<form class="r4">
    <div class="fgroup" data-prop="mec_id" required>
        <label>{{SystemEnv.getHtmlNoteName(5110)}}</label><!--选择插件：-->
        <select data-placeholder="{{SystemEnv.getHtmlNoteName(5115)}}"> <!--请选择需要触发加载的插件--> 
            <option></option>
            {{
                mecHandlers.reduce(function(prev, mecHandler) {
                    prev += "<option value='"+ mecHandler.id + "'>" + mecHelper.formatName(mecHandler) + "</option>";
                    return prev;
                }, '')
            }}
        </select>
    </div>
    <div class="fgroup" id="tr-ref-params" data-params="true" data-prop="params">
        <label>{{SystemEnv.getHtmlNoteName(5112)}}</label> <!--参数条件：-->
        <div class="f-params">
            <div>
                <input class="f-params-key" type="text" placeholder="{{SystemEnv.getHtmlNoteName(5113)}}"/> <!--参数名称-->
                <span>=</span>
                <input class="f-params-value" type="text" placeholder="{{SystemEnv.getHtmlNoteName(5114)}}"/> <!--参数值-->
                <span class="f-add" data-operation="addParams"></span>
            </div>
        </div>
    </div>
</form>