修复图表时间和查询区间不匹配问题

backend/cmd/server/main.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"fmt"
+	"log"
+
+	"github.com/gin-gonic/gin"
+	"github.com/monitor/backend/config"
+	"github.com/monitor/backend/internal/device"
+	"github.com/monitor/backend/internal/handler"
+	"github.com/monitor/backend/internal/storage"
+)
+
+// StartServer 启动服务器
+func StartServer() {
+	// 加载配置
+	cfg, err := config.LoadConfig()
+	if err != nil {
+		log.Fatalf("Failed to load config: %v", err)
+	}
+
+	// 创建存储实例
+	store := storage.NewStorage(cfg)
+	defer store.Close()
+
+	// 创建Gin引擎
+	r := gin.Default()
+
+	// 设置CORS
+	r.Use(func(c *gin.Context) {
+		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
+		c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
+		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With")
+		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, DELETE")
+
+		if c.Request.Method == "OPTIONS" {
+			c.AbortWithStatus(204)
+			return
+		}
+
+		c.Next()
+	})
+
+	// 设置全局存储实例
+	handler.SetStorage(store)
+
+	// 初始化设备存储
+	deviceStore := device.NewMemoryStorage()
+	handler.SetDeviceStorage(deviceStore)
+
+	// 注册路由
+	handler.RegisterRoutes(r)
+
+	// 启动服务器
+	addr := fmt.Sprintf(":%d", cfg.Server.Port)
+	log.Printf("Server starting on %s", addr)
+	if err := r.Run(addr); err != nil {
+		log.Fatalf("Failed to start server: %v", err)
+	}
+}
+
+func main() {
+	StartServer()
+}