在Angular外部使用js调用Angular控制器中提供的函数方法或变量

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博主在流程设计器中遇到的问题，在此记录一下

流程设计器使用Angular整合的，现遇到一个bug解决办法需要在html中添加onmousedown方法，然后在js中调用Angular里面写好的关闭弹框方法，现简化的代码如下：

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<div class="modal" ng-controller="KisBpmAssignmentPopupCtrl" onmousedown="checkM(event)">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true" ng-click="close()">&times;</button>
                <h2 translate>PROPERTY.ASSIGNMENT.TITLE</h2>
            </div>
            <div class="modal-body">
                <div class="row row-no-gutter">
                    <div class="form-group">
                    	<label for="groupField">{{'PROPERTY.ASSIGNMENT.CANDIDATE_GROUPS' | translate}}</label>
                        <div id="groupField" ng-repeat="candidateGroup in assignment.candidateGroups">

                            <ui-select ng-model="candidateGroup.value" theme="bootstrap">
                                <ui-select-match placeholder="选择一个岗位">{{$select.selected.name}}</ui-select-match>
                                <ui-select-choices ui-disable-choice="hasSelected(item)" repeat="item in rolelist | filter: $select.search">
                                    <div ng-bind-html="item.name | highlight: $select.search"></div>
                                </ui-select-choices>
                            </ui-select>

            	          	<i class="glyphicon glyphicon-minus clickable-property" ng-click="removeCandidateGroupValue($index)"></i>
            	          	<i ng-if="$index == (assignment.candidateGroups.length - 1)" class="glyphicon glyphicon-plus clickable-property" ng-click="addCandidateGroupValue($index)"></i>
                        </div>
                        <div  ng-if="assignment.candidateGroups.length== 0">
                            <i class="glyphicon glyphicon-plus clickable-property" ng-click="addCandidateGroupValue($index)"></i>
                        </div>

                    </div>
                </div>
            
            </div>
            <div class="modal-footer">
                <button ng-click="close()" class="btn btn-primary" translate>ACTION.CANCEL</button>
                <button ng-click="save()" class="btn btn-primary" translate>ACTION.SAVE</button>
            </div>
        </div>
    </div>
</div>

<script type="application/javascript">
    function checkM(event){
        console.log(event);
        if((event.clientX < 314.4 || event.clientX > 916) || (event.clientY < 27 || event.clientY > 345)){
            console.log(" good news !");
            //通过controller来获取Angular应用
            var appElement = document.querySelector('[ng-controller=KisBpmAssignmentPopupCtrl]');
            //获取$scope变量
            var $scope = angular.element(appElement).scope();
            // 调用close方法
            $scope.close();
            // 同步到Angular控制器中
            $scope.$apply();
        }
    }
</script>

参考的博客：https://www.cnblogs.com/qubernet/p/5222494.html