feat: 导出CSV加HLS代理列，按IP排序

internal/web/ui.go

@@ -1675,16 +1675,20 @@ func (u *UI) actionDevicesExportChannels(w http.ResponseWriter, r *http.Request)
     w.Header().Set("Content-Type", "text/csv; charset=utf-8")
     w.Header().Set("Content-Disposition", "attachment; filename=video_channels.csv")
     w.Write([]byte("\xef\xbb\xbf"))
-    w.Write([]byte("设备名,IP,视频源,RTSP地址,HLS地址\n"))
+    w.Write([]byte("设备名,IP,视频源,RTSP地址,HLS地址,HLS代理地址\n"))
 
     if u.preview == nil {
         return
     }
     units, _ := u.preview.ListRecognitionUnits()
+    type row struct {
+        devName, devIP, devID, unitName, sourceName, rtsp, hls, proxyHLS string
+    }
+    var rows []row
     for _, unit := range units {
-        // Find which device this unit is assigned to
         devName := ""
         devIP := ""
+        devID := ""
         for _, dev := range devices {
             if dev == nil {
                 continue
@@ -1694,6 +1698,7 @@ func (u *UI) actionDevicesExportChannels(w http.ResponseWriter, r *http.Request)
                     if ref == unit.Ref {
                         devName = dev.DisplayName()
                         devIP = dev.IP
+                        devID = dev.DeviceID
                         break
                     }
                 }
@@ -1709,11 +1714,23 @@ func (u *UI) actionDevicesExportChannels(w http.ResponseWriter, r *http.Request)
         if rtspPort == "" {
             rtspPort = "8555"
         }
-        rtsp := fmt.Sprintf("rtsp://%s:%s/live/%s", devIP, rtspPort, unit.Name)
-        hls := fmt.Sprintf("http://%s:9000/hls/%s/index.m3u8", devIP, unit.Name)
-        fmt.Fprintf(w, "%s,%s,%s,%s,%s\n",
-            escapeCSV(devName), escapeCSV(devIP),
-            escapeCSV(unit.VideoSourceRef), escapeCSV(rtsp), escapeCSV(hls))
+        rows = append(rows, row{
+            devName, devIP, devID, unit.Name, unit.VideoSourceRef,
+            fmt.Sprintf("rtsp://%s:%s/live/%s", devIP, rtspPort, unit.Name),
+            fmt.Sprintf("http://%s:9000/hls/%s/index.m3u8", devIP, unit.Name),
+            fmt.Sprintf("http://管理端IP:18080/hls/%s/hls/%s/index.m3u8", devID, unit.Name),
+        })
+    }
+    sort.Slice(rows, func(i, j int) bool {
+        if rows[i].devIP != rows[j].devIP {
+            return rows[i].devIP < rows[j].devIP
+        }
+        return rows[i].unitName < rows[j].unitName
+    })
+    for _, r := range rows {
+        fmt.Fprintf(w, "%s,%s,%s,%s,%s,%s\n",
+            escapeCSV(r.devName), escapeCSV(r.devIP),
+            escapeCSV(r.sourceName), escapeCSV(r.rtsp), escapeCSV(r.hls), escapeCSV(r.proxyHLS))
     }
 }