练习_while循环模拟跳板机

#!/usr/bin/bash

#jumpserver
trap "" HUP INT QUIT TSTP #捕捉异常退出 不执行任何操作
web1=192.168.201.130
web2=192.168.201.129
clear
while :
do
	cat <<-EOF
			+-------------------+
			|       1.web1      |   
			|       2.web2      |
			+-------------------+
	EOF
	echo -en "\e[1;32mplease input a number:  \e[0m"  #高亮显示 -e启用反斜杠转义解释 -n 不换行
	read  num
	case "$num" in
	1)
			ssh solider@web1
			;;
	*)
			echo "error"
	esac
done