保留备查：
// 获取标题链接
function getsqlstr($str,$classid=1391){
global $dbtbpre,$empire;
$where=' ';
preg_match('/(.+?)《(.+?)》(.+)/',$str,$ms);
if(!$ms)return '';
$where.="locate('$ms[1]',title)>0 and ";
$where.="locate('$ms[2]',title)>0 ";
preg_match('/（(第[0-9]版)）/',$ms[3],$mss);
if($mss)$where.=" and locate('$mss[1]',title)>0 ";
if(false!==strpos($ms[3],'真题')){$where.=" and locate('真题',title)>0 ";}
if(false!==strpos($ms[3],'笔记')){$where.=" and locate('笔记',title)>0 ";}
if(false!==strpos($ms[3],'习题')){$where.=" and locate('习题',title)>0 ";}
if(!$where)$where=" 1=1";
$r=$empire->fetch1("select * from {$dbtbpre}ecms_article where classid=$classid and $where" );
if($r){
$titleurl=sys_ReturnBqTitleLink($r);
return "<a target='_blank' href='$titleurl'>$str</a>";
}else{
return $str;
}
}
//标题替换
function jhcChaLink($str){
return preg_replace_callback(
'#<p>(.+?)</p>#',
function ($ms){
if(false!==strpos($ms[1],'<a '))return $ms[0];
$tu=getsqlstr($ms[1]);
if(!$tu)$tu=$ms[1];
return "<p>$tu</p>";
},
$str);
}