C# 大批量向数据库添加数据
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | private static void SqlFastInsert(DbConnection dbConnection, DbTransaction trans, DataTable dt) { using (SqlBulkCopy sqlbulkcopy = new SqlBulkCopy(dbConnection as SqlConnection, SqlBulkCopyOptions.Default, trans as SqlTransaction)) { sqlbulkcopy.DestinationTableName = dt.TableName; for ( int i = 0; i < dt.Columns.Count; i++) { sqlbulkcopy.ColumnMappings.Add(dt.Columns[i].ColumnName, dt.Columns[i].ColumnName); } sqlbulkcopy.BatchSize = 10000; sqlbulkcopy.WriteToServer(dt); } } private static void MySqlFastInsert(DbConnection dbConnection, DbTransaction trans, DataTable dt) { MySqlConnector.MySqlBulkCopy mySqlbulkcopy = new MySqlConnector.MySqlBulkCopy(dbConnection as MySqlConnector.MySqlConnection, trans as MySqlConnector.MySqlTransaction); { mySqlbulkcopy.DestinationTableName = dt.TableName; for ( int i = 0; i < dt.Columns.Count; i++) { mySqlbulkcopy.ColumnMappings.Add( new MySqlConnector.MySqlBulkCopyColumnMapping(i, dt.Columns[i].ColumnName)); } mySqlbulkcopy.WriteToServer(dt); } } /// <summary> /// Oracle快速写入 /// </summary> /// <param name="dbConnection"></param> /// <param name="trans"></param> /// <param name="dt"></param> private static void OracelFastInsert(DbConnection dbConnection, DbTransaction trans, DataTable dt) { Oracle.ManagedDataAccess.Client.OracleBulkCopy oraclebulkcopy = new Oracle.ManagedDataAccess.Client.OracleBulkCopy(dbConnection as Oracle.ManagedDataAccess.Client.OracleConnection, Oracle.ManagedDataAccess.Client.OracleBulkCopyOptions.Default); { oraclebulkcopy.DestinationTableName = dt.TableName; for ( int i = 0; i < dt.Columns.Count; i++) { oraclebulkcopy.ColumnMappings.Add(dt.Columns[i].ColumnName, dt.Columns[i].ColumnName); } oraclebulkcopy.BatchSize = 10000; oraclebulkcopy.WriteToServer(dt); } } |
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