这篇文章主要介绍了Shell实现多级菜单系统安装脚本实例分享,本文脚本用多级菜单实现LAMP、LNMP安装展现效果,需要的朋友可以参考下：
提示：本脚本主要实现多级菜单效果，并没有安装LAMP、LNMP环境，如果要用在实际生成环境中部署LNMP、LAMP环境，只需要简单修改一下就可以了。
演示效果：
1、一级菜单
2、二级菜单
3、执行操作
脚本参考：
| 代码如下： |
#!/bin/bash#[ -f /etc/init.d/functions ] && . /etc/init.d/functionsfunction menu(){cat << EOF----------------------------------------------|*******Please Enter Your Choice:[1-4]*******|----------------------------------------------* `echo -e "\033[35m 1)lamp install\033[0m"`* `echo -e "\033[35m 2)lnmp install\033[0m"`* `echo -e "\033[35m 3)quit\033[0m"`* `echo -e "\033[35m 4)return main menu\033[0m"`EOF}function lamp_menu(){cat << EOF----------------------------------------------|*******Please Enter Your Choice:[1-4]*******|----------------------------------------------* `echo -e "\033[35m 1)http install\033[0m"`* `echo -e "\033[35m 2)mysql install\033[0m"`* `echo -e "\033[35m 3)php install\033[0m"`* `echo -e "\033[35m 4)return main menu\033[0m"`EOFread -p "####please input second_lamp optios[1-4]: " num2expr $num2 + 1 &>/dev/null #这里加1，判断输入的是不是整数。if [ $? -ne 0 ];then #如果不等于零，代表输入不是整数。 echo "###########################" echo "Waing !!!,input error " echo "Please enter choose[1-4]:" echo "##########################" exit 1ficase $num2 in 1) action "Installed httpd..." /bin/true sleep 2 lamp_menu ;; 2) action "Installed MySQL..." /bin/true sleep 2 lamp_menu ;; 3) action "Installed PHP..." /bin/true sleep 2 lamp_menu ;; 4) clear menu ;; *) clear echo echo -e "\033[31mYour Enter the wrong,Please input again Choice:[1-4]\033[0m" lamp_menuesac}function lnmp_menu(){cat << EOF----------------------------------------------|*******Please Enter Your Choice:[1-4]*******|----------------------------------------------* `echo -e "\033[35m 1)nginx install\033[0m"`* `echo -e "\033[35m 2)mysql install\033[0m"`* `echo -e "\033[35m 3)php install\033[0m"`* `echo -e "\033[35m 4)return main menu\033[0m"`EOFread -p "please input second_lnmp options[1-4]: " num3expr $num2 + 1 &>/dev/null #这里加1，判断输入的是不是整数。if [ $? -ne 0 ];then #如果不等于零，代表输入不是整数。 echo echo "Please enter a integer" exit 1ficase $num3 in 1) action "Installed Nginx..." /bin/true sleep 2 lnmp_menu ;; 2) action "Installed MySQL..." /bin/true sleep 2 clear lnmp_menu ;; 3) action "Installed PHP..." /bin/true sleep 2 clear lnmp_menu ;; 4) clear menu ;; *) clear echo echo -e "\033[31mYour Enter the wrong,Please input again Choice:[1-4]\033[0m" lnmp_menuesac}clearmenuwhile true ;do read -p "##please Enter Your first_menu Choice:[1-4]" num1 expr $num1 + 1 &>/dev/null #这里加1，判断输入的是不是整数。 if [ $? -ne 0 ];then #如果不等于零，代表输入不是整数。 echo "----------------------------" echo "| Waring!!! |" echo "|Please Enter Right Choice!|" echo "----------------------------" sleep 1 case $num1 in 1) clear lamp_menu ;; 2) clear lnmp_menu ;; 3) clear break ;; 4) clear menu ;; *) clear echo -e "\033[31mYour Enter a number Error,Please Enter again Choice:[1-4]: \033[0m" menu esacdone |