php mysql 如何将中文转换拼音、小写转大写；并排序

首先 在网上 找找函数 把中文转换成拼音的

例如 to_pinyin();

然后

$data_sort = array();

foreach($data as $row){

$data[to_pinyin($row)] = $row;

}

最后 用 键值排序 就可以了

如果不想提交表单的话，那只能用ajax去实时提交字符串到后端php，将翻译后的内容返回前端，并在ajax回调函数中将译文填到第二个input里。

ajax的用法请自行查资料。

至于拼音转换，这需要一个拼音库，我这有一个，是从dede里提取出来的，也许可以帮到你。

//示例

echo GetPinyin("魍魉");

/

  汉字转拼音

  @param string $str 待转换的字符串

  @param string $charset 字符串编码

  @param bool $ishead 是否只提取首字母

  @return string 返回结果

 /

function GetPinyin($str,$charset="utf-8",$ishead = 0) {

    $restr = '';

    $str = trim($str);

    if($charset=="utf-8"){

        $str=iconv("utf-8","gb2312",$str);

    }

    $slen = strlen($str);

    $pinyins=array();

    if ($slen < 2) {

        return $str;

    }

    $fp = fopen('pinyindat', 'r');

    while (!feof($fp)) {

        $line = trim(fgets($fp));

        $pinyins[$line[0] $line[1]] = substr($line, 3, strlen($line) - 3);

    }

    fclose($fp);

    for ($i = 0; $i < $slen; $i++) {

        if (ord($str[$i]) > 0x80) {

            $c = $str[$i] $str[$i + 1];

            $i++;

            if (isset($pinyins[$c])) {

                if ($ishead == 0) {

                    $restr = $pinyins[$c];

                } else {

                    $restr = $pinyins[$c][0];

                }

            } else {

                $restr = "_";

            }

        } else if (preg_match("/[a-z0-9]/i", $str[$i])) {

            $restr = $str[$i];

        } else {

            $restr = "_";

        }

    }

    return $restr;

}

有一个拼音字典库，这里发不了附件，需要的话把你邮箱地址给我

前些天，我也要用生成拼音的，找了很多，发现没有完全正确的，因为转换要用到一个函数进行转换字符集。好像GB2312字符集的都可以正确生成拼音，GBK字符集的就很多错误了。可能是因为字符集内并非按拼音的吧。

$source = "中国";$aim = new CUtf8_PY();echo $aim -> encode( $source , 'head');echo "\r\n";echo $aim -> encode( $source , 'all'); / PHP 汉字转拼音 @author Jerryli(hzjerry@gmailcom) @version V020140715 @package SPFWcorelibfinal @global SEA_PHP_FW_VAR_ENV @example echo CUtf8_PY::encode('阿里巴巴科技有限公司'); //编码为拼音首字母 echo CUtf8_PY::encode('阿里巴巴科技有限公司', 'all'); //编码为全拼音 /class CUtf8_PY { / 拼音字符转换图 @var array / private static $_aMaps = array( 'a'=>-20319,'ai'=>-20317,'an'=>-20304,'ang'=>-20295,'ao'=>-20292, 'ba'=>-20283,'bai'=>-20265,'ban'=>-20257,'bang'=>-20242,'bao'=>-20230,'bei'=>-20051,'ben'=>-20036,'beng'=>-20032,'bi'=>-20026,'bian'=>-20002,'biao'=>-19990,'bie'=>-19986,'bin'=>-19982,'bing'=>-19976,'bo'=>-19805,'bu'=>-19784, 'ca'=>-19775,'cai'=>-19774,'can'=>-19763,'cang'=>-19756,'cao'=>-19751,'ce'=>-19746,'ceng'=>-19741,'cha'=>-19739,'chai'=>-19728,'chan'=>-19725,'chang'=>-19715,'chao'=>-19540,'che'=>-19531,'chen'=>-19525,'cheng'=>-19515,'chi'=>-19500,'chong'=>-19484,'chou'=>-19479,'chu'=>-19467,'chuai'=>-19289,'chuan'=>-19288,'chuang'=>-19281,'chui'=>-19275,'chun'=>-19270,'chuo'=>-19263,'ci'=>-19261,'cong'=>-19249,'cou'=>-19243,'cu'=>-19242,'cuan'=>-19238,'cui'=>-19235,'cun'=>-19227,'cuo'=>-19224, 'da'=>-19218,'dai'=>-19212,'dan'=>-19038,'dang'=>-19023,'dao'=>-19018,'de'=>-19006,'deng'=>-19003,'di'=>-18996,'dian'=>-18977,'diao'=>-18961,'die'=>-18952,'ding'=>-18783,'diu'=>-18774,'dong'=>-18773,'dou'=>-18763,'du'=>-18756,'duan'=>-18741,'dui'=>-18735,'dun'=>-18731,'duo'=>-18722, 'e'=>-18710,'en'=>-18697,'er'=>-18696, 'fa'=>-18526,'fan'=>-18518,'fang'=>-18501,'fei'=>-18490,'fen'=>-18478,'feng'=>-18463,'fo'=>-18448,'fou'=>-18447,'fu'=>-18446, 'ga'=>-18239,'gai'=>-18237,'gan'=>-18231,'gang'=>-18220,'gao'=>-18211,'ge'=>-18201,'gei'=>-18184,'gen'=>-18183,'geng'=>-18181,'gong'=>-18012,'gou'=>-17997,'gu'=>-17988,'gua'=>-17970,'guai'=>-17964,'guan'=>-17961,'guang'=>-17950,'gui'=>-17947,'gun'=>-17931,'guo'=>-17928, 'ha'=>-17922,'hai'=>-17759,'han'=>-17752,'hang'=>-17733,'hao'=>-17730,'he'=>-17721,'hei'=>-17703,'hen'=>-17701,'heng'=>-17697,'hong'=>-17692,'hou'=>-17683,'hu'=>-17676,'hua'=>-17496,'huai'=>-17487,'huan'=>-17482,'huang'=>-17468,'hui'=>-17454,'hun'=>-17433,'huo'=>-17427, 'ji'=>-17417,'jia'=>-17202,'jian'=>-17185,'jiang'=>-16983,'jiao'=>-16970,'jie'=>-16942,'jin'=>-16915,'jing'=>-16733,'jiong'=>-16708,'jiu'=>-16706,'ju'=>-16689,'juan'=>-16664,'jue'=>-16657,'jun'=>-16647, 'ka'=>-16474,'kai'=>-16470,'kan'=>-16465,'kang'=>-16459,'kao'=>-16452,'ke'=>-16448,'ken'=>-16433,'keng'=>-16429,'kong'=>-16427,'kou'=>-16423,'ku'=>-16419,'kua'=>-16412,'kuai'=>-16407,'kuan'=>-16403,'kuang'=>-16401,'kui'=>-16393,'kun'=>-16220,'kuo'=>-16216, 'la'=>-16212,'lai'=>-16205,'lan'=>-16202,'lang'=>-16187,'lao'=>-16180,'le'=>-16171,'lei'=>-16169,'leng'=>-16158,'li'=>-16155,'lia'=>-15959,'lian'=>-15958,'liang'=>-15944,'liao'=>-15933,'lie'=>-15920,'lin'=>-15915,'ling'=>-15903,'liu'=>-15889,'long'=>-15878,'lou'=>-15707,'lu'=>-15701,'lv'=>-15681,'luan'=>-15667,'lue'=>-15661,'lun'=>-15659,'luo'=>-15652, 'ma'=>-15640,'mai'=>-15631,'man'=>-15625,'mang'=>-15454,'mao'=>-15448,'me'=>-15436,'mei'=>-15435,'men'=>-15419,'meng'=>-15416,'mi'=>-15408,'mian'=>-15394,'miao'=>-15385,'mie'=>-15377,'min'=>-15375,'ming'=>-15369,'miu'=>-15363,'mo'=>-15362,'mou'=>-15183,'mu'=>-15180, 'na'=>-15165,'nai'=>-15158,'nan'=>-15153,'nang'=>-15150,'nao'=>-15149,'ne'=>-15144,'nei'=>-15143,'nen'=>-15141,'neng'=>-15140,'ni'=>-15139,'nian'=>-15128,'niang'=>-15121,'niao'=>-15119,'nie'=>-15117,'nin'=>-15110,'ning'=>-15109,'niu'=>-14941,'nong'=>-14937,'nu'=>-14933,'nv'=>-14930,'nuan'=>-14929,'nue'=>-14928,'nuo'=>-14926, 'o'=>-14922,'ou'=>-14921, 'pa'=>-14914,'pai'=>-14908,'pan'=>-14902,'pang'=>-14894,'pao'=>-14889,'pei'=>-14882,'pen'=>-14873,'peng'=>-14871,'pi'=>-14857,'pian'=>-14678,'piao'=>-14674,'pie'=>-14670,'pin'=>-14668,'ping'=>-14663,'po'=>-14654,'pu'=>-14645, 'qi'=>-14630,'qia'=>-14594,'qian'=>-14429,'qiang'=>-14407,'qiao'=>-14399,'qie'=>-14384,'qin'=>-14379,'qing'=>-14368,'qiong'=>-14355,'qiu'=>-14353,'qu'=>-14345,'quan'=>-14170,'que'=>-14159,'qun'=>-14151, 'ran'=>-14149,'rang'=>-14145,'rao'=>-14140,'re'=>-14137,'ren'=>-14135,'reng'=>-14125,'ri'=>-14123,'rong'=>-14122,'rou'=>-14112,'ru'=>-14109,'ruan'=>-14099,'rui'=>-14097,'run'=>-14094,'ruo'=>-14092, 'sa'=>-14090,'sai'=>-14087,'san'=>-14083,'sang'=>-13917,'sao'=>-13914,'se'=>-13910,'sen'=>-13907,'seng'=>-13906,'sha'=>-13905,'shai'=>-13896,'shan'=>-13894,'shang'=>-13878,'shao'=>-13870,'she'=>-13859,'shen'=>-13847,'sheng'=>-13831,'shi'=>-13658,'shou'=>-13611,'shu'=>-13601,'shua'=>-13406,'shuai'=>-13404,'shuan'=>-13400,'shuang'=>-13398,'shui'=>-13395,'shun'=>-13391,'shuo'=>-13387,'si'=>-13383,'song'=>-13367,'sou'=>-13359,'su'=>-13356,'suan'=>-13343,'sui'=>-13340,'sun'=>-13329,'suo'=>-13326, 'ta'=>-13318,'tai'=>-13147,'tan'=>-13138,'tang'=>-13120,'tao'=>-13107,'te'=>-13096,'teng'=>-13095,'ti'=>-13091,'tian'=>-13076,'tiao'=>-13068,'tie'=>-13063,'ting'=>-13060,'tong'=>-12888,'tou'=>-12875,'tu'=>-12871,'tuan'=>-12860,'tui'=>-12858,'tun'=>-12852,'tuo'=>-12849, 'wa'=>-12838,'wai'=>-12831,'wan'=>-12829,'wang'=>-12812,'wei'=>-12802,'wen'=>-12607,'weng'=>-12597,'wo'=>-12594,'wu'=>-12585, 'xi'=>-12556,'xia'=>-12359,'xian'=>-12346,'xiang'=>-12320,'xiao'=>-12300,'xie'=>-12120,'xin'=>-12099,'xing'=>-12089,'xiong'=>-12074,'xiu'=>-12067,'xu'=>-12058,'xuan'=>-12039,'xue'=>-11867,'xun'=>-11861, 'ya'=>-11847,'yan'=>-11831,'yang'=>-11798,'yao'=>-11781,'ye'=>-11604,'yi'=>-11589,'yin'=>-11536,'ying'=>-11358,'yo'=>-11340,'yong'=>-11339,'you'=>-11324,'yu'=>-11303,'yuan'=>-11097,'yue'=>-11077,'yun'=>-11067, 'za'=>-11055,'zai'=>-11052,'zan'=>-11045,'zang'=>-11041,'zao'=>-11038,'ze'=>-11024,'zei'=>-11020,'zen'=>-11019,'zeng'=>-11018,'zha'=>-11014,'zhai'=>-10838,'zhan'=>-10832,'zhang'=>-10815,'zhao'=>-10800,'zhe'=>-10790,'zhen'=>-10780,'zheng'=>-10764,'zhi'=>-10587,'zhong'=>-10544,'zhou'=>-10533,'zhu'=>-10519,'zhua'=>-10331,'zhuai'=>-10329,'zhuan'=>-10328,'zhuang'=>-10322,'zhui'=>-10315,'zhun'=>-10309,'zhuo'=>-10307,'zi'=>-10296,'zong'=>-10281,'zou'=>-10274,'zu'=>-10270,'zuan'=>-10262,'zui'=>-10260,'zun'=>-10256,'zuo'=>-10254 ); / 将中文编码成拼音 @param string $utf8Data utf8字符集数据 @param string $sRetFormat 返回格式 [head:首字母|all:全拼音] @return string / public static function encode($utf8Data, $sRetFormat='head'){ $sGBK = iconv('UTF-8', 'GBK', $utf8Data); $aBuf = array(); for ($i=0, $iLoop=strlen($sGBK); $i<$iLoop; $i++) { $iChr = ord($sGBK{$i}); if ($iChr>160) $iChr = ($iChr<<8) + ord($sGBK{++$i}) - 65536; if ('head' === $sRetFormat) $aBuf[] = substr(self::zh2py($iChr),0,1); else $aBuf[] = self::zh2py($iChr); } if ('head' === $sRetFormat) return implode('', $aBuf); else return implode(' ', $aBuf); } / 中文转换到拼音(每次处理一个字符) @param number $iWORD 待处理字符双字节 @return string 拼音 / private static function zh2py($iWORD) { if($iWORD>0 && $iWORD<160 ) { return chr($iWORD); } elseif ($iWORD<-20319||$iWORD>-10247) { return ''; } else { foreach (self::$_aMaps as $py => $code) { if($code > $iWORD) break; $result = $py; } return $result; } }}

1、如果你用过smarty模板引擎、MVC类似框架如tp，那么你自己写一个框架噢！

2、你要对php的继承实现以及其中的小知识点熟知；

3、先列出你的框架目录，什么地方放什么，然后写你的配置文件

4、用到的高频函数有：require 、 require_once 、 file_exites等！

如：sybase_connect连上数据库。

语法: int sybase_connect(string [servername], string [username], string [password]);

返回值: 整数函数种类: 数据库功能 本函数用来打开与 Sybase 数据库的连接。

参数 servername 为欲连上的数据库服务器名称。

参数 username 及 password 可省略，分别为连接使用的帐号及密码。

使用本函数需注意早点关闭数据库，以减少系统的负担。

连接成功则返回数据库的连接代号，失败返回 false 值。

问题很抽象，没有具体补充吗？在电脑上你可以转换一下输入法，过去常用的拼音输入智能abc，现在常用的搜狗输入法，都可以将拼音转换成汉字，只要你输入相应的拼音，然后按数字选择你要打的字就可以了。若是手机的话，因手机而异，不好细说，但是都不会很难，可以找亲近的人研究一下

原始代码有些问题，我做了些更改，原地址github 的 chenall/chenall/blob/master/php/tools/ZH-cn_TO_pinyinphp

/

    中文汉字转拼音首字母的PHP简易实现方法

    要求: 只能是GB2312码表里面中文字符

    转换得到字符串对应的拼音首字母大写

    用法:

    echo zh2py::conv('Chinese 中华人民共和国');//Chinese ZHRMGHG

    或

    $py = new zh2py;

    echo $py->conv('Chinese 中华人民共和国');//Chinese ZHRMGHG

/

class zh2py

{

    //根据汉字区位表

    //我们可以看到从16-55区之间是按拼音字母排序的,所以我们只需要判断某个汉字的区位码就可以得知它的拼音首字母

    //区位表第一部份,按拼音字母排序的

    //16区-55区

    /

        'A'=>0xB0A1, 'B'=>0xB0C5, 'C'=>0xB2C1, 'D'=>0xB4EE, 'E'=>0xB6EA, 'F'=>0xB7A2, 'G'=>0xB8C1,'H'=>0xB9FE,

    'J'=>0xBBF7, 'K'=>0xBFA6, 'L'=>0xC0AC, 'M'=>0xC2E8, 'N'=>0xC4C3, 'O'=>0xC5B6, 'P'=>0xC5BE,'Q'=>0xC6DA,

    'R'=>0xC8BB, 'S'=>0xC8F6, 'T'=>0xCBFA, 'W'=>0xCDDA, 'X'=>0xCEF4, 'Y'=>0xD1B9, 'Z'=>0xD4D1

    /

    private static $FirstTable = array(

    0xB0C5, 0xB2C1, 0xB4EE, 0xB6EA, 0xB7A2, 0xB8C1, 0xB9FE, 0xBBF7, 0xBFA6, 0xC0AC, 0xC2E8,

    0xC4C3, 0xC5B6, 0xC5BE, 0xC6DA, 0xC8BB, 0xC8F6, 0xCBFA, 0xCDDA, 0xCEF4, 0xD1B9, 0xD4D1,0xD7FA

    );

    private static $FirstLetter = "ABCDEFGHJKLMNOPQRSTWXYZ";

    //区位表第二部份,不规则的,下面的字母是每个区里面对应字的拼音首字母从网上查询整理出来的,可能会有部份错误

    //56区-87区

    private static $SecondTable = array(

        "CJWGNSPGCGNEGYPBTYYZDXYKYGTZJNMJQMBSGZSCYJSYYFPGKBZGYDYWJKGKLJSWKPJQHYJWRDZLSYMRYPYWWCCKZNKYYG",

        "TTNGJEYKKZYTCJNMCYLQLYPYSFQRPZSLWBTGKJFYXJWZLTBNCXJJJJTXDTTSQZYCDXXHGCKBPHFFSSTYBGMXLPBYLLBHLX",

        "SMZMYJHSOJNGHDZQYKLGJHSGQZHXQGKXZZWYSCSCJXYEYXADZPMDSSMZJZQJYZCJJFWQJBDZBXGZNZCPWHWXHQKMWFBPBY",

        "DTJZZKXHYLYGXFPTYJYYZPSZLFCHMQSHGMXXSXJYQDCSBBQBEFSJYHWWGZKPYLQBGLDLCDTNMAYDDKSSNGYCSGXLYZAYPN",

        "PTSDKDYLHGYMYLCXPYCJNDQJWXQXFYYFJLEJPZRXCCQWQQSBZKYMGPLBMJRQCFLNYMYQMSQYRBCJTHZTQFRXQHXMQJCJLY",

        "QGJMSHZKBSWYEMYLTXFSYDXWLYCJQXSJNQBSCTYHBFTDCYZDJWYGHQFRXWCKQKXEBPTLPXJZSRMEBWHJLBJSLYYSMDXLCL",

        "QKXLHXJRZJMFQHXHWYWSBHTRXXGLHQHFNMGYKLDYXZPYLGGSMTCFBAJJZYLJTYANJGBJPLQGSZYQYAXBKYSECJSZNSLYZH",

        "ZXLZCGHPXZHZNYTDSBCJKDLZAYFFYDLEBBGQYZKXGLDNDNYSKJSHDLYXBCGHXYPKDJMMZNGMMCLGWZSZXZJFZNMLZZTHCS",

        "YDBDLLSCDDNLKJYKJSYCJLKWHQASDKNHCSGAGHDAASHTCPLCPQYBSZMPJLPCJOQLCDHJJYSPRCHNWJNLHLYYQYYWZPTCZG",

        "WWMZFFJQQQQYXACLBHKDJXDGMMYDJXZLLSYGXGKJRYWZWYCLZMSSJZLDBYDCFCXYHLXCHYZJQSQQAGMNYXPFRKSSBJLYXY",

        "SYGLNSCMHCWWMNZJJLXXHCHSYZSTTXRYCYXBYHCSMXJSZNPWGPXXTAYBGAJCXLYXDCCWZOCWKCCSBNHCPDYZNFCYYTYCKX",

        "KYBSQKKYTQQXFCMCHCYKELZQBSQYJQCCLMTHSYWHMKTLKJLYCXWHEQQHTQKZPQSQSCFYMMDMGBWHWLGSLLYSDLMLXPTHMJ",

        "HWLJZYHZJXKTXJLHXRSWLWZJCBXMHZQXSDZPSGFCSGLSXYMJSHXPJXWMYQKSMYPLRTHBXFTPMHYXLCHLHLZYLXGSSSSTCL",

        "SLDCLRPBHZHXYYFHBMGDMYCNQQWLQHJJCYWJZYEJJDHPBLQXTQKWHLCHQXAGTLXLJXMSLJHTZKZJECXJCJNMFBYCSFYWYB",

        "JZGNYSDZSQYRSLJPCLPWXSDWEJBJCBCNAYTWGMPAPCLYQPCLZXSBNMSGGFNZJJBZSFZYNTXHPLQKZCZWALSBCZJXSYZGWK",

        "YPSGXFZFCDKHJGXTLQFSGDSLQWZKXTMHSBGZMJZRGLYJBPMLMSXLZJQQHZYJCZYDJWFMJKLDDPMJEGXYHYLXHLQYQHKYCW",

        "CJMYYXNATJHYCCXZPCQLBZWWYTWBQCMLPMYRJCCCXFPZNZZLJPLXXYZTZLGDLTCKLYRZZGQTTJHHHJLJAXFGFJZSLCFDQZ",

        "LCLGJDJZSNZLLJPJQDCCLCJXMYZFTSXGCGSBRZXJQQCTZHGYQTJQQLZXJYLYLBCYAMCSTYLPDJBYREGKLZYZHLYSZQLZNW",

        "CZCLLWJQJJJKDGJZOLBBZPPGLGHTGZXYGHZMYCNQSYCYHBHGXKAMTXYXNBSKYZZGJZLQJTFCJXDYGJQJJPMGWGJJJPKQSB",

        "GBMMCJSSCLPQPDXCDYYKYPCJDDYYGYWRHJRTGZNYQLDKLJSZZGZQZJGDYKSHPZMTLCPWNJYFYZDJCNMWESCYGLBTZZGMSS",

        "LLYXYSXXBSJSBBSGGHFJLYPMZJNLYYWDQSHZXTYYWHMCYHYWDBXBTLMSYYYFSXJCBDXXLHJHFSSXZQHFZMZCZTQCXZXRTT",

        "DJHNRYZQQMTQDMMGNYDXMJGDXCDYZBFFALLZTDLTFXMXQZDNGWQDBDCZJDXBZGSQQDDJCMBKZFFXMKDMDSYYSZCMLJDSYN",

        "SPRSKMKMPCKLGTBQTFZSWTFGGLYPLLJZHGJJGYPZLTCSMCNBTJBQFKDHBYZGKPBBYMTDSSXTBNPDKLEYCJNYCDYKZTDHQH",

        "SYZSCTARLLTKZLGECLLKJLQJAQNBDKKGHPJTZQKSECSHALQFMMGJNLYJBBTMLYZXDXJPLDLPCQDHZYCBZSCZBZMSLJFLKR",

        "ZJSNFRGJHXPDHYJYBZGDLQCSEZGXLBLGYXTWMABCHECMWYJYZLLJJYHLGNDJLSLYGKDZPZXJYYZLWCXSZFGWYYDLYHCLJS",

        "CMBJHBLYZLYCBLYDPDQYSXQZBYTDKYXJYYCNRJMPDJGKLCLJBCTBJDDBBLBLCZQRPYXJCJLZCSHLTOLJNMDDDLNGKATHQH",

        "JHYKHEZNMSHRPHQQJCHGMFPRXHJGDYCHGHLYRZQLCYQJNZSQTKQJYMSZSWLCFQQQXYFGGYPTQWLMCRNFKKFSYYLQBMQAMM",

        "MYXCTPSHCPTXXZZSMPHPSHMCLMLDQFYQXSZYJDJJZZHQPDSZGLSTJBCKBXYQZJSGPSXQZQZRQTBDKYXZKHHGFLBCSMDLDG",

        "DZDBLZYYCXNNCSYBZBFGLZZXSWMSCCMQNJQSBDQSJTXXMBLTXZCLZSHZCXRQJGJYLXZFJPHYMZQQYDFQJJLZZNZJCDGZYG",

        "CTXMZYSCTLKPHTXHTLBJXJLXSCDQXCBBTJFQZFSLTJBTKQBXXJJLJCHCZDBZJDCZJDCPRNPQCJPFCZLCLZXZDMXMPHJSGZ",

        "GSZZQLYLWTJPFSYASMCJBTZYYCWMYTZSJJLJCQLWZMALBXYFBPNLSFHTGJWEJJXXGLLJSTGSHJQLZFKCGNNNSZFDEQFHBS",

        "AQTGYLBXMMYGSZLDYDQMJJRGBJTKGDHGKBLQKBDMBYLXWCXYTTYBKMRTJZXQJBHLMHMJJZMQASLDCYXYQDLQCAFYWYXQHZ",

        );

    public static function utf8_to_gbk($string)//编码转换,必须转换成GB2312字符,这里只是简单的判断并不是很准确,可以自己写一个

    {

    if (mb_check_encoding($string,'gb2312'))

        return $string;

    if (function_exists('iconv'))

        return iconv("utf-8","gb2312//IGNORE",$string);

    return mb_convert_encoding($string,'gb2312','utf-8'); 

    }

    public static function conv($str)

    {

    $str = self::utf8_to_gbk($str);

    $len = strlen($str);

    $newStr = '';

    for($i=0; $i<$len ; ++$i)

    {

        $H = ord($str[$i]);

        $L = ord($str[$i+1]);

        //字符集非法

        if ($H < 0xB0 ||  $L < 0xA1 || $H > 0xF7 || $L == 0xFF)

        {

        $newStr = $str[$i];

        continue;

        }

        if ($H < 0xD8)//($H >= 0xB0 && $H <=0xD7)//查询文字在一级汉字区(16-55)

        {

        $W = ($H << 8) | $L;

        foreach(self::$FirstTable as $key=>$value)

        {

            if ($W < $value)

            {

            $newStr = self::$FirstLetter[$key];

            break;

            }

        }

        }

        else// if (H >= 0xD8 && H <= 0xF7)//查询中文在二级汉字区(56-87)

        $newStr =self::$SecondTable[$H - 0xD8][$L-0xA1];

        ++$i;

    }

    return $newStr;

    }

}

echo zh2py::conv('妃');//F

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