Created
October 5, 2021 06:51
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| # 导入必须的库 | |
| import curses | |
| import time | |
| # 初始化命令行界面，返回的 stdscr 为窗口对象，表示命令行界面 | |
| stdscr = curses.initscr() | |
| # 使用 noecho 方法关闭命令行回显 | |
| curses.noecho() | |
| # 使用 nodelay(True) 方法让 getch 为非阻塞等待（即使没有输入程序也能继续执行） | |
| stdscr.nodelay(True) | |
| while True: | |
| # 清除 stdscr 窗口的内容（清除残留的符号） | |
| stdscr.erase() | |
| # 获取用户输入并放回对应按键的编号 | |
| # 非阻塞等待模式下没有输入则返回 -1 | |
| key = stdscr.getch() | |
| # 在 stdscr 的第一行第三列显示文字 | |
| stdscr.addstr(1, 3, "Hello GitHub.") | |
| # 在 stdscr 的第二行第三列显示文字 | |
| stdscr.addstr(2, 3, "Key: %d" % key) | |
| # 刷新窗口，让刚才的 addstr 生效 | |
| stdscr.refresh() | |
| # 等待 0.1s 给用户足够反应时间查看文字 | |
| time.sleep(0.1) |
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