <param-value>/WEB-INF/applicationContext.xml</param-value>
     </context-param>


    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>  

</web-app>

1配置了struts2拦截?/span>

2加入spring载入侦听

 

------------------struts.xml------------------------

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE struts PUBLIC
    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "
http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>

    <package name="default" extends="struts-default">

        <action name="Login" class="LoginAction">
            <result name="success">/welcome.jsp</result>
            <result name="error">/error.jsp</result>
        </action>

    </package>

 

配置了一个包,定义了一个action和两个结?/span>

 

 

---------------------------struts.properties-------------

struts.i18n.encoding=GBK

 

定义了默认的~码规则



liyang 2009-05-01 09:29 发表评论
]]>
tomcat中三U部|项目的Ҏ(gu)http://www.tkk7.com/thisliy/archive/2009/04/28/267901.htmlliyangliyangTue, 28 Apr 2009 05:55:00 GMThttp://www.tkk7.com/thisliy/archive/2009/04/28/267901.html

W一U方法:在tomcat中的conf目录中,在server.xml中的Q?lt;host/>节点中添加:
<Context path="/hello" docBase="D:eclipse3.2.2forwebtoolsworkspacehelloWebRoot" debug="0" privileged="true">
</Context>
至于Context 节点属性,可详l见相关文档?/p>

W二U方法:web目文g件拷贝到webapps 目录中?/p>

W三U方法:很灵z,在conf目录中,新徏 CatalinaQ注意大写Q\localhost目录Q在该目录中新徏一个xml文gQ名字可以随意取Q只要和当前文g中的文g名不重复p了,该xml文g的内容ؓQ?br /> <Context path="/hello" docBase="D:eclipse3.2.2forwebtoolsworkspacehelloWebRoot" debug="0" privileged="true">
</Context>

W?个方法有个优点,可以定义别名。服务器端运行的目名称为pathQ外部访问的URL则用XML的文件名。这个方法很方便的隐藏了目的名Uͼ对一些项目名U被固定不能更换Q但外部讉K时又x个\径,非常有效?/p>

W??q有优点Q可以定义一些个性配|,如数据源的配|等?/p>

q有一?详细?/p>

此处主要讲述Tomcat部v发布JSP应用E序的三U方?br />     1、直接放到Webapps目录?/strong>
     Tomcat的Webapps目录是Tomcat默认的应用目录,当服务器启动Ӟ会加载所有这个目录下的应用。也可以JSPE序打包成一? war包放在目录下Q服务器会自动解开q个war包,q在q个目录下生成一个同名的文g夏V一个war包就是有Ҏ(gu)格式的jar包,它是一?a target="_self">WebE序的所有内容进行压~得到。具体如何打包,可以使用许多开发工?/font>的IDE环境Q如Eclipse、NetBeans、ant、JBuilder{。也可以?cmd 命oQjar -cvf applicationname.war package.*Q?br /> 甚至可以在程序执行中打包Q?br /> try{
string strjavahome = system.getproperty("java.home");
strjavahome = strjavahome.substring(0,strjavahome.lastindexof(\\))+"\\bin\\";
runtime.getruntime().exec("cmd /c start "+strjavahome+"jar cvf hello.war c:\\tomcat5.0\\webapps\\root\\*");
}  
catch(exception e){system.out.println(e);}

     webappsq个默认的应用目录也是可以改变。打开Tomcat的conf目录下的server.xml文gQ找C面内容:
<Host name="localhost" debug="0" appBase="webapps" unpackWARs="true" autoDeloy="true" xmlValidation="falase" xmlNamespaceAware="false">

   2、在server.xml中指?/strong>
     在Tomcat的配|文件中Q一个Web应用是一个特定的ContextQ可以通过在server.xml中新建Context里部|一个JSP应用E序。打开server.xml文gQ在Host标签内徏一个ContextQ内容如下?br /> <Context path="/myapp" reloadable="true" docBase="D:\myapp" workDir="D:\myapp\work"/>
     其中path是虚拟\径,docBase是JSP应用E序的物理\径,workDir是这个应用的工作目录Q存放运行是生成的于q个应用相关的文件?br />
   3、创Z个Context文g
     以上两种Ҏ(gu)QW(xu)eb应用被服务器加蝲后都会在Tomcat的conf\catalina\localhost目录下生成一?a target="_self">XML文gQ其内容如下Q?br /> <Context path="/admin" docBase="${catalina.home}/server/webapps/admin" debug="0" privileged="true"></Context>
可以看出Q文件中描述一个应用程序的Context信息Q其内容和server.xml中的Context信息格式是一致的Q文件名便是虚拟目录名。?zhn)? 以直接徏立这L一个xml文gQ放在Tomcat的conf\catalina\localhost目录下。例子如下:
注意Q删除一个Web应用同时也要删除webapps下相应的文g夹祸server.xml中相应的ContextQ还要将Tomcat的conf
\catalina\localhost目录下相应的xml文g删除。否则Tomcat仍会岔R|去加蝲。。?/p>



liyang 2009-04-28 13:55 发表评论
]]>
Apache -- dbcp配置中文版本http://www.tkk7.com/thisliy/archive/2009/03/17/260191.htmlliyangliyangTue, 17 Mar 2009 02:41:00 GMThttp://www.tkk7.com/thisliy/archive/2009/03/17/260191.html

dbcp配置中文版本Q翻译自apache 官方文Q原文请?a >http://commons.apache.org/dbcp/configuration.html?/p>

参数 描述
username 传递给JDBC驱动的用于徏立连接的用户?
password 传递给JDBC驱动的用于徏立连接的密码
url 传递给JDBC驱动的用于徏立连接的URL
driverClassName 使用的JDBC驱动的完整有效的java cd
connectionProperties 当徏立新q接时被发送给JDBC驱动的连接参敎ͼ格式必须?[propertyName=property;]*
注意Q参数user/password被明确传递,所以不需要包括在q里?/p>

 

参数 默认?描述
defaultAutoCommit true q接池创建的q接的默认的auto-commit状?
defaultReadOnly driver default q接池创建的q接的默认的read-only状? 如果没有讄则setReadOnlyҎ(gu)不会被调用. (某些驱动不支持只L?比如:Informix)
defaultTransactionIsolation driver default q接池创建的q接的默认的TransactionIsolation状? 下面列表当中的某一? (参考javadoc)
NONE
READ_COMMITTED
READ_UNCOMMITTED
REPEATABLE_READ
SERIALIZABLE

defaultCatalog
q接池创建的q接的默认的catalog

 

参数 默认?描述
initialSize 0 初始化连?q接池启动时创徏的初始化q接数量,1.2版本后支?
maxActive 8 最大活动连?q接池在同一旉能够分配的最大活动连接的数量, 如果讄为非正数则表CZ限制
maxIdle 8 最大空闲连?q接池中容许保持I闲状态的最大连接数?过的空闲连接将被释?如果讄数表CZ限制
minIdle 0 最空闲连?q接池中容许保持I闲状态的最连接数?低于q个数量创建新的连?如果讄?则不创徏
maxWait 无限 最大等待时?当没有可用连接时,q接池等待连接被归还的最大时?以毫U计?,过旉则抛出异?如果讄?1表示无限{待

 

参数 默认?描述
validationQuery
SQL查询,用来验证从连接池取出的连?在将q接q回l调用者之?如果指定,则查询必L一个SQL SELECTq且必须q回臛_一行记?
testOnBorrow true 指明是否在从池中取出q接前进行检?如果验失?则从池中去除q接q尝试取出另一?
注意: 讄为true后如果要生效,validationQuery参数必须讄为非I字W串
testOnReturn false 指明是否在归q到池中前进行检?
注意: 讄为true后如果要生效,validationQuery参数必须讄为非I字W串
testWhileIdle false 指明q接是否被空闲连接回收器(如果?q行?如果失?则连接将被从池中去除.
注意: 讄为true后如果要生效,validationQuery参数必须讄为非I字W串
timeBetweenEvictionRunsMillis -1 在空闲连接回收器U程q行期间休眠的时间?以毫Uؓ单位. 如果讄为非正数,则不q行I闲q接回收器线E?
numTestsPerEvictionRun 3 在每ơ空闲连接回收器U程(如果?q行时检查的q接数量
minEvictableIdleTimeMillis 1000 * 60 * 30 q接在池中保持空闲而不被空闲连接回收器U程(如果?回收的最时间|单位毫秒

 

参数 默认?描述
poolPreparedStatements false 开启池的prepared statement 池功?
maxOpenPreparedStatements 不限?statement池能够同时分配的打开的statements的最大数? 如果讄?表示不限?/p>

q里可以开启PreparedStatements? 当开启时, ؓ每个q接创徏一个statement?q且被下面方法创建的PreparedStatements被~存h:
    * public PreparedStatement prepareStatement(String sql)
    * public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
注意: 认q接q有剩余资源可以留给其他statement


参数 默认?描述
accessToUnderlyingConnectionAllowed false 控制PoolGuard是否容许获取底层q接

如果容许则可以用下面的方式来获取底层连?
    Connection conn = ds.getConnection();
    Connection dconn = ((DelegatingConnection) conn).getInnermostDelegate();
    ...
    conn.close();

默认false不开? q是一个有潜在危险的功? 不适当的编码会造成伤害.(关闭底层q接或者在守护q接已经关闭的情况下l箋使用?.误}慎?q且仅当需要直接访问驱动的特定功能时?
注意: 不要关闭底层q接, 只能关闭前面的那?


参数 默认?描述
removeAbandoned false 标记是否删除泄露的连?如果他们过了removeAbandonedTimout的限?如果讄为true, q接被认为是被泄露ƈ且可以被删除,如果I闲旉过removeAbandonedTimeout. 讄为true可以为写法糟p的没有关闭q接的程序修复数据库q接.
removeAbandonedTimeout 300 泄露的连接可以被删除的超时? 单位U?
logAbandoned false 标记当Statement或连接被泄露时是否打印程序的stack traces日志。被泄露的Statements和连接的日志d在每个连接打开或者生成新的Statement,因ؓ需要生成stack trace?/p>

如果开?removeAbandoned",那么q接在被认ؓ泄露时可能被池回? q个机制?getNumIdle() < 2) and (getNumActive() > getMaxActive() - 3)时被触发.
举例当maxActive=20, zdq接?8,I闲q接?时可以触?removeAbandoned".但是zdq接只有在没有被使用的时间超q?removeAbandonedTimeout"时才被删?默认300U?在resultset中游历不被计ؓ被?



liyang 2009-03-17 10:41 发表评论
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Log4j 单配|?/title><link>http://www.tkk7.com/thisliy/archive/2008/11/26/242796.html</link><dc:creator>liyang</dc:creator><author>liyang</author><pubDate>Wed, 26 Nov 2008 07:47:00 GMT</pubDate><guid>http://www.tkk7.com/thisliy/archive/2008/11/26/242796.html</guid><description><![CDATA[log4j.xml Q?br /> <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><span style="color: #0000ff"><?</span><span style="color: #ff00ff">xml version="1.0" encoding="EUC-JP" </span><span style="color: #0000ff">?></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff"><!</span><span style="color: #ff00ff">DOCTYPE log4j:configuration SYSTEM "log4j.dtd"</span><span style="color: #0000ff">></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff"><</span><span style="color: #800000">log4j:configuration </span><span style="color: #ff0000">xmlns:log4j</span><span style="color: #0000ff">="http://jakarta.apache.org/log4j/"</span><span style="color: #0000ff">></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"><</span><span style="color: #800000">appender </span><span style="color: #ff0000">name</span><span style="color: #0000ff">="p1"</span><span style="color: #ff0000"> class</span><span style="color: #0000ff">="org.apache.log4j.RollingFileAppender"</span><span style="color: #0000ff">></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"><</span><span style="color: #800000">param </span><span style="color: #ff0000">name</span><span style="color: #0000ff">="Threshold"</span><span style="color: #ff0000"> value</span><span style="color: #0000ff">="debug"</span><span style="color: #ff0000"> </span><span style="color: #0000ff">/></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"><</span><span style="color: #800000">param </span><span style="color: #ff0000">name</span><span style="color: #0000ff">="MaxFileSize"</span><span style="color: #ff0000">   value</span><span style="color: #0000ff">="1MB"</span><span style="color: #ff0000"> </span><span style="color: #0000ff">/></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"><</span><span style="color: #800000">param </span><span style="color: #ff0000">name</span><span style="color: #0000ff">="MaxBackupIndex"</span><span style="color: #ff0000">   value</span><span style="color: #0000ff">="5"</span><span style="color: #ff0000"> </span><span style="color: #0000ff">/></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"><</span><span style="color: #800000">param </span><span style="color: #ff0000">name</span><span style="color: #0000ff">="File"</span><span style="color: #ff0000"> value</span><span style="color: #0000ff">="e:/1/console.log"</span><span style="color: #ff0000"> </span><span style="color: #0000ff">/></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"><</span><span style="color: #800000">param </span><span style="color: #ff0000">name</span><span style="color: #0000ff">="Append"</span><span style="color: #ff0000"> value</span><span style="color: #0000ff">="true"</span><span style="color: #ff0000"> </span><span style="color: #0000ff">/></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"><</span><span style="color: #800000">layout </span><span style="color: #ff0000">class</span><span style="color: #0000ff">="org.apache.log4j.PatternLayout"</span><span style="color: #0000ff">></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />         </span><span style="color: #0000ff"><</span><span style="color: #800000">param </span><span style="color: #ff0000">name</span><span style="color: #0000ff">="ConversionPattern"</span><span style="color: #ff0000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />           value</span><span style="color: #0000ff">="%d{yyyy/MM/dd HH:mm:ss.SSS} %-5p Thread:%t [%C.%M] line:%L  %m%n"</span><span style="color: #ff0000"> </span><span style="color: #0000ff">/></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"></</span><span style="color: #800000">layout</span><span style="color: #0000ff">></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"></</span><span style="color: #800000">appender</span><span style="color: #0000ff">></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"><</span><span style="color: #800000">logger </span><span style="color: #ff0000">name</span><span style="color: #0000ff">="ly.bj.china"</span><span style="color: #0000ff">></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />        </span><span style="color: #0000ff"><</span><span style="color: #800000">level </span><span style="color: #ff0000">value</span><span style="color: #0000ff">="debug"</span><span style="color: #ff0000"> </span><span style="color: #0000ff">/></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />        </span><span style="color: #0000ff"><</span><span style="color: #800000">appender-ref </span><span style="color: #ff0000">ref</span><span style="color: #0000ff">="p1"</span><span style="color: #0000ff">/></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" />    </span><span style="color: #0000ff"></</span><span style="color: #800000">logger</span><span style="color: #0000ff">></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span><span style="color: #0000ff"></</span><span style="color: #800000">log4j:configuration</span><span style="color: #0000ff">></span><span style="color: #000000"><br /> <img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /></span></div> <br /> <strong>E序代码Q?br /> </strong> <div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee"><span style="color: #008080"> 1</span><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /><span style="color: #000000"> 1</span><span style="color: #0000ff">package</span><span style="color: #000000"> ly.bj.china.test;<br /> </span><span style="color: #008080"> 2</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /> </span><span style="color: #000000">2</span><span style="color: #000000"><br /> </span><span style="color: #008080"> 3</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /> 3</span><span style="color: #0000ff">import</span><span style="color: #000000"> org.apache.log4j.Logger;<br /> </span><span style="color: #008080"> 4</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /> 4</span><span style="color: #0000ff">import</span><span style="color: #000000"> org.apache.log4j.xml.DOMConfigurator;<br /> </span><span style="color: #008080"> 5</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/None.gif" align="top" alt="" /> </span><span style="color: #000000">5</span><span style="color: #000000"><br /> </span><span style="color: #008080"> 6</span><span style="color: #000000"><img id="Codehighlighter1_138_769_Open_Image" onclick="this.style.display='none'; Codehighlighter1_138_769_Open_Text.style.display='none'; Codehighlighter1_138_769_Closed_Image.style.display='inline'; Codehighlighter1_138_769_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_138_769_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_138_769_Closed_Text.style.display='none'; Codehighlighter1_138_769_Open_Image.style.display='inline'; Codehighlighter1_138_769_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedBlock.gif" align="top" alt="" /> 6</span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">class</span><span style="color: #000000"> LogTest </span><span id="Codehighlighter1_138_769_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_138_769_Open_Text"><span style="color: #000000">{<br /> </span><span style="color: #008080"> 7</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /> </span><span style="color: #000000">7</span><span style="color: #000000">    </span><span style="color: #0000ff">private</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> Logger logger;<br /> </span><span style="color: #008080"> 8</span><span style="color: #000000"><img id="Codehighlighter1_189_315_Open_Image" onclick="this.style.display='none'; Codehighlighter1_189_315_Open_Text.style.display='none'; Codehighlighter1_189_315_Closed_Image.style.display='inline'; Codehighlighter1_189_315_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_189_315_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_189_315_Closed_Text.style.display='none'; Codehighlighter1_189_315_Open_Image.style.display='inline'; Codehighlighter1_189_315_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" /> </span><span style="color: #000000">8</span><span style="color: #000000">    </span><span style="color: #0000ff">static</span><span style="color: #000000"> </span><span id="Codehighlighter1_189_315_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_189_315_Open_Text"><span style="color: #000000">{<br /> </span><span style="color: #008080"> 9</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /> </span><span style="color: #000000">9</span><span style="color: #000000">        DOMConfigurator.configure (</span><span style="color: #000000">"</span><span style="color: #000000">e:/1/log4j.xml</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> </span><span style="color: #008080">10</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">10</span><span style="color: #000000">        logger </span><span style="color: #000000">=</span><span style="color: #000000"> Logger.getLogger(LogTest.</span><span style="color: #0000ff">class</span><span style="color: #000000">.getName());<br /> </span><span style="color: #008080">11</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" /></span><span style="color: #000000">11</span><span style="color: #000000">    }</span></span><span style="color: #000000"><br /> </span><span style="color: #008080">12</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">12</span><span style="color: #000000">    <br /> </span><span style="color: #008080">13</span><span style="color: #000000"><img id="Codehighlighter1_353_597_Open_Image" onclick="this.style.display='none'; Codehighlighter1_353_597_Open_Text.style.display='none'; Codehighlighter1_353_597_Closed_Image.style.display='inline'; Codehighlighter1_353_597_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_353_597_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_353_597_Closed_Text.style.display='none'; Codehighlighter1_353_597_Open_Image.style.display='inline'; Codehighlighter1_353_597_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" /></span><span style="color: #000000">13</span><span style="color: #000000">    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> logOtput() </span><span id="Codehighlighter1_353_597_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_353_597_Open_Text"><span style="color: #000000">{<br /> </span><span style="color: #008080">14</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">14</span><span style="color: #000000">        System.out.println(LogTest.</span><span style="color: #0000ff">class</span><span style="color: #000000">.getName());<br /> </span><span style="color: #008080">15</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">15</span><span style="color: #000000">        System.out.println(</span><span style="color: #000000">"</span><span style="color: #000000">console output</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> </span><span style="color: #008080">16</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">16</span><span style="color: #000000">        logger.info(</span><span style="color: #000000">"</span><span style="color: #000000">file output info</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> </span><span style="color: #008080">17</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">17</span><span style="color: #000000">        logger.debug(</span><span style="color: #000000">"</span><span style="color: #000000">file output debug</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> </span><span style="color: #008080">18</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">18</span><span style="color: #000000">        logger.error(</span><span style="color: #000000">"</span><span style="color: #000000">file output error</span><span style="color: #000000">"</span><span style="color: #000000">);<br /> </span><span style="color: #008080">19</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" /></span><span style="color: #000000">19</span><span style="color: #000000">    }</span></span><span style="color: #000000"><br /> </span><span style="color: #008080">20</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">20</span><span style="color: #000000"><br /> </span><span style="color: #008080">21</span><span style="color: #000000"><img id="Codehighlighter1_608_641_Open_Image" onclick="this.style.display='none'; Codehighlighter1_608_641_Open_Text.style.display='none'; Codehighlighter1_608_641_Closed_Image.style.display='inline'; Codehighlighter1_608_641_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_608_641_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_608_641_Closed_Text.style.display='none'; Codehighlighter1_608_641_Open_Image.style.display='inline'; Codehighlighter1_608_641_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" /></span><span style="color: #000000">21</span><span style="color: #000000">    </span><span id="Codehighlighter1_608_641_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff">/** */</span><span id="Codehighlighter1_608_641_Open_Text"><span style="color: #008000">/**</span><span style="color: #008000"><br /> </span><span style="color: #008080">22</span><span style="color: #008000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" />22     * </span><span style="color: #808080">@param</span><span style="color: #008000"> args<br /> </span><span style="color: #008080">23</span><span style="color: #008000"><img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" />23     </span><span style="color: #008000">*/</span></span><span style="color: #000000"><br /> </span><span style="color: #008080">24</span><span style="color: #000000"><img id="Codehighlighter1_688_762_Open_Image" onclick="this.style.display='none'; Codehighlighter1_688_762_Open_Text.style.display='none'; Codehighlighter1_688_762_Closed_Image.style.display='inline'; Codehighlighter1_688_762_Closed_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockStart.gif" align="top" alt="" /><img id="Codehighlighter1_688_762_Closed_Image" style="display: none" onclick="this.style.display='none'; Codehighlighter1_688_762_Closed_Text.style.display='none'; Codehighlighter1_688_762_Open_Image.style.display='inline'; Codehighlighter1_688_762_Open_Text.style.display='inline';" src="http://www.tkk7.com/images/OutliningIndicators/ContractedSubBlock.gif" align="top" alt="" /></span><span style="color: #000000">24</span><span style="color: #000000">    </span><span style="color: #0000ff">public</span><span style="color: #000000"> </span><span style="color: #0000ff">static</span><span style="color: #000000"> </span><span style="color: #0000ff">void</span><span style="color: #000000"> main(String[] args) </span><span id="Codehighlighter1_688_762_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="http://www.tkk7.com/Images/dot.gif" alt="" /></span><span id="Codehighlighter1_688_762_Open_Text"><span style="color: #000000">{<br /> </span><span style="color: #008080">25</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">25</span><span style="color: #000000">        LogTest lt </span><span style="color: #000000">=</span><span style="color: #000000"> </span><span style="color: #0000ff">new</span><span style="color: #000000"> LogTest();<br /> </span><span style="color: #008080">26</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">26</span><span style="color: #000000">        lt.logOtput();<br /> </span><span style="color: #008080">27</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">27</span><span style="color: #000000"><br /> </span><span style="color: #008080">28</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedSubBlockEnd.gif" align="top" alt="" /></span><span style="color: #000000">28</span><span style="color: #000000">    }</span></span><span style="color: #000000"><br /> </span><span style="color: #008080">29</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/InBlock.gif" align="top" alt="" /></span><span style="color: #000000">29</span><span style="color: #000000"><br /> </span><span style="color: #008080">30</span><span style="color: #000000"><img src="http://www.tkk7.com/images/OutliningIndicators/ExpandedBlockEnd.gif" align="top" alt="" /></span><span style="color: #000000">30</span><span style="color: #000000">}</span></span></div> <br /> <img src ="http://www.tkk7.com/thisliy/aggbug/242796.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.tkk7.com/thisliy/" target="_blank">liyang</a> 2008-11-26 15:47 <a 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