golang实战--客户信息管理系统_语言综合

概述总计架构图： model/customer.go package model import ( "fmt" ) type Customer struct { Id int Name

总计架构图：

model/customer.go

package modelimport (    "fmt")type Customer struct {    ID     int    name   string    Gender     Age        Phone      Email  }func NewCustomer(ID int,name string,gender ) Customer {    return Customer{        ID:     ID,name:   name,Gender: gender,Age:    age,Phone:  phone,Email:  email,}}    func NewCustomer2(name  Customer{        name:   name,}}func (c Customer) GetInfo()  {    info := fmt.Sprintf(%v\t%v\t%v\t%v\t%v\t%v\t,c.ID,c.name,c.Gender,c.Age,c.Phone,c.Email)     info}

service/customerService.go

package serviceimport (    go_code/project_6/model)//增删查改type CustomerService  {    customers  []model.Customer    customerID }func NewCustomerService() *CustomerService {    customerService := &CustomerService{}    customerService.customerID = 1    customer := model.NewCustomer(1,张三",1)">男20,1)">15927776543347688971@qq.com)    customerService.customers = append(customerService.customers,customer)     customerService}func (cs *CustomerService) List() []model.Customer {     cs.customers}func (cs *CustomerService) Add(customer model.Customer) bool {    确定一个添加ID的规则，就是添加的顺序    cs.customerID++    customer.ID = cs.customerID    cs.customers = append(cs.customers,1)">return true}根据ID查找客户在切片中的对应下标，如果没有则返回-1func (cs *CustomerService) FindByID(ID int)  {    index := -1    for i := 0; i < len(cs.customers); i++ {        if cs.customers[i].ID == ID {            找到了            index = i        }    }     index}根据ID删除客户func (cs *CustomerService) Delete(ID  {    index := cs.FindByID(ID)    if index == -false    }    从切片中删除元素    cs.customers = append(cs.customers[:index],cs.customers[index+:]...)    }func (cs *CustomerService) GetinfoByID(ID ) model.Customer {    i := ID -  cs.customers[i]}根据ID修改客户信息func (cs *CustomerService) Update(ID  ID {            cs.customers[i].name = customer.name            cs.customers[i].Gender = customer.Gender            cs.customers[i].Age = customer.Age            cs.customers[i].Phone = customer.Phone            cs.customers[i].Email = customer.Email        }    }    }

vIEw/customerVIEw.go

package mainimport (    "    go_code/project_6/service)type customerVIEw 定义必要的字段    key             string 接受用户输入    loop            bool   用于循环判断    customerService *service.CustomerService}func (cv *customerVIEw) mainMenu() {    for {        fmt.Println(------------------客户信息管理软件---------------------)        fmt.Println(                    1.添加客户                    2.修改客户                    3.删除客户                    4.客户列表                    5.退   出)        fmt.Print(请选择1-5：)        fmt.Scanln(&cv.key)        switch cv.key {        case 1:            cv.add()        2:            cv.update()        3:            cv.delete()        4:            cv.List()        5:            cv.logout()        default:            fmt.Println(你的输入有误，请重新输入)        }        if !cv.loop {            break        }    }    fmt.Println(你已退出了客户关系管理系统。。。)}func (cv *customerVIEw) List() {    首先获取当前客户所有信息    customers := cv.customerService.List()    fmt.Println(--------------------客户列表--------------------------)    fmt.Println(编号\t姓名\t性别\t年龄\t电话\t\t邮箱)    0; i < len(customers); i++ {        fmt.Println(customers[i].GetInfo())    }    fmt.Println(------------------客户列表完成------------------------customerVIEw) add() {    fmt.Println(--------------------添加客户--------------------------)    fmt.Print(姓名：)    name := ""    fmt.Scanln(&name)    fmt.Print(性别：)    gender := gender)    fmt.Print(年龄：)    age := 0age)    fmt.Print(电话：)    phone := phone)    fmt.Print(邮箱：)    email := email)    customer := model.NewCustomer2(name,gender,age,phone,email)    if cv.customerService.Add(customer) {        fmt.Println(--------------------添加成功--------------------------)    } else--------------------添加失败--------------------------)    }    fmt.Println(--------------------添加完成--------------------------)}func (cv *customerVIEw) () {    fmt.Println(--------------------删除客户--------------------------请选择要删除客户的客户编号（-1退出）：)    ID := -ID)    if ID == -    }    fmt.Println(确认是否删除？y/n)    choice := choice)    if choice == y" || choice == n cv.customerService.Delete(ID) {            fmt.Println(--------------------删除完成--------------------------)        }  {            fmt.Println(-----------------输入ID不存在，请重新输入--------------)        }    }}func (cv *customerVIEw) update() {    fmt.Print(请输入要修改的ID：)    ID := if cv.customerService.FindByID(ID) != - {        customer := cv.customerService.GetinfoByID(ID)        fmt.Printf(姓名（%v：）        fmt.Scanln(&name)        fmt.Printf(性别（%v）：gender)        fmt.Printf(年龄（%v）：age)        fmt.Printf(电话（%v）：phone)        fmt.Printf(邮箱（%v）：email)        customer2 :=)    }}func (cv *customerVIEw) logout() {    fmt.Println(确认是否退出？y/n {        fmt.Scanln(&if cv.key == " || cv.key ==  {                    }        fmt.Println(你的输入有误，请从新输入)    }     {        cv.loop =     }}func main() {    var cv customerVIEw    cv.loop =     cv.customerService = service.NewCustomerService()    cv.mainMenu()}