MongoHelper.cs-白红宇

MongoHelper.cs

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发布时间：2019-06-28

本文共 2640 字，大约阅读时间需要 8 分钟。

using System;using MongoDB.Bson;using MongoDB;using System.Web;using MongoDB.Driver;namespace YSF.ImageUtility{////http://blog.csdn.net/dannywj1371/article/details/7440916//https://github.com/mongodb/mongo-csharp-driver//http://docs.mongodb.org/ecosystem/drivers/csharp-community-projects/public class MongoDBHelper{private const string CurrentSessionKey = "mongodb.current_session";private static string dbName = "test";static string connectionString = "mongodb://localhost";static MongoClient client = null;static MongoServer server = null;//static MongoDatabase database = null;// WriteConcern defaulted to Acknowledgedstatic MongoDBHelper(){client = new MongoClient(connectionString);}/// /// 打开一个数据库连接/// 
public static MongoDatabase Open(){if (HttpContext.Current != null){server = HttpContext.Current.Session[CurrentSessionKey] as MongoServer;if (server == null){server = client.GetServer();HttpContext.Current.Session[CurrentSessionKey] = server;}}else{server = client.GetServer();}server.Connect();return server.GetDatabase(dbName);}/// /// 不要忘记关闭连接/// 
public static void Close(){if (HttpContext.Current == null){return;}if (server == null){server = HttpContext.Current.Session[CurrentSessionKey] as MongoServer;}if (server != null){server.Disconnect();}}}//public class MongoDBHelper//{// private const string CurrentSessionKey = "mongodb.current_session";// //string strCon = @"mongodb://admin:xPlBBU7H1cDr@127.6.127.130:27017/";// private static string strConnection = @"mongodb://localhost/";// private static string dbName = "bolo";// private static MongoConfigurationBuilder config = new MongoConfigurationBuilder();// static MongoDBHelper()// {// // COMMENT OUT FROM HERE// config.Mapping(mapping =>// {// mapping.Map
     
      ();// mapping.Map
      
       ();// });// config.ConnectionString(strConnection);// }// /// 
       // /// 打开一个数据库连接// /// 
// public static IMongoDatabase Open()// {// Mongo mongo = null;// if (HttpContext.Current != null)// {// mongo = HttpContext.Current.Session[CurrentSessionKey] as Mongo;// if (mongo == null)// {// mongo = new Mongo(config.BuildConfiguration());// HttpContext.Current.Session[CurrentSessionKey] = mongo;// }// mongo.Connect();// }// else// {// mongo = new Mongo(config.BuildConfiguration());// mongo.Connect();// }// return mongo.GetDatabase(dbName);// }// /// 
       // /// 不要忘记关闭连接// /// 
// public static void Close()// {// if (HttpContext.Current == null)// {// return;// }// var mongo = HttpContext.Current.Session[CurrentSessionKey] as Mongo;// if (mongo != null)// {// mongo.Disconnect();// }// }//}}