ajax如何传中文参数乱码解决办法

参数是中文encodeuricomponent这个方法必须调用两次
*/

function utf8rawurldecode ($source) {
$decodedstr = "";
$pos = 0;
$len = strlen ($source);
while ($pos $charat = substr ($source, $pos, 1);
if ($charat == '%') {
$pos++;
$charat = substr ($source, $pos, 1);
if ($charat == 'u') {
// we got a unicode character
$pos++;
$unicodehexval = substr ($source, $pos, 4);
$unicode = hexdec ($unicodehexval);
$entity = "". $unicode . ';';
$decodedstr .= utf8_encode ($entity);
$pos += 4;
}
else {
// we have an escaped ascii character
$hexval = substr ($source, $pos, 2);
$decodedstr .= chr (hexdec ($hexval));
$pos += 2;
}
} else {
$decodedstr .= $charat;
$pos++;
}
}
return $decodedstr;
}