Author: kagula

Last Update Date: 2016-9-7

環境：
[1]Eclipse Mars.2
[2]JDK 1.7
[3]slf4j-log4j12 1.7.2
[4]junit 4.11

Introduction

    這裡記下免得每次為web app配log4j又得摸索一遍。

第一步:pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.nuoke</groupId>
  <artifactId>icbc_gbk</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>icbc_gbk Maven Webapp</name>
  <url>http://maven.apache.org</url>
  
  <properties>
  	<project.build.sourceEncoding>GBK</project.build.sourceEncoding>
	<project.reporting.outputEncoding>GBK</project.reporting.outputEncoding>
    <spring.version>3.1.2.RELEASE</spring.version>
    <cxf.version>3.0.9</cxf.version>
    <junit.version>4.11</junit.version>   
  </properties> 
  
  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>${junit.version}</version>
      <scope>test</scope>
    </dependency>
    
    <dependency>
	   <groupId>org.slf4j</groupId>
	   <artifactId>slf4j-log4j12</artifactId>
	   <version>1.7.2</version>
	</dependency>
    
    <dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-context</artifactId>
		<version>${spring.version}</version>
	</dependency>	
	
	<dependency>
		<groupId>org.springframework</groupId>
		<artifactId>spring-web</artifactId>
		<version>${spring.version}</version>
	</dependency>
	
    <dependency>
	  <groupId>org.apache.cxf</groupId>
      <artifactId>cxf-rt-frontend-jaxws</artifactId>
      <version>${cxf.version}</version>      
   	</dependency>
    <dependency>
      <groupId>org.apache.cxf</groupId>
      <artifactId>cxf-rt-transports-http</artifactId>
      <version>${cxf.version}</version>
    </dependency>
    
    <dependency>
    	<groupId>commons-io</groupId>
    	<artifactId>commons-io</artifactId>
    	<version>2.4</version>
	</dependency>
  </dependencies>
  <build>
    <finalName>icbc_gbk</finalName>
      <plugins>  
            <plugin>  
                <groupId>org.apache.maven.plugins</groupId>  
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.0</version>
                <configuration>  
                    <source>1.7</source>  
                    <target>1.7</target>  
                    <encoding>GBK</encoding>  
                </configuration>  
            </plugin>
        </plugins>  
  </build>
</project>
 

 
第二步：web.xml

<?xml version="1.0" encoding="GBK"?>  
<web-app  version="3.0" 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_3_0.xsd">  

	<display-name>ICBC</display-name>
	
	<!-- Log4j-->
	<context-param>
		<param-name>log4jConfigLocation</param-name>
		<param-value>classpath:log4j.xml</param-value>
	</context-param>
	<listener>
		<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
	</listener>
	
	<!-- CXF -->
	<servlet>
		<description>Apache CXF Endpoint</description>
		<display-name>cxf</display-name>
		<servlet-name>cxf</servlet-name>
		<servlet-class>org.apache.cxf.transport.servlet.CXFServlet</servlet-class>
		<load-on-startup>1</load-on-startup>
	</servlet>
	
	<servlet-mapping>
		<servlet-name>cxf</servlet-name>
		<url-pattern>/*</url-pattern>
	</servlet-mapping>
</web-app>
 

第三步：log4j.xml

放在[Project Explorer]->[...]->[Java Resources]
->[src/main/resources]節點下面

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j='http://jakarta.apache.org/log4j/'>

<appender name="appendConsole" class="org.apache.log4j.ConsoleAppender">
	<layout class="org.apache.log4j.PatternLayout">
		<param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss:SSS} %l %m%n" />
	</layout>
	<!--限制輸出級別 -->
	<filter class="org.apache.log4j.varia.LevelRangeFilter">
		<param name="LevelMax" value="FATAL" />
		<param name="LevelMin" value="DEBUG" />
	</filter>
</appender>

<appender name="myFile" class="org.apache.log4j.RollingFileAppender">          
        <param name="File" value="/log/escortcashbox.log" /><!-- 設定日誌輸出檔名 -->       
        <!-- 設定是否在重新啟動服務時，在原有日誌的基礎新增新日誌 -->       
        <param name="Append" value="true" />       
        <param name="MaxBackupIndex" value="10" />       
        <layout class="org.apache.log4j.PatternLayout">       
            <param name="ConversionPattern" value="%p (%c:%L)- %m%n" />       
        </layout>       
</appender>

<logger name="org.springframework">
   <level value="warn" />
   <appender-ref ref="appendConsole"/>  
</logger>

<root>
	<priority value="debug" />
	<appender-ref ref="appendConsole" />
	<appender-ref ref="myFile"/>
</root>
</log4j:configuration>
 

第三步：junit測試
在...[src/test/java]節點下面

package com.nuoke.test;

import org.junit.Test;

import org.slf4j.Logger;  
import org.slf4j.LoggerFactory;  

public class MyTest {
	@Test
	public void TestSlf4j()
	{
		//junit app預設會從classes路徑下找log4j.xml
		//為了讓web app用同一個log4j.xml檔案
		//web app的 web.xml裡指定log4j.xml位置也在classes路徑下。
	    Logger logger = LoggerFactory.getLogger(MyTest.class);  
	    logger.info("Hello World");  

	    int a = 1000;
	    String b = "test";
	    logger.debug("a = {}. b = {}.", a, b);  
	}// end function
}//end class