1. 海报

hunliji-api/visit/visit.go

@@ -6,6 +6,7 @@ import (
 	"io"
 	"log"
 	"net/http"
+	"sort"
 	"strconv"
 	"strings"
 	"sync"
@@ -251,6 +252,117 @@ func truncateRunes(s string, max int) string {
 	return string(r[:max])
 }
 
+// parseDeviceFromUA 从 UA 解析机型/平台，用于用户画像统计
+func parseDeviceFromUA(ua string) string {
+	ua = strings.TrimSpace(ua)
+	if ua == "" {
+		return "未知"
+	}
+	lower := strings.ToLower(ua)
+
+	if strings.Contains(ua, "iPhone") {
+		return "iPhone"
+	}
+	if strings.Contains(ua, "iPad") {
+		return "iPad"
+	}
+	if strings.Contains(lower, "android") {
+		if model := extractAndroidModel(ua); model != "" {
+			return model
+		}
+		return "Android"
+	}
+	if strings.Contains(lower, "windows phone") {
+		return "Windows Phone"
+	}
+	if strings.Contains(lower, "windows") {
+		return "Windows"
+	}
+	if strings.Contains(ua, "Macintosh") || strings.Contains(lower, "mac os") {
+		return "Mac"
+	}
+	if strings.Contains(lower, "linux") {
+		return "Linux"
+	}
+	return "其他"
+}
+
+func extractAndroidModel(ua string) string {
+	// 常见形态：Linux; Android 13; SM-S9180 Build/... 或 Android 12; Pixel 7)
+	idx := strings.Index(ua, "Android")
+	if idx < 0 {
+		return ""
+	}
+	rest := ua[idx:]
+	semi := strings.Index(rest, ";")
+	if semi < 0 {
+		return ""
+	}
+	rest = strings.TrimSpace(rest[semi+1:])
+	end := len(rest)
+	for _, sep := range []string{" Build", ")", "; HMSCore", "; HarmonyOS"} {
+		if p := strings.Index(rest, sep); p >= 0 && p < end {
+			end = p
+		}
+	}
+	model := strings.TrimSpace(rest[:end])
+	model = strings.Trim(model, "; ")
+	if model == "" || strings.EqualFold(model, "wv") || strings.HasPrefix(strings.ToLower(model), "linux") {
+		return ""
+	}
+	// 过长型号截断
+	r := []rune(model)
+	if len(r) > 40 {
+		model = string(r[:40])
+	}
+	return model
+}
+
+func aggregateDevices() []map[string]interface{} {
+	type uaRow struct {
+		Fingerprint string
+		UserAgent   string
+		LastSeenAt  time.Time
+	}
+	var rows []uaRow
+	db.Model(&SiteVisit{}).
+		Select("fingerprint, user_agent, last_seen_at").
+		Order("last_seen_at desc").
+		Find(&rows)
+
+	seen := map[string]struct{}{}
+	counts := map[string]int64{}
+	for _, r := range rows {
+		if _, ok := seen[r.Fingerprint]; ok {
+			continue
+		}
+		seen[r.Fingerprint] = struct{}{}
+		name := parseDeviceFromUA(r.UserAgent)
+		counts[name]++
+	}
+
+	type kv struct {
+		Name  string
+		Value int64
+	}
+	list := make([]kv, 0, len(counts))
+	for name, value := range counts {
+		list = append(list, kv{Name: name, Value: value})
+	}
+	sort.Slice(list, func(i, j int) bool { return list[i].Value > list[j].Value })
+	if len(list) > 30 {
+		list = list[:30]
+	}
+	out := make([]map[string]interface{}, 0, len(list))
+	for _, item := range list {
+		out = append(out, map[string]interface{}{
+			"name":  item.Name,
+			"value": item.Value,
+		})
+	}
+	return out
+}
+
 func handleTrackVisit(c *gin.Context) {
 	var body struct {
 		Fingerprint string `json:"fingerprint"`
@@ -372,6 +484,8 @@ func handleVisitStats(c *gin.Context) {
 		regions = []regionRow{}
 	}
 
+	devices := aggregateDevices()
+
 	c.JSON(200, gin.H{
 		"code": 200,
 		"data": gin.H{
@@ -379,6 +493,7 @@ func handleVisitStats(c *gin.Context) {
 			"pv":       pv,
 			"today_uv": todayUV,
 			"regions":  regions,
+			"devices":  devices,
 		},
 	})
 }
@@ -408,10 +523,31 @@ func handleVisitList(c *gin.Context) {
 		list = []SiteVisit{}
 	}
 
+	enriched := make([]gin.H, 0, len(list))
+	for _, row := range list {
+		enriched = append(enriched, gin.H{
+			"id":            row.ID,
+			"fingerprint":   row.Fingerprint,
+			"client_id":     row.ClientID,
+			"ip":            row.IP,
+			"country":       row.Country,
+			"region":        row.Region,
+			"city":          row.City,
+			"isp":           row.ISP,
+			"raw_location":  row.RawLocation,
+			"user_agent":    row.UserAgent,
+			"device":        parseDeviceFromUA(row.UserAgent),
+			"referer":       row.Referer,
+			"visit_count":   row.VisitCount,
+			"first_seen_at": row.FirstSeenAt,
+			"last_seen_at":  row.LastSeenAt,
+		})
+	}
+
 	c.JSON(200, gin.H{
 		"code": 200,
 		"data": gin.H{
-			"list":     list,
+			"list":     enriched,
 			"total":    total,
 			"page":     page,
 			"pageSize": pageSize,