DeDecms教程

 [field:array runphp='yes']@me = (empty(@me['litpic']) ? "" : "<a href='{@me['arcurl']}' class='preview'><img src='{@me['litpic']}'/></a>"); [/field:array]

 <a href="[field:arcurl/]" title="[field:title/]" target="_blank"><script language="JavaScript" src="/images/road.js"></script></a>

var m=20; 
var n=Math.floor(Math.random()*m+1) 
document.write ("<img src='http://www.dedecms8.com/images/nt"+n+".jpg' border=0 width=148 height=118 />");