//获取字段第一个字首字母
function getfirstchar($s0){
$fchar = ord($s0{0});
if($fchar >= ord("A") and $fchar <= ord("z") )return strtoupper($s0{0});
$s1 = iconv("UTF-8","gb2312", $s0);
$s2 = iconv("gb2312","UTF-8", $s1);
if($s2 == $s0){$s = $s1;}else{$s = $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 null;
}
ThinkPHP 是一个免费开源的,快速、简单的面向对象的 轻量级PHP开发框架 ,创立于2006年初,遵循Apache2开源协议发布,是为了敏捷WEB应用开发和简化企业应用开发而诞生的。ThinkPHP从诞生以来一直秉承简洁实用的设计原则,在保持出色的性能和至简的代码的同时,也注重易用性。并且拥有众多的原创功能和特性,在社区团队的积极参与下,在易用性、扩展性和性能方面不断优化和改进,已经成长为国内最领先和最具影响力的WEB应用开发框架,众多的典型案例确保可以稳定用于商业以及门户级的开发。