public async Task CreateIndexTest()
{
//创建复合索引
await _mongo.CreateOneIndexAsync("persons", new Dictionary <string, SortDirection>
{
["ClassId"] = SortDirection.Ascending,
["CameraId"] = SortDirection.Ascending
});
//创建多个单索引
await _mongo.CreateManyIndexAsync(_collection, new Dictionary <string, SortDirection>
{
["FaceId"] = SortDirection.Ascending,
["UserName"] = SortDirection.Ascending
});
}