哪位大侠能不能发一分 javascript 写的base64转换代码给我，谢谢

来源：百度知道 编辑：UC知道 时间：2024/06/14 07:07:48
哪位大侠能不能发一分 javascript 写的base64转换代码给我，谢谢

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript">
<!--
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

//将Ansi编码的字符串进行Base64编码
function Encode64(str){

var ary = [];
var chr1, chr2, chr3 = "";
var enc1, enc2, enc3, enc4 = "";
var i = 0 ,len = str.length;

do{
chr1 = str.charCodeAt(i++);
chr2 = str.charCodeAt(i++);
chr3 = str.charCodeAt(i++);

enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) <<