velocity 字符串解析

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#if($!{olymList} && $!{olymList.size()}>0)
           #set($num = 0)
           #foreach($!{record} in $!{olymList})
               #set($num = $num+1)
                #set($gold=$record.medal_num.substring(0,$record.medal_num.indexOf('#')))

               #set($strr=$record.medal_num)
                #set($silver=$strr.substring($gold.length(),5))
                #set($strr=$strr.replace("$gold$silver#",""))
                #set($silver=$silver.substring(1,$silver.length()))

                #set($copper=$strr.substring(0,$strr.indexOf('#')))

                #set($all=$record.medal_num.replace("$gold#$silver#$copper#",""))
               <tr height="32">
               <td><span>$!{num}</span></td>
                <td>$!{record.country}</td>
                <td>$!{gold}</td>
                <td>$!{silver}</td>
                <td>$!{copper}</td>
                <td>$!{all}</td>
            </tr>
           #end
       #end