Cookie使用の詳細(PhpおよびJavaScript用)
1970 ワード
Phpメモリ、Js取値
Jsメモリ,Php値(escapeとunescapeを用いて符号化)
// PHP
setcookie('openid',$openid);
// JavaScript
// escape unescape
function getCookieWithoutUnescape(Name) {
var search = Name + "="//
var returnvalue = "";//
if (document.cookie.length > 0) {
sd = document.cookie.indexOf(search);
if (sd!= -1) {
sd += search.length;
end = document.cookie.indexOf(";", sd);
if (end == -1)
end = document.cookie.length;
//unescape() escape() 。
returnvalue=document.cookie.substring(sd, end)
}
}
return returnvalue;
}
Jsメモリ,Php値(escapeとunescapeを用いて符号化)
// JavaScript
function setCookie(name, value) {
var exp = new Date();
exp.setTime(exp.getTime() + 100 * 1000);
document.cookie = name + "=" + escape(value) + ";path=/;domain=.daxiangtravel.com";
return true;
};
// Php
$productName = $_COOKIE['title'];
$productName = CodeUtil::unescapeUtf8($productName);
class CodeUtil{
public static function unescapeUtf8($str){
$ret = '';
$len = strlen($str);
for ($i = 0; $i < $len; $i++){
if ($str[$i] == '%' && $str[$i+1] == 'u'){
$val = hexdec(substr($str, $i+2, 4));
if ($val < 0x7f) $ret .= chr($val);
else if($val < 0x800) $ret .= chr(0xc0|($val>>6)).chr(0x80|($val&0x3f));
else $ret .= chr(0xe0|($val>>12)).chr(0x80|(($val>>6)&0x3f)).chr(0x80|($val&0x3f));
$i += 5;
}
else if ($str[$i] == '%'){
$ret .= urldecode(substr($str, $i, 3));
$i += 2;
}
else $ret .= $str[$i];
}
return $ret;
}
}