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。5 c( ?' ^6 c6 C" Q/ J
using MongoDB.Bson.Serialization.Conventions;
using MongoDB.Driver;
using MongoDB.Driver.Linq;
using System.Text;
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注册常用约定 ( a/ c @; N, n( R
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);
}
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初始化Mongo帮助类
+ `" T1 w, V( @3 X6 r- Q /// <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);
}
- D9 `1 P- N) }5 K6 Q: Z 获取集合 : I8 C4 g) P W' N6 W5 ]/ `" L
/// <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);
}
- `" p* [9 p1 q4 @, C+ e: ` 完整代码
T0 _. d6 d/ U5 ?3 B" Q: \ /// <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();
}
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