问打印页面后，window.print()删除复选框中的复选标记

EN

<style>
  @media print {
  #printpage {
    display: none;
  }
  #submit {
    display: none;
  }
  .noprint {
    display: none;
  }
  input[type=checkbox], input[type=radio] {
        opacity: 1 !important;
    }
}
</style>

<div class="row">
    <div class="col-lg-12">
        <div class="form-group i-checks">
            <input type="checkbox" name="poa" id="poa" />
            <strong><a href="forms/poa.cfm" target="_blank">Power of Attorney - if applicable (click here to print)</a></strong>
        </div>
    </div>
</div>

    <button class="btn-u btn-u-orange"  onclick="printChecklist()" name="printpage" id="printpage" ><i class="icon-printer"></i> Print Checklist</button>

    <script>
    function printChecklist() {
        window.print();
    }
    </script>