go struct 抽象

package main

import (
    "fmt"
)
//定义一个结构体Account
type Account struct {
    AccountNo string
    Pwd string
    Balance float64
}

//方法
//1. 存款
func (account *Account) Deposite(money float64, pwd string)  {

    //看下输入的密码是否正确
    if pwd != account.Pwd {
        fmt.Println("你输入的密码不正确")
        return
    }

    //看看存款金额是否正确
    if money <=  {
        fmt.Println("你输入的金额不正确")
        return
    }

    account.Balance += money
    fmt.Println("存款成功~~")

}

//取款
func (account *Account) WithDraw(money float64, pwd string)  {

    //看下输入的密码是否正确
    if pwd != account.Pwd {
        fmt.Println("你输入的密码不正确")
        return
    }

    //看看取款金额是否正确
    if money <=   || money > account.Balance {
        fmt.Println("你输入的金额不正确")
        return
    }

    account.Balance -= money
    fmt.Println("取款成功~~")

}

//查询余额
func (account *Account) Query(pwd string)  {

    //看下输入的密码是否正确
    if pwd != account.Pwd {
        fmt.Println("你输入的密码不正确")
        return
    }

    fmt.Printf("你的账号为=%v 余额=%v \n", account.AccountNo, account.Balance)

}

func main() {

    //测试一把
    account := Account{
        AccountNo : "gs1111111",
        Pwd : "",
        Balance : 100.0,
    }

    //这里可以做的更加灵活，就是让用户通过控制台来输入命令...
    //菜单....
    account.Query("")
    account.Deposite(200.0, "")
    account.Query("")
    account.WithDraw(150.0, "")
    account.Query("")

}

抽象方法