php 按照中文字母名字排序，并把相应的头像显示出来
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//排序
public function getFirstChar($s){
$s0 = mb_substr($s,0,3); //获取名字的姓
$s = iconv(\'UTF-8\',\'gb2312\', $s0); //将UTF-8转换成GB2312编码
$x =ord($s0);
if (ord($s0)>128) { //汉字开头，汉字没有以U、V开头的
$asc=ord($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 $asc<=-17760)return "G";
if($asc>=-17759 and $asc<=-17248)return "H";
if($asc>=-17247 and $asc<=-17418)return "I";
if($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 $asc<=-10247)return "Z";
}else if(ord($s)>=48 and ord($s)<=57){ //数字开头
switch(iconv_substr($s,0,1,\'utf-8\')){
case 1:return "Y";
case 2:return "E";
case 3:return "S";
case 4:return "S";
case 5:return "W";
case 6:return "L";
case 7:return "Q";
case 8:return "B";
case 9:return "J";
case 0:return "L";
}
}else if(ord($s)>=65 and ord($s)<=90){ //大写英文开头
return substr($s,0,1);
}else if(ord($s)>=97 and ord($s)<=122){ //小写英文开头
return strtoupper(substr($s,0,1));
}
else
{
return iconv_substr($s0,0,1,\'utf-8\');
//中英混合的词语，不适合上面的各种情况，因此直接提取首个字符即可
}
}
// 拼友列表
public function doPageFriend(){
global $_GPC,$_W;
$uniacid = $_W[\'uniacid\'];
$friends = pdo_fetchall("SELECT * FROM ".tablename("pinba_pinyou")."where uniacid=:uniacid",array(":uniacid"=>$uniacid));
foreach($friends as &$value){
$userName[] = array("name"=>$value[\'x_name\'],"thumb"=>$_W[\'attachurl\'].$value[\'x_thumb\']);
}
$charArray = $this->addPeople($userName);
return $this->result(0,"success",$charArray);
}
public function addPeople($userName)
{
sort($userName);
foreach($userName as &$name){
$char = $this->getFirstChar($name[\'name\']);
$nameArray = array();
if(count($charArray[$char])!=0){
$nameArray = $charArray[$char];
}
array_push($nameArray,$name);
$charArray[$char] = $nameArray;
}
ksort($charArray);
return $charArray;
}
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