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caidan(){
cat << EOF
===========菜单===========
|| 1.登入 ||
|| 2.注册 ||
|| 3.退出 ||
==========================
EOF
read -p "请你输出你要的选项：" num
case $num in
1)dengru;;
2)zhuce;;
3)tuichu;;
esac
}
dengru(){
read -p "请输入你的用户名：" name
id $name &> /dev/null
if [ $? -eq 0 ];then
read -p "请输入你的密码 ：" pass
if [[ ${#pass} -ge 8 && $pass =~ [a-z] && $pass =~ [A-Z] && $pass =~ [0-9] && $pass =~ [^0-Z] ]];then
while :
do
gongju
read -p "请你输入你需要的工具：" gg
case $gg in
1)
echo "=====磁盘信息====="
df -hT
echo "=====磁盘信息====="
read -p "继续y，退出n" yn
if [ $yn = y ];then
clear
else
exit 88
fi
;;
2)
echo "=====内存信息====="
free -m
echo "=====内存信息====="
read -p "继续y，退出n" yn
if [ $yn = y ];then
clear
else
exit 88
fi
;;
3)
echo "=====CPU信息====="
uptime
echo "=====CPU信息====="
read -p "继续y，退出n" yn
if [ $yn = y ];then
clear
else
exit 88
fi
;;
4)
echo "=====网络信息====="
read -p "请输入你要用的网络接口号" hao
netstat -anpt | grep $hao
echo "=====网络信息====="
read -p "继续y，退出n" yn
if [ $yn = y ];then
clear
else
exit 88
fi
;;
5)
echo "=====进程信息====="
read -p "请输入你要查询的进程名" pss
ps aux | grep $pss
echo "=====进程信息====="
read -p "继续y，退出n" yn
if [ $yn = y ];then
clear
else
exit 88
fi
;;
6)
echo "=======退出======="
exit 88
echo "=======退出======="
;;
esac
done
else
echo "密码不符合规定"
echo "密码要求大于等于8位，小写字母，大写字母，特殊字符"
fi
else
echo "用户有误"
fi
}
gongju (){
cat << EOF
===========系统工具箱===========
|| 1.查看磁盘信息 ||
|| 2.查看内存信息 ||
|| 3.查看CPU信息 ||
|| 4.查看网络信息 ||
|| 5.查看进程信息 ||
|| 6.退出 ||
================================
EOF
}
zhuce(){
read -p "请输入你需要创建的用户名：" name
id $name &> /dev/null
if [ $? -eq 1 ];then
read -p "请设置$name的密码：" password
if [[ ${#password} -ge 8 && $password =~ [a-z] && $password =~ [A-Z] && $password =~ [0-9] && $password =~ [^0-Z] ]];then
echo "$password" | passwd --stdin $name &> /dev/null
echo "$name用户密码设置成功，密码为$password"
else
echo "你设置的密码有误，请按规定设置"
caidan
fi
else
echo "$name用户创建有误"
caidan
fi
}
tuichu(){
echo "再见"
break
}
caidan
|