使用方法: 1.将jacob-1.18.zip下载解压，在文件夹中找到jacob-1.18-x64.dll，jacob-1.18-x86.dll，jacob.jar 2.通过 pom.xml 新增 <dependency> <groupId>com.hynnet</groupId> <artifactId>jacob</artifactId> <version>1.18</version> </dependency> 3. 如果是32位系统 将jacob-1.18-x86.dll 文件复制到下面目录下，如果是64位操作系统 将jacob-1.18-x64.dll C:\Program Files\Java\jdk1.8.0_45\jre\bin 可以直接去官方下载：jacob已经挪到GitHub上了，下载地址：https://github.com/freemansoft/jacob-project/releases，各个版本只需要展开 Assets 选项即可看到相关下载文件了

LMAX Disruptor 最新版本 源码+API+驱动包

新建Web Project 工程名：log4j 2、给工程添加Log4j 从0步下载的文件中找到log4j-1.2.15.jar文件，将其添加到工程的lib目录下。这步很简单的，但要确定jar包添加到了工程的构建路径。 3、创建并配置 log4j.properties文件 在src源文件目录下添加log4j.properties文件。 编辑文件内容： #Console config #OFF、FATAL、ERROR、WARN、INFO、DEBUG、ALL #log4j.rootLogger=error, stdout, R #log4j.appender.stdout=org.apache.log4j.ConsoleAppender #log4j.appender.stdout.layout=org.apache.log4j.PatternLayout #log4j.appender.stdout.layout.ConversionPattern=<%d>{yyyy MMM dd HH:mm:ss,SSS} <%-5p> <%c> <%t> - %m(%F:%M:%L)%n #log4j.appender.R=org.apache.log4j.DailyRollingFileAppender #log4j.appender.R.File=f:\\qc.log #log4j.appender.R.layout=org.apache.log4j.PatternLayout #log4j.appender.R.layout.ConversionPattern=%d-[TS] %p %t %c - %m%n 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 #应用于文件 log4j.appender.FILE=org.apache.log4j.FileAppender log4j.appender.FILE.File=f:\\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 # 应用于文件回滚 log4j.appender.ROLLING_FILE=org.apache.log4j.RollingFileAppender log4j.appender.ROLLING_FILE.Threshold=ERROR log4j.appender.ROLLING_FILE.File=f:\\rolling.log #文件位置,也可以用变量${java.home}、rolling.log log4j.appender.ROLLING_FILE.Append=true #true:添加 false:覆盖 log4j.appender.ROLLING_FILE.MaxFileSize=10KB #文件最大尺寸 log4j.appender.ROLLING_FILE.MaxBackupIndex=1 #备份数 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 # 发送日志给邮件 # log4j.appender.MAIL=org.apache.log4j.net.SMTPAppender # log4j.appender.MAIL.Threshold=FATAL # log4j.appender.MAIL.BufferSize=10 # [email protected] # log4j.appender.MAIL.SMTPHost=www.wusetu.com # log4j.appender.MAIL.Subject=Log4J Message # [email protected] # log4j.appender.MAIL.layout=org.apache.log4j.PatternLayout # log4j.appender.MAIL.layout.ConversionPattern=[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n # 用于数据库 #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 = [email protected] #log4j.appender.im.layout=org.apache.log4j.PatternLayout #log4j.appender.im.layout.ConversionPattern =[framework] %d - %c -%-4r [%t] %-5p %c %x - %m%n 4、配置web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <servlet> <servlet-name>log4j-init</servlet-name> <servlet-class>test.Log4jInit</servlet-class> <init-param> <param-name>log4j</param-name> <param-value>WEB-INF/classes/log4j.properties</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> </web-app> 5、创建初始化Log4jInit.java package test; import org.apache.log4j.*; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @SuppressWarnings("serial") public class Log4jInit extends HttpServlet { public void init() { String prefix =getServletContext().getRealPath("/"); String file = getInitParameter("log4j");//配置文件位置 if(file != null) { PropertyConfigurator.configure(prefix+file); } } public void doGet(HttpServletRequest req, HttpServletResponse res) { } } 6、至此，log4j配置成功。在项目中就可以正常引用了。使用方法如下： package test; import org.apache.log4j.Logger; import com.sun.org.apache.commons.logging.Log; import com.sun.org.apache.commons.logging.LogFactory; public class Log4jTest { private static Logger log = Logger.getLogger(Log4jTest.class); public void test() { log.debug("debug"); log.trace("trace"); log.debug("befor say hi"); log.info("info"); log.warn("warn"); log.fatal("fatal"); log.error("error"); } } 注：以上配置的是使用控制台打印日志信息的方式。 例如：上例将在控制台打印如下： [framework] 2008-07-10 09:37:02,203 - test.Log4jTest -0 [http-8081-1] DEBUG test.Log4jTest - debug [framework] 2008-07-10 09:37:02,203 - test.Log4jTest -0 [http-8081-1] DEBUG test.Log4jTest - befor say hi [framework] 2008-07-10 09:37:02,203 - test.Log4jTest -0 [http-8081-1] INFO test.Log4jTest - info [framework] 2008-07-10 09:37:02,203 - test.Log4jTest -0 [http-8081-1] WARN test.Log4jTest - warn [framework] 2008-07-10 09:37:02,203 - test.Log4jTest -0 [http-8081-1] FATAL test.Log4jTest - fatal [framework] 2008-07-10 09:37:02,203 - test.Log4jTest -0 [http-8081-1] ERROR test.Log4jTest - error