家庭收支代码

main.go

package main

import(
	"fmt"
	"go_code/familyaccount/utils"
)

func main()  {
	fmt.Println("这个是面向对象")
	utils.NewFamilyAccount().MainMenu()
}

familyaccount.go

package utils

import(
	"fmt"
)

type FamilyAccount struct{
	key string
	loop bool
	balance float64
	money float64
	note string
	flag bool
	details string
}

//工厂模式
func NewFamilyAccount() *FamilyAccount{
	return &FamilyAccount{
		key : "",
		loop : true,
		balance : 10000.0,
		money : 0.0,
		note : "",
		flag : false,
		details : "收支\t账号金额\t收支金额\t说   明",
	}
}

func (this *FamilyAccount) showDetails(){
	fmt.Println("----------------------当前收支明细记录----------------------")
	if this.flag {
		fmt.Println(this.details)
	} else {
		fmt.Println("来一把")
	}
}

func (this *FamilyAccount) income() {
	fmt.Println("本次收入金额:")
	fmt.Scanln(&this.money)
	this.balance += this.money
	fmt.Println("本次收入说明:")
	fmt.Scanln(&this.note)
	this.details += fmt.Sprintf("\n收入\t%v\t%v\t%v", this.balance, this.money, this.note)
	this.flag = true
}

func (this *FamilyAccount) pay(){
	fmt.Println("登记支出..")
	fmt.Scanln(&this.money)

	if this.money > this.balance {
		fmt.Println("余额不足")
		return
	}
	this.balance -= this.money
	fmt.Println("本次收入说明:")
	fmt.Scanln(&this.note)
	this.details += fmt.Sprintf("\n支出\t%v\t%v\t%v", this.balance, this.money, this.note)
	this.flag = true
}

func (this *FamilyAccount) exit(){
	fmt.Println("你确定要退出吗？y/n")
	choice := ""
	for{
		fmt.Scanln(&choice)
		if choice == "y" || choice == "n" {
			break
		}
		fmt.Println("输入有误请重新输入y/n")
	}
	
	if choice == "y" {
		this.loop = false
	}
}

func (this *FamilyAccount) MainMenu() {
	for  {
		fmt.Println("\n----------------------家庭收支记账软件---------------------")
		fmt.Println("                        1 收支明细")
		fmt.Println("                        2 登记收入")
		fmt.Println("                        3 登记支出")
		fmt.Println("                        4 退出软件")
		fmt.Print("请选择(1-4):")

		fmt.Scanln(&this.key)

		switch this.key {
		case "1":
			this.showDetails()
		case "2":
			this.income()
		case "3":
			this.pay()
		case "4":
			this.exit()
			
		default:
			fmt.Println("请输入正确的选项...")	
		}

		if !this.loop {
			break
		}
	}
}