feat: 新增日志、配置文件和环境变量

app.go

@@ -0,0 +1,41 @@
+package go_web_gin
+
+import (
+	"log"
+
+	"git.hujye.com/infrastructure/go-web-gin/config"
+	"git.hujye.com/infrastructure/go-web-gin/server"
+	"github.com/gin-gonic/gin"
+)
+
+// App represents the application
+type App struct {
+	server *server.Server
+}
+
+// New creates a new App instance and loads config file
+func New() *App {
+	// Load config file
+	if _, err := config.Load(); err != nil {
+		log.Printf("Warning: failed to load config file, using defaults: %v", err)
+	}
+
+	return &App{
+		server: server.New(),
+	}
+}
+
+// UseMiddleware registers global middleware
+func (a *App) UseMiddleware(middleware ...gin.HandlerFunc) {
+	a.server.Engine().Use(middleware...)
+}
+
+// RegisterRoutes registers routes with the given handler function
+func (a *App) RegisterRoutes(registerFunc func(*gin.Engine)) {
+	registerFunc(a.server.Engine())
+}
+
+// Run starts the application server
+func (a *App) Run(addr ...string) error {
+	return a.server.Run(addr...)
+}