iOS Swift5 视频播放

 maxlength="-1"

           <u-input
            v-model="queryParams.orderIdTxt"
            border="true"
            :focus="true"
            :auto-height="true"
            :height="500"
            maxlength="-1"
            type="textarea"
            placeholder="请输入订单号，多单号换行分割"
          />