base64.js

Base64加密解密的javascript版本

    return output;
}

function decode64(input)
{
  var output = "";
  var chr1, chr2, chr3 = "";
  var enc1, enc2, enc3, enc4 = "";
  var i = 0;
      
      if(input.length%4!=0)
      {
                return "";
      }
  var base64test = /[^A-Za-z0-9\+\/\=]/g;
      if (base64test.exec(input))
      {
                return "";
      }