ATMV2函数版本
package main
import (
"fmt"
"strings"
)
var (
action int
loop bool = true
save_money int
money int
draw_money int
)
func find() {
fmt.Printf("余额为:%d \n",money)
}
func save() {
fmt.Println("请输入存款金额:")
//fmt.Scanf("%d\n",&save_money) //使用scanf必须加\n不然会打印两次
fmt.Scanln(&save_money)
fmt.Println(save_money)
money += save_money
fmt.Printf("存款金额%d,存款成功\n",save_money)
}
func draw() {
fmt.Println("请输入具体取款金额:")
fmt.Scanln(&draw_money)
if draw_money <= money{
money -= draw_money
fmt.Printf("成功取款,余额为:%d\n",money)
}else {
fmt.Println("余额不足")
}
}
func add_goods(g *map[string]int) {
for{
var(
name string
price int
)
fmt.Println("输入新增的商品名称,按Q退出:")
fmt.Scanln(&name)
if strings.ToUpper(name)=="Q"{
break
}
fmt.Println("输入该商品价格:")
fmt.Scanln(&price)
(*g)[name]= price
}
}
func shop_car(gn string,gl *[]string) {
for{
fmt.Println("输入要购买的商品(Q退出):")
fmt.Scanln(&gn)
if gn =="Q" {
break
}
*gl = append(*gl,gn)
}
}
func shoping() {
shop_goods := make(map[string]int)
goods_list := make([]string,0)
var goodName string
var shopmany int
if len(shop_goods)==0 {
add_goods(&shop_goods)
}
fmt.Println(shop_goods)
shop_car(goodName ,&goods_list)
for i:=0 ; i<len(goods_list);i++{
v,_ :=shop_goods[goods_list[i]]
shopmany += v
}
if money < shopmany{
fmt.Println("购物失败,余额不足,请及时充值")
}else{
money -= shopmany
}
}
func manager() {
fmt.Println("-----欢迎登陆XXX银行-----")
fmt.Println("\t1:查询余额")
fmt.Println("\t2:存款")
fmt.Println("\t3:取款")
fmt.Println("\t4:购物")
fmt.Println("\t5:退出")
fmt.Println("请输入你的操作:")
fmt.Scanln(&action)
switch action {
case 1:
find()
case 2:
save()
case 3:
draw()
case 4:
shoping()
case 5:
loop = false
default:
fmt.Println("输入有误,请输入1-4之间的数字")
}
}
func main() {
for {
manager()
if loop == false{
fmt.Println("----欢迎使用ATMV2,再见----")
break
}
}
}