LAYUI 多選下拉框

<div class="layui-form-item">

          <label class="layui-form-label">狀態</label>

          <div class="layui-input-block">

            <select

              name="select_base_cityname"

              id="select_base_cityname"

              lay-filter="select_base_cityname"

              xm-select="select_base_cityname"

              xm-select-type="1"

            >

              <option value></option>

              <option value="待安裝">待安裝</option>

              <option value="待驗收">待驗收</option>

              <option value="已驗收">已驗收</option>

              <option value="已聯網">已聯網</option>

            </select>

          </div>

        </div>