/* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:15 # User : geovindu # Product : GoLand # Project : BitOperation # File : bfs_combine.go */ package algorithm import ( BitOperation/domain/entity container/list ) type node struct { mask int totalW float64 totalP float64 } // BfsJewelryCombiner BFS位掩码搭配算法 type BfsJewelryCombiner struct { jewels []*entity.Jewelry n int maxW float64 maxP float64 bestMask int bestRate float64 } func NewBfsJewelryCombiner(list []*entity.Jewelry, maxW, maxP float64) *BfsJewelryCombiner { return BfsJewelryCombiner{ jewels: list, n: len(list), maxW: maxW, maxP: maxP, } } func (b *BfsJewelryCombiner) SearchBestCombine() ([]string, float64, float64) { queue : list.New() queue.PushBack(node{mask: 0, totalW: 0, totalP: 0}) b.bestMask 0 b.bestRate 0 for queue.Len() 0 { elem : queue.Front() queue.Remove(elem) cur : elem.Value.(node) rate : 0.0 if cur.totalW 0 { rate cur.totalP / cur.totalW } if rate b.bestRate { b.bestRate rate b.bestMask cur.mask } for i : 0; i b.n; i { if (cur.mask (1 i)) 0 { newMask : cur.mask | (1 i) newW : cur.totalW b.jewels[i].Weight newP : cur.totalP b.jewels[i].Price if newW b.maxW newP b.maxP { queue.PushBack(node{mask: newMask, totalW: newW, totalP: newP}) } } } } // 解析掩码 var ids []string var tw, tp float64 for i : 0; i b.n; i { if (b.bestMask (1 i)) ! 0 { ids append(ids, b.jewels[i].JewelID) tw b.jewels[i].Weight tp b.jewels[i].Price } } return ids, tw, tp } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:16 # User : geovindu # Product : GoLand # Project : BitOperation # File : bit_array.go */ package algorithm // BitArray 高性能位图千万级查重、黑名单过滤 type BitArray struct { size int arr []byte } func NewBitArray(size int) *BitArray { byteLen : (size 7) / 8 return BitArray{ size: size, arr: make([]byte, byteLen), } } func (b *BitArray) Set(idx int) { if idx 0 || idx b.size { return } pos : idx / 8 bit : idx % 8 b.arr[pos] | 1 bit } func (b *BitArray) UnSet(idx int) { if idx 0 || idx b.size { return } pos : idx / 8 bit : idx % 8 b.arr[pos] ^ 1 bit } func (b *BitArray) Get(idx int) bool { if idx 0 || idx b.size { return false } pos : idx / 8 bit : idx % 8 return (b.arr[pos] (1 bit)) ! 0 } func (b *BitArray) BatchSet(indexList []int) { for _, idx : range indexList { b.Set(idx) } } func (b *BitArray) BatchCheck(indexList []int) []bool { res : make([]bool, len(indexList)) for i, idx : range indexList { res[i] b.Get(idx) } return res } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:15 # User : geovindu # Product : GoLand # Project : BitOperation # File : gale_shapley.go */ package algorithm import BitOperation/domain/entity // GaleShapleyMatcher GS稳定婚配算法 type GaleShapleyMatcher struct { guideList []*entity.Guide custList []*entity.Customer guideMap map[string]*entity.Guide custMap map[string]*entity.Customer guideMatch map[string]string custMatch map[string]string guidePtr map[string]int } func NewGaleShapleyMatcher(guides []*entity.Guide, customers []*entity.Customer) *GaleShapleyMatcher { gm : make(map[string]*entity.Guide) cm : make(map[string]*entity.Customer) ptr : make(map[string]int) for _, g : range guides { gm[g.GuideID] g ptr[g.GuideID] 0 } for _, c : range customers { cm[c.CustomerID] c } return GaleShapleyMatcher{ guideList: guides, custList: customers, guideMap: gm, custMap: cm, guideMatch: make(map[string]string), custMatch: make(map[string]string), guidePtr: ptr, } } func (g *GaleShapleyMatcher) getCustRank(guide *entity.Guide, cid string) int { for idx, id : range guide.CustomerPriority { if id cid { return idx } } return 999 } func (g *GaleShapleyMatcher) getGuideRank(cust *entity.Customer, gid string) int { guide : g.guideMap[gid] score : cust.MatchScore(guide.SkillMask) return -score } func (g *GaleShapleyMatcher) Match() map[string]string { freeGuide : make([]string, 0) for _, gObj : range g.guideList { freeGuide append(freeGuide, gObj.GuideID) } for len(freeGuide) 0 { gid : freeGuide[0] freeGuide freeGuide[1:] guide : g.guideMap[gid] ptr : g.guidePtr[gid] if ptr len(guide.CustomerPriority) { continue } cid : guide.CustomerPriority[ptr] g.guidePtr[gid] cust : g.custMap[cid] if _, ok : g.custMatch[cid]; !ok { g.guideMatch[gid] cid g.custMatch[cid] gid } else { oldGid : g.custMatch[cid] r1 : g.getGuideRank(cust, gid) r2 : g.getGuideRank(cust, oldGid) if r1 r2 { g.guideMatch[gid] cid g.custMatch[cid] gid delete(g.guideMatch, oldGid) freeGuide append(freeGuide, oldGid) } else { freeGuide append(freeGuide, gid) } } } return g.custMatch } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:12 # User : geovindu # Product : GoLand # Project : BitOperation # File : combine_rule.go */ package domain_rule import ( BitOperation/domain/entity BitOperation/domain/valueobject ) // CombineDomainRule 首饰搭配领域约束规则 type CombineDomainRule struct { MAX_COMBINE_COUNT int MIN_COMBINE_WEIGHT float64 MUTEX_GOLD int MUTEX_PLATINUM int } func NewCombineDomainRule() *CombineDomainRule { return CombineDomainRule{ MAX_COMBINE_COUNT: 6, MIN_COMBINE_WEIGHT: 1.0, MUTEX_GOLD: valueobject.GOLD, MUTEX_PLATINUM: valueobject.PLATINUM, } } // IsSingleJewelValid 单件首饰校验 func (c *CombineDomainRule) IsSingleJewelValid(j *entity.Jewelry) (bool, string) { if j nil { return false, 对象非首饰Jewelry实体 } if j.JewelID { return false, 首饰唯一ID为空 } if j.Weight 0 { return false, 首饰[ j.JewelID ]克重非法必须大于0 } if j.Price 0 { return false, 首饰[ j.JewelID ]价格非法必须大于0 } return true, 单件首饰校验通过 } // CheckMaterialMutex 黄金铂金互斥校验 func (c *CombineDomainRule) CheckMaterialMutex(combineMask int) (bool, string) { hasGold : (combineMask c.MUTEX_GOLD) ! 0 hasPt : (combineMask c.MUTEX_PLATINUM) ! 0 if hasGold hasPt { return false, 搭配组合违反规则黄金与铂金禁止放入同一礼盒 } return true, 材质互斥校验通过 } // CheckCombineThreshold 重量价格阈值校验 func (c *CombineDomainRule) CheckCombineThreshold(totalW, totalP, maxW, maxP float64) (bool, string) { if totalW c.MIN_COMBINE_WEIGHT { return false, 总克重低于礼盒最低克重1.0g } if totalW maxW { return false, 总克重超出上限 } if totalP maxP { return false, 总价超出价格上限 } return true, 搭配阈值校验通过 } // CheckCombineCount 件数上限 func (c *CombineDomainRule) CheckCombineCount(cnt int) (bool, string) { if cnt c.MAX_COMBINE_COUNT { return false, 搭配件数超出礼盒最大件数6件 } return true, 件数校验通过 } // BatchFilterAvailableJewels 批量过滤合法首饰 func (c *CombineDomainRule) BatchFilterAvailableJewels(list []*entity.Jewelry) ([]*entity.Jewelry, []string) { var valid []*entity.Jewelry var errLog []string for _, j : range list { ok, msg : c.IsSingleJewelValid(j) if ok { valid append(valid, j) } else { errLog append(errLog, msg) } } return valid, errLog } // FullCombineCheck 组合全量综合校验 func (c *CombineDomainRule) FullCombineCheck(mask int, jewels []*entity.Jewelry, totalW, totalP, maxW, maxP float64) (bool, string) { ok, msg : c.CheckCombineCount(len(jewels)) if !ok { return false, msg } ok, msg c.CheckMaterialMutex(mask) if !ok { return false, msg } ok, msg c.CheckCombineThreshold(totalW, totalP, maxW, maxP) if !ok { return false, msg } return true, 搭配组合完全合规 } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:11 # User : geovindu # Product : GoLand # Project : BitOperation # File : match_rule.go */ package domain_rule import ( BitOperation/domain/entity BitOperation/domain/valueobject ) // 包内常量固定全局掩码标识编译期常量合法标准写法 const ( GUIDE_OFFLINE_MASK 1 30 CUSTOMER_BLACK_MASK 1 31 SENIOR_GUIDE_TAG 1 28 ) // MatchDomainRule 导购-客户匹配领域规则结构体仅保留运行期赋值字段 type MatchDomainRule struct { LUXURY_MASK int // 高奢组合掩码构造函数内组合赋值 } // NewMatchDomainRule 构造函数统一初始化组合掩码 func NewMatchDomainRule() *MatchDomainRule { return MatchDomainRule{ LUXURY_MASK: valueobject.HIGHPRICE | valueobject.DIAMOND, } } // IsGuideValid 导购合法性校验 func (m *MatchDomainRule) IsGuideValid(g *entity.Guide) (bool, string) { if g nil { return false, 实体类型错误非导购Guide对象 } if g.GuideID { return false, 导购ID不能为空 } if len(g.CustomerPriority) 0 { return false, 导购未配置客户接待优先级列表无法参与匹配 } if (g.SkillMask GUIDE_OFFLINE_MASK) ! 0 { return false, 导购[ g.GuideID ]当前离岗禁止分配客户 } return true, 导购校验通过 } // IsCustomerValid 客户合法性校验 func (m *MatchDomainRule) IsCustomerValid(c *entity.Customer) (bool, string) { if c nil { return false, 实体类型错误非客户Customer对象 } if c.CustomerID { return false, 客户ID不能为空 } if len(c.PriorityList) 0 { return false, 客户未配置导购偏好优先级无法参与匹配 } if (c.PreferenceMask CUSTOMER_BLACK_MASK) ! 0 { return false, 客户[ c.CustomerID ]处于黑名单禁止分配导购接待 } return true, 客户校验通过 } // CheckLuxuryMatchLimit 高奢导购资质校验 func (m *MatchDomainRule) CheckLuxuryMatchLimit(g *entity.Guide, c *entity.Customer) (bool, string) { needLuxury : (c.PreferenceMask m.LUXURY_MASK) ! 0 if !needLuxury { return true, 非高奢需求无导购等级限制 } if (g.SkillMask SENIOR_GUIDE_TAG) 0 { return false, 客户[ c.CustomerID ]存在高奢需求导购[ g.GuideID ]非资深导购禁止匹配 } return true, 高奢需求匹配资格校验通过 } // BatchCheckMatchEntrance 批量准入过滤 func (m *MatchDomainRule) BatchCheckMatchEntrance(guides []*entity.Guide, customers []*entity.Customer) ([]*entity.Guide, []*entity.Customer, []string) { var validGuide []*entity.Guide var validCust []*entity.Customer var errLog []string for _, g : range guides { ok, msg : m.IsGuideValid(g) if ok { validGuide append(validGuide, g) } else { errLog append(errLog, 导购过滤msg) } } for _, c : range customers { ok, msg : m.IsCustomerValid(c) if ok { validCust append(validCust, c) } else { errLog append(errLog, 客户过滤msg) } } return validGuide, validCust, errLog } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:14 # User : geovindu # Product : GoLand # Project : BitOperation # File : blacklist.go */ package entity import sync // BlackList 假货黑名单实体 type BlackList struct { fakeIds map[string]bool mu sync.RWMutex } func NewBlackList() *BlackList { return BlackList{ fakeIds: make(map[string]bool), } } func (b *BlackList) AddFake(id string) { b.mu.Lock() defer b.mu.Unlock() b.fakeIds[id] true } func (b *BlackList) BatchAdd(ids []string) { b.mu.Lock() defer b.mu.Unlock() for _, id : range ids { b.fakeIds[id] true } } func (b *BlackList) IsFake(id string) bool { b.mu.RLock() defer b.mu.RUnlock() return b.fakeIds[id] } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:08 # User : geovindu # Product : GoLand # Project : BitOperation # File : customer.go */ package entity // Customer 客户领域实体 type Customer struct { CustomerID string PreferenceMask int PriorityList []string // 导购偏好优先级列表 } // MatchScore 计算与导购技能掩码匹配重合bit数量 func (c *Customer) MatchScore(guideMask int) int { sameBit : c.PreferenceMask guideMask cnt : 0 for sameBit 0 { cnt sameBit sameBit - 1 } return cnt } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:13 # User : geovindu # Product : GoLand # Project : BitOperation # File : guide.go */ package entity // Guide 导购领域实体 type Guide struct { GuideID string SkillMask int CustomerPriority []string // 接待客户优先级 } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:13 # User : geovindu # Product : GoLand # Project : BitOperation # File : jewelry.go */ package entity // Jewelry 首饰实体 type Jewelry struct { JewelID string Mask int Weight float64 Price float64 GroupTag int } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:07 # User : geovindu # Product : GoLand # Project : BitOperation # File : bit_mask.go */ package valueobject // 材质、风格、价位 位掩码常量 const ( // 材质掩码 GOLD 1 0 KGOLD 1 1 PLATINUM 1 2 DIAMOND 1 3 JADE 1 4 PEARL 1 5 RUBY 1 6 SAPPHIRE 1 7 // 风格掩码 LUXURY 1 10 SIMPLE 1 11 RETRO 1 12 MINIMALIST 1 13 // 价位档位 LOWPRICE 1 20 MIDPRICE 1 21 HIGHPRICE 1 22 ) // BitMaskHelper 辅助结构体承载材质/价位等掩码常量供上层以字段形式访问 mask.DIAMOND 等 type BitMaskHelper struct { GOLD int KGOLD int PLATINUM int DIAMOND int JADE int PEARL int HIGHPRICE int } func NewPreferenceBitMask() *BitMaskHelper { return BitMaskHelper{ GOLD: GOLD, KGOLD: KGOLD, PLATINUM: PLATINUM, DIAMOND: DIAMOND, JADE: JADE, PEARL: PEARL, HIGHPRICE: HIGHPRICE, } } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:06 # User : geovindu # Product : GoLand # Project : BitOperation # File : bit_helper.go */ package commonutil // BitHelper 底层通用位运算工具基础设施原子能力 type BitHelper struct{} // AddMask 或运算添加标记 func (bh *BitHelper) AddMask(source, mask int) int { return source | mask } // RemoveMask 清除指定标记 func (bh *BitHelper) RemoveMask(source, mask int) int { return source (^mask) } // HasMask 判断是否包含完整掩码 func (bh *BitHelper) HasMask(source, mask int) bool { return (source mask) mask } // HasAnyMask 包含任意一个掩码 func (bh *BitHelper) HasAnyMask(source int, maskList []int) bool { unionMask : 0 for _, m : range maskList { unionMask | m } return (source unionMask) 0 } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:07 # User : geovindu # Product : GoLand # Project : BitOperation # File : base_storage.go */ package storage // BaseStorage 仓储顶层抽象接口依赖倒置 type BaseStorage interface { Save(key interface{}, value interface{}) Get(key interface{}) interface{} BatchSave(dataMap map[interface{}]interface{}) BatchExistCheck(keys []interface{}) []bool } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:07 # User : geovindu # Product : GoLand # Project : BitOperation # File : memory_storage.go */ package storage // MemoryStorage 内存存储实现 type MemoryStorage struct { dataMap map[interface{}]interface{} } func NewMemoryStorage() *MemoryStorage { return MemoryStorage{ dataMap: make(map[interface{}]interface{}), } } func (m *MemoryStorage) Save(key interface{}, value interface{}) { m.dataMap[key] value } func (m *MemoryStorage) Get(key interface{}) interface{} { return m.dataMap[key] } func (m *MemoryStorage) BatchSave(dataMap map[interface{}]interface{}) { for k, v : range dataMap { m.dataMap[k] v } } func (m *MemoryStorage) BatchExistCheck(keys []interface{}) []bool { res : make([]bool, len(keys)) for i, k : range keys { _, ok : m.dataMap[k] res[i] ok } return res }/* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:20 # User : geovindu # Product : GoLand # Project : BitOperation # File : combine_api.go */ package api import ( BitOperation/application BitOperation/domain/entity ) var combineService application.NewJewelryCombineAppService() func ApiGetJewelryCombine(list []*entity.Jewelry, maxW, maxP float64) application.CombineResult { return combineService.GetBestCombine(list, maxW, maxP) } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:21 # User : geovindu # Product : GoLand # Project : BitOperation # File : inventory_filter_api.go */ package api import BitOperation/application func ApiCreateFilterService(maxSize int) *application.InventoryFilterAppService { return application.NewInventoryFilterAppService(maxSize) } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:20 # User : geovindu # Product : GoLand # Project : BitOperation # File : match_api.go */ package api import ( BitOperation/application BitOperation/domain/entity ) var matchService application.NewGuideCustomerMatchAppService() func ApiMatchGuideCustomer(guides []*entity.Guide, customers []*entity.Customer) application.MatchResult { return matchService.DoMatch(guides, customers) } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:18 # User : geovindu # Product : GoLand # Project : BitOperation # File : combine_app_service.go */ package application import ( BitOperation/domain/algorithm BitOperation/domain/domain_rule BitOperation/domain/entity ) type CombineResult struct { Code int json:code Msg string json:msg FilterError []string json:filter_error SelectIds []string json:select_jewel_ids TotalWeight float64 json:total_weight TotalPrice float64 json:total_price } type JewelryCombineAppService struct { rule *domain_rule.CombineDomainRule } func NewJewelryCombineAppService() *JewelryCombineAppService { return JewelryCombineAppService{ rule: domain_rule.NewCombineDomainRule(), } } func (j *JewelryCombineAppService) GetBestCombine(jewelList []*entity.Jewelry, maxW, maxP float64) CombineResult { validList, errLog : j.rule.BatchFilterAvailableJewels(jewelList) if len(validList) 0 { return CombineResult{ Code: -1, Msg: 无合法首饰可搭配, FilterError: errLog, SelectIds: []string{}, } } combiner : algorithm.NewBfsJewelryCombiner(validList, maxW, maxP) ids, w, p : combiner.SearchBestCombine() // 组装掩码 combineMask : 0 var selectObjs []*entity.Jewelry idMap : make(map[string]*entity.Jewelry) for _, obj : range validList { idMap[obj.JewelID] obj } for _, id : range ids { obj : idMap[id] combineMask | obj.Mask selectObjs append(selectObjs, obj) } ok, msg : j.rule.FullCombineCheck(combineMask, selectObjs, w, p, maxW, maxP) code : 0 if !ok { code -2 } return CombineResult{ Code: code, Msg: msg, FilterError: errLog, SelectIds: ids, TotalWeight: w, TotalPrice: p, } } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:18 # User : geovindu # Product : GoLand # Project : BitOperation # File : inventory_app_service.go */ package application import ( BitOperation/domain/algorithm BitOperation/domain/entity ) type InventoryFilterAppService struct { bitArr *algorithm.BitArray blackList *entity.BlackList idIndexMap map[string]int indexIdMap map[int]string } func NewInventoryFilterAppService(maxSize int) *InventoryFilterAppService { return InventoryFilterAppService{ bitArr: algorithm.NewBitArray(maxSize), blackList: entity.NewBlackList(), idIndexMap: make(map[string]int), indexIdMap: make(map[int]string), } } func (i *InventoryFilterAppService) RegisterIndex(jid string, idx int) { i.idIndexMap[jid] idx i.indexIdMap[idx] jid } func (i *InventoryFilterAppService) BatchMarkInventory(idList []string) { var idxList []int for _, id : range idList { if idx, ok : i.idIndexMap[id]; ok { idxList append(idxList, idx) } } i.bitArr.BatchSet(idxList) } func (i *InventoryFilterAppService) CheckRepeat(checkIds []string) [][2]interface{} { res : make([][2]interface{}, 0, len(checkIds)) for _, id : range checkIds { idx, ok : i.idIndexMap[id] exist : false if ok { exist i.bitArr.Get(idx) } res append(res, [2]interface{}{id, exist}) } return res } func (i *InventoryFilterAppService) FilterBlackList(checkIds []string) []string { var safe []string for _, id : range checkIds { if !i.blackList.IsFake(id) { safe append(safe, id) } } return safe } // MarkBlack 将指定商品ID加入假货黑名单 func (i *InventoryFilterAppService) MarkBlack(id string) { i.blackList.AddFake(id) } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:16 # User : geovindu # Product : GoLand # Project : BitOperation # File : match_app_service.go */ package application import ( BitOperation/domain/algorithm BitOperation/domain/domain_rule BitOperation/domain/entity ) type MatchResult struct { Code int json:code Msg string json:msg ErrorLog []string json:error_log MatchData map[string]string json:match_data } // GuideCustomerMatchAppService 导购客户匹配应用服务 type GuideCustomerMatchAppService struct { rule *domain_rule.MatchDomainRule } func NewGuideCustomerMatchAppService() *GuideCustomerMatchAppService { return GuideCustomerMatchAppService{ rule: domain_rule.NewMatchDomainRule(), } } func (g *GuideCustomerMatchAppService) DoMatch(guides []*entity.Guide, customers []*entity.Customer) MatchResult { validG, validC, errLog : g.rule.BatchCheckMatchEntrance(guides, customers) if len(validG) 0 || len(validC) 0 { return MatchResult{ Code: -1, Msg: 无合法导购/客户匹配终止, ErrorLog: errLog, MatchData: make(map[string]string), } } matcher : algorithm.NewGaleShapleyMatcher(validG, validC) data : matcher.Match() return MatchResult{ Code: 0, Msg: 匹配成功, ErrorLog: errLog, MatchData: data, } }调用/* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:06 # User : geovindu # Product : GoLand # Project : BitOperation # File : main.go */ package main import ( BitOperation/api BitOperation/domain/domain_rule BitOperation/domain/entity BitOperation/domain/valueobject fmt ) //TIP pTo run your code, right-click the code and select bRun/b./p pAlternatively, click // the icon srcAllIcons.Actions.Execute/ icon in the gutter and select the bRun/b menu item from here./p func main() { mask : valueobject.NewPreferenceBitMask() fmt.Println(导购客户稳定匹配结果带规则校验) // 构造离岗导购、资深导购 g1 : entity.Guide{ GuideID: G001, SkillMask: mask.DIAMOND | mask.GOLD | domain_rule.GUIDE_OFFLINE_MASK, CustomerPriority: []string{C001, C002}, } g2 : entity.Guide{ GuideID: G002, SkillMask: mask.JADE | mask.PEARL | domain_rule.SENIOR_GUIDE_TAG, CustomerPriority: []string{C002, C001}, } c1 : entity.Customer{ CustomerID: C001, PreferenceMask: mask.DIAMOND | mask.HIGHPRICE, PriorityList: []string{G001, G002}, } c2 : entity.Customer{ CustomerID: C002, PreferenceMask: mask.JADE, PriorityList: []string{G002, G001}, } matchRes : api.ApiMatchGuideCustomer([]*entity.Guide{g1, g2}, []*entity.Customer{c1, c2}) fmt.Printf(code:%d, msg:%s\n, matchRes.Code, matchRes.Msg) fmt.Println(errorLog:, matchRes.ErrorLog) fmt.Println(match_data:, matchRes.MatchData) fmt.Println(\n首饰最优搭配互斥规则校验) jewels : []*entity.Jewelry{ {JewelID: J001, Mask: mask.GOLD, Weight: 2.2, Price: 1280}, {JewelID: J002, Mask: mask.PLATINUM, Weight: 1.5, Price: 2680}, {JewelID: J003, Mask: mask.PEARL, Weight: 1.1, Price: 890}, {JewelID: J004, Mask: mask.KGOLD, Weight: 2.8, Price: 1660}, } comRes : api.ApiGetJewelryCombine(jewels, 5.0, 4000) fmt.Printf(code:%d, msg:%s\n, comRes.Code, comRes.Msg) fmt.Println(select_jewel_ids:, comRes.SelectIds) fmt.Printf(total_weight:%.2f, total_price:%.2f\n, comRes.TotalWeight, comRes.TotalPrice) fmt.Println(\n库存查重、黑名单过滤) filter : api.ApiCreateFilterService(10000000) filter.RegisterIndex(J001, 1) filter.RegisterIndex(J002, 2) filter.BatchMarkInventory([]string{J001, J002}) repeat : filter.CheckRepeat([]string{J001, J005}) fmt.Println(查重结果:, repeat) filter.MarkBlack(J999) safe : filter.FilterBlackList([]string{J001, J999}) fmt.Println(合法商品列表:, safe) }输出 go:Bit Operation Algorithm
/* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:15 # User : geovindu # Product : GoLand # Project : BitOperation # File : bfs_combine.go */ package algorithm import ( BitOperation/domain/entity container/list ) type node struct { mask int totalW float64 totalP float64 } // BfsJewelryCombiner BFS位掩码搭配算法 type BfsJewelryCombiner struct { jewels []*entity.Jewelry n int maxW float64 maxP float64 bestMask int bestRate float64 } func NewBfsJewelryCombiner(list []*entity.Jewelry, maxW, maxP float64) *BfsJewelryCombiner { return BfsJewelryCombiner{ jewels: list, n: len(list), maxW: maxW, maxP: maxP, } } func (b *BfsJewelryCombiner) SearchBestCombine() ([]string, float64, float64) { queue : list.New() queue.PushBack(node{mask: 0, totalW: 0, totalP: 0}) b.bestMask 0 b.bestRate 0 for queue.Len() 0 { elem : queue.Front() queue.Remove(elem) cur : elem.Value.(node) rate : 0.0 if cur.totalW 0 { rate cur.totalP / cur.totalW } if rate b.bestRate { b.bestRate rate b.bestMask cur.mask } for i : 0; i b.n; i { if (cur.mask (1 i)) 0 { newMask : cur.mask | (1 i) newW : cur.totalW b.jewels[i].Weight newP : cur.totalP b.jewels[i].Price if newW b.maxW newP b.maxP { queue.PushBack(node{mask: newMask, totalW: newW, totalP: newP}) } } } } // 解析掩码 var ids []string var tw, tp float64 for i : 0; i b.n; i { if (b.bestMask (1 i)) ! 0 { ids append(ids, b.jewels[i].JewelID) tw b.jewels[i].Weight tp b.jewels[i].Price } } return ids, tw, tp } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:16 # User : geovindu # Product : GoLand # Project : BitOperation # File : bit_array.go */ package algorithm // BitArray 高性能位图千万级查重、黑名单过滤 type BitArray struct { size int arr []byte } func NewBitArray(size int) *BitArray { byteLen : (size 7) / 8 return BitArray{ size: size, arr: make([]byte, byteLen), } } func (b *BitArray) Set(idx int) { if idx 0 || idx b.size { return } pos : idx / 8 bit : idx % 8 b.arr[pos] | 1 bit } func (b *BitArray) UnSet(idx int) { if idx 0 || idx b.size { return } pos : idx / 8 bit : idx % 8 b.arr[pos] ^ 1 bit } func (b *BitArray) Get(idx int) bool { if idx 0 || idx b.size { return false } pos : idx / 8 bit : idx % 8 return (b.arr[pos] (1 bit)) ! 0 } func (b *BitArray) BatchSet(indexList []int) { for _, idx : range indexList { b.Set(idx) } } func (b *BitArray) BatchCheck(indexList []int) []bool { res : make([]bool, len(indexList)) for i, idx : range indexList { res[i] b.Get(idx) } return res } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:15 # User : geovindu # Product : GoLand # Project : BitOperation # File : gale_shapley.go */ package algorithm import BitOperation/domain/entity // GaleShapleyMatcher GS稳定婚配算法 type GaleShapleyMatcher struct { guideList []*entity.Guide custList []*entity.Customer guideMap map[string]*entity.Guide custMap map[string]*entity.Customer guideMatch map[string]string custMatch map[string]string guidePtr map[string]int } func NewGaleShapleyMatcher(guides []*entity.Guide, customers []*entity.Customer) *GaleShapleyMatcher { gm : make(map[string]*entity.Guide) cm : make(map[string]*entity.Customer) ptr : make(map[string]int) for _, g : range guides { gm[g.GuideID] g ptr[g.GuideID] 0 } for _, c : range customers { cm[c.CustomerID] c } return GaleShapleyMatcher{ guideList: guides, custList: customers, guideMap: gm, custMap: cm, guideMatch: make(map[string]string), custMatch: make(map[string]string), guidePtr: ptr, } } func (g *GaleShapleyMatcher) getCustRank(guide *entity.Guide, cid string) int { for idx, id : range guide.CustomerPriority { if id cid { return idx } } return 999 } func (g *GaleShapleyMatcher) getGuideRank(cust *entity.Customer, gid string) int { guide : g.guideMap[gid] score : cust.MatchScore(guide.SkillMask) return -score } func (g *GaleShapleyMatcher) Match() map[string]string { freeGuide : make([]string, 0) for _, gObj : range g.guideList { freeGuide append(freeGuide, gObj.GuideID) } for len(freeGuide) 0 { gid : freeGuide[0] freeGuide freeGuide[1:] guide : g.guideMap[gid] ptr : g.guidePtr[gid] if ptr len(guide.CustomerPriority) { continue } cid : guide.CustomerPriority[ptr] g.guidePtr[gid] cust : g.custMap[cid] if _, ok : g.custMatch[cid]; !ok { g.guideMatch[gid] cid g.custMatch[cid] gid } else { oldGid : g.custMatch[cid] r1 : g.getGuideRank(cust, gid) r2 : g.getGuideRank(cust, oldGid) if r1 r2 { g.guideMatch[gid] cid g.custMatch[cid] gid delete(g.guideMatch, oldGid) freeGuide append(freeGuide, oldGid) } else { freeGuide append(freeGuide, gid) } } } return g.custMatch } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:12 # User : geovindu # Product : GoLand # Project : BitOperation # File : combine_rule.go */ package domain_rule import ( BitOperation/domain/entity BitOperation/domain/valueobject ) // CombineDomainRule 首饰搭配领域约束规则 type CombineDomainRule struct { MAX_COMBINE_COUNT int MIN_COMBINE_WEIGHT float64 MUTEX_GOLD int MUTEX_PLATINUM int } func NewCombineDomainRule() *CombineDomainRule { return CombineDomainRule{ MAX_COMBINE_COUNT: 6, MIN_COMBINE_WEIGHT: 1.0, MUTEX_GOLD: valueobject.GOLD, MUTEX_PLATINUM: valueobject.PLATINUM, } } // IsSingleJewelValid 单件首饰校验 func (c *CombineDomainRule) IsSingleJewelValid(j *entity.Jewelry) (bool, string) { if j nil { return false, 对象非首饰Jewelry实体 } if j.JewelID { return false, 首饰唯一ID为空 } if j.Weight 0 { return false, 首饰[ j.JewelID ]克重非法必须大于0 } if j.Price 0 { return false, 首饰[ j.JewelID ]价格非法必须大于0 } return true, 单件首饰校验通过 } // CheckMaterialMutex 黄金铂金互斥校验 func (c *CombineDomainRule) CheckMaterialMutex(combineMask int) (bool, string) { hasGold : (combineMask c.MUTEX_GOLD) ! 0 hasPt : (combineMask c.MUTEX_PLATINUM) ! 0 if hasGold hasPt { return false, 搭配组合违反规则黄金与铂金禁止放入同一礼盒 } return true, 材质互斥校验通过 } // CheckCombineThreshold 重量价格阈值校验 func (c *CombineDomainRule) CheckCombineThreshold(totalW, totalP, maxW, maxP float64) (bool, string) { if totalW c.MIN_COMBINE_WEIGHT { return false, 总克重低于礼盒最低克重1.0g } if totalW maxW { return false, 总克重超出上限 } if totalP maxP { return false, 总价超出价格上限 } return true, 搭配阈值校验通过 } // CheckCombineCount 件数上限 func (c *CombineDomainRule) CheckCombineCount(cnt int) (bool, string) { if cnt c.MAX_COMBINE_COUNT { return false, 搭配件数超出礼盒最大件数6件 } return true, 件数校验通过 } // BatchFilterAvailableJewels 批量过滤合法首饰 func (c *CombineDomainRule) BatchFilterAvailableJewels(list []*entity.Jewelry) ([]*entity.Jewelry, []string) { var valid []*entity.Jewelry var errLog []string for _, j : range list { ok, msg : c.IsSingleJewelValid(j) if ok { valid append(valid, j) } else { errLog append(errLog, msg) } } return valid, errLog } // FullCombineCheck 组合全量综合校验 func (c *CombineDomainRule) FullCombineCheck(mask int, jewels []*entity.Jewelry, totalW, totalP, maxW, maxP float64) (bool, string) { ok, msg : c.CheckCombineCount(len(jewels)) if !ok { return false, msg } ok, msg c.CheckMaterialMutex(mask) if !ok { return false, msg } ok, msg c.CheckCombineThreshold(totalW, totalP, maxW, maxP) if !ok { return false, msg } return true, 搭配组合完全合规 } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:11 # User : geovindu # Product : GoLand # Project : BitOperation # File : match_rule.go */ package domain_rule import ( BitOperation/domain/entity BitOperation/domain/valueobject ) // 包内常量固定全局掩码标识编译期常量合法标准写法 const ( GUIDE_OFFLINE_MASK 1 30 CUSTOMER_BLACK_MASK 1 31 SENIOR_GUIDE_TAG 1 28 ) // MatchDomainRule 导购-客户匹配领域规则结构体仅保留运行期赋值字段 type MatchDomainRule struct { LUXURY_MASK int // 高奢组合掩码构造函数内组合赋值 } // NewMatchDomainRule 构造函数统一初始化组合掩码 func NewMatchDomainRule() *MatchDomainRule { return MatchDomainRule{ LUXURY_MASK: valueobject.HIGHPRICE | valueobject.DIAMOND, } } // IsGuideValid 导购合法性校验 func (m *MatchDomainRule) IsGuideValid(g *entity.Guide) (bool, string) { if g nil { return false, 实体类型错误非导购Guide对象 } if g.GuideID { return false, 导购ID不能为空 } if len(g.CustomerPriority) 0 { return false, 导购未配置客户接待优先级列表无法参与匹配 } if (g.SkillMask GUIDE_OFFLINE_MASK) ! 0 { return false, 导购[ g.GuideID ]当前离岗禁止分配客户 } return true, 导购校验通过 } // IsCustomerValid 客户合法性校验 func (m *MatchDomainRule) IsCustomerValid(c *entity.Customer) (bool, string) { if c nil { return false, 实体类型错误非客户Customer对象 } if c.CustomerID { return false, 客户ID不能为空 } if len(c.PriorityList) 0 { return false, 客户未配置导购偏好优先级无法参与匹配 } if (c.PreferenceMask CUSTOMER_BLACK_MASK) ! 0 { return false, 客户[ c.CustomerID ]处于黑名单禁止分配导购接待 } return true, 客户校验通过 } // CheckLuxuryMatchLimit 高奢导购资质校验 func (m *MatchDomainRule) CheckLuxuryMatchLimit(g *entity.Guide, c *entity.Customer) (bool, string) { needLuxury : (c.PreferenceMask m.LUXURY_MASK) ! 0 if !needLuxury { return true, 非高奢需求无导购等级限制 } if (g.SkillMask SENIOR_GUIDE_TAG) 0 { return false, 客户[ c.CustomerID ]存在高奢需求导购[ g.GuideID ]非资深导购禁止匹配 } return true, 高奢需求匹配资格校验通过 } // BatchCheckMatchEntrance 批量准入过滤 func (m *MatchDomainRule) BatchCheckMatchEntrance(guides []*entity.Guide, customers []*entity.Customer) ([]*entity.Guide, []*entity.Customer, []string) { var validGuide []*entity.Guide var validCust []*entity.Customer var errLog []string for _, g : range guides { ok, msg : m.IsGuideValid(g) if ok { validGuide append(validGuide, g) } else { errLog append(errLog, 导购过滤msg) } } for _, c : range customers { ok, msg : m.IsCustomerValid(c) if ok { validCust append(validCust, c) } else { errLog append(errLog, 客户过滤msg) } } return validGuide, validCust, errLog } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:14 # User : geovindu # Product : GoLand # Project : BitOperation # File : blacklist.go */ package entity import sync // BlackList 假货黑名单实体 type BlackList struct { fakeIds map[string]bool mu sync.RWMutex } func NewBlackList() *BlackList { return BlackList{ fakeIds: make(map[string]bool), } } func (b *BlackList) AddFake(id string) { b.mu.Lock() defer b.mu.Unlock() b.fakeIds[id] true } func (b *BlackList) BatchAdd(ids []string) { b.mu.Lock() defer b.mu.Unlock() for _, id : range ids { b.fakeIds[id] true } } func (b *BlackList) IsFake(id string) bool { b.mu.RLock() defer b.mu.RUnlock() return b.fakeIds[id] } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:08 # User : geovindu # Product : GoLand # Project : BitOperation # File : customer.go */ package entity // Customer 客户领域实体 type Customer struct { CustomerID string PreferenceMask int PriorityList []string // 导购偏好优先级列表 } // MatchScore 计算与导购技能掩码匹配重合bit数量 func (c *Customer) MatchScore(guideMask int) int { sameBit : c.PreferenceMask guideMask cnt : 0 for sameBit 0 { cnt sameBit sameBit - 1 } return cnt } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:13 # User : geovindu # Product : GoLand # Project : BitOperation # File : guide.go */ package entity // Guide 导购领域实体 type Guide struct { GuideID string SkillMask int CustomerPriority []string // 接待客户优先级 } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:13 # User : geovindu # Product : GoLand # Project : BitOperation # File : jewelry.go */ package entity // Jewelry 首饰实体 type Jewelry struct { JewelID string Mask int Weight float64 Price float64 GroupTag int } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:07 # User : geovindu # Product : GoLand # Project : BitOperation # File : bit_mask.go */ package valueobject // 材质、风格、价位 位掩码常量 const ( // 材质掩码 GOLD 1 0 KGOLD 1 1 PLATINUM 1 2 DIAMOND 1 3 JADE 1 4 PEARL 1 5 RUBY 1 6 SAPPHIRE 1 7 // 风格掩码 LUXURY 1 10 SIMPLE 1 11 RETRO 1 12 MINIMALIST 1 13 // 价位档位 LOWPRICE 1 20 MIDPRICE 1 21 HIGHPRICE 1 22 ) // BitMaskHelper 辅助结构体承载材质/价位等掩码常量供上层以字段形式访问 mask.DIAMOND 等 type BitMaskHelper struct { GOLD int KGOLD int PLATINUM int DIAMOND int JADE int PEARL int HIGHPRICE int } func NewPreferenceBitMask() *BitMaskHelper { return BitMaskHelper{ GOLD: GOLD, KGOLD: KGOLD, PLATINUM: PLATINUM, DIAMOND: DIAMOND, JADE: JADE, PEARL: PEARL, HIGHPRICE: HIGHPRICE, } } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:06 # User : geovindu # Product : GoLand # Project : BitOperation # File : bit_helper.go */ package commonutil // BitHelper 底层通用位运算工具基础设施原子能力 type BitHelper struct{} // AddMask 或运算添加标记 func (bh *BitHelper) AddMask(source, mask int) int { return source | mask } // RemoveMask 清除指定标记 func (bh *BitHelper) RemoveMask(source, mask int) int { return source (^mask) } // HasMask 判断是否包含完整掩码 func (bh *BitHelper) HasMask(source, mask int) bool { return (source mask) mask } // HasAnyMask 包含任意一个掩码 func (bh *BitHelper) HasAnyMask(source int, maskList []int) bool { unionMask : 0 for _, m : range maskList { unionMask | m } return (source unionMask) 0 } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:07 # User : geovindu # Product : GoLand # Project : BitOperation # File : base_storage.go */ package storage // BaseStorage 仓储顶层抽象接口依赖倒置 type BaseStorage interface { Save(key interface{}, value interface{}) Get(key interface{}) interface{} BatchSave(dataMap map[interface{}]interface{}) BatchExistCheck(keys []interface{}) []bool } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:07 # User : geovindu # Product : GoLand # Project : BitOperation # File : memory_storage.go */ package storage // MemoryStorage 内存存储实现 type MemoryStorage struct { dataMap map[interface{}]interface{} } func NewMemoryStorage() *MemoryStorage { return MemoryStorage{ dataMap: make(map[interface{}]interface{}), } } func (m *MemoryStorage) Save(key interface{}, value interface{}) { m.dataMap[key] value } func (m *MemoryStorage) Get(key interface{}) interface{} { return m.dataMap[key] } func (m *MemoryStorage) BatchSave(dataMap map[interface{}]interface{}) { for k, v : range dataMap { m.dataMap[k] v } } func (m *MemoryStorage) BatchExistCheck(keys []interface{}) []bool { res : make([]bool, len(keys)) for i, k : range keys { _, ok : m.dataMap[k] res[i] ok } return res }/* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:20 # User : geovindu # Product : GoLand # Project : BitOperation # File : combine_api.go */ package api import ( BitOperation/application BitOperation/domain/entity ) var combineService application.NewJewelryCombineAppService() func ApiGetJewelryCombine(list []*entity.Jewelry, maxW, maxP float64) application.CombineResult { return combineService.GetBestCombine(list, maxW, maxP) } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:21 # User : geovindu # Product : GoLand # Project : BitOperation # File : inventory_filter_api.go */ package api import BitOperation/application func ApiCreateFilterService(maxSize int) *application.InventoryFilterAppService { return application.NewInventoryFilterAppService(maxSize) } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:20 # User : geovindu # Product : GoLand # Project : BitOperation # File : match_api.go */ package api import ( BitOperation/application BitOperation/domain/entity ) var matchService application.NewGuideCustomerMatchAppService() func ApiMatchGuideCustomer(guides []*entity.Guide, customers []*entity.Customer) application.MatchResult { return matchService.DoMatch(guides, customers) } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:18 # User : geovindu # Product : GoLand # Project : BitOperation # File : combine_app_service.go */ package application import ( BitOperation/domain/algorithm BitOperation/domain/domain_rule BitOperation/domain/entity ) type CombineResult struct { Code int json:code Msg string json:msg FilterError []string json:filter_error SelectIds []string json:select_jewel_ids TotalWeight float64 json:total_weight TotalPrice float64 json:total_price } type JewelryCombineAppService struct { rule *domain_rule.CombineDomainRule } func NewJewelryCombineAppService() *JewelryCombineAppService { return JewelryCombineAppService{ rule: domain_rule.NewCombineDomainRule(), } } func (j *JewelryCombineAppService) GetBestCombine(jewelList []*entity.Jewelry, maxW, maxP float64) CombineResult { validList, errLog : j.rule.BatchFilterAvailableJewels(jewelList) if len(validList) 0 { return CombineResult{ Code: -1, Msg: 无合法首饰可搭配, FilterError: errLog, SelectIds: []string{}, } } combiner : algorithm.NewBfsJewelryCombiner(validList, maxW, maxP) ids, w, p : combiner.SearchBestCombine() // 组装掩码 combineMask : 0 var selectObjs []*entity.Jewelry idMap : make(map[string]*entity.Jewelry) for _, obj : range validList { idMap[obj.JewelID] obj } for _, id : range ids { obj : idMap[id] combineMask | obj.Mask selectObjs append(selectObjs, obj) } ok, msg : j.rule.FullCombineCheck(combineMask, selectObjs, w, p, maxW, maxP) code : 0 if !ok { code -2 } return CombineResult{ Code: code, Msg: msg, FilterError: errLog, SelectIds: ids, TotalWeight: w, TotalPrice: p, } } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:18 # User : geovindu # Product : GoLand # Project : BitOperation # File : inventory_app_service.go */ package application import ( BitOperation/domain/algorithm BitOperation/domain/entity ) type InventoryFilterAppService struct { bitArr *algorithm.BitArray blackList *entity.BlackList idIndexMap map[string]int indexIdMap map[int]string } func NewInventoryFilterAppService(maxSize int) *InventoryFilterAppService { return InventoryFilterAppService{ bitArr: algorithm.NewBitArray(maxSize), blackList: entity.NewBlackList(), idIndexMap: make(map[string]int), indexIdMap: make(map[int]string), } } func (i *InventoryFilterAppService) RegisterIndex(jid string, idx int) { i.idIndexMap[jid] idx i.indexIdMap[idx] jid } func (i *InventoryFilterAppService) BatchMarkInventory(idList []string) { var idxList []int for _, id : range idList { if idx, ok : i.idIndexMap[id]; ok { idxList append(idxList, idx) } } i.bitArr.BatchSet(idxList) } func (i *InventoryFilterAppService) CheckRepeat(checkIds []string) [][2]interface{} { res : make([][2]interface{}, 0, len(checkIds)) for _, id : range checkIds { idx, ok : i.idIndexMap[id] exist : false if ok { exist i.bitArr.Get(idx) } res append(res, [2]interface{}{id, exist}) } return res } func (i *InventoryFilterAppService) FilterBlackList(checkIds []string) []string { var safe []string for _, id : range checkIds { if !i.blackList.IsFake(id) { safe append(safe, id) } } return safe } // MarkBlack 将指定商品ID加入假货黑名单 func (i *InventoryFilterAppService) MarkBlack(id string) { i.blackList.AddFake(id) } /* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:16 # User : geovindu # Product : GoLand # Project : BitOperation # File : match_app_service.go */ package application import ( BitOperation/domain/algorithm BitOperation/domain/domain_rule BitOperation/domain/entity ) type MatchResult struct { Code int json:code Msg string json:msg ErrorLog []string json:error_log MatchData map[string]string json:match_data } // GuideCustomerMatchAppService 导购客户匹配应用服务 type GuideCustomerMatchAppService struct { rule *domain_rule.MatchDomainRule } func NewGuideCustomerMatchAppService() *GuideCustomerMatchAppService { return GuideCustomerMatchAppService{ rule: domain_rule.NewMatchDomainRule(), } } func (g *GuideCustomerMatchAppService) DoMatch(guides []*entity.Guide, customers []*entity.Customer) MatchResult { validG, validC, errLog : g.rule.BatchCheckMatchEntrance(guides, customers) if len(validG) 0 || len(validC) 0 { return MatchResult{ Code: -1, Msg: 无合法导购/客户匹配终止, ErrorLog: errLog, MatchData: make(map[string]string), } } matcher : algorithm.NewGaleShapleyMatcher(validG, validC) data : matcher.Match() return MatchResult{ Code: 0, Msg: 匹配成功, ErrorLog: errLog, MatchData: data, } }调用/* # 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Bit Operation Algorithm # 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 : 2026/8/4 23:06 # User : geovindu # Product : GoLand # Project : BitOperation # File : main.go */ package main import ( BitOperation/api BitOperation/domain/domain_rule BitOperation/domain/entity BitOperation/domain/valueobject fmt ) //TIP pTo run your code, right-click the code and select bRun/b./p pAlternatively, click // the icon srcAllIcons.Actions.Execute/ icon in the gutter and select the bRun/b menu item from here./p func main() { mask : valueobject.NewPreferenceBitMask() fmt.Println(导购客户稳定匹配结果带规则校验) // 构造离岗导购、资深导购 g1 : entity.Guide{ GuideID: G001, SkillMask: mask.DIAMOND | mask.GOLD | domain_rule.GUIDE_OFFLINE_MASK, CustomerPriority: []string{C001, C002}, } g2 : entity.Guide{ GuideID: G002, SkillMask: mask.JADE | mask.PEARL | domain_rule.SENIOR_GUIDE_TAG, CustomerPriority: []string{C002, C001}, } c1 : entity.Customer{ CustomerID: C001, PreferenceMask: mask.DIAMOND | mask.HIGHPRICE, PriorityList: []string{G001, G002}, } c2 : entity.Customer{ CustomerID: C002, PreferenceMask: mask.JADE, PriorityList: []string{G002, G001}, } matchRes : api.ApiMatchGuideCustomer([]*entity.Guide{g1, g2}, []*entity.Customer{c1, c2}) fmt.Printf(code:%d, msg:%s\n, matchRes.Code, matchRes.Msg) fmt.Println(errorLog:, matchRes.ErrorLog) fmt.Println(match_data:, matchRes.MatchData) fmt.Println(\n首饰最优搭配互斥规则校验) jewels : []*entity.Jewelry{ {JewelID: J001, Mask: mask.GOLD, Weight: 2.2, Price: 1280}, {JewelID: J002, Mask: mask.PLATINUM, Weight: 1.5, Price: 2680}, {JewelID: J003, Mask: mask.PEARL, Weight: 1.1, Price: 890}, {JewelID: J004, Mask: mask.KGOLD, Weight: 2.8, Price: 1660}, } comRes : api.ApiGetJewelryCombine(jewels, 5.0, 4000) fmt.Printf(code:%d, msg:%s\n, comRes.Code, comRes.Msg) fmt.Println(select_jewel_ids:, comRes.SelectIds) fmt.Printf(total_weight:%.2f, total_price:%.2f\n, comRes.TotalWeight, comRes.TotalPrice) fmt.Println(\n库存查重、黑名单过滤) filter : api.ApiCreateFilterService(10000000) filter.RegisterIndex(J001, 1) filter.RegisterIndex(J002, 2) filter.BatchMarkInventory([]string{J001, J002}) repeat : filter.CheckRepeat([]string{J001, J005}) fmt.Println(查重结果:, repeat) filter.MarkBlack(J999) safe : filter.FilterBlackList([]string{J001, J999}) fmt.Println(合法商品列表:, safe) }输出