go案例：客户管理系统流程 mvc模式 分层设计

package model

import "fmt"

//声明一个结构体，表示一个客户信息
type Customer struct{
    Id int
    Name string
    Gender string
    Age int
    Phone string
    Emaill string
}
func NewCustomer(id int,name string, gender string,
    age int, phone string,email string) Customer{
        return Customer{
            Id : id,
            Name : name,
            Gender : gender,
            Age : age,
            Phone:phone,
        }
}

func NewCustomer2(name string, gender string,
    age int, phone string,email string) Customer{
    return Customer{
        Name : name,
        Gender : gender,
        Age : age,
        Phone:phone,
    }
}
func (this Customer) GetInfo() string{
 info := fmt.Sprintf("%v\t%v\t%v\t%v\t%v\t%v\t",this.Id,
     this.Name,this.Gender,this.Age,this.Phone,this.Emaill)
 return info
}

package model

import "fmt"

//声明一个结构体，表示一个客户信息
type Customer struct{
    Id int
    Name string
    Gender string
    Age int
    Phone string
    Emaill string
}
func NewCustomer(id int,name string, gender string,
    age int, phone string,email string) Customer{
        return Customer{
            Id : id,
            Name : name,
            Gender : gender,
            Age : age,
            Phone:phone,
        }
}

func NewCustomer2(name string, gender string,
    age int, phone string,email string) Customer{
    return Customer{
        Name : name,
        Gender : gender,
        Age : age,
        Phone:phone,
    }
}
func (this Customer) GetInfo() string{
 info := fmt.Sprintf("%v\t%v\t%v\t%v\t%v\t%v\t",this.Id,
     this.Name,this.Gender,this.Age,this.Phone,this.Emaill)
 return info
}

package main

import (
    "fmt"
    "awesomeProject/service"
    "awesomeProject/model"
)

type customerView struct{
    key string
    loop bool
    customerService *service.CustomerService
}
//显示用户例表
func(this *customerView) list(){
    customers:=this.customerService.List()
    fmt.Println("——————————————————客户例表————————————————————————————")
    fmt.Println("编号 \t 姓名 \t \t性别 \t年龄 \t电话 \t邮箱")
    for i:=0; i < len(customers);i++{
        fmt.Println(customers[i].GetInfo())
    }
    fmt.Println("++++++++++++++客户列表完成+++++++++++++++")
}
//jo fi add
func(this *customerView)add(){
    fmt.Println("-----------------添加客户----------------")
    fmt.Println("姓名")
    name := ""
    fmt.Scanln(&name)
    fmt.Println("姓别")
    gender:=""
    fmt.Scanln(&gender)
    fmt.Println("请输入年龄")
    age :=0
    fmt.Scanln(&age)
    fmt.Println("请输入电话")
    phone :=""
    fmt.Scanln(&phone)
    fmt.Println("请输入邮箱")
    email:=""
    fmt.Scanln(&email)
    customer :=model.NewCustomer2(name,gender,age, phone,email)
    this.customerService.Add(customer)
}
func(this *customerView)delete(){
    fmt.Println("______________删除客户————————————————————————")
    fmt.Println("请输入客户编号（-1退出）")
    id := -1
    fmt.Scanln(&id)
    if id == -1{
        return
    }
    fmt.Println("请确认删除y/n")
    choice :=""
    fmt.Scanln(&choice)
    if choice == "y"||choice =="Y"{
        if this.customerService.Delete(id){
            fmt.Println("____________删 除成功__________________")
        }else{
            fmt.Println("删 除失败，可能是输入的Id不存在")

        }
    }


}







func(this *customerView)mainMenu(){
    for{
        fmt.Println("————————————————客户信息管理软件————————————————————————")
        fmt.Println("               1 添加客户                               ")
        fmt.Println("               2 修改客户                                ")
        fmt.Println("               3 删除客服                                ")
        fmt.Println("               4 客户例表                                ")
        fmt.Println(  "             5 退出                                    ")
        fmt.Println(                 "请选择（1-5）")
        fmt.Scanln(&this.key)
        switch this.key {
        case "1":
            this.add()
        case "2":
            fmt.Println("修改用户")
        case "3":
            this.delete()
        case "4":
            this.list()
        case "5":
            this.loop = false
        default:
            fmt.Println("输入有误 ")
        }//switch循环结束
        if !this.loop{
            break
        }//for
      }
    fmt.Println("你退出了客户系统")

}//主函数

func main(){
     customerView := customerView{
        key: "",
        loop : true,
    }
     customerView.customerService = service.NewcustomerService()
    customerView.mainMenu()
}