ruby随机在控制台显示字符串

require 'curses' module Curses def self.program main_scr=init_screen noecho cbreak curs_set(0) main_scr.keypad=true yield main_scr end end Curses.program do |scr| max_x=scr.maxx max_y=scr.maxy 100.times do scr.setpos(rand(max_y),rand(max_x)) scr.addstr("hi") end scr.getch end