注意：若直接复制的的话脚本内容格式会非常乱解决方法
1.Esc
2.光标到开头Ctrl+v
3.上下键选中所有
4.按=即可恢复正确格式
注：脚本内容cat追加部分：cat与最后一个EOF需顶格,自行手动修改
#!/bin/bash
sum=30 #初始余额总数
msg=15 #发一条短信需要15分
menu () {
cat << EOF
当前余额为$sum 分,每条短信需要$msg 分
==========================
1.充值
2.发消息
3.退出
==========================
EOF
}
recharge () {
read -p "请输入充值金额：" money
sleep 1
clear
expr $money + 1 &>/dev/null
if [ -z $money ];then
echo "不能为空，请重新输入"
ec
recharge
fi
expr $money + 1 &>/dev/null
if [ $? -eq 0 ];then
((sum=$sum+$money))
echo "充值成功，剩余余额为：$sum"
main
else
ec
echo "请输入要充值的正确的金额(正整数)！"
recharge
fi
}
ec () {
echo " "
}
note () {
read -p "输入要发送的内容：" note
((sum=$sum-$msg))
echo "发送成功，余额剩余：$sum"
}
yno () {
read -p "请问是否继续发送(yes/no)：" yno
ec
if [ "$yno" == "yes" ];then
news
note
elif [ "$yno" == "no" ];then
sleep 1
clear
main
else
echo "请输入(yes或者no)"
yno
fi
}
panduan () {
read -p "是否充值(yes/no):" yn
ec
if [ "$yn" == "yes" ];then
recharge
elif [ "$yn" == "no" ];then
# menu
main
else
echo "请输入(yes或者no)"
panduan
fi
}
news () {
if [ $sum -lt 15 ];then
echo "余额不足$msg，请充值"
panduan
else
while true
do
if [ $sum -lt 15 ];then
echo "余额不足$msg，如想发送短信请充值"
panduan
else
ec
read -p "输入要发送的内容：" note
((sum=$sum-$msg))
echo "发送成功，余额剩余：$sum"
ec
yno
if [ $sum -lt $msg ];then
ec
echo "余额不足，剩余$sum分"
panduan
menu
fi
fi
done
fi
}
main () {
while true
do
menu
ec
read -p "请选择要做的操作：" a
sleep 1
clear
case $a in
1)
recharge
;;
2)
news
;;
3)
exit 0
;;
*)
echo "输入错误,请输入正确的选项"
esac
done
}
main
能够发邮件的
#!/bin/bash
sum=30 #初始余额总数
msg=15 #发一条短信需要15分
mails=`cat /etc/mail.rc |wc -l`
menu () {
cat << EOF
当前余额为$sum 分,每条短信需要$msg 分
==========================
1.充值
2.发消息
3.退出
==========================
EOF
}
recharge () {
read -p "请输入充值金额：" money
sleep 1
clear
expr $money + 1 &>/dev/null
if [ -z $money ];then
echo "不能为空，请重新输入"
ec
recharge
fi
expr $money + 1 &>/dev/null
if [ $? -eq 0 ];then
((sum=$sum+$money))
echo "充值成功，剩余余额为：$sum"
main
else
ec
echo "请输入要充值的正确的金额(正整数)！"
recharge
fi
}
ec () {
echo " "
}
mail () {
if [ $mails -lt 70 ];then #注意，/etc/mail.rc默认为69行，若曾经修改过需要手动修改
cat >>/etc/mail.rc<< EOF
set from=xxxxxxx@163.com smtp=smtp.163.com smtp-auth-user=xxxxxxx smtp-auth-password=xxxxxxxxxxxxxx smtp-auth=login
EOF
else
:
fi
}
note () {
read -p "输入要发送的内容：" note
((sum=$sum-$msg))
echo $note >/tmp/youjian.txt
mailx -s "短信" xxxxxxxxx@126.com </tmp/youjian.txt
echo "发送成功，余额剩余：$sum"
}
yno () {
read -p "请问是否继续发送(yes/no)：" yno
ec
if [ "$yno" == "yes" ];then
news
note
elif [ "$yno" == "no" ];then
sleep 1
clear
main
else
echo "请输入(yes或者no)"
yno
fi
}
panduan () {
read -p "是否充值(yes/no):" yn
ec
if [ "$yn" == "yes" ];then
recharge
elif [ "$yn" == "no" ];then
main
else
echo "请输入(yes或者no)"
panduan
fi
}
news () {
if [ $sum -lt 15 ];then
echo "余额不足$msg，请充值"
panduan
else
while true
do
if [ $sum -lt 15 ];then
echo "余额不足$msg，如想发送短信请充值"
panduan
else
ec
note
ec
yno
if [ $sum -lt $msg ];then
ec
echo "余额不足，剩余$sum分"
panduan
menu
fi
fi
done
fi
}
main () {
while true
do
menu
ec
read -p "请选择要做的操作：" a
sleep 1
clear
case $a in
1)
recharge
;;
2)
news
;;
3)
exit 0
;;
*)
echo "输入错误,请输入正确的选项"
esac
done
}
main
