静态页面加密??? 基本上是没法做到真正保密的哦,给你个base64加密解密的方法
你自己提出来用吧
<html>
<head>
<title> base64 Encoding/Decoding </title>
</head>
<script type= "text/javascript "> <!--
var keyStr = "ABCDEFGHIJKLMNOP " +
"QRSTUVWXYZabcdef " +
"ghijklmnopqrstuv " +
"wxyz0123456789+/ " +
"= ";
function encode64(input) {
input = escape(input);
var output = " ";
var chr1, chr2, chr3 = " ";
var enc1, enc2, enc3, enc4 = " ";
var i = 0;
do {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 > > 2;
enc2 = ((chr1 & 3) < < 4) | (chr2 > > 4);
enc3 = ((chr2 & 15) < < 2) | (chr3 > > 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output +
keyStr.charAt(enc1) +
keyStr.charAt(enc2) +
keyStr.charAt(enc3) +
keyStr.charAt(enc4);
chr1 = chr2 = chr3 = " ";
enc1 = enc2 = enc3 = enc4 = " ";
} while (i < input.length);
return output;
}
function decode64(input) {
var output = " ";
var chr1, chr2, chr3 = " ";
var enc1, enc2, enc3, enc4 = " ";
var i = 0;
// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
var base64test = /[^A-Za-z0-9\+\/\=]/g;
if (base64test.exec(input)) {
alert( "There were invalid base64 characters in the input text.\n " +
"Valid base64 characters are A-Z, a-z, 0-9, '+ ', '/ ', and '= '\n " +
"Expect errors in decoding. ");
}
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, " ");
do {
enc1 = keyStr.indexOf(input.charAt(i++));
enc2 = keyStr.indexOf(input.charAt(i++));
enc3 = keyStr.indexOf(input.charAt(i++));
enc4 = keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 < < 2) | (enc2 > > 4);
chr2 = ((enc2 & 15) < < 4) | (enc3 > > 2);
chr3 = ((enc3 & 3) < < 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
chr1 = chr2 = chr3 = " ";
enc1 = enc2 = enc3 = enc4 = " ";
} while (i < input.length);
return unescape(output);
}
//--> </script>
<body>
<form name= "base64Form ">
Type in the message you want to encode in base64, or paste <br>
base64 encoded text into the text field, select Encode or Decode, <br>
and click the button! <br>
<textarea name= "theText " cols= "40 " rows= "6 "> </textarea> <br>
<input type= "button " name= "encode " value= "Encode to base64 "
onClick= "document.base64Form.theText.value=encode64(document.base64Form.theText.value); ">
<input type= "button " name= "decode " value= "Decode from base64 "
onClick= "document.base64Form.theText.value=decode64(document.base64Form.theText.value); ">
</form>
</body>
</html>