angularjs怎么编写一个公共的弹出层插件？

点击页面上某个按钮，弹出类似bootstrap的模态对话框。
点击对话框上的确定按钮，会传递数据到页面上展示。

求具体实现代码，重用性要高，维护性要好！

http://angular-ui.github.io/bootstrap/

编写一个模态对话框要引入 ui-bootstrap-tpls-0.12.1.min.js，个人不建议这么做自己写一个组件就几行代码可以实现这些效果样式倒是可以用bootstrap的。自己写组件比用别人的更灵活能把控的住而且可以提升自身能力，下面就是我用directive写的弹窗具体的代码后面提供，

下面是AngularUI上的例子，有几点需要注意的地方

不要忘了引用bootstrap.css和ui.bootstrapmodule

不要忘了template

<html ng-app="ui.bootstrap.demo">
    <head>
        <script src="angular.js"></script>
        <script src="ui-bootstrap-tpls-0.12.1.min.js"></script>
        <link href="bootstrap/css/bootstrap.min.css" rel="stylesheet">
        </head>
        <body>

            <div ng-controller="ModalDemoCtrl">
                <script type="text/ng-template" id="myModalContent.html">
                    <div class="modal-header">
                        <h3 class="modal-title">I'm a modal!</h3>
                    </div>
                    <div class="modal-body">
                        <ul>
                            <li ng-repeat="item in items">
                                <a ng-click="selected.item = item">{{ item }}</a>
                            </li>
                        </ul>
                        Selected: <b>{{ selected.item }}</b>
                    </div>
                    <div class="modal-footer">
                        <button class="btn btn-primary" ng-click="ok()">OK</button>
                        <button class="btn btn-warning" ng-click="cancel()">Cancel</button>
                    </div>
                </script>

                <button class="btn btn-default" ng-click="open()">Open me!</button>
                <button class="btn btn-default" ng-click="open('lg')">Large modal</button>
                <button class="btn btn-default" ng-click="open('sm')">Small modal</button>
                <div ng-show="selected">Selection from a modal: {{ selected }}</div>
            </div>
        </body>
<script>
angular.module('ui.bootstrap.demo',['ui.bootstrap'])
.controller('ModalDemoCtrl', function($scope, $modal, $log) {

  $scope.items = ['item1', 'item2', 'item3'];

  $scope.open = function(size) {

    var modalInstance = $modal.open({
      templateUrl: 'myModalContent.html',
      controller: 'ModalInstanceCtrl',
      size: size,
      resolve: {
        items: function() {
          return $scope.items;
        }
      }
    });

    modalInstance.result.then(function(selectedItem) {
      $scope.selected = selectedItem;
    }, function() {
      $log.info('Modal dismissed at: ' + new Date());
    });
  };
})
.controller('ModalInstanceCtrl', function($scope, $modalInstance, items) {

  $scope.items = items;
  $scope.selected = {
    item: $scope.items[0]
  };

  $scope.ok = function() {
    $modalInstance.close($scope.selected.item);
  };

  $scope.cancel = function() {
    $modalInstance.dismiss('cancel');
  };
});
</script>       
</html>

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