fix: 修正微服务gin找不到templates的问题

internal/fusion/fusion.go

@@ -509,15 +509,15 @@ func resolveIssuedAtInBucket(db *sql.DB, stationID, provider string, bucketHour
 func loadForecastSamples(db *sql.DB, stationID, provider string, issued time.Time) ([]forecastSample, error) {
 	const q = `
         SELECT forecast_time,
-               rain_mm_x1000,
+               COALESCE(rain_mm_x1000, 0),
-               temp_c_x100,
+               COALESCE(temp_c_x100, 0),
-               humidity_pct,
+               COALESCE(humidity_pct, 0),
-               wind_speed_ms_x1000,
+               COALESCE(wind_speed_ms_x1000, 0),
-               wind_gust_ms_x1000,
+               COALESCE(wind_gust_ms_x1000, 0),
-               wind_dir_deg,
+               COALESCE(wind_dir_deg, 0),
-               precip_prob_pct,
+               COALESCE(precip_prob_pct, 0),
-               pressure_hpa_x100,
+               COALESCE(pressure_hpa_x100, 0),
-               uv_index
+               COALESCE(uv_index, 0)
         FROM forecast_hourly
         WHERE station_id=$1 AND provider=$2 AND issued_at=$3
         ORDER BY forecast_time ASC`

internal/server/gin.go

@@ -5,6 +5,7 @@ import (
 	"log"
 	"net/http"
 	"os"
+	"path/filepath"
 	"strconv"
 	"time"
 	"weatherstation/internal/config"
@@ -22,27 +23,51 @@ func StartGinServer() error {
 	// 创建Gin引擎
 	r := gin.Default()
 
-	// 加载HTML模板
+	// 解析资源路径，兼容在仓库根目录或 bin/ 目录启动
-	r.LoadHTMLGlob("templates/*")
+	tplGlob := filepath.Join("templates", "*")
+	if _, err := os.Stat("templates"); os.IsNotExist(err) {
+		if _, err2 := os.Stat("../templates"); err2 == nil {
+			tplGlob = filepath.Join("..", "templates", "*")
+		}
+	}
+	r.LoadHTMLGlob(tplGlob)
 
-	// 静态文件服务
+	staticDir := "./static"
-	r.Static("/static", "./static")
+	if _, err := os.Stat(staticDir); os.IsNotExist(err) {
+		if _, err2 := os.Stat("../static"); err2 == nil {
+			staticDir = "../static"
+		}
+	}
+	r.Static("/static", staticDir)
 
 	// 前端SPA（Angular）静态资源与路由回退
-	// 构建产物目录：./core/frontend/dist/ui
+	// 构建产物目录：./core/frontend/dist/ui（兼容 ../core/frontend/dist/ui）
 	r.GET("/ui/*filepath", func(c *gin.Context) {
 		// 物理文件优先，否则回退到 index.html（支持前端路由）
 		requested := c.Param("filepath")
 		if requested == "" || requested == "/" {
-			c.File("./core/frontend/dist/ui/index.html")
+			base := "./core/frontend/dist/ui/index.html"
+			if _, err := os.Stat(base); os.IsNotExist(err) {
+				alt := "../core/frontend/dist/ui/index.html"
+				if _, err2 := os.Stat(alt); err2 == nil {
+					base = alt
+				}
+			}
+			c.File(base)
 			return
 		}
-		full := ".//core/frontend/dist/ui" + requested
+		baseDir := "./core/frontend/dist/ui"
+		if _, err := os.Stat(baseDir); os.IsNotExist(err) {
+			if _, err2 := os.Stat("../core/frontend/dist/ui"); err2 == nil {
+				baseDir = "../core/frontend/dist/ui"
+			}
+		}
+		full := baseDir + requested
 		if _, err := os.Stat(full); err == nil {
 			c.File(full)
 			return
 		}
-		c.File("./core/frontend/dist/ui/index.html")
+		c.File(filepath.Join(baseDir, "index.html"))
 	})
 
 	// 路由设置