/**
 * rsa数据加密
 * @param data
 * @returns {string}
 */
function rsaPwd(data) {
    if (null == data || data.length == 0){

    }else {
        var rsa = new JSEncrypt();
        rsa.setPublicKey(pubkey);
        var rsadata = rsa.encrypt(data);
        return rsadata;
    }
}