<div :id="cid_">
    <span class="lu-form-control" v-show="show_placeholder_">{{placeholder_}}</span>
    <input :class="css_" :multiple="multiple_" :accept="accept_" :name="name_" class="lu-form-control" ref="name_" type="file" v-on:input="change" v-show="!show_placeholder_"/>
</div>
