go: Functional Options Pattern

项目结构：

Go 复制代码

/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:50
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : biz_config.go
*/
package config
 
// JewelryBusinessConfig 珠宝全业务配置（行业默认值）
type JewelryBusinessConfig struct {
    // 原料采购核验
    MaterialCheck    bool
    MaterialStandard string
    SupplierAudit    bool
 
    // 设计制图
    DesignSoftware string
    DesignReview   bool
    CustomDesign   bool
 
    // 加工生产
    ProductionLine     string
    CraftLevel         string
    QualityControlNode int
 
    // 质检
    FinalInspection    bool
    InspectionStandard string
    ReworkAllowed      bool
 
    // 包装
    LuxuryPackaging bool
    GiftBoxType     string
    AntiCounterfeit bool
 
    // 物流
    ExpressCompany        string
    InsuredValue          bool
    InternationalShipping bool
 
    // 财务
    AutoInvoice  bool
    TaxRate      float64
    PaymentTerms string
 
    // 营销
    OnlineMarketing   bool
    OfflineStore      bool
    AdvertisingBudget int
 
    // 业务
    OrderManagement  bool
    AfterSaleService bool
    VipService       bool
 
    // 人事
    StaffTraining    bool
    AttendanceSystem bool
    OfficeSupplies   bool
 
    // IT
    CloudServer    bool
    DataBackup     bool
    SystemSecurity bool
}
 
// NewDefaultConfig 返回默认企业标准配置
func NewDefaultConfig() *JewelryBusinessConfig {
    return &JewelryBusinessConfig{
        // 原料
        MaterialCheck:    true,
        MaterialStandard: "GIA",
        SupplierAudit:    true,
 
        // 设计
        DesignSoftware: "JewelCAD",
        DesignReview:   true,
        CustomDesign:   false,
 
        // 生产
        ProductionLine:     "标准生产线",
        CraftLevel:         "普通工艺",
        QualityControlNode: 3,
 
        // 质检
        FinalInspection:    true,
        InspectionStandard: "国标",
        ReworkAllowed:      true,
 
        // 包装
        LuxuryPackaging: false,
        GiftBoxType:     "基础礼盒",
        AntiCounterfeit: true,
 
        // 物流
        ExpressCompany:        "顺丰",
        InsuredValue:          true,
        InternationalShipping: false,
 
        // 财务
        AutoInvoice:  true,
        TaxRate:      0.13,
        PaymentTerms: "款到发货",
 
        // 营销
        OnlineMarketing: true,
        OfflineStore:    true,
 
        // 业务
        OrderManagement:  true,
        AfterSaleService: true,
 
        // 人事
        StaffTraining:    true,
        AttendanceSystem: true,
        OfficeSupplies:   true,
 
        // IT
        CloudServer:    true,
        DataBackup:     true,
        SystemSecurity: true,
    }
}
 
 
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:51
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : material.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
type Option func(*config.JewelryBusinessConfig)
 
func DisableMaterialCheck() Option {
    return func(c *config.JewelryBusinessConfig) {
        c.MaterialCheck = false
    }
}
 
func SetMaterialStandard(standard string) Option {
    return func(c *config.JewelryBusinessConfig) {
        c.MaterialStandard = standard
    }
}
 
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:52
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : design.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func UseCustomDesign() Option {
    return func(c *config.JewelryBusinessConfig) {
        c.CustomDesign = true
    }
}
 
func SetDesignSoftware(soft string) Option {
    return func(c *config.JewelryBusinessConfig) {
        c.DesignSoftware = soft
    }
}
 
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:52
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : produce.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func SetProductionLine(line string) Option {
    return func(c *config.JewelryBusinessConfig) {
        c.ProductionLine = line
    }
}
 
func UpgradeCraft() Option {
    return func(c *config.JewelryBusinessConfig) {
        c.CraftLevel = "高级工艺"
        c.QualityControlNode = 5
    }
}
 
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:53
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : inspect.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func SetInspectionStandard(standard string) Option {
    return func(c *config.JewelryBusinessConfig) {
        c.InspectionStandard = standard
    }
}
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:54
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : package.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func EnableLuxuryPackaging() Option {
    return func(c *config.JewelryBusinessConfig) {
        c.LuxuryPackaging = true
        c.GiftBoxType = "奢华礼盒"
    }
}
 
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:54
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : logistics.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func EnableInternationalShipping() Option {
    return func(c *config.JewelryBusinessConfig) {
        c.InternationalShipping = true
    }
}
 
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:55
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : finance.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func SetTaxRate(rate float64) Option {
    return func(c *config.JewelryBusinessConfig) {
        c.TaxRate = rate
    }
}
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:56
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : marketing.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func SetAdvertisingBudget(budget int) Option {
    return func(c *config.JewelryBusinessConfig) {
        c.AdvertisingBudget = budget
    }
}
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:56
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : business.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func EnableVipService() Option {
    return func(c *config.JewelryBusinessConfig) {
        c.VipService = true
    }
}
 
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:57
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : hr.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func DisableStaffTraining() Option {
    return func(c *config.JewelryBusinessConfig) {
        c.StaffTraining = false
    }
}
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:57
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : it.go
*/
package options
 
import "godesginpattern/functionaloptions/config"
 
func DisableCloudServer() Option {
    return func(c *config.JewelryBusinessConfig) {
        c.CloudServer = false
    }
}

Go 复制代码

/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:58
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : biz_service.go
*/
package service
 
import (
    "godesginpattern/functionaloptions/config"
    "godesginpattern/functionaloptions/factory"
    "godesginpattern/functionaloptions/options"
)
 
// GetStandardStoreConfig 标准门店
func GetStandardStoreConfig() *config.JewelryBusinessConfig {
    return factory.CreateConfig()
}
 
// GetLuxuryBrandConfig 高端定制品牌
func GetLuxuryBrandConfig() *config.JewelryBusinessConfig {
    return factory.CreateConfig(
       options.SetMaterialStandard("GIA+国检双标准"),
       options.UseCustomDesign(),
       options.SetDesignSoftware("Rhino+Matrix"),
       options.SetProductionLine("高端定制生产线"),
       options.UpgradeCraft(),
       options.SetInspectionStandard("奢侈品级"),
       options.EnableLuxuryPackaging(),
       options.EnableInternationalShipping(),
       options.EnableVipService(),
       options.SetAdvertisingBudget(1000000),
    )
}
 
// GetWholesaleFactoryConfig 批发工厂
func GetWholesaleFactoryConfig() *config.JewelryBusinessConfig {
    return factory.CreateConfig(
       options.DisableMaterialCheck(),
       options.DisableStaffTraining(),
       options.DisableCloudServer(),
       options.SetTaxRate(0.09),
    )
}
 
 
/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:58
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : config_factory.go
*/
package factory
 
import (
    "godesginpattern/functionaloptions/config"
    "godesginpattern/functionaloptions/options"
)
 
// CreateConfig 函数式选项核心工厂
func CreateConfig(opts ...options.Option) *config.JewelryBusinessConfig {
    cfg := config.NewDefaultConfig()
    for _, opt := range opts {
        opt(cfg)
    }
    return cfg
}

调用：

Go 复制代码

/*
# 版权所有  2026 ©涂聚文有限公司™ ®
# 许可信息查看：言語成了邀功盡責的功臣，還需要行爲每日來值班嗎
# 描述：Functional Options Pattern 函数式选项模式
# Author    : geovindu,Geovin Du 涂聚文.
# IDE       : goLang 2024.3.6 go 26.2
# os        : windows 10
# database  : mysql 9.0 sql server 2019, postgreSQL 17.0  Oracle 21c Neo4j
# Datetime  : 2026/7/4 21:59
# User      :  geovindu
# Product   : GoLand
# Project   : godesginpattern
# File      : functionaloptionsbll.go
*/
package bll
 
import (
    "fmt"
    "godesginpattern/functionaloptions/service"
)
 
func FunctionaloptionsMain() {
    fmt.Println("=============================================")
    fmt.Println("【场景1：标准珠宝门店 - 默认配置】")
    standard := service.GetStandardStoreConfig()
    fmt.Printf("设计软件：%s\n", standard.DesignSoftware)
    fmt.Printf("质检标准：%s\n", standard.InspectionStandard)
    fmt.Printf("基础税率：%.2f\n", standard.TaxRate)
 
    fmt.Println("\n=============================================")
    fmt.Println("【场景2：高端定制珠宝品牌】")
    luxury := service.GetLuxuryBrandConfig()
    fmt.Printf("定制设计开启：%t\n", luxury.CustomDesign)
    fmt.Printf("工艺等级：%s\n", luxury.CraftLevel)
    fmt.Printf("礼盒类型：%s\n", luxury.GiftBoxType)
    fmt.Printf("VIP服务：%t\n", luxury.VipService)
    fmt.Printf("营销预算：%d\n", luxury.AdvertisingBudget)
 
    fmt.Println("\n=============================================")
    fmt.Println("【场景3：批发工厂精简配置】")
    factory := service.GetWholesaleFactoryConfig()
    fmt.Printf("原料核验关闭：%t\n", factory.MaterialCheck)
    fmt.Printf("云服务器：%t\n", factory.CloudServer)
    fmt.Printf("工厂税率：%.2f\n", factory.TaxRate)
}

输出：