A:数据库初始化，并增加User表示例

rear/go.mod

@@ -8,10 +8,14 @@ require (
 	github.com/gin-gonic/gin v1.10.1
 	go.uber.org/zap v1.27.0
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1
+	gorm.io/driver/mysql v1.6.0
+	gorm.io/driver/sqlite v1.6.0
+	gorm.io/gorm v1.30.0
 
 )
 
 require (
+	filippo.io/edwards25519 v1.1.0 // indirect
 	github.com/bytedance/sonic v1.13.3 // indirect
 	github.com/bytedance/sonic/loader v0.2.4 // indirect
 	github.com/cloudwego/base64x v0.1.5 // indirect
@@ -20,11 +24,15 @@ require (
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
 	github.com/go-playground/validator/v10 v10.26.0 // indirect
+	github.com/go-sql-driver/mysql v1.8.1 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/jinzhu/inflection v1.0.0 // indirect
+	github.com/jinzhu/now v1.1.5 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.10 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-sqlite3 v1.14.22 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect

rear/go.sum

@@ -1,187 +1,119 @@
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-github.com/bytedance/sonic v1.10.0-rc/go.mod h1:ElCzW+ufi8qKqNW0FY314xriJhyJhuoJ3gFZdAHF7NM=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
-github.com/bytedance/sonic v1.11.2 h1:ywfwo0a/3j9HR8wsYGWsIWl2mvRsI950HyoxiBERw5A=
-github.com/bytedance/sonic v1.11.2/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
 github.com/bytedance/sonic v1.13.3 h1:MS8gmaH16Gtirygw7jV91pDCN33NyMrPbN7qiYhEsF0=
 github.com/bytedance/sonic v1.13.3/go.mod h1:o68xyaF9u2gvVBuGHPlUVCy+ZfmNNO5ETf1+KgkJhz4=
 github.com/bytedance/sonic/loader v0.1.1/go.mod h1:ncP89zfokxS5LZrJxl5z0UJcsk4M4yY2JpfqGeCtNLU=
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rear/internal/config/config.go

@@ -1,4 +1,4 @@
-package model
+package config
 
 import (
 	"rear/internal/utils"

rear/internal/config/database.go

@@ -0,0 +1,32 @@
+package config
+
+import (
+	"time"
+)
+
+// DatabaseConfig 数据库配置
+type DatabaseConfig struct {
+	Type DatabaseType
+	// Mysql 属性
+	Host string
+	// Mysql 属性
+	Port     string
+	Database string
+	// Mysql 属性
+	Username string
+	// Mysql 属性
+	Password string
+	// SQLite specific
+	DBPath       string
+	MaxIdleConns int
+	MaxOpenConns int
+	MaxLifetime  time.Duration
+}
+
+// DatabaseType 数据库类型
+type DatabaseType string
+
+const (
+	SQLite DatabaseType = "sqlite"
+	MySQL  DatabaseType = "mysql"
+)

rear/internal/db/db.go

@@ -0,0 +1,290 @@
+package db
+
+import (
+	"context"
+	"fmt"
+	"gorm.io/driver/mysql"
+	"gorm.io/driver/sqlite"
+	"gorm.io/gorm/logger"
+	"rear/internal/config"
+	"sync"
+	"time"
+
+	"gorm.io/gorm"
+)
+
+// WriteTask 写任务接口
+type WriteTask interface {
+	Execute(db *gorm.DB) error
+	GetPriority() int // 优先级，用于任务排序
+	GetID() string    // 任务ID，用于去重或追踪
+}
+
+// WriteTaskResult 写任务结果
+type WriteTaskResult struct {
+	TaskID string
+	Error  error
+}
+
+// TaskCallback 任务回调
+type TaskCallback struct {
+	OnSuccess func(taskID string)
+	OnError   func(taskID string, err error)
+}
+
+// DatabaseManager 数据库管理器
+type DatabaseManager struct {
+	db     *gorm.DB
+	dbType config.DatabaseType
+
+	// 写任务队列
+	writeQueue  chan WriteTaskWithCallback
+	resultQueue chan WriteTaskResult
+	stopCh      chan struct{}
+	wg          sync.WaitGroup
+
+	// 读写分离配置
+	maxWriteWorkers int
+	maxRetries      int
+}
+
+// WriteTaskWithCallback 带回调的写任务
+type WriteTaskWithCallback struct {
+	Task     WriteTask
+	Callback TaskCallback
+}
+
+// NewDatabaseManager 创建数据库管理器
+func NewDatabaseManager(db *gorm.DB, dbType config.DatabaseType) *DatabaseManager {
+	maxWorkers := 1 // SQLite默认单线程
+	if dbType == config.MySQL {
+		maxWorkers = 10 // MySQL可以多线程
+	}
+
+	dm := &DatabaseManager{
+		db:              db,
+		dbType:          dbType,
+		writeQueue:      make(chan WriteTaskWithCallback, 1000), // 缓冲队列
+		resultQueue:     make(chan WriteTaskResult, 1000),
+		stopCh:          make(chan struct{}),
+		maxWriteWorkers: maxWorkers,
+		maxRetries:      3,
+	}
+
+	dm.start()
+	return dm
+}
+
+// start 启动数据库管理器
+func (dm *DatabaseManager) start() {
+	// 启动写任务处理器
+	for i := 0; i < dm.maxWriteWorkers; i++ {
+		dm.wg.Add(1)
+		go dm.writeWorker(i)
+	}
+
+	// 启动结果处理器
+	dm.wg.Add(1)
+	go dm.resultProcessor()
+}
+
+// writeWorker 写任务工作协程
+func (dm *DatabaseManager) writeWorker(workerID int) {
+	defer dm.wg.Done()
+
+	for {
+		select {
+		case taskWithCallback := <-dm.writeQueue:
+			dm.executeWriteTask(taskWithCallback)
+		case <-dm.stopCh:
+			return
+		}
+	}
+}
+
+// executeWriteTask 执行写任务
+func (dm *DatabaseManager) executeWriteTask(taskWithCallback WriteTaskWithCallback) {
+	task := taskWithCallback.Task
+	callback := taskWithCallback.Callback
+
+	var err error
+	for retry := 0; retry < dm.maxRetries; retry++ {
+		// 对于SQLite，可以使用事务来优化性能
+		if dm.dbType == config.SQLite {
+			err = dm.db.Transaction(func(tx *gorm.DB) error {
+				return task.Execute(tx)
+			})
+		} else {
+			err = task.Execute(dm.db)
+		}
+
+		if err == nil {
+			break
+		}
+
+		// 重试延迟
+		if retry < dm.maxRetries-1 {
+			time.Sleep(time.Millisecond * time.Duration(100*(retry+1)))
+		}
+	}
+
+	// 发送结果
+	result := WriteTaskResult{
+		TaskID: task.GetID(),
+		Error:  err,
+	}
+
+	select {
+	case dm.resultQueue <- result:
+	default:
+		// 结果队列满了，直接执行回调
+		if err != nil && callback.OnError != nil {
+			callback.OnError(task.GetID(), err)
+		} else if err == nil && callback.OnSuccess != nil {
+			callback.OnSuccess(task.GetID())
+		}
+	}
+}
+
+// resultProcessor 结果处理器
+func (dm *DatabaseManager) resultProcessor() {
+	defer dm.wg.Done()
+
+	for {
+		select {
+		case result := <-dm.resultQueue:
+			// 这里可以进行结果处理，比如记录日志、监控等
+			fmt.Printf("Task %s completed with error: %v\n", result.TaskID, result.Error)
+		case <-dm.stopCh:
+			return
+		}
+	}
+}
+
+// SubmitWriteTask 提交写任务
+func (dm *DatabaseManager) SubmitWriteTask(task WriteTask, callback TaskCallback) error {
+	taskWithCallback := WriteTaskWithCallback{
+		Task:     task,
+		Callback: callback,
+	}
+
+	select {
+	case dm.writeQueue <- taskWithCallback:
+		return nil
+	default:
+		return fmt.Errorf("write queue is full")
+	}
+}
+
+// SubmitWriteTaskSync 同步提交写任务
+func (dm *DatabaseManager) SubmitWriteTaskSync(ctx context.Context, task WriteTask) error {
+	done := make(chan error, 1)
+
+	callback := TaskCallback{
+		OnSuccess: func(taskID string) {
+			done <- nil
+		},
+		OnError: func(taskID string, err error) {
+			done <- err
+		},
+	}
+
+	if err := dm.SubmitWriteTask(task, callback); err != nil {
+		return err
+	}
+
+	select {
+	case err := <-done:
+		return err
+	case <-ctx.Done():
+		return ctx.Err()
+	}
+}
+
+// ReadDirect 直接读取（不经过队列）
+func (dm *DatabaseManager) ReadDirect() *gorm.DB {
+	return dm.db
+}
+
+// GetDB 获取数据库连接（仅用于读操作）
+func (dm *DatabaseManager) GetDB() *gorm.DB {
+	return dm.db
+}
+
+// Stop 停止数据库管理器
+func (dm *DatabaseManager) Stop() {
+	close(dm.stopCh)
+	dm.wg.Wait()
+}
+
+func InitDatabase() error {
+	databaseConfig := getDatabaseConfig()
+
+	var db *gorm.DB
+	var err error
+
+	switch databaseConfig.Type {
+	case config.MySQL:
+		dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local",
+			databaseConfig.Username, databaseConfig.Password, databaseConfig.Host, databaseConfig.Port, databaseConfig.Database)
+		db, err = gorm.Open(mysql.Open(dsn), &gorm.Config{
+			Logger: logger.Default.LogMode(logger.Info),
+		})
+	case config.SQLite:
+		// SQLite特殊配置
+		db, err = gorm.Open(sqlite.Open(databaseConfig.Database), &gorm.Config{
+			Logger: logger.Default.LogMode(logger.Info),
+		})
+		if err != nil {
+			return err
+		}
+
+		// SQLite优化设置
+		sqlDB, _ := db.DB()
+		sqlDB.SetMaxIdleConns(1)    // SQLite单连接
+		sqlDB.SetMaxOpenConns(1)    // SQLite单连接
+		sqlDB.SetConnMaxLifetime(0) // 永不关闭
+
+		// SQLite WAL模式优化
+		db.Exec("PRAGMA journal_mode=WAL;")
+		db.Exec("PRAGMA synchronous=NORMAL;")
+		db.Exec("PRAGMA cache_size=1000000;")
+		db.Exec("PRAGMA foreign_keys=true;")
+		db.Exec("PRAGMA temp_store=memory;")
+
+	default:
+		return fmt.Errorf("unsupported database type: %s", databaseConfig.Type)
+	}
+
+	if err != nil {
+		return fmt.Errorf("failed to connect database: %w", err)
+	}
+	DB = db
+	Manger = NewDatabaseManager(db, databaseConfig.Type)
+	return nil
+}
+
+func getDatabaseConfig() config.DatabaseConfig {
+	// 初始化数据库
+	return config.DatabaseConfig{
+		Type:         config.SQLite,
+		Database:     "test.db",
+		MaxIdleConns: 1,
+		MaxOpenConns: 1,
+		MaxLifetime:  0,
+	}
+}
+
+var DB *gorm.DB
+var Manger *DatabaseManager
+
+func GetDB() *gorm.DB {
+	return DB
+}
+func GetManger() *DatabaseManager {
+	return Manger
+}
+func IsSQLite() bool {
+	cfg := getDatabaseConfig()
+	return cfg.Type == config.SQLite
+}

rear/internal/db/db_manager.go

@@ -0,0 +1,9 @@
+package db
+
+import "rear/internal/config"
+
+// OptimizedDatabaseManager 优化版数据库管理器
+type OptimizedDatabaseManager struct {
+	*DatabaseManager
+	config config.DatabaseConfig
+}

rear/internal/db/migration.go

@@ -0,0 +1,12 @@
+package db
+
+import (
+	"rear/internal/model"
+)
+
+func AutoMigrate() error {
+	return DB.AutoMigrate(
+		&model.User{},
+		// 在这里添加其他模型
+	)
+}

rear/internal/handler/user.go

@@ -3,8 +3,10 @@ package handler
 import (
 	"fmt"
 	"github.com/gin-gonic/gin"
+	"log"
 	"net/http"
 	"rear/internal/model"
+	"rear/internal/repositories"
 )
 
 // 全局变量
@@ -58,8 +60,8 @@ func GetUserByID(c *gin.Context) {
 // InitSampleData 初始化示例数据
 func InitSampleData() {
 	Users = []model.User{
-		{ID: 1, Name: "John Doe", Email: "john@example.com"},
+		{Username: "John Doe", Email: "john@example.com"},
-		{ID: 2, Name: "Jane Smith", Email: "jane@example.com"},
+		{Username: "Jane Smith", Email: "jane@example.com"},
 	}
 	userNextID = 3
 }
@@ -99,11 +101,26 @@ func UpdateUser(c *gin.Context) {
 
 // GetUsers 获取所有用户
 func GetUsers(c *gin.Context) {
-	c.JSON(http.StatusOK, model.Response{
+	// 使用示例
-		Code:    http.StatusOK,
+	userService := repositories.NewUserService()
-		Message: "Success",
+
-		Data:    Users,
+	if users, err := userService.GetAllUsers(); err != nil {
-	})
+		log.Printf("Failed to get all users: %v", err)
+	} else {
+		log.Printf("Total users: %d", len(users))
+		c.JSON(http.StatusOK, model.Response{
+			Code:    http.StatusOK,
+			Message: "Success",
+			Data:    users,
+		})
+
+	}
+
+	//c.JSON(http.StatusOK, model.Response{
+	//	Code:    http.StatusOK,
+	//	Message: "Success",
+	//	Data:    Users,
+	//})
 }
 
 // CreateUser 创建用户
@@ -118,7 +135,7 @@ func CreateUser(c *gin.Context) {
 	}
 
 	// 简单验证
-	if user.Name == "" || user.Email == "" {
+	if user.Username == "" || user.Email == "" {
 		c.JSON(http.StatusBadRequest, model.Response{
 			Code:    http.StatusBadRequest,
 			Message: "Name and email are required",
@@ -126,7 +143,6 @@ func CreateUser(c *gin.Context) {
 		return
 	}
 
-	user.ID = userNextID
 	userNextID++
 	Users = append(Users, user)
 

rear/internal/model/base.go

@@ -0,0 +1,15 @@
+package model
+
+import (
+	"gorm.io/gorm"
+	"time"
+)
+
+// BaseModel 基础模型，包含通用字段
+type BaseModel struct {
+	ID        uint           `gorm:"primaryKey" json:"id"`
+	CreatedAt time.Time      `json:"created_at"`
+	UpdatedAt time.Time      `json:"updated_at"`
+	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`
+	IsDeleted bool           `json:"is_deleted"`
+}

rear/internal/model/user.go

@@ -1,8 +1,29 @@
 package model
 
-// User 示例用户结构
+import "gorm.io/gorm"
+
 type User struct {
-	ID    int    `json:"id"`
+	BaseModel
-	Name  string `json:"name"`
+	Username string `gorm:"uniqueIndex;not null;size:50" json:"username"`
-	Email string `json:"email"`
+	Email    string `gorm:"uniqueIndex;not null;size:100" json:"email"`
+	Password string `gorm:"not null;size:255" json:"-"`
+	Age      int    `gorm:"default:0" json:"age"`
+	Status   int    `gorm:"default:1;comment:1-active,0-inactive" json:"status"`
+}
+
+// TableName 指定表名
+func (User) GetTableName() string {
+	return "users"
+}
+
+// BeforeCreate GORM钩子，创建前执行
+func (u *User) BeforeCreate(tx *gorm.DB) error {
+	// 这里可以添加创建前的逻辑，比如密码加密
+	return nil
+}
+
+// AfterCreate GORM钩子，创建后执行
+func (u *User) AfterCreate(tx *gorm.DB) error {
+	// 这里可以添加创建后的逻辑
+	return nil
 }

rear/internal/repositories/base_service.go

@@ -0,0 +1,60 @@
+package repositories
+
+import (
+	"rear/internal/db"
+	"sync"
+)
+
+// 写操作类型
+type WriteOperation struct {
+	Execute  func() error
+	Response chan error
+}
+
+// BaseService 处理数据库写操作的单线程执行
+type BaseService struct {
+	writeQueue chan WriteOperation
+	once       sync.Once
+}
+
+var baseService = &BaseService{
+	writeQueue: make(chan WriteOperation, 1000),
+}
+
+// 初始化并启动写操作处理协程
+func InitBaseService() {
+	baseService.once.Do(func() {
+		go baseService.processWriteOperations()
+	})
+}
+
+// 处理写操作的协程
+func (s *BaseService) processWriteOperations() {
+	for op := range s.writeQueue {
+		err := op.Execute()
+		op.Response <- err
+		close(op.Response)
+	}
+}
+
+// ExecuteWrite 执行写操作（增删改）
+func ExecuteWrite(fn func() error) error {
+	// 如果不是 SQLite，直接执行
+	if !db.IsSQLite() {
+		return fn()
+	}
+
+	// SQLite 走单线程队列
+	op := WriteOperation{
+		Execute:  fn,
+		Response: make(chan error, 1),
+	}
+
+	baseService.writeQueue <- op
+	return <-op.Response
+}
+
+// ExecuteRead 执行读操作（可以并发）
+func ExecuteRead(fn func() error) error {
+	return fn()
+}

rear/internal/repositories/user_repository.go

@@ -0,0 +1,158 @@
+package repositories
+
+import (
+	"errors"
+	"rear/internal/db"
+	"rear/internal/model"
+
+	"gorm.io/gorm"
+)
+
+type UserService struct{}
+
+func NewUserService() *UserService {
+	return &UserService{}
+}
+
+// 创建用户（写操作）
+func (s *UserService) CreateUser(user *model.User) error {
+	return ExecuteWrite(func() error {
+		return db.GetDB().Create(user).Error
+	})
+}
+
+// 更新用户（写操作）
+func (s *UserService) UpdateUser(id uint, updates map[string]interface{}) error {
+	return ExecuteWrite(func() error {
+		return db.GetDB().Model(&model.User{}).
+			Where("id = ?", id).
+			Updates(updates).Error
+	})
+}
+
+// 更新用户名称（写操作）
+func (s *UserService) UpdateUserName(id uint, name string) error {
+	return ExecuteWrite(func() error {
+		return db.GetDB().Model(&model.User{}).
+			Where("id = ?", id).
+			Update("name", name).Error
+	})
+}
+
+// 删除用户（写操作）
+func (s *UserService) DeleteUser(id uint) error {
+	return ExecuteWrite(func() error {
+		return db.GetDB().Delete(&model.User{}, id).Error
+	})
+}
+
+// 软删除用户（写操作）
+func (s *UserService) SoftDeleteUser(id uint) error {
+	return ExecuteWrite(func() error {
+		return db.GetDB().Delete(&model.User{}, id).Error
+	})
+}
+
+// 批量创建用户（写操作）
+func (s *UserService) CreateUsers(users []model.User) error {
+	return ExecuteWrite(func() error {
+		return db.GetDB().Create(&users).Error
+	})
+}
+
+// ============ 读操作（可以并发）============
+
+// 根据 ID 获取用户
+func (s *UserService) GetUserByID(id uint) (*model.User, error) {
+	var user model.User
+	err := ExecuteRead(func() error {
+		return db.GetDB().First(&user, id).Error
+	})
+
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, nil
+		}
+		return nil, err
+	}
+
+	return &user, nil
+}
+
+// 根据用户名获取用户
+func (s *UserService) GetUserByUsername(username string) (*model.User, error) {
+	var user model.User
+	err := ExecuteRead(func() error {
+		return db.GetDB().Where("username = ?", username).First(&user).Error
+	})
+
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, nil
+		}
+		return nil, err
+	}
+
+	return &user, nil
+}
+
+// 获取所有用户
+func (s *UserService) GetAllUsers() ([]model.User, error) {
+	var users []model.User
+	err := ExecuteRead(func() error {
+		return db.GetDB().Find(&users).Error
+	})
+
+	return users, err
+}
+
+// 分页获取用户
+func (s *UserService) GetUsersPaginated(offset, limit int) ([]model.User, int64, error) {
+	var users []model.User
+	var total int64
+
+	err := ExecuteRead(func() error {
+		// 获取总数
+		if err := db.GetDB().Model(&model.User{}).Count(&total).Error; err != nil {
+			return err
+		}
+
+		// 获取分页数据
+		return db.GetDB().Offset(offset).Limit(limit).Find(&users).Error
+	})
+
+	return users, total, err
+}
+
+// 根据条件查询用户
+func (s *UserService) GetUsersByCondition(condition map[string]interface{}) ([]model.User, error) {
+	var users []model.User
+	err := ExecuteRead(func() error {
+		query := db.GetDB()
+		for key, value := range condition {
+			query = query.Where(key+" = ?", value)
+		}
+		return query.Find(&users).Error
+	})
+
+	return users, err
+}
+
+// 事务示例（写操作）
+func (s *UserService) CreateUserWithTransaction(user *model.User, callback func(tx *gorm.DB) error) error {
+	return ExecuteWrite(func() error {
+		return db.GetDB().Transaction(func(tx *gorm.DB) error {
+			// 创建用户
+			if err := tx.Create(user).Error; err != nil {
+				return err
+			}
+
+			// 执行其他操作
+			if callback != nil {
+				return callback(tx)
+			}
+
+			return nil
+		})
+	})
+}

rear/internal/utils/task_scheduler.go

@@ -0,0 +1,400 @@
+package utils
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"os/exec"
+	"sync"
+	"sync/atomic"
+	"time"
+)
+
+// Task 任务接口
+type Task interface {
+	// Execute 执行任务
+	Execute(ctx context.Context) error
+	// ID 获取任务ID
+	ID() string
+	// Type 获取任务类型
+	Type() string
+
+	/*
+		紧急任务：优先级 8-10
+		正常任务：优先级 4-7
+		后台任务：优先级 1-3
+	*/
+	// Priority 获取任务优先级 (数字越大优先级越高)
+	Priority() int
+}
+
+// TaskResult 任务执行结果
+type TaskResult struct {
+	TaskID   string
+	TaskType string
+	Success  bool
+	Error    error
+	Duration time.Duration
+}
+
+// TaskScheduler 任务调度器
+type TaskScheduler struct {
+	workers     int
+	taskQueue   chan Task
+	resultQueue chan TaskResult
+	workerPool  chan struct{}
+	wg          sync.WaitGroup
+	ctx         context.Context
+	cancel      context.CancelFunc
+
+	// 统计信息
+	totalTasks     int64
+	completedTasks int64
+	failedTasks    int64
+
+	// 任务类型统计
+	taskStats  map[string]*TaskTypeStats
+	statsMutex sync.RWMutex
+}
+
+// TaskTypeStats 任务类型统计
+type TaskTypeStats struct {
+	Total     int64
+	Completed int64
+	Failed    int64
+	AvgTime   time.Duration
+}
+
+// NewTaskScheduler 创建任务调度器
+func NewTaskScheduler(workers int, queueSize int) *TaskScheduler {
+	ctx, cancel := context.WithCancel(context.Background())
+
+	ts := &TaskScheduler{
+		workers:     workers,
+		taskQueue:   make(chan Task, queueSize),
+		resultQueue: make(chan TaskResult, workers),
+		workerPool:  make(chan struct{}, workers),
+		ctx:         ctx,
+		cancel:      cancel,
+		taskStats:   make(map[string]*TaskTypeStats),
+	}
+
+	// 初始化worker池
+	for i := 0; i < workers; i++ {
+		ts.workerPool <- struct{}{}
+	}
+
+	// 启动worker
+	ts.startWorkers()
+
+	// 启动结果处理器
+	go ts.resultProcessor()
+
+	return ts
+}
+
+// startWorkers 启动worker
+func (ts *TaskScheduler) startWorkers() {
+	for i := 0; i < ts.workers; i++ {
+		ts.wg.Add(1)
+		go ts.worker(i)
+	}
+}
+
+// worker 工作协程
+func (ts *TaskScheduler) worker(id int) {
+	defer ts.wg.Done()
+
+	for {
+		select {
+		case <-ts.ctx.Done():
+			return
+		case task, ok := <-ts.taskQueue:
+			if !ok {
+				return
+			}
+
+			// 获取worker令牌
+			<-ts.workerPool
+
+			// 执行任务
+			start := time.Now()
+			err := task.Execute(ts.ctx)
+			duration := time.Since(start)
+
+			// 发送结果
+			ts.resultQueue <- TaskResult{
+				TaskID:   task.ID(),
+				TaskType: task.Type(),
+				Success:  err == nil,
+				Error:    err,
+				Duration: duration,
+			}
+
+			// 归还worker令牌
+			ts.workerPool <- struct{}{}
+		}
+	}
+}
+
+// resultProcessor 结果处理器
+func (ts *TaskScheduler) resultProcessor() {
+	for result := range ts.resultQueue {
+		atomic.AddInt64(&ts.completedTasks, 1)
+
+		if !result.Success {
+			atomic.AddInt64(&ts.failedTasks, 1)
+			log.Printf("Task %s failed: %v", result.TaskID, result.Error)
+		}
+
+		// 更新统计信息
+		ts.updateStats(result)
+	}
+}
+
+// updateStats 更新统计信息
+func (ts *TaskScheduler) updateStats(result TaskResult) {
+	ts.statsMutex.Lock()
+	defer ts.statsMutex.Unlock()
+
+	stats, exists := ts.taskStats[result.TaskType]
+	if !exists {
+		stats = &TaskTypeStats{}
+		ts.taskStats[result.TaskType] = stats
+	}
+
+	stats.Total++
+	if result.Success {
+		stats.Completed++
+	} else {
+		stats.Failed++
+	}
+
+	// 更新平均执行时间
+	if stats.Completed > 0 {
+		stats.AvgTime = time.Duration(
+			(int64(stats.AvgTime)*(stats.Completed-1) + int64(result.Duration)) / stats.Completed,
+		)
+	}
+}
+
+// Submit 提交任务
+func (ts *TaskScheduler) Submit(task Task) error {
+	select {
+	case <-ts.ctx.Done():
+		return fmt.Errorf("scheduler is shutting down")
+	case ts.taskQueue <- task:
+		atomic.AddInt64(&ts.totalTasks, 1)
+		return nil
+	default:
+		return fmt.Errorf("task queue is full")
+	}
+}
+
+// SubmitBatch 批量提交任务
+func (ts *TaskScheduler) SubmitBatch(tasks []Task) error {
+	for _, task := range tasks {
+		if err := ts.Submit(task); err != nil {
+			return fmt.Errorf("failed to submit task %s: %w", task.ID(), err)
+		}
+	}
+	return nil
+}
+
+// GetStats 获取统计信息
+func (ts *TaskScheduler) GetStats() map[string]interface{} {
+	ts.statsMutex.RLock()
+	defer ts.statsMutex.RUnlock()
+
+	stats := make(map[string]interface{})
+	stats["total_tasks"] = atomic.LoadInt64(&ts.totalTasks)
+	stats["completed_tasks"] = atomic.LoadInt64(&ts.completedTasks)
+	stats["failed_tasks"] = atomic.LoadInt64(&ts.failedTasks)
+	stats["pending_tasks"] = len(ts.taskQueue)
+	stats["active_workers"] = ts.workers - len(ts.workerPool)
+
+	// 复制任务类型统计
+	typeStats := make(map[string]*TaskTypeStats)
+	for k, v := range ts.taskStats {
+		typeStats[k] = &TaskTypeStats{
+			Total:     v.Total,
+			Completed: v.Completed,
+			Failed:    v.Failed,
+			AvgTime:   v.AvgTime,
+		}
+	}
+	stats["type_stats"] = typeStats
+
+	return stats
+}
+
+// Shutdown 关闭调度器
+func (ts *TaskScheduler) Shutdown() {
+	ts.cancel()
+	close(ts.taskQueue)
+	ts.wg.Wait()
+	close(ts.resultQueue)
+}
+
+// --- 具体任务实现示例 ---
+
+// ImageCompressTask 图片压缩任务
+type ImageCompressTask struct {
+	id       string
+	filePath string
+	quality  int
+}
+
+func NewImageCompressTask(id, filePath string, quality int) *ImageCompressTask {
+	return &ImageCompressTask{
+		id:       id,
+		filePath: filePath,
+		quality:  quality,
+	}
+}
+
+func (t *ImageCompressTask) Execute(ctx context.Context) error {
+	// 这里是实际的图片压缩逻辑
+	// 可以使用 imaging 库或调用外部工具
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	default:
+		// 模拟压缩操作
+		// 实际实现中，这里会调用图片处理库
+		log.Printf("Compressing image: %s with quality %d", t.filePath, t.quality)
+		time.Sleep(100 * time.Millisecond) // 模拟耗时操作
+		return nil
+	}
+}
+
+func (t *ImageCompressTask) ID() string    { return t.id }
+func (t *ImageCompressTask) Type() string  { return "image_compress" }
+func (t *ImageCompressTask) Priority() int { return 5 }
+
+// ExifReadTask EXIF读取任务
+type ExifReadTask struct {
+	id       string
+	filePath string
+	exifData map[string]interface{}
+}
+
+func NewExifReadTask(id, filePath string) *ExifReadTask {
+	return &ExifReadTask{
+		id:       id,
+		filePath: filePath,
+		exifData: make(map[string]interface{}),
+	}
+}
+
+func (t *ExifReadTask) Execute(ctx context.Context) error {
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	default:
+		// 使用 exiftool 命令行工具
+		cmd := exec.CommandContext(ctx, "exiftool", "-j", t.filePath)
+		output, err := cmd.Output()
+		if err != nil {
+			return fmt.Errorf("exiftool failed: %w", err)
+		}
+
+		// 这里应该解析 JSON 输出到 t.exifData
+		log.Printf("Read EXIF from: %s, data size: %d", t.filePath, len(output))
+		return nil
+	}
+}
+
+func (t *ExifReadTask) ID() string    { return t.id }
+func (t *ExifReadTask) Type() string  { return "exif_read" }
+func (t *ExifReadTask) Priority() int { return 3 }
+
+// PriorityTaskScheduler 支持优先级的任务调度器
+type PriorityTaskScheduler struct {
+	*TaskScheduler
+	priorityQueue *PriorityQueue
+	queueMutex    sync.Mutex
+}
+
+// PriorityQueue 优先级队列实现
+type PriorityQueue struct {
+	tasks []Task
+}
+
+func (pq *PriorityQueue) Push(task Task) {
+	pq.tasks = append(pq.tasks, task)
+	// 简单的插入排序，实际可以使用堆
+	for i := len(pq.tasks) - 1; i > 0; i-- {
+		if pq.tasks[i].Priority() > pq.tasks[i-1].Priority() {
+			pq.tasks[i], pq.tasks[i-1] = pq.tasks[i-1], pq.tasks[i]
+		} else {
+			break
+		}
+	}
+}
+
+func (pq *PriorityQueue) Pop() Task {
+	if len(pq.tasks) == 0 {
+		return nil
+	}
+	task := pq.tasks[0]
+	pq.tasks = pq.tasks[1:]
+	return task
+}
+
+func (pq *PriorityQueue) Len() int {
+	return len(pq.tasks)
+}
+
+// NewPriorityTaskScheduler 创建支持优先级的调度器
+func NewPriorityTaskScheduler(workers int) *PriorityTaskScheduler {
+	pts := &PriorityTaskScheduler{
+		TaskScheduler: NewTaskScheduler(workers, 0), // 不使用内置队列
+		priorityQueue: &PriorityQueue{tasks: make([]Task, 0)},
+	}
+
+	// 启动优先级调度协程
+	go pts.priorityDispatcher()
+
+	return pts
+}
+
+// priorityDispatcher 优先级调度器
+func (pts *PriorityTaskScheduler) priorityDispatcher() {
+	ticker := time.NewTicker(10 * time.Millisecond)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-pts.ctx.Done():
+			return
+		case <-ticker.C:
+			pts.queueMutex.Lock()
+			if pts.priorityQueue.Len() > 0 && len(pts.taskQueue) < cap(pts.taskQueue) {
+				task := pts.priorityQueue.Pop()
+				select {
+				case pts.taskQueue <- task:
+					// 成功发送
+				default:
+					// 队列满了，放回优先级队列
+					pts.priorityQueue.Push(task)
+				}
+			}
+			pts.queueMutex.Unlock()
+		}
+	}
+}
+
+// SubmitWithPriority 提交带优先级的任务
+func (pts *PriorityTaskScheduler) SubmitWithPriority(task Task) error {
+	select {
+	case <-pts.ctx.Done():
+		return fmt.Errorf("scheduler is shutting down")
+	default:
+		pts.queueMutex.Lock()
+		pts.priorityQueue.Push(task)
+		atomic.AddInt64(&pts.totalTasks, 1)
+		pts.queueMutex.Unlock()
+		return nil
+	}
+}

rear/internal/utils/task_scheduler_test.go

@@ -0,0 +1,348 @@
+package utils
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"time"
+)
+
+// 示例：批量处理图片任务
+func processImages(scheduler *TaskScheduler) {
+	// 假设有10000张图片需要处理
+	imagePaths := make([]string, 10000)
+	for i := 0; i < 10000; i++ {
+		imagePaths[i] = fmt.Sprintf("/path/to/image_%d.jpg", i)
+	}
+
+	// 批量提交压缩任务
+	log.Println("提交图片压缩任务...")
+	for i, path := range imagePaths {
+		task := NewImageCompressTask(
+			fmt.Sprintf("compress_%d", i),
+			path,
+			85, // 压缩质量
+		)
+
+		if err := scheduler.Submit(task); err != nil {
+			log.Printf("Failed to submit task: %v", err)
+			// 可以实现重试逻辑
+			time.Sleep(100 * time.Millisecond)
+			scheduler.Submit(task) // 重试一次
+		}
+	}
+
+	// 同时提交EXIF读取任务
+	log.Println("提交EXIF读取任务...")
+	for i, path := range imagePaths[:1000] { // 只处理前1000张
+		task := NewExifReadTask(
+			fmt.Sprintf("exif_%d", i),
+			path,
+		)
+		scheduler.Submit(task)
+	}
+}
+
+// 高级任务管理器 - 支持任务组和依赖
+type TaskManager struct {
+	scheduler  *PriorityTaskScheduler
+	taskGroups map[string]*TaskGroup
+}
+
+type TaskGroup struct {
+	ID        string
+	Tasks     []Task
+	Status    string
+	Progress  float64
+	StartTime time.Time
+	EndTime   time.Time
+}
+
+func NewTaskManager(workers int) *TaskManager {
+	return &TaskManager{
+		scheduler:  NewPriorityTaskScheduler(workers),
+		taskGroups: make(map[string]*TaskGroup),
+	}
+}
+
+// CreateImageProcessingGroup 创建图片处理任务组
+func (tm *TaskManager) CreateImageProcessingGroup(groupID string, imagePaths []string) error {
+	group := &TaskGroup{
+		ID:        groupID,
+		Tasks:     make([]Task, 0),
+		Status:    "pending",
+		StartTime: time.Now(),
+	}
+
+	// 为每张图片创建压缩和EXIF读取任务
+	for i, path := range imagePaths {
+		// 压缩任务
+		compressTask := NewImageCompressTask(
+			fmt.Sprintf("%s_compress_%d", groupID, i),
+			path,
+			85,
+		)
+		group.Tasks = append(group.Tasks, compressTask)
+
+		// EXIF任务
+		exifTask := NewExifReadTask(
+			fmt.Sprintf("%s_exif_%d", groupID, i),
+			path,
+		)
+		group.Tasks = append(group.Tasks, exifTask)
+	}
+
+	tm.taskGroups[groupID] = group
+
+	// 提交所有任务
+	for _, task := range group.Tasks {
+		if err := tm.scheduler.SubmitWithPriority(task); err != nil {
+			return err
+		}
+	}
+
+	group.Status = "running"
+	return nil
+}
+
+// 动态Worker调整器
+type DynamicWorkerManager struct {
+	scheduler      *TaskScheduler
+	minWorkers     int
+	maxWorkers     int
+	checkInterval  time.Duration
+	scaleThreshold float64 // 队列使用率阈值
+}
+
+func NewDynamicWorkerManager(scheduler *TaskScheduler, min, max int) *DynamicWorkerManager {
+	return &DynamicWorkerManager{
+		scheduler:      scheduler,
+		minWorkers:     min,
+		maxWorkers:     max,
+		checkInterval:  5 * time.Second,
+		scaleThreshold: 0.8,
+	}
+}
+
+func (dwm *DynamicWorkerManager) Start(ctx context.Context) {
+	ticker := time.NewTicker(dwm.checkInterval)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-ticker.C:
+			dwm.adjustWorkers()
+		}
+	}
+}
+
+func (dwm *DynamicWorkerManager) adjustWorkers() {
+	stats := dwm.scheduler.GetStats()
+	pending := stats["pending_tasks"].(int)
+	//active := stats["active_workers"].(int)
+
+	// 计算队列使用率
+	queueUsage := float64(pending) / float64(cap(dwm.scheduler.taskQueue))
+
+	if queueUsage > dwm.scaleThreshold && dwm.scheduler.workers < dwm.maxWorkers {
+		// 增加worker
+		log.Printf("Scaling up workers: queue usage %.2f%%", queueUsage*100)
+		// 这里需要实现动态增加worker的逻辑
+	} else if queueUsage < 0.2 && dwm.scheduler.workers > dwm.minWorkers {
+		// 减少worker
+		log.Printf("Scaling down workers: queue usage %.2f%%", queueUsage*100)
+		// 这里需要实现动态减少worker的逻辑
+	}
+}
+
+// 任务监控器
+type TaskMonitor struct {
+	scheduler *TaskScheduler
+}
+
+func NewTaskMonitor(scheduler *TaskScheduler) *TaskMonitor {
+	return &TaskMonitor{scheduler: scheduler}
+}
+
+func (tm *TaskMonitor) Start(ctx context.Context) {
+	ticker := time.NewTicker(10 * time.Second)
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ctx.Done():
+			return
+		case <-ticker.C:
+			tm.printStats()
+		}
+	}
+}
+
+func (tm *TaskMonitor) printStats() {
+	stats := tm.scheduler.GetStats()
+
+	fmt.Println("\n========== Task Scheduler Stats ==========")
+	fmt.Printf("Total Tasks: %d\n", stats["total_tasks"])
+	fmt.Printf("Completed: %d\n", stats["completed_tasks"])
+	fmt.Printf("Failed: %d\n", stats["failed_tasks"])
+	fmt.Printf("Pending: %d\n", stats["pending_tasks"])
+	fmt.Printf("Active Workers: %d\n", stats["active_workers"])
+
+	if typeStats, ok := stats["type_stats"].(map[string]*TaskTypeStats); ok {
+		fmt.Println("\nTask Type Statistics:")
+		for taskType, stat := range typeStats {
+			fmt.Printf("  %s: Total=%d, Completed=%d, Failed=%d, AvgTime=%v\n",
+				taskType, stat.Total, stat.Completed, stat.Failed, stat.AvgTime)
+		}
+	}
+	fmt.Println("==========================================\n")
+}
+
+// 主函数示例
+func main() {
+	// 创建调度器 - 50个worker，队列容量10000
+	scheduler := NewTaskScheduler(50, 10000)
+	defer scheduler.Shutdown()
+
+	// 创建任务管理器
+	taskManager := NewTaskManager(50)
+
+	// 创建监控器
+	monitor := NewTaskMonitor(scheduler)
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	go monitor.Start(ctx)
+
+	// 场景1：处理第一批10000张图片
+	log.Println("开始处理第一批图片...")
+	imagePaths1 := make([]string, 10000)
+	for i := 0; i < 10000; i++ {
+		imagePaths1[i] = fmt.Sprintf("/batch1/image_%d.jpg", i)
+	}
+	taskManager.CreateImageProcessingGroup("batch1", imagePaths1)
+
+	// 模拟过一段时间后又来了新任务
+	time.Sleep(5 * time.Second)
+
+	// 场景2：又来了10000张图片
+	log.Println("开始处理第二批图片...")
+	imagePaths2 := make([]string, 10000)
+	for i := 0; i < 10000; i++ {
+		imagePaths2[i] = fmt.Sprintf("/batch2/image_%d.jpg", i)
+	}
+	taskManager.CreateImageProcessingGroup("batch2", imagePaths2)
+
+	// 场景3：批量解析EXIF（优先级更高）
+	log.Println("开始批量解析EXIF...")
+	exifPaths := make([]string, 1000)
+	for i := 0; i < 1000; i++ {
+		exifPaths[i] = fmt.Sprintf("/priority/image_%d.jpg", i)
+	}
+	// 这些任务会有更高的优先级
+	for i, path := range exifPaths {
+		task := &HighPriorityExifTask{
+			ExifReadTask: *NewExifReadTask(fmt.Sprintf("priority_exif_%d", i), path),
+		}
+		taskManager.scheduler.SubmitWithPriority(task)
+	}
+
+	// 等待一段时间查看执行情况
+	time.Sleep(30 * time.Second)
+
+	// 打印最终统计
+	monitor.printStats()
+}
+
+// HighPriorityExifTask 高优先级EXIF任务
+type HighPriorityExifTask struct {
+	ExifReadTask
+}
+
+func (t *HighPriorityExifTask) Priority() int {
+	return 10 // 更高的优先级
+}
+
+// 任务重试装饰器
+type RetryableTask struct {
+	task       Task
+	maxRetries int
+	retries    int
+}
+
+func NewRetryableTask(task Task, maxRetries int) *RetryableTask {
+	return &RetryableTask{
+		task:       task,
+		maxRetries: maxRetries,
+		retries:    0,
+	}
+}
+
+func (rt *RetryableTask) Execute(ctx context.Context) error {
+	var lastErr error
+
+	for rt.retries <= rt.maxRetries {
+		err := rt.task.Execute(ctx)
+		if err == nil {
+			return nil
+		}
+
+		lastErr = err
+		rt.retries++
+
+		if rt.retries <= rt.maxRetries {
+			// 指数退避
+			backoff := time.Duration(rt.retries) * time.Second
+			log.Printf("Task %s failed, retrying in %v (attempt %d/%d)",
+				rt.task.ID(), backoff, rt.retries, rt.maxRetries)
+
+			select {
+			case <-ctx.Done():
+				return ctx.Err()
+			case <-time.After(backoff):
+				// 继续重试
+			}
+		}
+	}
+
+	return fmt.Errorf("task failed after %d retries: %w", rt.maxRetries, lastErr)
+}
+
+func (rt *RetryableTask) ID() string    { return rt.task.ID() }
+func (rt *RetryableTask) Type() string  { return rt.task.Type() }
+func (rt *RetryableTask) Priority() int { return rt.task.Priority() }
+
+// 批处理优化 - 将多个小任务合并为一个大任务
+type BatchImageCompressTask struct {
+	id        string
+	filePaths []string
+	quality   int
+}
+
+func NewBatchImageCompressTask(id string, filePaths []string, quality int) *BatchImageCompressTask {
+	return &BatchImageCompressTask{
+		id:        id,
+		filePaths: filePaths,
+		quality:   quality,
+	}
+}
+
+func (t *BatchImageCompressTask) Execute(ctx context.Context) error {
+	// 批量处理多张图片，减少任务切换开销
+	for _, path := range t.filePaths {
+		select {
+		case <-ctx.Done():
+			return ctx.Err()
+		default:
+			// 处理单张图片
+			log.Printf("Batch compressing: %s", path)
+			// 实际的压缩逻辑
+		}
+	}
+	return nil
+}
+
+func (t *BatchImageCompressTask) ID() string    { return t.id }
+func (t *BatchImageCompressTask) Type() string  { return "batch_image_compress" }
+func (t *BatchImageCompressTask) Priority() int { return 5 }

rear/main.go

@@ -10,7 +10,10 @@ import (
 	"net/http"
 	"os"
 	"os/signal"
+	"rear/internal/config"
+	"rear/internal/db"
 	"rear/internal/model"
+	"rear/internal/repositories"
 	"rear/internal/router"
 	"rear/internal/service"
 	"rear/pkg/logger"
@@ -27,6 +30,53 @@ func main() {
 	}
 
 	// 数据库初始化
+	if err := db.InitDatabase(); err != nil {
+		log.Fatal("Failed to initialize database:", err)
+	}
+
+	// 自动迁移
+	if err := db.AutoMigrate(); err != nil {
+		log.Fatal("Failed to migrate database:", err)
+	}
+
+	// 初始化基础服务（启动写操作处理协程）
+	repositories.InitBaseService()
+
+	// 使用示例
+	userService := repositories.NewUserService()
+
+	// 创建用户
+	user := &model.User{
+		Email:    "john@example.com",
+		Username: "John Doe",
+		Age:      25,
+	}
+
+	if err := userService.CreateUser(user); err != nil {
+		log.Printf("Failed to create user: %v", err)
+	} else {
+		log.Printf("User created successfully: %+v", user)
+	}
+
+	// 更新用户名称
+	if err := userService.UpdateUserName(user.ID, "John Smith"); err != nil {
+		log.Printf("Failed to update user name: %v", err)
+	}
+
+	// 查询用户（可以并发执行）
+	if foundUser, err := userService.GetUserByID(user.ID); err != nil {
+		log.Printf("Failed to get user: %v", err)
+	} else if foundUser != nil {
+		log.Printf("Found user: %+v", foundUser)
+	}
+
+	// 获取所有用户
+	if users, err := userService.GetAllUsers(); err != nil {
+		log.Printf("Failed to get all users: %v", err)
+	} else {
+		log.Printf("Total users: %d", len(users))
+	}
+
 	//if err := initDatabase(); err != nil {
 	//	logger.Fatalf("Failed to initialize database: %v", err)
 	//}
@@ -38,7 +88,7 @@ func main() {
 
 func startHttp() {
 	// 配置加载
-	netConfig := model.InitConfig()
+	netConfig := config.InitConfig()
 	// 设置Gin模式
 	gin.SetMode(netConfig.Mode)