nawawa001 发表于 2017-12-15 19:10:24

Mongodb for .Net Core 封装类库

public static>{#region +Add 添加一条数据  /// <summary>
  /// 添加一条数据
  /// </summary>
  /// <param name="t">添加的实体</param>
  /// <param name="host">mongodb连接信息</param>
  /// <returns></returns>
  public static int Add(MongodbHost host, T t)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  client.InsertOne(t);
  return 1;
  }
  catch
  {
  return 0;
  }
  }
  #endregion
  

  #region +AddAsync 异步添加一条数据
  /// <summary>
  /// 异步添加一条数据
  /// </summary>
  /// <param name="t">添加的实体</param>
  /// <param name="host">mongodb连接信息</param>
  /// <returns></returns>
  public static async Task<int> AddAsync(MongodbHost host, T t)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  await client.InsertOneAsync(t);
  return 1;
  }
  catch
  {
  return 0;
  }
  }
  #endregion
  

  #region +InsertMany 批量插入
  /// <summary>
  /// 批量插入
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="t">实体集合</param>
  /// <returns></returns>
  public static int InsertMany(MongodbHost host, List<T> t)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  client.InsertMany(t);
  return 1;
  }
  catch (Exception ex)
  {
  return 0;
  }
  }
  #endregion
  

  #region +InsertManyAsync 异步批量插入
  /// <summary>
  /// 异步批量插入
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="t">实体集合</param>
  /// <returns></returns>
  public static async Task<int> InsertManyAsync(MongodbHost host, List<T> t)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  await client.InsertManyAsync(t);
  return 1;
  }
  catch
  {
  return 0;
  }
  }
  #endregion
  

  #region +Update 修改一条数据
  /// <summary>
  /// 修改一条数据
  /// </summary>
  /// <param name="t">添加的实体</param>
  /// <param name="host">mongodb连接信息</param>
  /// <returns></returns>

  public static UpdateResult Update(MongodbHost host, T t, string>  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  //修改条件
  FilterDefinition<T> filter = Builders<T>.Filter.Eq("_id", new ObjectId(id));
  //要修改的字段
  var list = new List<UpdateDefinition<T>>();
  foreach (var item in t.GetType().GetProperties())
  {
  if (item.Name.ToLower() == "id") continue;
  list.Add(Builders<T>.Update.Set(item.Name, item.GetValue(t)));
  }
  var updatefilter = Builders<T>.Update.Combine(list);
  return client.UpdateOne(filter, updatefilter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region +UpdateAsync 异步修改一条数据
  /// <summary>
  /// 异步修改一条数据
  /// </summary>
  /// <param name="t">添加的实体</param>
  /// <param name="host">mongodb连接信息</param>
  /// <returns></returns>

  public static async Task<UpdateResult> UpdateAsync(MongodbHost host, T t, string>  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  //修改条件
  FilterDefinition<T> filter = Builders<T>.Filter.Eq("_id", new ObjectId(id));
  //要修改的字段
  var list = new List<UpdateDefinition<T>>();
  foreach (var item in t.GetType().GetProperties())
  {
  if (item.Name.ToLower() == "id") continue;
  list.Add(Builders<T>.Update.Set(item.Name, item.GetValue(t)));
  }
  var updatefilter = Builders<T>.Update.Combine(list);
  return await client.UpdateOneAsync(filter, updatefilter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region +UpdateManay 批量修改数据
  /// <summary>
  /// 批量修改数据
  /// </summary>
  /// <param name="dic">要修改的字段</param>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">修改条件</param>
  /// <returns></returns>
  public static UpdateResult UpdateManay(MongodbHost host, Dictionary<string, string> dic, FilterDefinition<T> filter)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  T t = new T();
  //要修改的字段
  var list = new List<UpdateDefinition<T>>();
  foreach (var item in t.GetType().GetProperties())
  {
  if (!dic.ContainsKey(item.Name)) continue;
  var value = dic;
  list.Add(Builders<T>.Update.Set(item.Name, value));
  }
  var updatefilter = Builders<T>.Update.Combine(list);
  return client.UpdateMany(filter, updatefilter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region +UpdateManayAsync 异步批量修改数据
  /// <summary>
  /// 异步批量修改数据
  /// </summary>
  /// <param name="dic">要修改的字段</param>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">修改条件</param>
  /// <returns></returns>
  public static async Task<UpdateResult> UpdateManayAsync(MongodbHost host, Dictionary<string, string> dic, FilterDefinition<T> filter)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  T t = new T();
  //要修改的字段
  var list = new List<UpdateDefinition<T>>();
  foreach (var item in t.GetType().GetProperties())
  {
  if (!dic.ContainsKey(item.Name)) continue;
  var value = dic;
  list.Add(Builders<T>.Update.Set(item.Name, value));
  }
  var updatefilter = Builders<T>.Update.Combine(list);
  return await client.UpdateManyAsync(filter, updatefilter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region Delete 删除一条数据
  /// <summary>
  /// 删除一条数据
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="id">objectId</param>
  /// <returns></returns>

  public static DeleteResult Delete(MongodbHost host, string>  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  FilterDefinition<T> filter = Builders<T>.Filter.Eq("_id", new ObjectId(id));
  return client.DeleteOne(filter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  

  }
  #endregion
  

  #region DeleteAsync 异步删除一条数据
  /// <summary>
  /// 异步删除一条数据
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="id">objectId</param>
  /// <returns></returns>

  public static async Task<DeleteResult> DeleteAsync(MongodbHost host, string>  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  //修改条件
  FilterDefinition<T> filter = Builders<T>.Filter.Eq("_id", new ObjectId(id));
  return await client.DeleteOneAsync(filter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  

  }
  #endregion
  

  #region DeleteMany 删除多条数据
  /// <summary>
  /// 删除一条数据
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">删除的条件</param>
  /// <returns></returns>
  public static DeleteResult DeleteMany(MongodbHost host, FilterDefinition<T> filter)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  return client.DeleteMany(filter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  

  }
  #endregion
  

  #region DeleteManyAsync 异步删除多条数据
  /// <summary>
  /// 异步删除多条数据
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">删除的条件</param>
  /// <returns></returns>
  public static async Task<DeleteResult> DeleteManyAsync(MongodbHost host, FilterDefinition<T> filter)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  return await client.DeleteManyAsync(filter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  

  }
  #endregion
  

  #region Count 根据条件获取总数
  /// <summary>
  /// 根据条件获取总数
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">条件</param>
  /// <returns></returns>
  public static long Count(MongodbHost host, FilterDefinition<T> filter)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  return client.Count(filter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region CountAsync 异步根据条件获取总数
  /// <summary>
  /// 异步根据条件获取总数
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">条件</param>
  /// <returns></returns>
  public static async Task<long> CountAsync(MongodbHost host, FilterDefinition<T> filter)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  return await client.CountAsync(filter);
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region FindOne 根据id查询一条数据
  /// <summary>
  /// 根据id查询一条数据
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="id">objectid</param>
  /// <param name="field">要查询的字段,不写时查询全部</param>
  /// <returns></returns>

  public static T FindOne(MongodbHost host, string>  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  FilterDefinition<T> filter = Builders<T>.Filter.Eq("_id", new ObjectId(id));
  //不指定查询字段
  if (field == null || field.Length == 0)
  {
  return client.Find(filter).FirstOrDefault<T>();
  }
  

  //制定查询字段
  var fieldList = new List<ProjectionDefinition<T>>();
  for (int i = 0; i < field.Length; i++)
  {
  fieldList.Add(Builders<T>.Projection.Include(field.ToString()));
  }
  var projection = Builders<T>.Projection.Combine(fieldList);
  fieldList?.Clear();
  return client.Find(filter).Project<T>(projection).FirstOrDefault<T>();
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region FindOneAsync 异步根据id查询一条数据
  /// <summary>
  /// 异步根据id查询一条数据
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="id">objectid</param>
  /// <returns></returns>

  public static async Task<T> FindOneAsync(MongodbHost host, string>  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  FilterDefinition<T> filter = Builders<T>.Filter.Eq("_id", new ObjectId(id));
  //不指定查询字段
  if (field == null || field.Length == 0)
  {
  return await client.Find(filter).FirstOrDefaultAsync();
  }
  

  //制定查询字段
  var fieldList = new List<ProjectionDefinition<T>>();
  for (int i = 0; i < field.Length; i++)
  {
  fieldList.Add(Builders<T>.Projection.Include(field.ToString()));
  }
  var projection = Builders<T>.Projection.Combine(fieldList);
  fieldList?.Clear();
  return await client.Find(filter).Project<T>(projection).FirstOrDefaultAsync();
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region FindList 查询集合
  /// <summary>
  /// 查询集合
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">查询条件</param>
  /// <param name="field">要查询的字段,不写时查询全部</param>
  /// <param name="sort">要排序的字段</param>
  /// <returns></returns>
  public static List<T> FindList(MongodbHost host, FilterDefinition<T> filter, string[] field = null, SortDefinition<T> sort = null)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  //不指定查询字段
  if (field == null || field.Length == 0)
  {
  if (sort == null) return client.Find(filter).ToList();
  //进行排序
  return client.Find(filter).Sort(sort).ToList();
  }
  

  //制定查询字段
  var fieldList = new List<ProjectionDefinition<T>>();
  for (int i = 0; i < field.Length; i++)
  {
  fieldList.Add(Builders<T>.Projection.Include(field.ToString()));
  }
  var projection = Builders<T>.Projection.Combine(fieldList);
  fieldList?.Clear();
  if (sort == null) return client.Find(filter).Project<T>(projection).ToList();
  //排序查询
  return client.Find(filter).Sort(sort).Project<T>(projection).ToList();
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region FindListAsync 异步查询集合
  /// <summary>
  /// 异步查询集合
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">查询条件</param>
  /// <param name="field">要查询的字段,不写时查询全部</param>
  /// <param name="sort">要排序的字段</param>
  /// <returns></returns>
  public static async Task<List<T>> FindListAsync(MongodbHost host, FilterDefinition<T> filter, string[] field = null, SortDefinition<T> sort = null)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  //不指定查询字段
  if (field == null || field.Length == 0)
  {
  if (sort == null) return await client.Find(filter).ToListAsync();
  return await client.Find(filter).Sort(sort).ToListAsync();
  }
  

  //制定查询字段
  var fieldList = new List<ProjectionDefinition<T>>();
  for (int i = 0; i < field.Length; i++)
  {
  fieldList.Add(Builders<T>.Projection.Include(field.ToString()));
  }
  var projection = Builders<T>.Projection.Combine(fieldList);
  fieldList?.Clear();
  if (sort == null) return await client.Find(filter).Project<T>(projection).ToListAsync();
  //排序查询
  return await client.Find(filter).Sort(sort).Project<T>(projection).ToListAsync();
  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region FindListByPage 分页查询集合
  /// <summary>
  /// 分页查询集合
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">查询条件</param>
  /// <param name="pageIndex">当前页</param>
  /// <param name="pageSize">页容量</param>
  /// <param name="count">总条数</param>
  /// <param name="field">要查询的字段,不写时查询全部</param>
  /// <param name="sort">要排序的字段</param>
  /// <returns></returns>
  public static List<T> FindListByPage(MongodbHost host, FilterDefinition<T> filter, int pageIndex, int pageSize, out long count, string[] field = null, SortDefinition<T> sort = null)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  count = client.Count(filter);
  //不指定查询字段
  if (field == null || field.Length == 0)
  {
  if (sort == null) return client.Find(filter).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToList();
  //进行排序
  return client.Find(filter).Sort(sort).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToList();
  }
  

  //制定查询字段
  var fieldList = new List<ProjectionDefinition<T>>();
  for (int i = 0; i < field.Length; i++)
  {
  fieldList.Add(Builders<T>.Projection.Include(field.ToString()));
  }
  var projection = Builders<T>.Projection.Combine(fieldList);
  fieldList?.Clear();
  

  //不排序
  if (sort == null) return client.Find(filter).Project<T>(projection).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToList();
  

  //排序查询
  return client.Find(filter).Sort(sort).Project<T>(projection).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToList();
  

  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  #region FindListByPageAsync 异步分页查询集合
  /// <summary>
  /// 异步分页查询集合
  /// </summary>
  /// <param name="host">mongodb连接信息</param>
  /// <param name="filter">查询条件</param>
  /// <param name="pageIndex">当前页</param>
  /// <param name="pageSize">页容量</param>
  /// <param name="field">要查询的字段,不写时查询全部</param>
  /// <param name="sort">要排序的字段</param>
  /// <returns></returns>
  public static async Task<List<T>> FindListByPageAsync(MongodbHost host, FilterDefinition<T> filter, int pageIndex, int pageSize, string[] field = null, SortDefinition<T> sort = null)
  {
  try
  {
  var client = MongodbClient<T>.MongodbInfoClient(host);
  //不指定查询字段
  if (field == null || field.Length == 0)
  {
  if (sort == null) return await client.Find(filter).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToListAsync();
  //进行排序
  return await client.Find(filter).Sort(sort).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToListAsync();
  }
  

  //制定查询字段
  var fieldList = new List<ProjectionDefinition<T>>();
  for (int i = 0; i < field.Length; i++)
  {
  fieldList.Add(Builders<T>.Projection.Include(field.ToString()));
  }
  var projection = Builders<T>.Projection.Combine(fieldList);
  fieldList?.Clear();
  

  //不排序
  if (sort == null) return await client.Find(filter).Project<T>(projection).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToListAsync();
  

  //排序查询
  return await client.Find(filter).Sort(sort).Project<T>(projection).Skip((pageIndex - 1) * pageSize).Limit(pageSize).ToListAsync();
  

  }
  catch (Exception ex)
  {
  throw ex;
  }
  }
  #endregion
  

  }
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