<script src="https://cdn.bootcss.com/crypto-js/3.1.9-1/crypto-js.min.js"></script>
<script src="https://cdn.bootcss.com/crypto-js/3.1.9-1/aes.min.js"></script>
<script src="https://cdn.bootcss.com/zepto/1.1.5/zepto.min.js"></script>　　

<script>
    var str="test";//加密字符串
    key = CryptoJS.enc.Utf8.parse("1111111111111111");// 秘钥
    var iv= CryptoJS.enc.Utf8.parse('1111111111111111');//向量iv
    var encrypted = CryptoJS.AES.encrypt(str, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.ZeroPadding });

    console.log(encrypted.toString());
</script>

$privateKey="1111111111111111";
$iv="1111111111111111";
$data='test';  
$encrypted=@mcrypt_encrypt(MCRYPT_RIJNDAEL_128,$privateKey,$data,MCRYPT_MODE_CBC,$iv);
//encrypted=openssl_encrypt($data,"AES-128-CBC",$privateKey,true,$iv);
echo base64_encode($encrypted);