利用ant的javac任务来编译java程序

<?xml version="1.0" encoding="UTF-8"?>
<project name="javaTest" default="compile" basedir=".">
<!-- 在此.代表当前目录  -->
<target name="clean">
<delete dir="build"/>
</target>
<target name="compile" depends="clean">
<mkdir dir="build/classes"/>
<javac srcdir="src" destdir="build/classes"/>
</target>
</project>
<!--运行结果
 E:\antstudy>ant compile
Buildfile: E:\antstudy\build.xml

clean:

compile:
    [mkdir] Created dir: E:\antstudy\build\classes
    [javac] E:\antstudy\build.xml:9: warning: ‘includeantruntime‘ was not set, d
efaulting to build.sysclasspath=last; set to false for repeatable builds
    [javac] Compiling 1 source file to E:\antstudy\build\classes

BUILD SUCCESSFUL
Total time: 1 second -->