MongoDB的官方C#驱动可以通过这个链接得到。链接提供了.msi和.zip两种方式获取驱动dll文件。C#驱动的基本数据库连接,增删改查操作。在使用C#驱动的时候,要在工程中添加"MongoDB.Bson.dll"和"MongoDB.Driver.dll"的引用。同时要在代码中加入下面两个using语句。) U/ q( R! {! Q( M* f1 Z
using MongoDB.Bson.Serialization.Conventions;
using MongoDB.Driver;
using MongoDB.Driver.Linq;
using System.Text;
2 A: y' j. g r8 |* Y! K1 g0 ] 注册常用约定 , I! O- o2 r- |( i, h
public static void RigisterConventions()
{
var pack = new ConventionPack();
//元素名称序列化成驼峰形式
pack.Add(new CamelCaseElementNameConvention());
ConventionRegistry.Register("MyConventions", pack, x => true);
}
7 U# z, _. N, S$ g0 Y& Q! p, Z 初始化Mongo帮助类
) M6 t* ]: g1 L- ` v, T8 i3 j /// <summary>
/// 初始化Mongo帮助类
/// </summary>
/// <param name="connectionString">连接字符串</param>
/// <param name="dbName">数据库名</param>
public MongoHelper(string connectionString, string dbName)
{
_client = new MongoClient(connectionString);
_database = _client.GetDatabase(dbName);
}( J" p* W/ U; F" W; [4 H
获取集合 : Q" W5 ]3 _7 K7 E$ U# N1 f
/// <summary>
/// 获取集合
/// </summary>
/// <typeparam name="T">集合类型</typeparam>
/// <param name="collectionName">集合名</param>
/// <returns></returns>
public IMongoCollection<T> GetCollection<T>(string collectionName)
{
return _database.GetCollection<T>(collectionName);
}) l4 H& _) @$ _8 b5 {% S1 \' N
完整代码 4 ^) H* m+ {* V% t' ^
/// <summary>
/// MongoDB访问帮助类
/// </summary>
public class MongoHelper
{
private MongoClient _client;
private IMongoDatabase _database;
/// <summary>
/// 注册常用约定
/// </summary>
public static void RigisterConventions()
{
var pack = new ConventionPack();
//元素名称序列化成驼峰形式
pack.Add(new CamelCaseElementNameConvention());
ConventionRegistry.Register("MyConventions", pack, x => true);
}
/// <summary>
/// 初始化Mongo帮助类
/// </summary>
/// <param name="connectionString">连接字符串</param>
/// <param name="dbName">数据库名</param>
public MongoHelper(string connectionString, string dbName)
{
_client = new MongoClient(connectionString);
_database = _client.GetDatabase(dbName);
}
/// <summary>
/// 数据库
/// </summary>
public IMongoDatabase Db => _database;
/// <summary>
/// 获取集合
/// </summary>
/// <typeparam name="T">集合类型</typeparam>
/// <param name="collectionName">集合名</param>
/// <returns></returns>
public IMongoCollection<T> GetCollection<T>(string collectionName)
{
return _database.GetCollection<T>(collectionName);
}
/// <summary>
/// 获取Queryable对象
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="collectionName">集合名</param>
/// <returns></returns>
public IMongoQueryable<T> GetQueryable<T>(string collectionName)
{
return GetCollection<T>(collectionName).AsQueryable();
}
/// <summary>
/// 模糊查询转换特殊字符:正则表达式有以下特殊字符。需要转义 * . ? + $ ^ [ ] ( ) { } | \ /
/// 如:{"phone":/U9G\/XoDNo8ozbwbxal\+Qzg==/}
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string ChangeSpecialCharacter(string str)
{
if (string.IsNullOrEmpty(str))
return str;
StringBuilder retValue = new StringBuilder();
string str1 = "*.?+$^[](){}|\\/";
for (int i = 0; i < str.Length; i++)
{
string ss = str[i].ToString();
if (str1.Contains(ss))
{
ss = "\" + ss;
}
retValue.Append(ss);
}
return retValue.ToString();
}
4 j% Y, G& d9 Y& Z# \& O" y% i, h5 P