angular.module('app.component', []).directive('select', function () {

  return {

    restrict: 'E',

    scope: {

      currentValue: '=',

      list: '=',

      isDisabled: '=',

      select: '&onSelec'

    },

    templateUrl: 'select.html',

    replace: true,

    link($scope) {

      const id = new Date().getTime().toString()

      $scope.id = $scope.id || `e-tax-cloud-select${id}`

      $scope.currentValue = $scope.currentValue || {}

      $scope.list = $scope.list || []

      $scope.isShow = false

      $scope.toggleList = () => {

        if (!$scope.isDisabled) {

          $scope.isShow = !$scope.isShow

        }

      }

      $scope.chooseItem = (item) => {

        if ($scope.currentValue !== item) {

          $scope.currentValue = item

          if (typeof $scope.select === 'function') {

            $scope.select()

          }

        }

        $scope.toggleList()

      }

     },

    }

  })

页面代码:

<div class="select" ng-class="{ disabled: !!isDisabled, 'have-list': isShow }" id="{{id}}" ng-mouseleave="isShow = false">   <div class="select-label" ng-click="toggleList()">

    <span class="text" title="{{currentValue[name]}}">{{currentValue[name]}}</span>

    <span class="icon icon-arrow-{{isShow ? 'up' : 'down'}}"></span>

  </div>

  <ul class="select-list" ng-show="isShow">

    <li ng-repeat="item in list track by $index" ng-class="{ active: item[key] === currentValue[key], disabled: !!item.disabled }" ng-click="chooseItem(item)" >

      <span title="{{item[name]}}">{{item[name]}}</span>

    </li>

  </ul>

</div>

样式:

.select { position: relative; width: 100%; height: 32px; line-height: 32px; color: #666; cursor: pointer; box-sizing: border-box;border: 1px solid #dbdbdb; border-radius: 6px;

 

  &.disabled { cursor: not-allowed; }

  .select-label { display: inline-flex; width: 100%;

    .text { width: calc(100% - 20px); text-align: left;padding-left: 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }     .icon { width: 20px; text-align: right; padding-right: 8px;} }

     .select-list { position: absolute; top: 32px; left: 0; width: 100%; min-width: 120px; min-height: 32px; max-height: 320px; overflow-y: auto; z-index: 9999; box-shadow: 0px 1px 5px 0px rgba(0,0,0,0.1); border: 1px solid #dbdbdb; border-radius: 8px; background-color: @background-color;

      li { width: 100%; height: 32px; line-height: 32px; text-align: left; padding: 0 8px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;

        &.active { background-color: #efef69; color: #fff; }

        &:hover { color: #000; background-color: #232323; }

        &.disabled { cursor: not-allowed; } } } 

&.have-list { border-bottom: none; border-bottom-left-radius: 0; border-bottom-right-radius: 0; .select-list { border-top-left-radius: 0; border-top-right-radius: 0; } } }