build.xml初始化编码<compilerargline="-encodingUTF-8"/>

<target depends="init" name="build-project">
        <echo message="${ant.project.name}: ${ant.file}"/>
        <javac debug="true" debuglevel="${debuglevel}" destdir="WebContent/WEB-INF/classes" includeantruntime="false" source="${source}" target="${target}">
            <compilerarg line="-encoding UTF-8" />
            <src path="src"/>
            <classpath refid="ekp_xskj.classpath"/>
        </javac>
    </target>

<compilerarg line="-encoding UTF-8" />