使用JQLite重置CSS hover下拉菜单

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.7.9/angular.min.js"></script>

<style>
.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown:hover .dropdown-content {
  display: block;
}
</style>

<div class="dropdown">
  <button>下拉菜单</button>
  <div class="dropdown-content">
    <a href="#">菜单项1</a>
    <a href="#">菜单项2</a>
    <a href="#">菜单项3</a>
  </div>
</div>

<script>
angular.element(document).ready(function() {
  var dropdown = angular.element('.dropdown');
  dropdown.on('mouseenter', function() {
    angular.element(this).find('.dropdown-content').css('display', 'block');
  });
  dropdown.on('mouseleave', function() {
    angular.element(this).find('.dropdown-content').css('display', 'none');
  });
});
</script>