105 lines
2.5 KiB
Go
105 lines
2.5 KiB
Go
package main
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import (
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"context"
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"errors"
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"github.com/gin-contrib/cors"
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"github.com/gin-contrib/pprof"
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"github.com/gin-gonic/gin"
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"log"
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"net/http"
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"os"
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"os/signal"
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"rear/internal/model"
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"rear/internal/router"
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"rear/internal/service"
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"rear/pkg/logger"
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"syscall"
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"time"
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)
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func main() {
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// 日志初始化
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err := logger.InitDefaultLogger()
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if err != nil {
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// log.Fatal 会输出错误信息并调用 os.Exit(1)
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log.Fatalf("Failed to initialize logger: %v", err)
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}
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// 数据库初始化
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//if err := initDatabase(); err != nil {
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// logger.Fatalf("Failed to initialize database: %v", err)
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//}
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// 依赖注入
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// 启动 http
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startHttp()
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}
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func startHttp() {
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// 配置加载
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netConfig := model.InitConfig()
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// 设置Gin模式
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gin.SetMode(netConfig.Mode)
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// 创建Gin引擎
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r := gin.New()
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// CORS 处理
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corsConfig := cors.DefaultConfig()
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corsConfig.AllowAllOrigins = true
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corsConfig.AllowMethods = []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"}
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corsConfig.AllowHeaders = []string{"Origin", "Content-Length", "Content-Type", "Authorization", "X-Request-ID"}
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// 添加中间件
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r.Use(service.RequestIDMiddleware()) // 最先生成请求ID
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r.Use(service.LoggerMiddleware()) // 记录日志
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r.Use(gin.Recovery()) // 恢复panic
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r.Use(cors.New(corsConfig)) // CORS 处理
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r.Use(service.ErrorHandlerMiddleware()) // 最后处理错误
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// 性能分析 (仅在debug模式下)
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if netConfig.Mode == "debug" {
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pprof.Register(r)
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}
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// 设置路由
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router.SetupRoutes(r)
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// 创建HTTP服务器
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srv := &http.Server{
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Addr: ":" + netConfig.Port,
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Handler: r,
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ReadTimeout: netConfig.ReadTimeout,
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WriteTimeout: netConfig.WriteTimeout,
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IdleTimeout: netConfig.IdleTimeout,
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}
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// 优雅关闭
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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// 启动服务器
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go func() {
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logger.Infof("Server starting on port 127.0.0.1:%s", netConfig.Port)
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if err := srv.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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logger.Fatalf("Failed to start server: %v", err)
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// 发送信号给主goroutine，让它知道启动失败
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quit <- syscall.SIGTERM
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}
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}()
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// 阻塞主goroutine，等待信号
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<-quit
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logger.Info("Shutting down server...")
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ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
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defer cancel()
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if err := srv.Shutdown(ctx); err != nil {
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logger.Fatalf("Server forced to shutdown: %v", err)
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}
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logger.Info("Server exited")
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}
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