织梦获得首字母方法,并实现文章列表按首字母归类

if (ord($row['Title'])>128) { //汉字开头  $letter=getfirstchar2($row['Title']); }else if(ord($row['Title'])>=48 and ord($row['Title'])<=57){ //数字开头 $letter=iconv_substr($Title,1,'utf-8'); }else if(ord($row['Title'])>=65 and ord($row['Title'])<=90){ //大写英文开头 $letter=iconv_substr($row['Title'],'utf-8'); }else if(ord($row['Title'])>=97 and ord($row['Title'])<=122){ //小写英文开头 $letter=iconv_substr($row['Title'],'utf-8'); $letter=strtoupper($letter);//字母转换成大写 } print_r($letter);exit;  function getfirstchar2($s0){ $s=iconv("UTF-8","gb2312",$s0);  $asc=ord($s{0})*256+ord($s{1})-65536;  if($asc>=-20319 and $asc<=-20284)return "A";  if($asc>=-20283 and $asc<=-19776)return "B";  if($asc>=-19775 and $asc<=-19219)return "C";  if($asc>=-19218 and $asc<=-18711)return "D";  if($asc>=-18710 and $asc<=-18527)return "E";  if($asc>=-18526 and $asc<=-18240)return "F";  if($asc>=-18239 and $asc<=-17923)return "G";  if($asc>=-17922 and $asc<=-17418)return "H";  if($asc>=-17417 and $asc<=-16475)return "J";  if($asc>=-16474 and $asc<=-16213)return "K";  if($asc>=-16212 and $asc<=-15641)return "L";  if($asc>=-15640 and $asc<=-15166)return "M";  if($asc>=-15165 and $asc<=-14923)return "N";  if($asc>=-14922 and $asc<=-14915)return "O";  if($asc>=-14914 and $asc<=-14631)return "P";  if($asc>=-14630 and $asc<=-14150)return "Q";  if($asc>=-14149 and $asc<=-14091)return "R";  if($asc>=-14090 and $asc<=-13319)return "S";  if($asc>=-13318 and $asc<=-12839)return "T";  if($asc>=-12838 and $asc<=-12557)return "W";  if($asc>=-12556 and $asc<=-11848)return "X";  if($asc>=-11847 and $asc<=-11056)return "Y";  if($asc>=-11055 and $asc<=-10247)return "Z";  return false;  }