php实现文章置顶功能的方法介绍

<td class="center"> {{if $logs[data].flag}} 
<a href="JavaScript:void(0);" onclick="istop(&#39;{{$logs[data].id}}&#39;,0)">取消置顶</a>{{else}} <a href="javascript:void(0);" 
onclick="istop(&#39;{{$logs[data].id}}&#39;,1)">置顶</a>{{/if}}</td>

function istop(id,flag){
$.ajax({
type: "POST",
url: "?m={{'article'|encrypt}}&a=savePost",
data: "id="+id+"&flag="+flag,
dataType:"json",
success: function(msg){
if(msg.status == "true")
{
 window.location= '?m={{'article'|encrypt}}';
}
else
{
 alert(msg.message);
}
}
});
}

$sql .=" ORDER BY flag DESC,top DESC,id DESC ";