使用ant和flex sdk编译mxml文件

 <property name="FLEX_HOME" value="/path/to/flex_sdk"/>
 <property name="SRC_DIR" value="src"/>
 <property name="OUTPUT_DIR" value="bin"/>

 <target name="compile">
    <mkdir dir="${OUTPUT_DIR}"/>
    <flex:mxmlc output="${OUTPUT_DIR}/MyApp.swf" file="${SRC_DIR}/MyApp.mxml">
      <load-config filename="${FLEX_HOME}/frameworks/flex-config.xml"/>
     <source-path path-element="${FLEX_HOME}/frameworks"/>
     <source-path path-element="${SRC_DIR}"/>
     <compiler.library-path dir="${FLEX_HOME}/frameworks" append="true">
       <include name="libs" />
      </compiler.library-path>
    </flex:mxmlc>
  </target>
</project>