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atm仿真脚本
#!/bin/bash
# current time:2016-11-04 10:40:14
#数据库信息
prot="3306"
hostname="localhost"
username="root"
password="123456"
DB_name="Bank"
table_name="bank"
cmd="mysql -u${username} -h${hostname} -p${password} -e"
#验证登录
Verification() {
read -p "输入你的用户名: " user
read -s -p "输入密码: " pass
echo
echo "正在验证请稍候......"
}
Verification
while true
do
if [ `$cmd "select * from ${DB_name}.${table_name} where name=‘${user}‘ and pass=‘${pass}‘"|wc -l` -ne 0 ];then
sleep 3
echo "验证成功"
break
else
sleep 3
echo "用户名或密码错误"
Verification
fi
done
#查询
query() {
money=`$cmd "select money from ${DB_name}.${table_name} where name=‘${user}‘ and pass=${pass}" | grep -v "money"`
}
#存款
deposit() {
read -p "输入存款金额：" new_money
let total=${money}+${new_money}
$cmd "update ${DB_name}.${table_name} set money=‘${total}‘ where name=‘${user}‘ and pass=${pass}"
}
#取款
remove_money() {
query
read -p "输入取款金额：" remove
if [ $remove -gt $money ];then
echo "余额不足,可用余额$money"
else
let get=$money-$remove
$cmd "update ${DB_name}.${table_name} set money=‘${get}‘ where name=‘${user}‘ and pass=${pass}"
fi
}
#修改密码
chage_pass() {
read -s -p "输入密码：" new_pass
echo
read -s -p "请再次输入密码: " again_pass
echo
if [ "${new_pass}" != ${again_pass} ];then
echo "两次输入的密码不一样"
else
$cmd "update ${DB_name}.${table_name} set pass=‘${new_pass}‘ where name=‘${user}‘ and pass=${pass}"
fi
}
while true
do
read -p "(这里输入编号就可以)1:查询 2:存款 3:取款 4:修改密码 5:退出 " action
case ${action} in
1)
query
sleep 3
echo "可以余额为${money}"
;;
2)
deposit
sleep 3
echo "成功存款${new_money}"
;;
3)
remove_money
sleep 3
echo "成功取款${remove},请拿好现金"
;;
4)
chage_pass
sleep 3
echo "操作成功"
;;
5)
echo "谢谢，请保管好个人财产"
break
;;
esac
done
本文出自 “11065514” 博客，请务必保留此出处http://11075514.blog.51cto.com/11065514/1869704
atm仿真脚本