//实体类 public class User {//转载请保留 http://www.luofenming.com/show.aspx?id=ART2021021300001 public MongoDB.Bson.ObjectId Id { get; set; } public string name { get; set; } public int age { get; set; } }
//using MongoDB.Bson; //using MongoDB.Driver; public void Add(User t) { MongoClient client = new MongoClient("mongodb://192.168.1.105:27017/"); //获取database IMongoDatabase mydb = client.GetDatabase("myDb"); //获取collection var collection = mydb.GetCollection<User>("userinfos"); collection.InsertOne(t); } public void Read() { MongoClient client = new MongoClient("mongodb://192.168.1.105:27017/"); //获取database IMongoDatabase mydb = client.GetDatabase("myDb"); //获取collection var collection = mydb.GetCollection<User>("userinfos"); //方法一 //List<User> list1 = collection.Find(x => x.name == "罗分明").Skip(0).Limit(10).SortByDescending(x => x.age).ToList(); //方法二 var filterDic = new Dictionary<string, object> { { "name", "罗分明" }}; var filter = new BsonDocument(filterDic); var list1 = collection.Find(filter).Skip(0).Limit(10).ToList(); Console.WriteLine(JsonConvert.SerializeObject(list1)); } public void Update(ObjectId id) { //string转ObjectId MongoDB.Bson.ObjectId.Parse("60279eac5d25f5b17d85e7e9"); //或者MongoDB.Bson.ObjectId.TryParse("60279eac5d25f5b17d85e7e9"); MongoClient client = new MongoClient("mongodb://192.168.1.105:27017/"); //获取database IMongoDatabase mydb = client.GetDatabase("myDb"); //获取collection var collection = mydb.GetCollection<User>("userinfos"); var doc = collection.Find(x => x.Id == id).Skip(0).Limit(1).ToList(); if (!doc.Any()) return; var updateBuilder = Builders<User>.Update; var update = updateBuilder.Set(x => x.name, "罗分明") .Set(x => x.age, 20); UpdateResult result = collection.UpdateOne(x => x.Id == id, update); } public void Delete(ObjectId id) { MongoClient client = new MongoClient("mongodb://192.168.1.105:27017/"); //获取database IMongoDatabase mydb = client.GetDatabase("myDb"); //获取collection var collection = mydb.GetCollection<User>("userinfos"); DeleteResult result = collection.DeleteOne(x => x.Id == id); }
源码实例下载地址 : https://pan.baidu.com/s/1ICQpv0ghZ8jwp6LSRjEX0Q?pwd=5tu4 提取码: 5tu4