请教这种字符串如何转换？

2010-08-09 10:40:01 104 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

Ubuntu关闭更新提醒的三层控制方法：从GUI到APT配置 Linux系统更新机制本质上是包管理器（APT）驱动的自动化运维流程，其核心原理在于分离‘元数据刷新’、‘安全补丁安装’和‘用户通知’三个职能。这种分层设计既保障了基础安全性，又为系统管理员提供了策略定制空间。技术价值体现在提升生产环境稳定性、规避未经验证的内核/驱动升级风险，并支持ROS、Blender渲染、工业控制等对时序敏感的应用场景。本文聚焦Ubuntu系统入门教程中高频需求——科学关闭软件更新提醒，覆盖Ubuntu 20.04及LTS版本的GUI设置、systemd服务禁用与APT配置修改三大实操阅读详情

字符串是这样的
北京欢乐谷门票价格

在浏览器上显示的是中文北京欢乐谷门票价格
但查看源代码是北京欢乐谷门票价格

请问php如何将这种字符串转换成中文汉字，就是查看源代码的时候显示相应的汉字

...全文

PSO算法介绍结合网上的文章对PSO进行一些介绍，并附上自己复现的算法。阅读详情

tiaoti123

基础编程 21,889 成员 140,329 内容

+ 关注 + 加入社区

切换为时间正序

tiaoti123 2010-08-09

打赏
举报

非常感谢唠叨！！

Dleno 2010-08-09

打赏
举报

不知道是不是这个？



<?php

class StrFormat_F10{

	static function encode($var){

		$ascii = '';

		$strlen_var = strlen($var);

		for ($c = 0; $c < $strlen_var; ++$c) {



			$ord_var_c = ord($var{$c});



			switch (true) {

				case $ord_var_c == 0x08:

					$ascii .= '\b';

					break;

				case $ord_var_c == 0x09:

					$ascii .= '\t';

					break;

				case $ord_var_c == 0x0A:

					$ascii .= '\n';

					break;

				case $ord_var_c == 0x0C:

					$ascii .= '\f';

					break;

				case $ord_var_c == 0x0D:

					$ascii .= '\r';

					break;



				case $ord_var_c == 0x22:

				case $ord_var_c == 0x2F:

				case $ord_var_c == 0x5C:

					$ascii .= '\\'.$var{$c};

					break;



				case (($ord_var_c >= 0x20) && ($ord_var_c <= 0x7F)):

					$ascii .= $var{$c};

					break;



				case (($ord_var_c & 0xE0) == 0xC0):

					$char = pack('C*', $ord_var_c, ord($var{$c + 1}));

					$c += 1;

					$utf16 = self::utf82utf16($char);

					$ascii .= '&#'.hexdec(bin2hex($utf16)).';';

					break;



				case (($ord_var_c & 0xF0) == 0xE0):

					$char = pack('C*', $ord_var_c,

								 ord($var{$c + 1}),

								 ord($var{$c + 2}));

					$c += 2;

					$utf16 = self::utf82utf16($char);

					$ascii .= '&#'.hexdec(bin2hex($utf16)).';';

					break;



				case (($ord_var_c & 0xF8) == 0xF0):

					$char = pack('C*', $ord_var_c,

								 ord($var{$c + 1}),

								 ord($var{$c + 2}),

								 ord($var{$c + 3}));

					$c += 3;

					$utf16 = self::utf82utf16($char);

					$ascii .= '&#'.hexdec(bin2hex($utf16)).';';

					break;



				case (($ord_var_c & 0xFC) == 0xF8):

					$char = pack('C*', $ord_var_c,

								 ord($var{$c + 1}),

								 ord($var{$c + 2}),

								 ord($var{$c + 3}),

								 ord($var{$c + 4}));

					$c += 4;

					$utf16 = self::utf82utf16($char);

					$ascii .= '&#'.hexdec(bin2hex($utf16)).';';

					break;



				case (($ord_var_c & 0xFE) == 0xFC):

					$char = pack('C*', $ord_var_c,

								 ord($var{$c + 1}),

								 ord($var{$c + 2}),

								 ord($var{$c + 3}),

								 ord($var{$c + 4}),

								 ord($var{$c + 5}));

					$c += 5;

					$utf16 = self::utf82utf16($char);

					$ascii .= '&#'.hexdec(bin2hex($utf16)).';';

					break;

			}

		}



		return $ascii;

	}

	

	static function decode($var){

		$chrs = $var;

		$utf8 = '';

		$strlen_chrs = strlen($chrs);



		for ($c = 0; $c < $strlen_chrs; $c++) {



			$substr_chrs_c_2 = substr($chrs, $c, 2);

			$ord_chrs_c = ord($chrs{$c});



			switch (true) {

				case $substr_chrs_c_2 == '\b':

					$utf8 .= chr(0x08);

					++$c;

					break;

				case $substr_chrs_c_2 == '\t':

					$utf8 .= chr(0x09);

					++$c;

					break;

				case $substr_chrs_c_2 == '\n':

					$utf8 .= chr(0x0A);

					++$c;

					break;

				case $substr_chrs_c_2 == '\f':

					$utf8 .= chr(0x0C);

					++$c;

					break;

				case $substr_chrs_c_2 == '\r':

					$utf8 .= chr(0x0D);

					++$c;

					break;



				case $substr_chrs_c_2 == '\\"':

				case $substr_chrs_c_2 == '\\\'':

				case $substr_chrs_c_2 == '\\\\':

				case $substr_chrs_c_2 == '\\/':

					if (($delim == '"' && $substr_chrs_c_2 != '\\\'') ||

					   ($delim == "'" && $substr_chrs_c_2 != '\\"')) {

						$utf8 .= $chrs{++$c};

					}

					break;



				case preg_match('/\&\#[0-9]{5};/i', substr($chrs, $c, 8)):

					$tmpstr=substr($chrs, $c, 8);

					$tmpstr=dechex(substr($tmpstr, 2, 5));

					$utf16 = chr(hexdec(substr($tmpstr, 0, 2)))

						   . chr(hexdec(substr($tmpstr, 2, 2)));

					$utf8 .= self::utf162utf8($utf16);

					$c += 7;

					break;



				case ($ord_chrs_c >= 0x20) && ($ord_chrs_c <= 0x7F):

					$utf8 .= $chrs{$c};

					break;



				case ($ord_chrs_c & 0xE0) == 0xC0:

					$utf8 .= substr($chrs, $c, 2);

					++$c;

					break;



				case ($ord_chrs_c & 0xF0) == 0xE0:

					$utf8 .= substr($chrs, $c, 3);

					$c += 2;

					break;



				case ($ord_chrs_c & 0xF8) == 0xF0:

					$utf8 .= substr($chrs, $c, 4);

					$c += 3;

					break;



				case ($ord_chrs_c & 0xFC) == 0xF8:

					$utf8 .= substr($chrs, $c, 5);

					$c += 4;

					break;



				case ($ord_chrs_c & 0xFE) == 0xFC:

					$utf8 .= substr($chrs, $c, 6);

					$c += 5;

					break;



			}



		}



		return $utf8;	

	}



	static function utf82utf16($utf8){

        if(function_exists('mb_convert_encoding')) {

            return mb_convert_encoding($utf8, 'UTF-16', 'UTF-8');

        }



        switch(strlen($utf8)) {

            case 1:

                return $utf8;



            case 2:

                return chr(0x07 & (ord($utf8{0}) >> 2))

                     . chr((0xC0 & (ord($utf8{0}) << 6))

                         | (0x3F & ord($utf8{1})));



            case 3:

                return chr((0xF0 & (ord($utf8{0}) << 4))

                         | (0x0F & (ord($utf8{1}) >> 2)))

                     . chr((0xC0 & (ord($utf8{1}) << 6))

                         | (0x7F & ord($utf8{2})));

        }

        return '';

	}

	

	static function utf162utf8($utf16){

        if(function_exists('mb_convert_encoding')) {

            return mb_convert_encoding($utf16, 'UTF-8', 'UTF-16');

        }

        $bytes = (ord($utf16{0}) << 8) | ord($utf16{1});

        switch(true) {

            case ((0x7F & $bytes) == $bytes):

                return chr(0x7F & $bytes);



            case (0x07FF & $bytes) == $bytes:

                return chr(0xC0 | (($bytes >> 6) & 0x1F))

                     . chr(0x80 | ($bytes & 0x3F));



            case (0xFFFF & $bytes) == $bytes:

                return chr(0xE0 | (($bytes >> 12) & 0x0F))

                     . chr(0x80 | (($bytes >> 6) & 0x3F))

                     . chr(0x80 | ($bytes & 0x3F));

        }

        return '';

    }

}

?>

xuzuning 2010-08-09

打赏
举报

/**
* php版的javascript同名函数
**/
if(! function_exists("unescape")):
function unescape($str) {
$str = rawurldecode($str);
preg_match_all("/%u.{4}|&#x.{4};|&#\d+;|&#\d+?|.+/U",$str,$r);
$ar = $r[0];
foreach($ar as $k=>$v) {
if(substr($v,0,2) == "%u")
$ar[$k] = iconv("UCS-2","GBK",pack("H4",substr($v,-4)));
elseif(substr($v,0,3) == "&#x")
$ar[$k] = iconv("UCS-2","GBK",pack("H4",substr($v,3,-1)));
elseif(substr($v,0,2) == "&#") {
$ar[$k] = iconv("UCS-2","GBK",pack("n",preg_replace("/[^\d]/","",$v)));
}
}
return join("",$ar);
}
endif;

$s = '北京欢乐谷门票价格';
echo unescape($s);

CunningBoy 2010-08-09

打赏
举报

查看源代码的时候，在最前面应该有一行,类似下面的代码

<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

确定你的这个网页的charset是什么，然后在php中用下面的语句转换输出：

$newStr = iconv("网页的charset", "gbk", $string);

请教这种字符串如何转换？

相关推荐