fix: 彩云API 的时间转化为右端点

.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

internal/database/models.go

@@ -131,7 +131,7 @@ func GetSeriesFrom10Min(db *sql.DB, stationID string, startTime, endTime time.Ti
 	case "10min":
 		query = `
 			SELECT 
-				to_char(bucket_start, 'YYYY-MM-DD HH24:MI:SS') AS date_time,
+				to_char(bucket_start + interval '10 minutes', 'YYYY-MM-DD HH24:MI:SS') AS date_time,
 				ROUND(temp_c_x100/100.0, 2) AS temperature,
 				ROUND(humidity_pct::numeric, 2) AS humidity,
 				ROUND(pressure_hpa_x100/100.0, 2) AS pressure,
@@ -143,7 +143,7 @@ func GetSeriesFrom10Min(db *sql.DB, stationID string, startTime, endTime time.Ti
 				ROUND(rain_total_mm_x1000/1000.0, 3) AS rain_total
 			FROM rs485_weather_10min
 			WHERE station_id = $1 AND bucket_start >= $2 AND bucket_start <= $3
-			ORDER BY bucket_start`
+			ORDER BY bucket_start + interval '10 minutes'`
 	case "30min":
 		query = buildAggFrom10MinQuery("30 minutes")
 	default: // 1hour
@@ -205,8 +205,8 @@ func buildAggFrom10MinQuery(interval string) string {
 		FROM base
 		GROUP BY 1
 	)
-	SELECT
+    SELECT
-		to_char(grp, 'YYYY-MM-DD HH24:MI:SS') AS date_time,
+        to_char(grp + '` + interval + `'::interval, 'YYYY-MM-DD HH24:MI:SS') AS date_time,
 		ROUND((w_temp/NULLIF(n_sum,0))/100.0, 2)   AS temperature,
 		ROUND((w_hum/NULLIF(n_sum,0))::numeric, 2) AS humidity,
 		ROUND((w_p/NULLIF(n_sum,0))/100.0, 2)      AS pressure,
@@ -219,7 +219,7 @@ func buildAggFrom10MinQuery(interval string) string {
 		ROUND((w_uv/NULLIF(n_sum,0))::numeric, 2)  AS uv,
 		ROUND((rain_total_max/1000.0)::numeric, 3) AS rain_total
 	FROM g
-	ORDER BY grp`
+    ORDER BY grp + '` + interval + `'::interval`
 }
 
 // buildWeatherDataQuery 构建天气数据查询SQL

internal/forecast/caiyun.go

@@ -65,7 +65,10 @@ func RunCaiyunFetch(ctx context.Context, token string) error {
 
 	issuedAt := time.Now().In(loc)
 	startHour := issuedAt.Truncate(time.Hour)
-	targets := []time.Time{startHour.Add(1 * time.Hour), startHour.Add(2 * time.Hour), startHour.Add(3 * time.Hour)}
+	// 彩云小时接口返回的是“左端点”时刻（例如 13:00 表示 13:00-14:00 区间）。
+	// 我们将左端点列表保留为 startHour, startHour+1h, startHour+2h，并在写库时统一 +1h
+	// 使得 forecast_time 表示区间右端，与实测聚合对齐。
+	leftEdges := []time.Time{startHour, startHour.Add(1 * time.Hour), startHour.Add(2 * time.Hour)}
 
 	for _, s := range stations {
 		if !s.lat.Valid || !s.lon.Valid {
@@ -161,27 +164,30 @@ func RunCaiyunFetch(ctx context.Context, token string) error {
 			}
 		}
 
-		log.Printf("处理时间点: %v", targets)
+		log.Printf("处理时间点(彩云左端): %v", leftEdges)
-		for _, ft := range targets {
+		for _, left := range leftEdges {
-			if v, ok := table[ft]; ok {
+			v, ok := table[left]
-				log.Printf("写入预报点: station=%s time=%s rain=%.3f temp=%.2f rh=%.1f ws=%.3f wdir=%.1f prob=%.1f pres=%.2f",
+			if !ok {
-					s.id, ft.Format(time.RFC3339), v.rain, v.temp, v.rh, v.ws, v.wdir, v.prob, v.pres)
+				log.Printf("时间点无数据: %s", left.Format(time.RFC3339))
-				if err := upsertForecastCaiyun(ctx, db, s.id, issuedAt, ft,
+				continue
-					int64(v.rain*1000.0), // mm → x1000
+			}
-					int64(v.temp*100.0),  // °C → x100
+			ft := left.Add(1 * time.Hour)
-					int64(v.rh),          // %
+			log.Printf("写入预报点: station=%s forecast_time=%s (source=%s) rain=%.3f temp=%.2f rh=%.1f ws=%.3f wdir=%.1f prob=%.1f pres=%.2f",
-					int64(v.ws*1000.0),   // m/s → x1000
+				s.id, ft.Format(time.RFC3339), left.Format(time.RFC3339), v.rain, v.temp, v.rh, v.ws, v.wdir, v.prob, v.pres)
-					int64(0),             // gust: 彩云小时接口无阵风，置0
+			err := upsertForecastCaiyun(ctx, db, s.id, issuedAt, ft,
-					int64(v.wdir),        // 度
+				int64(v.rain*1000.0), // mm → x1000
-					int64(v.prob),        // %
+				int64(v.temp*100.0),  // °C → x100
-					int64(v.pres*100.0),  // hPa → x100
+				int64(v.rh),          // %
-				); err != nil {
+				int64(v.ws*1000.0),   // m/s → x1000
-					log.Printf("写入forecast失败(caiyun) station=%s time=%s err=%v", s.id, ft.Format(time.RFC3339), err)
+				int64(0),             // gust: 彩云小时接口无阵风，置0
-				} else {
+				int64(v.wdir),        // 度
-					log.Printf("写入forecast成功(caiyun) station=%s time=%s", s.id, ft.Format(time.RFC3339))
+				int64(v.prob),        // %
-				}
+				int64(v.pres*100.0),  // hPa → x100
+			)
+			if err != nil {
+				log.Printf("写入forecast失败(caiyun) station=%s time=%s err=%v", s.id, ft.Format(time.RFC3339), err)
 			} else {
-				log.Printf("时间点无数据: %s", ft.Format(time.RFC3339))
+				log.Printf("写入forecast成功(caiyun) station=%s time=%s", s.id, ft.Format(time.RFC3339))
 			}
 		}
 	}

internal/tools/backfill.go

@@ -93,9 +93,15 @@ func RunBackfill10Min(ctx context.Context, opts BackfillOptions) error {
 			prevTS = time.Time{}
 		}
 
-		// 计算该样本所在桶（CST对齐）
+        // 计算该样本所在桶（CST对齐）
-		bucketLocal := ts.In(loc).Truncate(time.Duration(opts.BucketMinutes) * time.Minute)
+        // 改为左开右闭 (left-open, right-closed)：恰好落在边界的样本归入“结束于该边界”的桶
-		bucketStart := time.Date(bucketLocal.Year(), bucketLocal.Month(), bucketLocal.Day(), bucketLocal.Hour(), bucketLocal.Minute(), 0, 0, loc)
+        localTs := ts.In(loc)
+        floor := localTs.Truncate(time.Duration(opts.BucketMinutes) * time.Minute)
+        bucketStart := floor
+        if localTs.Equal(floor) {
+            bucketStart = floor.Add(-time.Duration(opts.BucketMinutes) * time.Minute)
+        }
+        bucketStart = time.Date(bucketStart.Year(), bucketStart.Month(), bucketStart.Day(), bucketStart.Hour(), bucketStart.Minute(), 0, 0, loc)
 
 		if _, ok := buckets[stationID]; !ok {
 			buckets[stationID] = make(map[time.Time]*agg)

main.go

@@ -0,0 +1,236 @@
+package main
+
+import (
+	"bufio"
+	"encoding/hex"
+	"fmt"
+	"io"
+	"log"
+	"net"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+	"time"
+	"unicode/utf8"
+
+	"weatherstation/config"
+	"weatherstation/model"
+)
+
+type UTF8Writer struct {
+	w io.Writer
+}
+
+func NewUTF8Writer(w io.Writer) *UTF8Writer {
+	return &UTF8Writer{w: w}
+}
+
+func (w *UTF8Writer) Write(p []byte) (n int, err error) {
+	if utf8.Valid(p) {
+		return w.w.Write(p)
+	}
+	s := string(p)
+	s = strings.ToValidUTF8(s, "")
+	return w.w.Write([]byte(s))
+}
+
+var (
+	logFile       *os.File
+	logFileMutex  sync.Mutex
+	currentLogDay int
+)
+
+func getLogFileName() string {
+	currentTime := time.Now()
+	return filepath.Join("log", fmt.Sprintf("%s.log", currentTime.Format("2006-01-02")))
+}
+
+func openLogFile() (*os.File, error) {
+	logDir := "log"
+	if _, err := os.Stat(logDir); os.IsNotExist(err) {
+		os.MkdirAll(logDir, 0755)
+	}
+
+	logFileName := getLogFileName()
+	return os.OpenFile(logFileName, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
+}
+
+func setupLogger() {
+	var err error
+	logFile, err = openLogFile()
+	if err != nil {
+		log.Fatalf("无法创建日志文件: %v", err)
+	}
+
+	currentLogDay = time.Now().Day()
+
+	bufferedWriter := bufio.NewWriter(logFile)
+	utf8Writer := NewUTF8Writer(bufferedWriter)
+
+	go func() {
+		for {
+			time.Sleep(1 * time.Second)
+
+			logFileMutex.Lock()
+			bufferedWriter.Flush()
+
+			now := time.Now()
+			if now.Day() != currentLogDay {
+				oldLogFile := logFile
+				logFile, err = openLogFile()
+				if err != nil {
+					log.Printf("无法创建新日志文件: %v", err)
+				} else {
+					oldLogFile.Close()
+					currentLogDay = now.Day()
+					bufferedWriter = bufio.NewWriter(logFile)
+					utf8Writer = NewUTF8Writer(bufferedWriter)
+					log.SetOutput(io.MultiWriter(os.Stdout, utf8Writer))
+					log.Println("日志文件已轮转")
+				}
+			}
+			logFileMutex.Unlock()
+		}
+	}()
+
+	multiWriter := io.MultiWriter(os.Stdout, utf8Writer)
+	log.SetOutput(multiWriter)
+	log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
+}
+
+func startUDP() {
+	cfg := config.GetConfig()
+	err := model.InitDB()
+	if err != nil {
+		log.Fatalf("初始化数据库失败: %v", err)
+	}
+	defer model.CloseDB()
+	addr := fmt.Sprintf(":%d", cfg.Server.UDPPort)
+	conn, err := net.ListenPacket("udp", addr)
+	if err != nil {
+		log.Fatalf("无法监听UDP端口 %d: %v", cfg.Server.UDPPort, err)
+	}
+	defer conn.Close()
+	log.Printf("UDP服务器已启动，监听端口 %d...", cfg.Server.UDPPort)
+	buffer := make([]byte, 2048)
+	for {
+		n, addr, err := conn.ReadFrom(buffer)
+		if err != nil {
+			log.Printf("读取数据错误: %v", err)
+			continue
+		}
+		rawData := buffer[:n]
+		log.Printf("从 %s 接收到 %d 字节数据", addr.String(), n)
+
+		hexDump := hexDump(rawData)
+		log.Printf("原始码流(十六进制):\n%s", hexDump)
+		asciiDump := asciiDump(rawData)
+		log.Printf("ASCII码:\n%s", asciiDump)
+
+		// 首先尝试解析为WH65LP数据
+		if len(rawData) == 25 && rawData[0] == 0x24 {
+			wh65lpData, err := model.ParseWH65LPData(rawData)
+			if err != nil {
+				log.Printf("解析WH65LP数据失败: %v", err)
+			} else {
+				log.Println("成功解析WH65LP气象站数据:")
+				log.Println(wh65lpData)
+
+				// 更新内存中的设备信息
+				model.UpdateDeviceInMemory(wh65lpData.StationID, addr, model.DeviceTypeWH65LP)
+				// 注册设备到数据库
+				err = model.RegisterDeviceInDB(wh65lpData.StationID, addr)
+				if err != nil {
+					log.Printf("注册设备失败: %v", err)
+				}
+				log.Printf("设备 %s 已注册，IP: %s", wh65lpData.StationID, addr.String())
+
+				// 保存数据
+				err = model.SaveWH65LPData(wh65lpData, rawData)
+				if err != nil {
+					log.Printf("保存数据到数据库失败: %v", err)
+				} else {
+					log.Printf("数据已成功保存到数据库")
+				}
+				continue
+			}
+		}
+
+		// 如果不是WH65LP数据，尝试解析为ECOWITT数据
+		data := string(rawData)
+		weatherData, err := model.ParseWeatherData(data)
+		if err != nil {
+			log.Printf("解析ECOWITT数据失败: %v", err)
+			continue
+		}
+
+		log.Println("成功解析ECOWITT气象站数据:")
+		log.Println(weatherData)
+
+		if weatherData.StationID != "" {
+			// 更新内存中的设备信息
+			model.UpdateDeviceInMemory(weatherData.StationID, addr, model.DeviceTypeEcowitt)
+			// 注册设备到数据库
+			err = model.RegisterDeviceInDB(weatherData.StationID, addr)
+			if err != nil {
+				log.Printf("注册设备失败: %v", err)
+			}
+			log.Printf("设备 %s 已注册，IP: %s", weatherData.StationID, addr.String())
+		} else {
+			log.Printf("警告: 收到的数据没有站点ID")
+		}
+
+		err = model.SaveWeatherData(weatherData, data)
+		if err != nil {
+			log.Printf("保存数据到数据库失败: %v", err)
+		} else {
+			log.Printf("数据已成功保存到数据库")
+		}
+	}
+}
+
+func main() {
+	setupLogger()
+	startUDP() // 直接运行UDP服务器，不再使用goroutine
+}
+
+func hexDump(data []byte) string {
+	var result strings.Builder
+	for i := 0; i < len(data); i += 16 {
+		end := i + 16
+		if end > len(data) {
+			end = len(data)
+		}
+		chunk := data[i:end]
+		hexStr := hex.EncodeToString(chunk)
+		for j := 0; j < len(hexStr); j += 2 {
+			if j+2 <= len(hexStr) {
+				result.WriteString(strings.ToUpper(hexStr[j : j+2]))
+				result.WriteString(" ")
+			}
+		}
+		result.WriteString("\n")
+	}
+	return result.String()
+}
+
+func asciiDump(data []byte) string {
+	var result strings.Builder
+	for i := 0; i < len(data); i += 64 {
+		end := i + 64
+		if end > len(data) {
+			end = len(data)
+		}
+		chunk := data[i:end]
+		for _, b := range chunk {
+			if b >= 32 && b <= 126 {
+				result.WriteByte(b)
+			} else {
+				result.WriteString(".")
+			}
+		}
+		result.WriteString("\n")
+	}
+	return result.String()
+}