C# 操作 MongoDB的示例demo
今项目使用Mongodb，C#操作MongoDB使用MongoDB.Driver.dll库(Nuget)，写了个小Demo，如下：
usingSystem;
usingSystem.Collections.Generic;
usingSystem.Linq;
usingSystem.Linq.Expressions;
usingSystem.Text;
usingMongoDB.Driver;
namespaceMongoBase
{
internalclassMongoBase
{
privatestaticstring_connStr="mongodb://root:123456@127.0.0.1:27017";
privatestaticstring_dbName="test";
privatestaticMongoUrlurl=newMongoUrl(_connStr);
privatestaticMongoClientclient=newMongoClient(url);
publicstaticIMongoDatabasedb=client.GetDatabase(_dbName);
}
publicclassMongoHelper
{
publicstringName=>typeof(TEntity).Name;
publicIMongoCollectionCollection=>MongoBase.db.GetCollection(Name);
publicListQueryable=>Collection.AsQueryable().ToList();
publicFilterDefinitionBuilderFilter=>Builders.Filter;
publicUpdateDefinitionBuilderUpdate=>Builders.Update;
publicProjectionDefinitionBuilderProjection=>Builders.Projection;
}
}
usingSystem;
usingSystem.Collections.Generic;
usingSystem.Text;
usingMongoDB.Bson;
usingMongoDB.Bson.Serialization.Attributes;
namespaceMongoBase
{
publicclassEntityBase
{
publicEntityBase()
{
_id=ObjectId.GenerateNewId();
createTime=DateTime.Now;
isDelete=false;
id=_id.ToString();
}
[BsonId]
publicObjectId_id{get;set;}
publicstringid{get;set;}
publicDateTime?createTime{get;set;}
publicbool?isDelete{get;set;}
}
}
usingMongoBase;
usingMongoDB.Bson;
usingMongoDB.Bson.Serialization.Attributes;
namespaceConsoleApp5
{
internalclassVideo:EntityBase
{
publicstringTitle{get;set;}
publicstringCategory{get;set;}
publicintMinutes{get;set;}
publicstringComments{get;set;}
}
}
usingSystem;
usingSystem.Collections.Generic;
usingMongoBase;
usingMongoDB.Bson;
usingMongoDB.Driver;
usingMongoDB.Driver.Linq;
namespaceConsoleApp5
{
classProgram
{
staticvoidMain(string[]args)
{
MongoHelper
注：时间类型的属性，存入MongoDB后会比北京时间少8小时，是由于默认写入的是世界标准时间，可在时间类型属性上添加
[BsonDateTimeOptions(Kind=DateTimeKind.Local)]
publicDateTimecreateTime{get;set;}
的特性，这样取出来之后就是北京时间。
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