发推
${1234?c}
${"abcd"?substring(1,3)} <!--从第2个字符开始截取到第3个字符结束-->
${"abcd"?length}
${"0123"?number}
<#assign arr=("a,b,c,d"?split(","))>
<#list arr as item>
${item}
</#list>
${.now?string("yyyy-MM-dd HH:mm:ss")}
#{.now?long}
${url?replace("www.zhso.net","zhso.net")}