C# and mongodb

首先從網上下載MongoDB。地址http://www.mongodb.org/，找到適合自己的下載

這是我下載的。

在E盤新建個文件夾，將剛才下載的zip解壓，將其中bin目錄下的文件全部拷貝至剛才新建的文件夾。

然后在其中再建立個data文件夾。

然后通過cmd去啟動你的MongoDB

看我紅線框出來的即可。上面打錯了 - -

然后訪問localhost:27017看到如下所示，就表示你的MongoDB已經啟動完畢

 

增加：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.Serialization;
using System.Data;
using System.Data.SqlClient;
using MongoDB.Bson;
using MongoDB.Driver;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            //連接信息
            string conn = "mongodb://localhost";
            string database = "demoBase";
            string collection = "demoCollection";

            MongoServer mongodb = MongoServer.Create(conn);//連接數據庫
            MongoDatabase mongoDataBase = mongodb.GetDatabase(database);//選擇數據庫名
            MongoCollection mongoCollection = mongoDataBase.GetCollection(collection);//選擇集合，相當於表

            mongodb.Connect();

            //普通插入
            var o = new { Uid = 123, Name = "xixiNormal", PassWord = "111111" };
            mongoCollection.Insert(o);

            //對象插入
            Person p = new Person { Uid = 124, Name = "xixiObject", PassWord = "222222" };
            mongoCollection.Insert(p);

            //BsonDocument 插入
            BsonDocument b = new BsonDocument();
            b.Add("Uid", 125);
            b.Add("Name", "xixiBson");
            b.Add("PassWord", "333333");
            mongoCollection.Insert(b);

            Console.ReadLine();
        }
    }

    class Person {
        public int Uid;
        public string Name;
        public string PassWord;

    }
}

結果：

都是上述配置寫的，程序會自動建立對應的庫和集合。

下面的操作不上完整代碼了:

            /*---------------------------------------------
             * sql : SELECT * FROM table 
             *---------------------------------------------
             */
            MongoCursor<Person> p = mongoCollection.FindAllAs<Person>();

            /*---------------------------------------------
             * sql : SELECT * FROM table WHERE Uid > 10 AND Uid < 20
             *---------------------------------------------
             */
            QueryDocument query = new QueryDocument();
            BsonDocument b = new BsonDocument();
            b.Add("$gt", 10);
            b.Add("$lt", 20);
            query.Add("Uid", b);

            MongoCursor<Person> m = mongoCollection.FindAs<Person>(query);

            /*-----------------------------------------------
             * sql : SELECT COUNT(*) FROM table WHERE Uid > 10 AND Uid < 20
             *-----------------------------------------------
             */
            long c = mongoCollection.Count(query);

            /*-----------------------------------------------
            * sql : SELECT Name FROM table WHERE Uid > 10 AND Uid < 20
            *-----------------------------------------------
            */
            QueryDocument query = new QueryDocument();
            BsonDocument b = new BsonDocument();
            b.Add("$gt", 10);
            b.Add("$lt", 20);
            query.Add("Uid", b);
            FieldsDocument f = new FieldsDocument();
            f.Add("Name", 1);

            MongoCursor<Person> m = mongoCollection.FindAs<Person>(query).SetFields(f);
            /*-----------------------------------------------
            * sql : SELECT * FROM table ORDER BY Uid DESC LIMIT 10,10
            *-----------------------------------------------
            */
            QueryDocument query = new QueryDocument();
            SortByDocument s = new SortByDocument();
            s.Add("Uid", -1);//-1=DESC

            MongoCursor<Person> m = mongoCollection.FindAllAs<Person>().SetSortOrder(s).SetSkip(10).SetLimit(10);