ajax案例 解决异步传输中文乱码问题

<?php /************************************************ * response ajax request *************************************************/ class Ajax { /* 传递过来的数据 */ protected $postInfo; /* 处理后的数据 */ private $ajaxInfo; /* 编码 */ protected $encode; /* 初始化编码和接收的数据, 将接收的数据解码 * @param $info 接收的数据 * @param $encode 编码 */ public function __construct($encode = 'utf-8') { $this->encode = $encode; $this->postInfo = empty($_POST) ? (empty($_GET) ? '' : $_GET) : $_POST; if(is_array($this->postInfo)) { foreach ($this->postInfo as $key => $val) { $this->ajaxInfo[$key] = $this->unescape($val); } } else { $this->ajaxInfo = $this->unescape($info); } } /* get $ajaxInfo */ protected function getVal() { return $this->ajaxInfo; } /* 对接收数据进行操作 */ public function doInsertVal() {} /* 返回数据 */ public function doReqVal() {} /* 解码 js unescape() */ public function unescape($str) { $str = rawurldecode($str); preg_match_all("/%u.{4}|&#x.{4};|&#d+;|.+/U",$str,$r); $ar = $r[0]; foreach($ar as $k => $v) { if(substr($v,0,2) == "%u") { $restr = substr($v, -4); if (!eregi("WIN", PHP_OS)){ $restr=substr($restr, 2, 2).substr($restr, 0, 2); } $ar[$k] = iconv("UCS-2", $this->encode, pack("H4", $restr)); } elseif (substr($v, 0, 3) == "&#x") { $ar[$k] = iconv("UCS-2", $this->encode, pack("H4",substr($v,3,-1))); } elseif(substr($v, 0, 2) == "&#") { $ar[$k] = iconv("UCS-2", $this->encode, pack("n",substr($v,2,-1))); } } return join('',$ar); } /* 编码 js escape() */ public function escape($str) { $sublen=strlen($str); $reString=""; for ($i=0;$i<$sublen;$i++){ if(ord($str[$i])>=127){ $tmpString=bin2hex(iconv($this->encode,"ucs-2",substr($str,$i,2))); //此处GBK为目标代码的编码格式，请实际情况修改 if (!eregi("WIN",PHP_OS)){ $tmpString=substr($tmpString,2,2).substr($tmpString,0,2); } $reString.="%u".$tmpString; $i++; } else { $reString.="%".dechex(ord($str[$i])); } } return $reString; } } ?>