mysql 里兑现查询汉字的拼音首字母

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后端开发-php教程

mysql 里实现查询汉字的拼音首字母

哪位大侠 给我个 mysql 里实现查询汉字的拼音首字母 能用的

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——解决方案——————–

/u/0611/17/7579BB9A-0A7C-4460-A302-10BAE7F4A9C5.html

——解决方案——————–

function getfirstchar($s0){

if($s0[0]==’I’ || $s[0]==’i’){

return “I”;

}elseif($s0[0]==’U’ || $s[0]==’u’){

return ‘U’;

}elseif($s0[0]==’V’ || $s[0]==’v’){

return ‘V’;

}else{

$fchar = ord($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;

}

}

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这是我之前的做的，希望可以帮到您！

——解决方案——————–

那不就结了

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