如何在c#中插入嵌套集合到mongodb
本文关键字:嵌套 集合 mongodb 插入 | 更新日期: 2023-09-27 18:12:22
我想用c#创建这样的集合
Agent_name: {
f: "vbv",
l: "vbvbv"
},
"Agent_LoginSessionId" : "",
"Agent_GroupCode" : "",
"Agent_dtmCreated" : "",
"Agent_dtmLastLogin" : "",
"Agent_strIsActive" : ""
stamps: {
ins: "",
upd: "",
createUsr: "",
updUsr: "",
Ins_Ip: "",
Upd_IP: ""
}
我的c#代码是这样的:
MongoCollection<BsonDocument> Agents = mydb.GetCollection<BsonDocument>("Agents");
BsonDocument collectionAgent = new BsonDocument {
{ "Agent_Login", Aid },
{"Agent_Pwd",Apwd},
{"Agent_Rpwd",Arpwd},
Agent_Name:
{ "f", Afname},
{"l", Alname} ,
{"Agent_LoginSessionId",""},
{"Agent_GroupCode",AgroupId},
{"Status",AStastus}
};
Agents.Insert(collectionAgent)
如何在c#中实现?它需要任何特定的驱动程序来安装。请建议一下好吗?
要使用。net驱动程序将文档插入MongoDB,您有两种选择如何在程序中表示数据:
- 使用BsonDocument对象模型(如在您的示例代码中)
- 使用c#类,并让驱动程序将它们映射到BSON文档。
使用BsonDocument对象模型创建复杂的BSON文档可能会变得复杂,主要是因为所涉及的所有嵌套。下面是如何使用BsonDocument对象模型将该文档插入集合:
var bsonDocument = new BsonDocument
{
{ "_id", ObjectId.GenerateNewId() },
{ "Agent_name", new BsonDocument
{
{ "f", "vbv" },
{ "l", "vbvbv" }
}
},
{ "Agent_LoginSessionId", "" },
{ "Agent_GroupCode", "" },
{ "Agent_dtmCreated", "" },
{ "Agent_dtmLastLogin", "" },
{ "Agent_strIsActive", "" },
{ "stamps", new BsonDocument
{
{ "ins", "" },
{ "upd", "" },
{ "createUsr", "" },
{ "updUsr", "" },
{ "Ins_Ip", "" },
{ "Upd_Ip", "" }
}
}
};
collection.Insert(bsonDocument);
我已经添加了一个"_id"元素到文档,因为所有MongoDB文档将有一个"_id"(你可以让服务器自动添加它,如果你喜欢)。
另一种选择是定义一组c#类,驱动程序可以在BSON文档之间进行映射。
下面是如何使用c#类插入相同的文档:var agent = new Agent
{
Id = ObjectId.GenerateNewId(),
Name = new AgentName { First = "vbv", Last = "vbvbv" },
LoginSessionId = "",
GroupCode = "",
Created = "",
LastLogin = "",
IsActive = "",
Stamps = new Stamps
{
Inserted = "",
Updated = "",
CreateUser = "",
UpdateUser = "",
InsertIPAddress = "",
UpdateIPAddress = ""
}
};
collection.Insert(agent);
这里是c#类定义。我使用。net命名约定的属性,并使用[BsonElement("…")]属性指定BSON文档中元素的相应名称:
public class Agent
{
public ObjectId Id { get; set; }
[BsonElement("Agent_name")]
public AgentName Name { get; set; }
[BsonElement("Agent_LoginSessionId")]
public string LoginSessionId { get; set; }
[BsonElement("Agent_GroupCode")]
public string GroupCode { get; set; }
[BsonElement("Agent_dtmCreated")]
public string Created { get; set; }
[BsonElement("Agent_dtmLastLogin")]
public string LastLogin { get; set; }
[BsonElement("Agent_strIsActive")]
public string IsActive { get; set; }
[BsonElement("stamps")]
public Stamps Stamps { get; set; }
}
public class AgentName
{
[BsonElement("f")]
public string First { get; set; }
[BsonElement("l")]
public string Last { get; set; }
}
public class Stamps
{
[BsonElement("ins")]
public string Inserted { get; set; }
[BsonElement("upd")]
public string Updated { get; set; }
[BsonElement("createUsr")]
public string CreateUser { get; set; }
[BsonElement("updUser")]
public string UpdateUser { get; set; }
[BsonElement("Ins_Ip")]
public string InsertIPAddress { get; set; }
[BsonElement("Upd_Ip")]
public string UpdateIPAddress { get; set; }
}