js传职中文乱码解决

// 获取js传值
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 ( $v, 0, 2 ) == "%u")$ar [$k] = iconv ( "UCS-2", "UTF-8", pack ( "H4", substr ( $v, - 4 ) ) );
elseif (substr ( $v, 0, 3 ) == "&#x") $ar [$k] = iconv ( "UCS-2", "UTF-8", pack ( "H4", substr ( $v, 3, - 1 ) ) );
elseif (substr ( $v, 0, 2 ) == "&#") {
$ar [$k] = iconv ( "UCS-2", "UTF-8", pack ( "n", substr ( $v, 2, - 1 ) ) );
}
}
return join ( "", $ar );
}