GetGroupVisitorsV2：用批量看看

domain/model/user_m/user.go

@@ -155,9 +155,24 @@ func GetUserExternalIds(model *domain.Model, userIds []mysql.ID) ([]string, map[
 		return res, m, c
 	}
 	var users []User
-	if err := model.DB().Model(User{}).Where("id in (?)", userIds).Select("id,external_id").Find(&users).Error; err != nil {
+	total := len(userIds)
+	const NUM = 500
+	start, end := 0, NUM
+	for start < total {
+		if end > total {
+			end = total
+		}
+		var tmp []User
+		tmpUserId := userIds[start:end]
+		if err := model.DB().Model(User{}).Where("id in (?)", tmpUserId).Select("id,external_id,code").Find(&tmp).Error; err != nil {
 			model.Log.Errorf("GetUserExternalIds fail:%v", err)
+		} else if len(tmp) > 0 {
+			users = append(users, tmp...)
 		}
+		start += NUM
+		end += NUM
+	}
+
 	for _, user := range users {
 		res = append(res, user.ExternalId)
 		m[user.ID] = user.ExternalId

route/group_r/group_list.go

@@ -1039,7 +1039,7 @@ func GetGroupVisitorsV2(c *gin.Context) (*mycontext.MyContext, error) {
 	beginPos := pageSize * (pageIndex - 1)
 	if uint(beginPos) < result.Total {
 		// 取在线状态
-		extIds, userExtIdMap, userCodeMap := user_c.GetUserExternalIds(model, userIds)
+		extIds, userExtIdMap, userCodeMap := user_m.GetUserExternalIds(model, userIds)
 		statusMap, err := tim_m.GetOnlineStatus(model, extIds)
 		if err != nil {
 			return myContext, err