我正在尝试使用类似于 Rot13 的算法在 PHP 中对字符串进行编码,然后在 JavaScript 中对字符串进行解码并进行搜索和替换。它适用于 ASCII 字符,但不适用于 Unicode。
我弄乱了附加的代码,但无法让它工作。
<?php
function strRot($str, $n) {
$len = mb_strlen($str);
$min = 0;
$max = 99999999;
$final = '';
for ($i = 0; $i < $len; $i++) {
$current = mb_ord($str[$i]);
$val = $current+$n;
if ($val >= $max) {
$val = $val - $max;
}
if ($val <= $min) {
$val = $val + $min;
}
$final .= mb_chr($val);
}
return $final;
}
?><!doctype html>
<html>
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/css/bootstrap.min.css" integrity="sha384-GJzZqFGwb1QTTN6wy59ffF1BuGJpLSa9DkKMp0DgiMDm4iYMj70gZWKYbI706tWS" crossorigin="anonymous">
<title>Hello, world!</title>
</head>
<body>
<h1>Hello, world!</h1>
<h2>Ü and ?. 棕色的狐狸跳了起来.</h2>
<p>The Hello, world! expression will be replaced.</p>
<p>Ü and ?. 棕色的狐狸跳了起来. Should be replaced too.</p>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.6/umd/popper.min.js" integrity="sha384-wHAiFfRlMFy6i5SRaxvfOCifBUQy1xHdJ/yoi7FRNXMRBu5WHdZYu1hA6ZOblgut" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.2.1/js/bootstrap.min.js" integrity="sha384-B0UglyR+jN6CkvvICOB2joaf5I4l3gm9GU6Hc1og6Ls7i6U/mkkaduKaBhlAXv9k" crossorigin="anonymous"></script>
一旦 JS 运行,它应该用解码后的数据 [索引][1] 替换数据 [索引][0]。
Helenr
蓝山帝景
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