/// <summary>
/// 根据主键id删除数据库实体
/// </summary>
/// <typeparam name="DbModel">关联的实体对象信息</typeparam>
/// <param name="tableName">表名称</param>
/// <param name="id">主键值</param>
/// <returns>删除成功返回true；否则返回false</returns>
public static Boolean DeleteDbModel <DbModel>(String tableName, String id) where DbModel : NoSqlBaseModel
{
FilterDefinition <DbModel> filter = Builders <DbModel> .Filter.Eq("_id", id);
IMongoCollection <DbModel> collection = MongoDBHelper.GetMongoCollection <DbModel>(tableName);
return(collection.DeleteOne(filter).DeletedCount > 0);
}
/// <summary>
/// 保存数据库实体
/// </summary>
/// <typeparam name="DbModel">关联的实体对象信息</typeparam>
/// <param name="tableName">表名称</param>
/// <param name="dbModel">要保存的实体</param>
/// <returns>保存成功返回实体对象；否则返回null</returns>
public static DbModel SaveDbModel <DbModel>(String tableName, DbModel dbModel) where DbModel : NoSqlBaseModel
{
// 获取主键信息；组件主键过滤的查询条件
String id = Convert.ToString(dbModel.Id);
FilterDefinition <DbModel> filter = Builders <DbModel> .Filter.Eq("_id", id);
// 获取集合对象
IMongoCollection <DbModel> collection = MongoDBHelper.GetMongoCollection <DbModel>(tableName);
// 判断数据对象是否存在，如果存在则更新，否则插入
DbModel tmpDbModel = collection.FindOneAndReplace(filter, dbModel);
if (tmpDbModel == null)
{
collection.InsertOne(dbModel);
}
tmpDbModel = collection.Find(filter).FirstOrDefault();
// 返回保存后的数据
return(tmpDbModel);
}
