public IEnumerable<TEntity> GetModel<U>(U template){return _table.Find(GeneratorMongoQuery(template)).ToListAsync().Result;}public PagedResult<TEntity> GetModel<U>(int pageIndex, int pageSize){return this.GetModel(new { }, pageIndex, pageSize);}public PagedResult<TEntity> GetModel<U>(U template, int pageIndex, int pageSize){return this.GetModel(template, new { }, pageIndex, pageSize);}public PagedResult<TEntity> GetModel<U, O>(U template, O orderby, int pageIndex, int pageSize){#region 条件过滤BsonDocumentFilterDefinition<TEntity> filterDefinition = GeneratorMongoQuery(template);#endregion#region 排序处理SortDefinition<TEntity> sorts = new ObjectSortDefinition<TEntity>(new { });foreach (var item in typeof(O).GetProperties()){if ((OrderType)item.GetValue(orderby) == OrderType.Asc)sorts = sorts.Ascending(item.Name);elsesorts = sorts.Descending(item.Name);}#endregion#region 分页处理var skip = (pageIndex - 1) * pageSize;var recordCount = _table.Find(filterDefinition).CountAsync(new CancellationToken()).Result;var limit = pageSize;return new PagedResult<TEntity>(recordCount,(int)(recordCount + pageSize - 1) / pageSize,pageSize,pageIndex,_table.Find(filterDefinition).Sort(sorts).Skip(skip).Limit(limit).ToListAsync().Result);#endregion}

   /// <summary>/// 构建Mongo的查询表达式，通过一个匿名对象/// </summary>/// <typeparam name="U"></typeparam>/// <param name="template"></param>/// <returns></returns>private BsonDocumentFilterDefinition<TEntity> GeneratorMongoQuery<U>(U template){var qType = typeof(U);var outter = new BsonDocument();var simpleQuery = new BsonDocument();foreach (var item in qType.GetProperties()){if (item.PropertyType.IsClass && item.PropertyType != typeof(string)){//复杂类型，导航属性，类对象和集合对象 foreach (var sub in item.PropertyType.GetProperties()){simpleQuery.Add(new BsonElement(item.Name + "." + sub.Name,BsonValue.Create(sub.GetValue(item.GetValue(template)))));}}else{//简单类型,ValueType和stringsimpleQuery.Add(new BsonElement(item.Name,BsonValue.Create(item.GetValue(template))));}}return new BsonDocumentFilterDefinition<TEntity>(simpleQuery);}