angularJS實現(xiàn)動態(tài)添加,刪除div方法

<div class="accordion-inner">
 <div class="alert alert-info fade in" ng-repeat="permission in permissions">授權(quán)給:
 <select id="" class="grantees" disabled="" style=" margin-bottom: 3px;" ng-model="permission.grantee">
 <option value="everyone">所有人</option>
 <option value="authenUsers">已認證的用戶</option>
 <option value="me" selected="">我自己</option>
 </select>
 <input type="checkbox" checked="" class="permissions" disabled="" ng-model="permission.port1">Open/Download
 <input type="checkbox" checked="" class="permissions" disabled="" ng-model="permission.port2">View Permissions
 <input type="checkbox" checked="" class="permissions" disabled="" ng-model="permission.port3">Edit Permissions
 <button class="btn" type="button" style="float: right;" ng-click="delPermission($index)">刪除</button>
 </div>
 <div>
 <button class="btn" type="button" ng-click="addPermission($index)">增加訪問許可</button>
 </div>
 <br>
 <div>
 <button class="btn btn-primary" type="button">保存</button>
 <button class="btn" type="button">取消</button>
 </div>
</div>

//增加許可訪問div
$scope.permissions = [{grantee: "",port1:"",port2:"",port3:""}];
$scope.addPermission = function($index){
 $scope.permissions.splice($index + 1, 0,
 {grantee:"", port1:"",port2:"",port3:""});
}
//刪除許可訪問div
$scope.delPermission = function($index){
 $scope.permissions.splice($index, 1);
}