学习asp.net core集成MongoDB的完整步骤（asp.net core

//扩展方法public static class ServiceCollectionExtensions

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{

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public static void AddMongoDB(this IServiceCollection services, IConfiguration configuration) zvvq

{

services.Configure<Settings>(options => 内容来自zvvq

{ 内容来自samhan

options.ConnectionString = configuration.GetSection("MongoConnection:ConnectionString").Value;

options.Database = configuration.GetSection("MongoConnection:Database").Value; 内容来自samhan666

}); copyright zvvq

} zvvq.cn

} zvvq

public class MongoDBBase

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{ zvvq.cn

private readonly IMongoDatabase _database = null; 内容来自zvvq

public MongoDBBase(string connectionString, string databaseName)

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{

var client = new MongoClient(connectionString);

if (client != null) 内容来自samhan666

{ copyright zvvq

_database = client.GetDatabase(databaseName); zvvq.cn

} 内容来自zvvq，别采集哟

}

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#region SELECT

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/// <summary> zvvq.cn

/// 根据查询条件，获取数据

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/// </summary>

/// <typeparam name="T"></typeparam> 内容来自samhan666

/// <param name="id"></param> 内容来自samhan

/// <returns></returns> zvvq

public List<T> GetList<T>(Expression<Func<T, bool>> conditions = null) copyright zvvq

{

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var collection = _database.GetCollection<T>(typeof(T).Name); 内容来自samhan666

if (conditions != null) zvvq.cn

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return collection.Find(conditions).ToList();

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} zvvq.cn

return collection.Find(_ => true).ToList();

}#endregion 内容来自samhan666

#region INSERT/// <summary> 本文来自zvvq

/// 插入多条数据，数据用list表示

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/// </summary> zvvq

/// <typeparam name="T"></typeparam>

/// <param name="list"></param> 本文来自zvvq

/// <returns></returns> copyright zvvq

public List<T> InsertMany<T>(List<T> list) 本文来自zvvq

{

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var collection = _database.GetCollection<T>(typeof(T).Name);

collection.InsertMany(list);

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return list; copyright zvvq

} zvvq

#endregion

} 本文来自zvvq

"MongoConnection": { //mongodb数据库连接

"ConnectionString": "mongodb://127.0.0.1:27017",

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"Database": "testdb", zvvq

"IsSSL": true

},

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[Produces("application/json")]

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[Route("api/MongoDB/[action]")]

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public class MongoDBController : Controller zvvq

{

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private readonly MongoDBBase _context = null; zvvq.cn

public MongoDBController(IOptions<Settings> settings)

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_context = new MongoDBBase(settings.Value.ConnectionString, settings.Value.Database);

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}

[HttpGet]

public IActionResult AddList() 本文来自zvvq

{ 内容来自samhan666

List<MongoDBPostTest> list = new List<MongoDBPostTest>()

{

new MongoDBPostTest() 本文来自zvvq

{ zvvq.cn

Id = "2", 内容来自samhan666

Body = "Test note 3", zvvq.cn

UpdatedOn = DateTime.Now,

UserId = 1,

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HeaderImage = new NoteImage

{

ImageSize = 10, 内容来自samhan

Url = "http://localhost/image1.png", zvvq好，好zvvq

ThumbnailUrl = "http://localhost/image1_small.png"

}

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},

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new MongoDBPostTest() 内容来自zvvq，别采集哟

{

Id = "3", 内容来自zvvq

Body = "Test note 4", zvvq

UpdatedOn = DateTime.Now, copyright zvvq

UserId = 1, zvvq好，好zvvq

HeaderImage = new NoteImage

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{

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ImageSize = 14,

Url = "http://localhost/image3.png", 本文来自zvvq

ThumbnailUrl = "http://localhost/image3_small.png"

}

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} 内容来自zvvq

}; 本文来自zvvq

try

{

_context.InsertMany(list); 内容来自samhan666

}

catch (Exception ex)

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{

throw; zvvq好，好zvvq

} copyright zvvq

return Ok("成功"); zvvq.cn

}

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[HttpGet] copyright zvvq

public Result<List<MongoDBPostTest>> SelectSingle()

{ 内容来自samhan

//无条件

var list = _context.GetList<MongoDBPostTest>();

//有条件

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//var list = _context.GetList<MongoDBPostTest>(a => a.Id == "1");

//得到单条数据,无条件 本文来自zvvq

//var list = _context.GetSingle<MongoDBPostTest>(); 内容来自zvvq

//得到单条数据,有条件 内容来自zvvq

//var list = _context.GetSingle<MongoDBPostTest>(a => a.Id == "3");

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ObjectId internalId = _context.GetInternalId("5bbf41651d3b66668cbb5bfc");

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var a = _context.GetSingle<MongoDBPostTest>(note => note.Id == "5bbf41651d3b66668cbb5bfc" || note.InternalId == internalId); 内容来自samhan

return ResHelper.Suc(1, list, "成功"); zvvq

}

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}

public class MongoDBPostTest zvvq

{ 内容来自samhan666

[BsonId]

// standard BSonId generated by MongoDb zvvq好，好zvvq

public ObjectId InternalId { get; set; }

public string Id { get; set; }

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public string Body { get; set; } = string.Empty; 内容来自zvvq，别采集哟

[BsonDateTimeOptions] copyright zvvq

public DateTime UpdatedOn { get; set; } = DateTime.Now; 内容来自samhan

public NoteImage HeaderImage { get; set; }

public int UserId { get; set; } = 0; 本文来自zvvq

} 内容来自zvvq

public class NoteImage 内容来自samhan666

{

public string Url { get; set; } = string.Empty; 内容来自samhan

public string ThumbnailUrl { get; set; } = string.Empty; 内容来自samhan666

public long ImageSize { get; set; } = 0L; 本文来自zvvq

}