/// <summary> /// 将一个 <see cref="IList"/> 批量插入到数据库中。 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="database">提供给当前插件的 <see cref="IDatabase"/> 对象。</param> /// <param name="list">要写入的数据列表。</param> /// <param name="tableName">要写入的数据表的名称。</param> /// <param name="batchSize">每批次写入的数据量。</param> /// <param name="completePercentage">已完成百分比的通知方法。</param> public async Task InsertAsync <T>(IDatabase database, IEnumerable <T> list, string tableName, int batchSize = 1000, Action <int> completePercentage = null, CancellationToken cancellationToken = default) { try { await database.Connection.TryOpenAsync(cancellationToken : cancellationToken); //给表名加上前后导符 using var bulk = new SqlBulkCopy((SqlConnection)database.Connection, SqlBulkCopyOptions.KeepIdentity, (SqlTransaction)database.Transaction) { DestinationTableName = tableName, BatchSize = batchSize }; using var reader = new EnumerableBatchReader <T>(bulk, list); await bulk.WriteToServerAsync(reader, cancellationToken); } catch (Exception exp) { throw new BatcherException(list.ToList(), exp); } }
/// <summary> /// 将一个 <see cref="IList"/> 批量插入到数据库中。 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="database">提供给当前插件的 <see cref="IDatabase"/> 对象。</param> /// <param name="list">要写入的数据列表。</param> /// <param name="tableName">要写入的数据表的名称。</param> /// <param name="batchSize">每批次写入的数据量。</param> /// <param name="completePercentage">已完成百分比的通知方法。</param> public void Insert <T>(IDatabase database, IEnumerable <T> list, string tableName, int batchSize = 1000, Action <int> completePercentage = null) { try { database.Connection.TryOpen(); //给表名加上前后导符 using (var bulk = new SqlBulkCopy((SqlConnection)database.Connection, SqlBulkCopyOptions.KeepIdentity, (SqlTransaction)database.Transaction) { DestinationTableName = tableName, BatchSize = batchSize }) using (var reader = new EnumerableBatchReader <T>(bulk, list)) { bulk.WriteToServer(reader); } } catch (Exception exp) { throw new BatcherException(list.ToList(), exp); } }