#!/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"`
EOF
read -p "請輸入對應產品的數字：" num1
case $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 0
esac
}

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"`
EOF
read -p "請輸入對應產品的數字：" num2
case $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_menu
esac
}

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"`
EOF
read -p "請輸入對應產品的數字：" num3
case $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_menu
esac
}
menu