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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{ 内容来自samhan666

public static void AddMongoDB(this IServiceCollection services, IConfiguration configuration) 内容来自zvvq，别采集哟

{

services.Configure<Settings>(options =>

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{

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

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

});

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} 本文来自zvvq

} 内容来自zvvq

public class MongoDBBase

{ 本文来自zvvq

private readonly IMongoDatabase _database = null;

public MongoDBBase(string connectionString, string databaseName) 内容来自samhan666

{

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var client = new MongoClient(connectionString);

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if (client != null) 内容来自zvvq

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_database = client.GetDatabase(databaseName); zvvq

}

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} 内容来自zvvq

region SELECT zvvq好，好zvvq

/// <summary>

/// 根据查询条件，获取数据 内容来自samhan

/// </summary> 内容来自zvvq，别采集哟

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

/// <param name="id"></param>

/// <returns></returns> 本文来自zvvq

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

{

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

if (conditions != null)

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

}

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return collection.Find(_ => true).ToList(); 内容来自samhan

}endregion 内容来自zvvq

region INSERT/// <summary>

/// 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> zvvq

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

public List<T> InsertMany<T>(List<T> list) zvvq好，好zvvq

{ copyright zvvq

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

collection.InsertMany(list);

return list; 内容来自samhan666

} zvvq

endregion

} 内容来自samhan

"MongoConnection": { //mongodb数据库连接

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

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"Database": "testdb", zvvq.cn

"IsSSL": true

}, 内容来自samhan666

[Produces("application/json")] 内容来自samhan

[Route("api/MongoDB/[action]")] 内容来自zvvq

public class MongoDBController : Controller 内容来自samhan666

{

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private readonly MongoDBBase _context = null;

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public MongoDBController(IOptions<Settings> settings)

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{

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

} 内容来自samhan

[HttpGet]

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public IActionResult AddList()

{

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

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new MongoDBPostTest()

{

Id = "2",

Body = "Test note 3",

UpdatedOn = DateTime.Now,

UserId = 1, zvvq.cn

HeaderImage = new NoteImage zvvq好，好zvvq

{

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ImageSize = 10, 内容来自zvvq

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

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

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}

},

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new MongoDBPostTest()

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{ copyright zvvq

Id = "3",

Body = "Test note 4", 本文来自zvvq

UpdatedOn = DateTime.Now,

UserId = 1,

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HeaderImage = new NoteImage 本文来自zvvq

{ copyright zvvq

ImageSize = 14,

Url = "http://localhost/image3.png",

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ThumbnailUrl = "http://localhost/image3_small.png" 内容来自samhan

}

} 内容来自samhan

};

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try

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{

_context.InsertMany(list);

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catch (Exception ex) 本文来自zvvq

{

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}

return Ok("成功"); zvvq好，好zvvq

} copyright zvvq

[HttpGet]

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public Result<List<MongoDBPostTest>> SelectSingle() 本文来自zvvq

{ 内容来自zvvq，别采集哟

//无条件

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

//有条件 zvvq好，好zvvq

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

//得到单条数据,无条件

//var list = _context.GetSingle<MongoDBPostTest>(); zvvq.cn

//得到单条数据,有条件 内容来自samhan

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

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

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

return ResHelper.Suc(1, list, "成功");

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}

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} zvvq好，好zvvq

public class MongoDBPostTest zvvq

{

[BsonId]

// standard BSonId generated by MongoDb

public ObjectId InternalId { get; set; } 内容来自samhan666

public string Id { get; set; }

public string Body { get; set; } = string.Empty; zvvq

[BsonDateTimeOptions]

public DateTime UpdatedOn { get; set; } = DateTime.Now;

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public NoteImage HeaderImage { get; set; }

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public int UserId { get; set; } = 0;

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} copyright zvvq

public class NoteImage

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public string Url { get; set; } = string.Empty; zvvq.cn

public string ThumbnailUrl { get; set; } = string.Empty;

public long ImageSize { get; set; } = 0L;

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} 内容来自zvvq，别采集哟