struts2+spring+mybatis入门教程五之配置log4j
2015-01-15 10:48
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(1)将javax.servlet_1.0.0.0_2-5.jar拷贝到web-inf/lib下。
(2)在web-inf根目录下新建文件log4j.properties,配置日志输出级别、日志路径等信息。log4j.properties代码:
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# debug<info<warn<error
log4j.rootLogger=debug, LOGFILE
#log4j.debug=true
# Set the enterprise logger category to FATAL and its only appender to CONSOLE.
#设置包日志输出级别
#log4j.logger.com.xy6=INFO, CONSOLE
# CONSOLE is set to be a ConsoleAppender using a PatternLayout.
#输出到控制台
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Threshold=INFO
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d %p [%c] - <%m>%n
#输出到文件
log4j.appender.LOGFILE=org.apache.log4j.RollingFileAppender
log4j.appender.LOGFILE.File=${webappRoot}/log/AllLog.log
log4j.appender.LOGFILE.MaxFileSize=10000KB
log4j.appender.LOGFILE.MaxBackupIndex=1000
log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.LOGFILE.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} [%c]-[%p] %m%n
#mybatis显示SQL语句日志配置
log4j.logger.com.ibatis=DEBUG
log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=DEBUG
log4j.logger.com.ibatis.common.jdbc.ScriptRunner=DEBUG
log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate=DEBUG
log4j.logger.java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG
(3)在web根目录下新建文件夹log,作为日志文件输出的根目录。
(4)在com.xy6下新建log4j初始化类Log4jInitServlet.java,初始化log4j配置文件中日志路径中的参数webappRoot,输出应用的磁盘路径。若log4j.properties中日志输出路径为固定值如E:\j2ee\workspace\SSM\web\log,则无需再写该类进行初始化。Log4jInitServlet.java代码:
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package com.xy6;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import org.apache.log4j.PropertyConfigurator;
public class Log4jInitServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public void init() throws ServletException {
System.out.println("---path:"+getServletContext().getRealPath("/"));
System.setProperty("webappRoot", getServletContext().getRealPath("/"));
PropertyConfigurator.configure(getServletContext().getRealPath("/")
+ getInitParameter("configfile"));
}
}
(5)修改web.xml,配置log4j配置文件路径及初始化类。web.xml代码:
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<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" 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>SSM</display-name>
<welcome-file-list>
<welcome-file>/demo/demo.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</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/spring.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>log4j config file</servlet-name>
<servlet-class>com.xy6.Log4jInitServlet</servlet-class>
<init-param>
<param-name>configfile</param-name>
<param-value>/WEB-INF/log4j.properties</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
</web-app>
(6)修改DemoAction.java,测试日志文件是否正确输出。DemoAction.java代码:
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package com.xy6;
import java.util.List;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import com.opensymphony.xwork2.ActionSupport;
public class DemoAction extends ActionSupport {
private static final long serialVersionUID = 1L;
private final Logger logger = Logger.getLogger(DemoAction.class.getName());
@Autowired
private DemoDao demoDao;
public String execute(){
DemoHelper demoHelper = new DemoHelper();
System.out.println("---curren year:"+demoHelper.getCurYear());
DemoVO demoVO = new DemoVO();
demoVO.setCode(1);
List<DemoVO> listDemoVO = demoDao.selectByCode(demoVO);
for(int i=0;i <listDemoVO.size(); i++){
System.out.println("---i:"+listDemoVO.get(i).toString());
}
this.testLog4j();
return "success";
}
public void testLog4j(){
logger.info("info");
logger.warn("warn");
logger.debug("debug");
logger.error("error");
logger.fatal("fatal");
}
}
(7)重启域服务,控制台输出应用的磁盘路径。如下图:
(8)浏览器中访问http://localhost:9001/web/demo.action,页面显示demo.jsp,log文件夹下生成AllLog.log。如下图:
(9)至此,log4j配置结束。
(2)在web-inf根目录下新建文件log4j.properties,配置日志输出级别、日志路径等信息。log4j.properties代码:
[plain] view
plaincopy
# debug<info<warn<error
log4j.rootLogger=debug, LOGFILE
#log4j.debug=true
# Set the enterprise logger category to FATAL and its only appender to CONSOLE.
#设置包日志输出级别
#log4j.logger.com.xy6=INFO, CONSOLE
# CONSOLE is set to be a ConsoleAppender using a PatternLayout.
#输出到控制台
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Threshold=INFO
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d %p [%c] - <%m>%n
#输出到文件
log4j.appender.LOGFILE=org.apache.log4j.RollingFileAppender
log4j.appender.LOGFILE.File=${webappRoot}/log/AllLog.log
log4j.appender.LOGFILE.MaxFileSize=10000KB
log4j.appender.LOGFILE.MaxBackupIndex=1000
log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
log4j.appender.LOGFILE.layout.ConversionPattern=%-d{yyyy-MM-dd HH:mm:ss} [%c]-[%p] %m%n
#mybatis显示SQL语句日志配置
log4j.logger.com.ibatis=DEBUG
log4j.logger.com.ibatis.common.jdbc.SimpleDataSource=DEBUG
log4j.logger.com.ibatis.common.jdbc.ScriptRunner=DEBUG
log4j.logger.com.ibatis.sqlmap.engine.impl.SqlMapClientDelegate=DEBUG
log4j.logger.java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG
(3)在web根目录下新建文件夹log,作为日志文件输出的根目录。
(4)在com.xy6下新建log4j初始化类Log4jInitServlet.java,初始化log4j配置文件中日志路径中的参数webappRoot,输出应用的磁盘路径。若log4j.properties中日志输出路径为固定值如E:\j2ee\workspace\SSM\web\log,则无需再写该类进行初始化。Log4jInitServlet.java代码:
[java] view
plaincopy
package com.xy6;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import org.apache.log4j.PropertyConfigurator;
public class Log4jInitServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public void init() throws ServletException {
System.out.println("---path:"+getServletContext().getRealPath("/"));
System.setProperty("webappRoot", getServletContext().getRealPath("/"));
PropertyConfigurator.configure(getServletContext().getRealPath("/")
+ getInitParameter("configfile"));
}
}
(5)修改web.xml,配置log4j配置文件路径及初始化类。web.xml代码:
[html] view
plaincopy
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" 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>SSM</display-name>
<welcome-file-list>
<welcome-file>/demo/demo.jsp</welcome-file>
</welcome-file-list>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</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/spring.xml</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<servlet>
<servlet-name>log4j config file</servlet-name>
<servlet-class>com.xy6.Log4jInitServlet</servlet-class>
<init-param>
<param-name>configfile</param-name>
<param-value>/WEB-INF/log4j.properties</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
</web-app>
(6)修改DemoAction.java,测试日志文件是否正确输出。DemoAction.java代码:
[java] view
plaincopy
package com.xy6;
import java.util.List;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import com.opensymphony.xwork2.ActionSupport;
public class DemoAction extends ActionSupport {
private static final long serialVersionUID = 1L;
private final Logger logger = Logger.getLogger(DemoAction.class.getName());
@Autowired
private DemoDao demoDao;
public String execute(){
DemoHelper demoHelper = new DemoHelper();
System.out.println("---curren year:"+demoHelper.getCurYear());
DemoVO demoVO = new DemoVO();
demoVO.setCode(1);
List<DemoVO> listDemoVO = demoDao.selectByCode(demoVO);
for(int i=0;i <listDemoVO.size(); i++){
System.out.println("---i:"+listDemoVO.get(i).toString());
}
this.testLog4j();
return "success";
}
public void testLog4j(){
logger.info("info");
logger.warn("warn");
logger.debug("debug");
logger.error("error");
logger.fatal("fatal");
}
}
(7)重启域服务,控制台输出应用的磁盘路径。如下图:
(8)浏览器中访问http://localhost:9001/web/demo.action,页面显示demo.jsp,log文件夹下生成AllLog.log。如下图:
(9)至此,log4j配置结束。
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