<input id="c-user_id" data-rule="required" data-params='{ "custom[test_id]" : "0"}', data-primary-key="id" data-page-size="10" data-source="order/tenders" data-field="title"
                    class="form-control selectpage" name="row[tenders_id]" type="text" value="{$row.tenders_id}"></input>

data-params 条件
data-field 显示字段
data-primary-key 值
data-source 请求数据
data-page-size 每页显示数量

Q.E.D.