浏览器禁止后退

code

<script type="text/javascript">
    $(document).ready(function () {
    if (window.history && window.history.pushState) {
      $(window).on('popstate', function () {
        window.history.pushState('forward', null, '#');
        window.history.forward(1);
      });
    }
    window.history.pushState('forward', null, '#'); //在IE中必须得有这两行
    window.history.forward(1);
    });
</script>