velocity reference url

주소 : http://velocity.apache.org/engine/devel/vtl-reference-guide.html

#set($cnt = $!math.sub($!entity.answer_cnt,1))
#set($answer_list = ["$!entity.answer1","$!entity.answer2","$!entity.answer3","$!entity.answer4"])
        
#foreach($i in [0 .. $cnt])
      <label for="textfield">단문항답변</label>
      <input name="textfield" type="text" id="textfield" value="$answer_list.get($i)" size="15" />
#end

$!math.toNumber($!entity.answer_cnt) : string -> number 타입으로 변경