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1.在上文基础上,修改源代码 HelloWorld.java

package oata;

import org.apache.log4j.Logger;
import org.apache.log4j.BasicConfigurator;

public class HelloWorld {
    
static Logger logger = Logger.getLogger(HelloWorld.class);

    
public static void main(String[] args) {
        BasicConfigurator.configure();
        logger.info(
"Hello World");          // the old SysO-statement
    }
}

2. 在javademo目录下面添加lib目录,里面添加log4j的jar文件

3.修改build.xml,
<project name="HelloWorld" basedir="." default="main">

    
<property name="src.dir" value="src" />

    
<property name="build.dir" value="build" />
    
<property name="classes.dir" value="${build.dir}/classes" />
    
<property name="jar.dir" value="${build.dir}/jar" />
    
<property name="lib.dir" value="lib" />
    
<path id="classpath">
        
<fileset dir="${lib.dir}" includes="**/*.jar" />
    
</path>
<property name="main-class" value="oata.HelloWorld" />



    
<target name="clean">
        
<delete dir="${build.dir}" />
    
</target>

    
<target name="compile">
        
<mkdir dir="${classes.dir}" />
        
<javac srcdir="${src.dir}" destdir="${classes.dir}" classpathref="classpath"/>

    
</target>
    
<target name="jar" depends="compile">
        
<mkdir dir="${jar.dir}" />
        
<jar destfile="${jar.dir}/${ant.project.name}.jar" basedir="${classes.dir}">
            
<manifest>
                
<attribute name="Main-Class" value="${main-class}" />
            
</manifest>
        
</jar>
    
</target>
    
<target name="run" depends="jar">
        
<java fork="true" classname="${main-class}">
            
<classpath>
                
<path refid="classpath" />
                
<path location="${jar.dir}/${ant.project.name}.jar" />
            
</classpath>
        
</java>

    
</target>

    
<target name="clean-build" depends="clean,jar" />

    
<target name="main" depends="clean,run" />

</project>

4. 运行ant
posted on 2008-12-04 14:22 张辰 阅读(219) 评论(0)  编辑  收藏

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