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<g:select name="confer" from="${orig}" optionKey="id" value="ola" />
<g:link controller="conferenceUser" action="addFavourite" params="[confer: confer]">
如何從selectBox中獲取當前選擇以傳遞參數g:link?如何獲取當前在g:link中使用selectBox的選擇?