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php的汉字转换：GBK至Unicode(UTF8)


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php的汉字转换：GBK至Unicode(UTF8)


php的汉字转换一直是比较麻烦的事

该类内置了四个函数"htmlHex","htmlDec","escape","u2utf8"
方便用户的使用，同时也可自定义函数进行自己喜欢的操作

qswhGBK.php 从这里下载
http://www.blueidea.com/user/qswh/qswhGBK.zip

class qswhGBK{
var $qswhData;
function qswhGBK($filename="qswhGBK.php"){
$this->qswhData=file($filename);
}
function gb2u($gb,$callback=""){
/******(qiushuiwuhen 2002-8-15)******/
$ret="";
for($i=0;$iif(($p=ord(substr($gb,$i,1)))>127){

$q=ord(substr($gb,++$i,1));
$q=($q-($q>128?65:64))*4;
$q=substr($this->qswhData[$p-128],$q,4);
}
else
$q=dechex($p);
if(empty($callback))
$ret.=$q;
else {
$arr=array("htmlHex","htmlDec","escape","u2utf8");
if(is_integer($callback)){
if($callback>count($arr))die("Invalid Function");
$ret.=$this->$arr[$callback-1]($q);
}else
$ret.=$callback($q);
}
}
return $ret;
}

function htmlHex($str){
return "&#x".$str.";";
}

function htmlDec($str){
return "&#".hexdec($str).";";
}

function escape($str){
return hexdec($str)<256?chr(hexdec($str)):"%u".$str;
}

function u2utf8($str){
/******(qiushuiwuhen 2002-8-15)******/
$sp="!'()*-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~";
$dec=hexdec($str);
$bin=decbin($dec);
$len=strlen($bin);
$arr=array("c0","e0","f0");
if($dec>0x7f){
$ret="";
for($i=$len,$j=-1;$i>=0;$i-=6,$j++){
if($i>6)
$ret="%".dechex(0x80+bindec(substr($bin,$i-6,6))).$ret;
else
$ret="%".dechex(hexdec($arr[$j])+bindec(substr($bin,0,6-$i))).$ret;
}
}else{
if(strpos($sp,chr($dec)))
$ret=chr($dec);
else
$ret="%".strtolower($str);
}
return $ret;
}
}


使用范例

$words="中文Abc";
function ex($str){return "[".$str."]";}


$qswh=new qswhGBK("qswhGBK.php");//如果文件名是qswhGBK.php,可省参数

echo("

不带参数:".$qswh->gb2u($words)); <br />echo("\n调用内置函数htmlHex:".$qswh->gb2u($words,1)); <br />echo("\n调用内置函数htmlDec:".$qswh->gb2u($words,2)); <br />echo("\n调用内置函数escape:".$qswh->gb2u($words,3)); <br />echo("\n调用内置函数u2utf8:".$qswh->gb2u($words,4)); <br />echo("\n调用自定义函数:".$qswh->gb2u($words,ex)); <br /></p> <p><br />效果如下： <br /><br />不带参数:4E2D6587416263 <br />调用内置函数htmlHex:&#x4E2D;&#x6587;&#x41;&#x62;&#x63; <br />调用内置函数htmlDec:&#20013;&#25991;&#65;&#98;&#99; <br />调用内置函数escape:%u4E2D%u6587Abc <br />调用内置函数u2utf8:%e4%b8%ad%e6%96%87Abc <br />调用自定义函数:[4E2D][6587][41][62][63]</p> <p align="left"><div style="display:none;"><span id="url" itemprop="url">/phpyy/9783.html</span><span id="indexUrl" itemprop="indexUrl">www.phpzy.com</span><span id="isOriginal" itemprop="isOriginal">true</span><span id="isBasedOnUrl" itemprop="isBasedOnUrl">/phpyy/9783.html</span><span id="genre" itemprop="genre">TechArticle</span><span id="description" itemprop="description">php的汉字转换：GBK至Unicode(UTF8) php的汉字转换一直是比较麻烦的事 该类内置了四个函数"htmlHex","htmlDec","escape","u2utf8" 方便用户的使用，同时也可自定义函数进行自己喜欢的操作 qswhGBK.p...</span></div></p></div> <div class="art_confoot"><script src='http://www.phpzy.com/ad/art_confoot.js' type="text/javascript"></script></div> <div class="page"></div> <div class="post-related"> <h3 class="tit_3">相关文章</h3><div class="clearfix m_5"> <ul> <li><a href='/phpyy/9782.html' title='[PHP]进程篇' target='_blank'>[PHP]进程篇</a></li><li><a href='/phpyy/9781.html' title='变量的变量，PHP和你' target='_blank'>变量的变量，PHP和你</a></li><li><a href='/phpyy/9780.html' title='PHP高级技巧全放送（上）' target='_blank'>PHP高级技巧全放送（上）</a></li><li><a href='/phpyy/9779.html' title='用php聊QQ' target='_blank'>用php聊QQ</a></li><li><a href='/phpyy/9778.html' title='用封装类来合理的设计PHP项目--谈PHP项目中类的封' target='_blank'>用封装类来合理的设计PHP项目--谈PHP项目</a></li><li><a href='/phpyy/9777.html' title='php代码优化及php相关问题总结' target='_blank'>php代码优化及php相关问题总结</a></li></ul></div> </div> <div class="option-btns"> <div class="art_confoot"><script 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