#!/bin/sh#Shell菜單演示function menu (){ cat << EOF----------------------------------------|***************菜單主頁***************|----------------------------------------`echo -e "/033[35m 1)電子設備/033[0m"``echo -e "/033[35m 2)車輛信息/033[0m"``echo -e "/033[35m 3)主菜單/033[0m"``echo -e "/033[35m 4)退出/033[0m"`EOFread -p "請輸入對應產品的數字：" num1case $num1 in 1)  echo "Welcome to ELE主頁!!"  eleproduct_menu  ;; 2)  echo "Welcome to CAR主頁!!"  car_menu  ;; 3)  clear  menu  ;; 4)  exit 0esac}function eleproduct_menu (){ cat << EOF----------------------------------------|***************ELE主頁****************|----------------------------------------`echo -e "/033[35m 1)蘋果/033[0m"``echo -e "/033[35m 2)魅族/033[0m"``echo -e "/033[35m 3)小米/033[0m"``echo -e "/033[35m 4)返回主菜單/033[0m"`EOFread -p "請輸入對應產品的數字：" num2case $num2 in 1)  echo "the is iphone X ￥8888!!"  eleproduct_menu  ;; 2)  echo "the is meizu pro6 ￥2600!!"  eleproduct_menu  ;; 3)  echo "the is xiaomi MXA2 ￥4290!!"  eleproduct_menu  ;; 4)  clear  menu  ;; *)  echo "the is fail!!"  eleproduct_menuesac}function car_menu (){ cat << EOF----------------------------------------|***************CAR主頁****************|----------------------------------------`echo -e "/033[35m 1)大眾/033[0m"``echo -e "/033[35m 2)寶馬/033[0m"``echo -e "/033[35m 3)梅賽德斯奔馳/033[0m"``echo -e "/033[35m 4)返回主菜單/033[0m"`EOFread -p "請輸入對應產品的數字：" num3case $num3 in 1)  echo "the is dazon ￥120000!!"  car_menu  ;; 2)  echo "the is BMW ￥230000!!"  car_menu  ;; 3)  echo "the is bench ￥460000!!"  car_menu  ;; 4)  clear  menu  ;; *)  echo "the is fail!!"  car_menuesac}menu