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PHP Chinese character transcoding GBK->Unicode (UTF8) encoding conversion

WBOY
WBOYOriginal
2016-07-25 08:53:531693browse
  2. //php汉字转码 GBK->Unicode(UTF8)
  3. class qswhGBK{
  4. var $qswhData;
  5. function qswhGBK($filename="qswhGBK.php"){
  6. $this->qswhData=file($filename);
  7. }
  8. function gb2u($gb,$callback=""){
  9. /******(qiushuiwuhen 2002-8-15)******/
  10. $ret="";
  11. for($i=0;$i if(($p=ord(substr($gb,$i,1)))>127){
  13. $q=ord(substr($gb,++$i,1));
  14. $q=($q-($q>128?65:64))*4;
  15. $q=substr($this->qswhData[$p-128],$q,4);
  16. }
  17. else
  18. $q=dechex($p);
  19. if(empty($callback))
  20. $ret.=$q;
  21. else {
  22. $arr=array("htmlHex","htmlDec","escape","u2utf8");
  23. if(is_integer($callback)){
  24. if($callback>count($arr))die("Invalid Function");
  25. $ret.=$this->$arr[$callback-1]($q);
  26. }else
  27. $ret.=$callback($q);
  28. }
  29. }
  30. return $ret;
  31. }
  33. function htmlHex($str){
  34. return "".$str.";";
  35. } // 程序员之家 bbs.it-home.org
  37. function htmlDec($str){
  38. return "".hexdec($str).";";
  39. }
  41. function escape($str){
  42. return hexdec($str)<256?chr(hexdec($str)):"%u".$str;
  43. }
  45. function u2utf8($str){
  46. /******(qiushuiwuhen 2002-8-15)******/
  47. $sp="!'()*-.0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz~";
  48. $dec=hexdec($str);
  49. $bin=decbin($dec);
  50. $len=strlen($bin);
  51. $arr=array("c0","e0","f0");
  52. if($dec>0x7f){
  53. $ret="";
  54. for($i=$len,$j=-1;$i>=0;$i-=6,$j++){
  55. if($i>6)
  56. $ret="%".dechex(0x80+bindec(substr($bin,$i-6,6))).$ret;
  57. else
  58. $ret="%".dechex(hexdec($arr[$j])+bindec(substr($bin,0,6-$i))).$ret;
  59. }
  60. }else{
  61. if(strpos($sp,chr($dec)))
  62. $ret=chr($dec);
  63. else
  64. $ret="%".strtolower($str);
  65. }
  66. return $ret;
  67. }
  68. }
复制代码

调用例子：

  3. $words="中文Abc";

  4. function ex($str){return "[".$str."]";}

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

  6. echo("

    不带参数:".$qswh->gb2u($words));</li> <li>echo("/n调用内置函数htmlHex:".$qswh->gb2u($words,1));</li> <li>echo("/n调用内置函数htmlDec:".$qswh->gb2u($words,2));</li> <li>echo("/n调用内置函数escape:".$qswh->gb2u($words,3));</li> <li>echo("/n调用内置函数u2utf8:".$qswh->gb2u($words,4));</li> <li>echo("/n调用自定义函数:".$qswh->gb2u($words,ex));</p></li> <li> </ol></div> <em onclick="copycode($('code_sd4'));">复制代码</em> </div> <p>效果： </p> 不带参数:4E2D6587416263 调用内置函数htmlHex:中文Abc 调用内置函数htmlDec:中文Abc 调用内置函数escape:%u4E2D%u6587Abc 调用内置函数u2utf8:%e4%b8%ad%e6%96%87Abc 调用自定义函数:[4E2D][6587][41][62][63]</td></tr></table> <div id="comment_46856" class="cm"> </div> <div id="post_rate_div_46856"></div> <br><br></div><div class="nphpQianMsg"><div class="clear"></div></div><div class="nphpQianSheng"><span>Statement：</span><div>The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn</div></div></div><div class="nphpSytBox"><span>Previous article：<a class="dBlack" title="Examples of php encoding conversion methods" href="https://m.php.cn/faq/315476.html">Examples of php encoding conversion methods</a></span><span>Next article：<a class="dBlack" title="Examples of php encoding conversion methods" href="https://m.php.cn/faq/315478.html">Examples of php encoding conversion methods</a></span></div><div class="nphpSytBox2"><div class="nphpZbktTitle"><h2>Related articles</h2><em><a href="https://m.php.cn/article.html" class="bBlack"><i>See more</i><b></b></a></em><div class="clear"></div></div><ul class="nphpXgwzList"><li><b></b><a href="https://m.php.cn/faq/1.html" title="How to use cURL to implement Get and Post requests in PHP" class="aBlack">How to use cURL to implement Get and Post requests in PHP</a><div class="clear"></div></li><li><b></b><a href="https://m.php.cn/faq/1.html" title="How to use cURL to implement Get and Post requests in PHP" class="aBlack">How to use cURL to implement Get and Post requests in PHP</a><div class="clear"></div></li><li><b></b><a href="https://m.php.cn/faq/1.html" title="How to use cURL to implement Get and Post requests in PHP" class="aBlack">How to use cURL to implement Get and Post requests in PHP</a><div class="clear"></div></li><li><b></b><a href="https://m.php.cn/faq/1.html" title="How to use cURL to implement Get and Post requests in PHP" class="aBlack">How to use cURL to implement Get and Post requests in PHP</a><div class="clear"></div></li><li><b></b><a href="https://m.php.cn/faq/2.html" title="All expression symbols in regular expressions (summary)" class="aBlack">All expression symbols in regular expressions (summary)</a><div class="clear"></div></li></ul></div></div><footer><div class="footer"><div class="footertop"><img src="/static/imghwm/logo.png" alt=""><p>Public welfare online PHP training，Help PHP learners grow quickly！</p></div><div class="footermid"><a href="https://m.php.cn/about/us.html">About us</a><a href="https://m.php.cn/about/disclaimer.html">Disclaimer</a><a href="https://m.php.cn/update/article_0_1.html">Sitemap</a></div><div class="footerbottom"><p> © php.cn All rights reserved </p></div></div></footer><script>isLogin = 0;</script><script type="text/javascript" src="/static/layui/layui.js"></script><script type="text/javascript" src="/static/js/global.js?4.9.47"></script></div><script src="https://vdse.bdstatic.com//search-video.v1.min.js"></script><link rel='stylesheet' id='_main-css' href='/static/css/viewer.min.css' type='text/css' media='all'/><script type='text/javascript' src='/static/js/viewer.min.js?1'></script><script type='text/javascript' src='/static/js/jquery-viewer.min.js'></script><script>jQuery.fn.wait = function (func, times, interval) { var _times = times || -1, //100次 _interval = interval || 20, //20毫秒每次 _self = this, _selector = this.selector, //选择器 _iIntervalID; //定时器id if( this.length ){ //如果已经获取到了，就直接执行函数 func && func.call(this); } else { _iIntervalID = setInterval(function() { if(!_times) { //是0就退出 clearInterval(_iIntervalID); } _times <= 0 || _times--; //如果是正数就 -- _self = $(_selector); //再次选择 if( _self.length ) { //判断是否取到 func && func.call(_self); clearInterval(_iIntervalID); } }, _interval); } return this; } $("table.syntaxhighlighter").wait(function() { $('table.syntaxhighlighter').append("<p class='cnblogs_code_footer'><span class='cnblogs_code_footer_icon'></span></p>"); }); $(document).on("click", ".cnblogs_code_footer",function(){ $(this).parents('table.syntaxhighlighter').css('display','inline-table');$(this).hide(); }); $('.nphpQianCont').viewer({navbar:true,title:false,toolbar:false,movable:false,viewed:function(){$('img').click(function(){$('.viewer-close').trigger('click');});}}); </script></body></html>