feat: 初始化 Wails + React + Go 桌面应用模板
- Wails v2.16.0 + React 19 + TypeScript + Vite 7 - 插件系统（build tag 控制编译，plugin.json 运行时配置） - 支付插件（授权、账号、订单、退款、账单） - 高并发基础设施（任务池、批量处理器、限流器、环形缓冲、管道） - Windows 系统托盘（Win32 API） - CodeGraph 索引 + .memory 记忆包 - 默认图标 assets/icon.png
This commit is contained in:
322
app.go
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322
app.go
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package main
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import (
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"context"
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"fmt"
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"sync/atomic"
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"time"
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"go_win_template/internal/bus"
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"go_win_template/internal/cache"
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"go_win_template/internal/plugins"
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"go_win_template/internal/service"
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"go_win_template/internal/worker"
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)
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// App 主应用结构体
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type App struct {
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ctx context.Context
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users []User
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nextID atomic.Int64
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userCache *cache.Cache
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eventBus *bus.EventBus
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batchWorker *service.BatchWorker
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taskPool *worker.Pool
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requestCount atomic.Int64
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paymentSvc paymentService
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}
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// paymentService 支付服务接口（定义在 app 层，不与 payment 包直接耦合）
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// payment 插件在启动时通过类型断言注入此接口
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type paymentService interface {
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PayLogin() (map[string]any, error)
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PayCheckAuth() (map[string]any, error)
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PayRefresh() (map[string]any, error)
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PayGetAccountInfo() (map[string]any, error)
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PayQueryOrder(orderID string) (map[string]any, error)
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PayQueryOrderByOutNo(outTradeNo string) (map[string]any, error)
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PayRequestRefund(req map[string]any) (map[string]any, error)
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PayGetBill(page, pageSize int) (map[string]any, error)
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PayGetBillByDate(startDate, endDate string) (map[string]any, error)
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}
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// Response 统一响应
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type Response struct {
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Code int `json:"code"`
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Message string `json:"message"`
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Data interface{} `json:"data,omitempty"`
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}
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// User 用户模型
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type User struct {
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ID int64 `json:"id"`
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Name string `json:"name"`
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Email string `json:"email"`
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CreatedAt string `json:"created_at"`
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}
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// ─────────────────────────────────────────────
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// 初始化
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// ─────────────────────────────────────────────
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func NewApp() *App {
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return &App{
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users: make([]User, 0),
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userCache: cache.NewCache(cache.WithTTL(10*time.Minute), cache.WithCleanupInterval(1*time.Minute)),
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eventBus: bus.NewEventBus(),
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batchWorker: service.NewBatchWorker(8),
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taskPool: worker.NewPool(worker.Options{Workers: 4, BufSize: 500}),
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}
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}
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func (a *App) Startup(ctx context.Context) {
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a.ctx = ctx
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fmt.Println("[app] startup complete")
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// 注入支付服务
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a.injectPaymentService()
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}
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func (a *App) injectPaymentService() {
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payP := plugins.Get("payment")
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if payP == nil {
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fmt.Println("[app] payment plugin not loaded (use -tags payment to enable)")
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return
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}
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if getter, ok := payP.(interface{ GetPaymentService() any }); ok {
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if svc, ok := getter.GetPaymentService().(paymentService); ok {
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a.paymentSvc = svc
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fmt.Println("[app] payment service injected successfully")
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return
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}
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}
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fmt.Println("[app] payment plugin found but service type mismatch")
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}
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// ─────────────────────────────────────────────
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// IPC 接口 — 基础功能
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// ─────────────────────────────────────────────
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func (a *App) GetUserList() []User {
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a.requestCount.Add(1)
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if items, ok := a.userCache.Get("user_list"); ok {
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if cached, ok := items.([]User); ok {
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return cached
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}
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}
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return a.users
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}
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func (a *App) CreateUser(name, email string) *Response {
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if name == "" || email == "" {
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return &Response{Code: 400, Message: "名称和邮箱不能为空"}
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}
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id := a.nextID.Add(1)
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now := time.Now().Format("2006-01-02 15:04:05")
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user := User{ID: id, Name: name, Email: email, CreatedAt: now}
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a.users = append(a.users, user)
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a.userCache.Set("user_list", a.users)
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a.eventBus.PublishAsync("user:created", user)
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return &Response{Code: 0, Message: "success", Data: user}
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}
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func (a *App) ClearUsers() int {
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count := len(a.users)
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a.users = make([]User, 0)
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a.userCache.Delete("user_list")
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return count
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}
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func (a *App) Stats() map[string]interface{} {
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running, total, failed := a.taskPool.Stats()
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br, bt, bs, bf := a.batchWorker.Stats()
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return map[string]interface{}{
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"total_users": len(a.users),
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"cache_items": a.userCache.Len(),
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"requests": a.requestCount.Load(),
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"pool_running": running,
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"pool_total": total,
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"pool_failed": failed,
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"batch_running": br,
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"batch_total": bt,
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"batch_success": bs,
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"batch_failed": bf,
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"plugins": plugins.List(),
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"plugin_count": plugins.Count(),
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"payment_loaded": a.paymentSvc != nil,
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}
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}
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// ─────────────────────────────────────────────
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// IPC 接口 — 支付功能
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// ─────────────────────────────────────────────
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func (a *App) PayLogin() *Response {
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if a.paymentSvc == nil {
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return &Response{Code: 503, Message: "支付插件未加载，使用 -tags payment 构建或检查 plugin.json"}
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}
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data, err := a.paymentSvc.PayLogin()
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if err != nil {
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return &Response{Code: 500, Message: err.Error()}
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}
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return &Response{Code: 0, Message: asString(data, "message"), Data: data}
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}
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func (a *App) PayCheckAuth() *Response {
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if a.paymentSvc == nil {
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return &Response{Code: 503, Message: "支付插件未加载"}
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}
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data, err := a.paymentSvc.PayCheckAuth()
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if err != nil {
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return &Response{Code: 500, Message: err.Error()}
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}
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return &Response{Code: 0, Message: asString(data, "message"), Data: data}
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}
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func (a *App) PayRefreshToken() *Response {
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if a.paymentSvc == nil {
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return &Response{Code: 503, Message: "支付插件未加载"}
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}
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data, err := a.paymentSvc.PayRefresh()
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if err != nil {
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return &Response{Code: 500, Message: err.Error()}
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}
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return &Response{Code: 0, Message: asString(data, "message"), Data: data}
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}
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func (a *App) PayGetAccountInfo() *Response {
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if a.paymentSvc == nil {
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return &Response{Code: 503, Message: "支付插件未加载"}
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}
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data, err := a.paymentSvc.PayGetAccountInfo()
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if err != nil {
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return &Response{Code: 500, Message: err.Error()}
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}
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return &Response{Code: 0, Message: asString(data, "message"), Data: data}
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}
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func (a *App) PayQueryOrder(orderID string) *Response {
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if a.paymentSvc == nil {
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return &Response{Code: 503, Message: "支付插件未加载"}
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}
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data, err := a.paymentSvc.PayQueryOrder(orderID)
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if err != nil {
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return &Response{Code: 500, Message: err.Error()}
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}
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return &Response{Code: 0, Message: asString(data, "message"), Data: data}
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}
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func (a *App) PayQueryOrderByOutNo(outTradeNo string) *Response {
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if a.paymentSvc == nil {
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return &Response{Code: 503, Message: "支付插件未加载"}
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}
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data, err := a.paymentSvc.PayQueryOrderByOutNo(outTradeNo)
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if err != nil {
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return &Response{Code: 500, Message: err.Error()}
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}
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return &Response{Code: 0, Message: asString(data, "message"), Data: data}
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}
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func (a *App) PayRequestRefund(orderID string, refundAmt float64, reason string) *Response {
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if a.paymentSvc == nil {
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return &Response{Code: 503, Message: "支付插件未加载"}
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}
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data, err := a.paymentSvc.PayRequestRefund(map[string]any{
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"order_id": orderID,
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"refund_amt": refundAmt,
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"reason": reason,
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})
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if err != nil {
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return &Response{Code: 500, Message: err.Error()}
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}
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return &Response{Code: 0, Message: asString(data, "message"), Data: data}
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}
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func (a *App) PayGetBill(page, pageSize int) *Response {
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if a.paymentSvc == nil {
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return &Response{Code: 503, Message: "支付插件未加载"}
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}
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data, err := a.paymentSvc.PayGetBill(page, pageSize)
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if err != nil {
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return &Response{Code: 500, Message: err.Error()}
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}
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return &Response{Code: 0, Message: asString(data, "message"), Data: data}
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}
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func (a *App) PayGetBillByDate(startDate, endDate string) *Response {
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if a.paymentSvc == nil {
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return &Response{Code: 503, Message: "支付插件未加载"}
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}
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data, err := a.paymentSvc.PayGetBillByDate(startDate, endDate)
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if err != nil {
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return &Response{Code: 500, Message: err.Error()}
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}
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return &Response{Code: 0, Message: asString(data, "message"), Data: data}
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}
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// ─────────────────────────────────────────────
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// 高并发批量处理
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// ─────────────────────────────────────────────
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func (a *App) BatchCreateUsers(names, emails []string) *Response {
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if len(names) != len(emails) || len(names) == 0 {
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return &Response{Code: 400, Message: "names 和 emails 长度需一致且不为空"}
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}
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results := a.batchWorker.ProcessConcurrent(a.ctx, createBatchItems(names, emails), func(ctx context.Context, item any) (any, error) {
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bp := item.(batchItem)
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id := a.nextID.Add(1)
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user := User{ID: id, Name: bp.name, Email: bp.email, CreatedAt: time.Now().Format("2006-01-02 15:04:05")}
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a.users = append(a.users, user)
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return user, nil
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})
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a.userCache.Set("user_list", a.users)
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a.eventBus.PublishAsync("users:batch_created", results)
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return &Response{
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Code: 0,
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Message: fmt.Sprintf("成功 %d 条，失败 %d 条", len(results.Success), len(results.Fail)),
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Data: map[string]any{"success": len(results.Success), "failed": len(results.Fail)},
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}
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}
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func (a *App) SubmitTask(taskName, taskData string) *Response {
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job := &exampleJob{name: taskName, data: taskData}
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if !a.taskPool.Submit(job) {
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return &Response{Code: 503, Message: "任务队列已满，请稍后重试"}
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}
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return &Response{Code: 0, Message: "任务已入队", Data: map[string]any{"task": taskName}}
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}
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// ─────────────────────────────────────────────
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// 内部类型
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// ─────────────────────────────────────────────
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type batchItem struct{ name, email string }
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func createBatchItems(names, emails []string) []any {
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items := make([]any, len(names))
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for i := range names {
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items[i] = batchItem{name: names[i], email: emails[i]}
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}
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return items
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}
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type exampleJob struct{ name, data string }
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func (j *exampleJob) JobID() string { return j.name }
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func (j *exampleJob) Execute(ctx context.Context) error {
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select {
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case <-ctx.Done():
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return ctx.Err()
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case <-time.After(100 * time.Millisecond):
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return nil
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}
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}
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// asString 安全地从 map 中提取字符串字段
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func asString(m map[string]any, key string) string {
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if v, ok := m[key].(string); ok {
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return v
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}
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return ""
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}
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