<div ng-controller="MyCtrl">
  <button ng-click="show=true">show</button>
  <dialog title="Hello }"
      visible="}"
      on-cancel="show=false;"
      on-ok="show=false;parentScope();">
    <!--上面的on-cancel、on-ok，是在directive的isoloate scope中通過&引用的。
    如果表達(dá)式中包含函數(shù)，那么需要將函數(shù)綁定在parent scope（當(dāng)前是MyCtrl的scope）中-->
    Body goes here: username:} , title:}.
    <ul>
      <!--這里還可以這么玩~names是parent scope的-->
      <li ng-repeat="name in names">}</li>
    </ul>
    <div>
      Email:<input type="text" ng-model="email" style="width: 200px;height:20px"/>
    </div>
    <div>
      Count:<input type="text" ng-model="person.Count" style="width: 120px;height:20px"/>
      <button ng-click="changeCount()">Count加1</button>
    </div>
    <p></p>
  </dialog>
</div>

var app = angular.module("Dialog", []);
app.controller("MyCtrl", function ($scope) {
    $scope.person = {
      Count: 0
    };
    $scope.email = 'carl@126.com';
    $scope.names = ["name1", "name2", "name3"];
    $scope.show = false;
    $scope.username = "carl";
    $scope.title = "parent title";
    $scope.parentScope = function () {
      alert("scope里面通過&定義的東東，是在父scope中定義");
    };
    $scope.changeCount = function () {
      $scope.person.Count = $scope.person.Count + 1;
    }
    // 監(jiān)聽controller count變更, 并發(fā)出事件廣播,再directive 中 監(jiān)聽count CountStatusChange變更事件
    $scope.$watch('person.Count', function (newVal, oldVal) {
      console.log('>>>parent Count change:' + $scope.person.Count);
      if (newVal != oldVal) {
        console.log('>>>parent $broadcast count change');
        $scope.$broadcast('CountStatusChange', {"val": newVal})
      }
    });
});
app.directive('dialog', function factory() {
    return {
      priority: 100,
      template: ['<div ng-show="visible">',
        '  <h3>}</h3>',
        '  <div class="body" ng-transclude></div>',
        '  <div class="footer">',
        '    <button ng-click="onOk()">OK</button>',
        '    <button ng-click="onCancel()">Close</button>',
        '  </div>',
        '</div>'].join(""),
      replace: false,
      transclude: true,
      restrict: 'E',
      scope: {
        title: "@",//引用dialog標(biāo)簽title屬性的值
        visible: "@",//引用dialog標(biāo)簽visible屬性的值
        onOk: "&",//以wrapper function形式引用dialog標(biāo)簽的on-ok屬性的內(nèi)容
        onCancel: "&"http://以wrapper function形式引用dialog標(biāo)簽的on-cancel屬性的內(nèi)容
      },
      controller: ['$scope', '$attrs', function ($scope, $attrs) {
        // directive scope title 通過@ 引用dialog標(biāo)簽title屬性的值，所以這里能取到值
        console.log('>>>title:' + $scope.title);
        >>>title:Hello carl scope.html:85
        // 通過$parent直接獲取父scope變量頁可以
        console.log('>>>parent username:' + $scope.$parent.username);
        >>>parent username:carl
        // directive scope 沒有定義username 變量,并且沒有引用父scope username變量, 所以這里是undefined
        console.log('>>>child username:' + $scope.username);
        >>>username:undefined
        // 接收由父controller廣播count變更事件
        $scope.$on('CountStatusChange', function (event, args) {
          console.log("child scope on(監(jiān)聽) recieve count Change event :" + args.val);
        });
        // watch 父 controller scope對象
        $scope.$parent.$watch('person.Count', function (newVal, oldVal) {
          console.log('>>>>>>>child watch parent scope[Count]:' + oldVal + ' newVal:' + newVal);
        });
      }]
    };
});