复制一个object

<!--- sth.cfc--->

<cfcomponent>
  <cffunction name="hello" access="public" returntype="string">
    <cfreturn "bala bala bala">
  </cffunction>
</cfcomponent>

<!--- test.cfm --->

<cfscript>
 obj = createObject("component", "sth");
 clone = duplicate(obj);
 writeOutput(clone.hello());
</cfscript>

象Flash中的duplicateMovieClip()