iframe傳參中文亂碼問題

1、jsp

01.var paramname=encodeURI(encodeURI("中文參數"));  
02.url="${dynamic}/cn/app/controller_add?name="+paramname;  
03.document.getElementById("iframeid").src=url;

2、java

01.String paramname=request.getParameter("paramname");  
02.try {  
03.    paramname=java.net.URLDecoder.decode(paramname,"utf-8");  
04.}catch (UnsupportedEncodingException e) {  
05.    e.printStackTrace();  
06.}