在角材料芯片上添加ng级

Question

我想基于我的键值类型为芯片创建边框，我已经为其制作了ng-class =＆＃34; classEmployeeType（$ chip）＆＃34; ..如果我将它添加到任何固定的dom元素，它工作正常，但在页面加载时创建md-chip。如何在动态创建的dom元素上添加此ng-class。

html

<md-chips ng-model="ctrl.listVal"
      md-autocomplete-snap md-transform-chip="$chip" md-require-match="ctrl.autocompleteDemoRequireMatch">
                        <md-autocomplete>
                            <md-item-template>
                                // custom autocomplete functionality
                            </md-item-template>
                        </md-autocomplete>
                        <md-chip-template >
                            <span>
                                <strong>@{{$chip.name}}</strong>
                            </span>
                        </md-chip-template>
                    </md-chips>

CSS

 .add-key-chips .md-chips .md-chip{
    border-radius:2px;
    background-color:#fff;
    background-color: #fff;
    border: 1px solid #027cd8;
    cursor: default;
    display: block;
    height: 20px;
    white-space: nowrap;
    -webkit-border-radius: 3px;
    border-radius: 3px;
    line-height:18px;
    top:7px;
    padding:0 5px;
    color: #027cd8;
    }