/*
 * 获取中文首字母
 */
//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;
}


/*
 * 读取人员列表  按拼音排序
 */
function getUserName($key = "userArr"){
    
    $data = S($key); //获取缓存数据
    if(!$data){
        if(empty($_SESSION['AdminId'])){
            $AdminId = 0;
        }else{
            $AdminId = $_SESSION['AdminId'];
        }
        $dao = D('user');
        $where['islock'] = 0;
        $where['gsid'] = session("gsid");
        $blockValue = $dao->field('AdminId,cname,tel')->where($where)->order("AdminId asc")->select();
        
        
        $i = 1 ;
        foreach($blockValue as $key => $v){
            $py = getfirstchar($v['cname']);
            $data[$i]['pinyin'] = $py;
            $data[$i]['N_cname'] = $py . '-' . $v['cname'];
            $data[$i]['AdminId'] = $v['AdminId'];
            $data[$i]['cname'] = $v['cname'];
            $data[$i]['tel'] = $v['tel'];
            $i++;
        }
        $data = array_sort($data,'pinyin');
        S($key,$data,C('cachetime')); //保存缓存数据
    }
    return $data ;
}

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