angular添加删除dom

HTML部分

 <div class="resumeInfo_box" ng-repeat="person in postList">
            <div class="box">
                <div class="box_info_title pr20 tr"><i>*</i><span>公司名称</span></div>
                <input type="text" class="box_input_info" name="companyName" ng-model="person.name" placeholder="请填写真实姓名" ng-maxlength="15" required zs-focus
                       ng-class="{error_input: resumeForm.companyName.$invalid && resumeForm.companyName.$dirty && !resumeForm.companyName.$focused}"/>
                <span class="errMsg" ng-show="resumeForm.companyName.$dirty && resumeForm.companyName.$invalid && !resumeForm.companyName.$focused">
                    <span class="warning" ng-show="resumeForm.companyName.$error.required">必填</span>
                    <span class="warning" ng-show="resumeForm.companyName.$error.maxlength">请填写1-15位任意字符</span>
                </span>
            </div>
            <div class="box">
                <div class="box_info_title pr20 tr"><i>*</i><span>职位</span></div>
                <input type="text" class="box_input_info" name="position" ng-model="person.position" placeholder="请填写真实姓名" ng-maxlength="15" required zs-focus
                       ng-class="{error_input: resumeForm.position.$invalid && resumeForm.position.$dirty && !resumeForm.position.$focused}"/>
                <span class="errMsg" ng-show="resumeForm.position.$dirty && resumeForm.position.$invalid && !resumeForm.position.$focused">
                    <span class="warning" ng-show="resumeForm.position.$error.required">必填</span>
                    <span class="warning" ng-show="resumeForm.position.$error.maxlength">请填写1-15位任意字符</span>
                </span>
            </div>
            <a ng-show="$index!=0" style="color:red;" ng-click="del($index)">移除</a>
        </div>

　　js部分

 $scope.postList = [];
            $scope.del=function(idx){
                $scope.postList.splice(idx,1);
            }
            $scope.addPost = function(){
                var obj={id:101,position:'前端',name:"甲乙丙"};
                $scope.postList.push(obj);
                //老式添加方法
                //var html =
                //    '<div class="resumeInfo_box">' +
                //    '<div><input type="text" class="zs_input" placeholder="填写工作经历"/></div>' +
                //    '<div><input type="text" class="zs_input" placeholder="填写公司名字"/><span>{{$index}}</span></div>' +
                //    '<div class="c_f46600" ng-click="delJt($index)">删除</div>' +
                //    '</div>';
                //var $html = $compile(html)($scope);
                //angular.element(".resumeInfo_wrap").append($html);
            };