//var aesKey  = 'rjBFAaHsNkKAhpoi';  //密钥

//AES-128-CBC加密模式，key需要为16位，key和iv可以一样
function getAesString(data,key0,iv0){//加密
	key0=key0.replace(/(^\s+)|(\s+$)/g, "");
	var key  = CryptoJS.enc.Utf8.parse(key0);
	var iv   = CryptoJS.enc.Utf8.parse(iv0);
	var encrypted =CryptoJS.AES.encrypt(data,key,
		{
			iv:iv,
			mode:CryptoJS.mode.CBC,
			padding:CryptoJS.pad.Pkcs7
		});
	return encrypted.toString();    //返回的是base64格式的密文
}

function encryptAES(data,aesKey){ //加密
	if(!aesKey){
		return data;
	}
	var encrypted =getAesString(randomString(64)+data,aesKey,randomString(16)); //密文
	return encrypted;
}

var $aes_chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678';/****默认去掉了容易混淆的字符oOLl,9gq,Vv,Uu,I1****/
var aes_chars_len = $aes_chars.length;
function randomString(len) {
	var retStr = '';
	for (i = 0; i < len; i++) {
		retStr += $aes_chars.charAt(Math.floor(Math.random() * aes_chars_len));
	}
	return retStr;
}