精思课堂工作台

关于工作台 About the workbench

精思课堂工作台·教师共享版是精思华文（JovialSight Chinese）提供的免费在线课堂工具，适合教师课堂投影、限时练习、随机提问和任务展示。打开链接即可使用，无需登录或创建账号。

JovialSight Classroom Workbench is a free online classroom toolkit from JovialSight Chinese. Teachers can use it for classroom projection, timed practice, random name selection and task instructions. Open the link to begin; no login or account is required.

七项课堂工具 Seven classroom tools

• 倒计时：设定活动时长，开始、暂停、重置，或加减一分钟。

  Timer: set an activity duration, start, pause, reset or adjust it by one minute.

• 随机点名：选择已保存班级，或独立使用临时名单进行随机抽取。

  Random name picker: choose a saved class or use a separate temporary list to select names at random.

• 文字板：展示课堂指示、问题和任务，并调整字号。

  Text board: display instructions, questions and tasks with adjustable text size.

• 时钟：以小时、分钟、秒显示当前时间。

  Clock: display the current time in hours, minutes and seconds.

• 课堂骰子：设置数字范围，为课堂活动随机生成数字。

  Classroom dice: generate random numbers within a chosen range for classroom activities.

• 二维码：将网址转为二维码，方便学生扫码打开。

  QR code: turn a website address into a code that students can scan.

• 快速链接：在新标签页打开常用教学网站。

  Quick links: open frequently used teaching websites in a new tab.

如何使用 Getting started

从左侧选择工具，工具会出现在工作区。点击左上角 Logo 收起或展开工具栏。首次使用时，工作区为空；此后会在当前浏览器保存已打开的工具选择。倒计时、文字板和时钟支持单工具全屏；恰好打开两个工具时，可点击“双全屏”并排展示。按 Esc 退出全屏。

Select tools from the left sidebar to add them to the workspace. Click the top-left logo to show or hide the sidebar. Your first visit starts with an empty workspace; subsequent visits restore your tool selection in this browser. The timer, text board and clock support individual fullscreen. With exactly two tools open, use Dual Fullscreen to display them side by side. Press Esc to exit fullscreen.

名单与隐私 Name lists and privacy

班级名单仅保存在当前浏览器，不会上传服务器，也不会与其他教师共享。可导入 CSV 或 TXT 名单，每份文件代表一个班级。更换设备或清除浏览器资料后，需要重新导入。临时名单与已保存班级名单分开使用。

Class name lists are stored only in the current browser. They are not uploaded to a server or shared with other teachers. Import CSV or TXT files, with one file per class. You will need to import your lists again after changing devices or clearing browser data. Temporary lists are used separately from saved classes.

常见问题 Frequently asked questions

需要付费或登录吗？ Is payment or a login required?

不需要，共享版可免费直接使用。

No. The shared edition is free to use without signing in.

名单会同步到另一台设备吗？ Do name lists sync across devices?

不会。每位教师的名单仅保存在各自当前浏览器中。

No. Each teacher's name lists remain in their own current browser.

全屏会清空工具内容吗？ Does fullscreen clear tool content?

不会。进入或退出全屏会保留当前工具内容和运行状态。

No. Entering or exiting fullscreen preserves the current content and running state.

版权与许可 Licences and attribution

© 2026 JovialSight Chinese. Singapore.

This shared workbench uses third-party software including React, Vinext, Lucide, QRCode and the Shadcn components. Their full licence texts and copyright notices are retained in the third-party software notices. These licences apply to the named packages and do not grant rights to JovialSight brand artwork. The shared edition’s class name lists remain in each teacher’s current browser.