证书验证

验证

<script>
    function checkCert() {
        const serial = document.getElementById('serial').value;
        const result = document.getElementById('result');
        
        if(!serial) {
            result.innerHTML = "请输入证书编号";
            return;
        }
        
        // 简单模拟验证
        if(serial.length > 5) {
            result.innerHTML = "验证通过 ✅";
            result.style.color = "green";
        } else {
            result.innerHTML = "验证失败 ❌";
            result.style.color = "red";
        }
    }
</script>