go案例：客户管理系统流程 ?mvc模式 分层设计

package modelimport "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 modelimport "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 mainimport ( ???"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 addfunc(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()}