Oracle大数据库批量导入，引用Oracle.DataAccess
{
ResultData result = new ResultData();
//这里引用数据库连接字符串
using (Oracle.DataAccess.Client.OracleConnection conn = new Oracle.DataAccess.Client.OracleConnection(OracleHelper.InstanceGSCM.GetDBString("GSCMDB")))
{
Oracle.DataAccess.Client.OracleCommand command = new Oracle.DataAccess.Client.OracleCommand();
conn.Open();
command.Connection = conn;
//到此为止，还都是我们熟悉的代码，下面就要开始喽
//这个参数需要指定每次批插入的记录数
command.ArrayBindCount = dt.Rows.Count;
//这里就是写 要插入数据库的插入语句（如何写都知道）
command.CommandText = " INSERT INTO XX( ID,BILL_ID,RESULT_ITEM_ID,RESULT_SUP_ID,ITEM_UUID, ITEM_NO,ITEM_NAME,SUPPLIER_NO,SUPPLIER_NAME,ASSIGNQUANTITY,ASSIGNSHARE,PRICE_TAX_NONE, CURRENCY,EXCHANGERATE_USD,REMARK,CREATED_BY,CREATED_DATE,LAST_UPDATED_BY,LAST_UPDATED_DATE,ENABLED_FLAG,CARGO_PERIOD,FORECASTQUANTITY)values( :ID,:BILL_ID,:RESULT_ITEM_ID,:RESULT_SUP_ID,:ITEM_UUID,:ITEM_NO,:ITEM_NAME,:SUPPLIER_NO,:SUPPLIER_NAME,:ASSIGNQUANTITY,:ASSIGNSHARE,:PRICE_TAX_NONE, :CURRENCY,:EXCHANGERATE_USD,:REMARK,:CREATED_BY,:CREATED_DATE,:LAST_UPDATED_BY,:LAST_UPDATED_DATE,:ENABLED_FLAG,:CARGO_PERIOD,:FORECASTQUANTITY)";
//下面定义几个数组（与表中字段一致）,必须与数据库命名规范一样
string[] ID = new string[dt.Rows.Count];
string[] BILL_ID = new string[dt.Rows.Count];
string[] RESULT_ITEM_ID = new string[dt.Rows.Count];
string[] RESULT_SUP_ID = new string[dt.Rows.Count];
string[] ITEM_UUID = new string[dt.Rows.Count];
string[] ITEM_NO = new string[dt.Rows.Count];
string[] ITEM_NAME = new string[dt.Rows.Count];
string[] SUPPLIER_NO = new string[dt.Rows.Count];
string[] SUPPLIER_NAME = new string[dt.Rows.Count];
string[] ASSIGNQUANTITY = new string[dt.Rows.Count];
string[] ASSIGNSHARE = new string[dt.Rows.Count];
string[] PRICE_TAX_NONE = new string[dt.Rows.Count];
string[] CURRENCY = new string[dt.Rows.Count];
string[] EXCHANGERATE_USD = new string[dt.Rows.Count];
string[] REMARK = new string[dt.Rows.Count];
string[] CREATED_BY = new string[dt.Rows.Count];
DateTime[] CREATED_DATE = new DateTime[dt.Rows.Count];
string[] LAST_UPDATED_BY = new string[dt.Rows.Count];
DateTime[] LAST_UPDATED_DATE = new DateTime[dt.Rows.Count];
int[] ENABLED_FLAG = new int[dt.Rows.Count];
string[] CARGO_PERIOD = new string[dt.Rows.Count];
string[] FORECASTQUANTITY = new string[dt.Rows.Count];
// 为了传递参数,顺序一一对应好，才会解析成功
OracleParameter deptNoParam = new OracleParameter("ID",OracleDbType.Varchar2);
deptNoParam.Direction = ParameterDirection.Input;
deptNoParam.Value = ID;
command.Parameters.Add(deptNoParam);
OracleParameter deptNameParam1 = new OracleParameter("BILL_ID",OracleDbType.Varchar2);
deptNameParam1.Direction = ParameterDirection.Input;
deptNameParam1.Value = BILL_ID;
command.Parameters.Add(deptNameParam1);
OracleParameter deptNameParam2 = new OracleParameter("RESULT_ITEM_ID", OracleDbType.Varchar2);
deptNameParam2.Direction = ParameterDirection.Input;
deptNameParam2.Value = RESULT_ITEM_ID;
command.Parameters.Add(deptNameParam2);
OracleParameter deptNameParam3 = new OracleParameter("RESULT_SUP_ID", OracleDbType.Varchar2);
deptNameParam3.Direction = ParameterDirection.Input;
deptNameParam3.Value = RESULT_SUP_ID;
command.Parameters.Add(deptNameParam3);
OracleParameter deptNameParam4 = new OracleParameter("ITEM_UUID", OracleDbType.Varchar2);
deptNameParam4.Direction = ParameterDirection.Input;
deptNameParam4.Value = ITEM_UUID;
command.Parameters.Add(deptNameParam4);
OracleParameter deptNameParam5 = new OracleParameter("ITEM_NO", OracleDbType.Varchar2);
deptNameParam5.Direction = ParameterDirection.Input;
deptNameParam5.Value = ITEM_NO;
command.Parameters.Add(deptNameParam5);
OracleParameter deptNameParam6 = new OracleParameter("ITEM_NAME", OracleDbType.Varchar2);
deptNameParam6.Direction = ParameterDirection.Input;
deptNameParam6.Value=ITEM_NAME;
command.Parameters.Add(deptNameParam6);
OracleParameter deptNameParam7 = new OracleParameter("SUPPLIER_NO", OracleDbType.Varchar2);
deptNameParam7.Direction = ParameterDirection.Input;
deptNameParam7.Value = SUPPLIER_NO;
command.Parameters.Add(deptNameParam7);
OracleParameter deptNameParam8 = new OracleParameter("SUPPLIER_NAME", OracleDbType.Varchar2);
deptNameParam8.Direction = ParameterDirection.Input;
deptNameParam8.Value = SUPPLIER_NAME;
command.Parameters.Add(deptNameParam8);
OracleParameter deptNameParam9 = new OracleParameter("ASSIGNQUANTITY", OracleDbType.Varchar2);
deptNameParam9.Direction = ParameterDirection.Input;
deptNameParam9.Value = ASSIGNQUANTITY;
command.Parameters.Add(deptNameParam9);
OracleParameter deptNameParam10 = new OracleParameter("ASSIGNSHARE", OracleDbType.Varchar2);
deptNameParam10.Direction = ParameterDirection.Input;
deptNameParam10.Value = ASSIGNSHARE;
command.Parameters.Add(deptNameParam10);
OracleParameter deptNameParam11 = new OracleParameter("PRICE_TAX_NONE", OracleDbType.Varchar2);
deptNameParam11.Direction = ParameterDirection.Input;
deptNameParam11.Value = PRICE_TAX_NONE;
command.Parameters.Add(deptNameParam11);
OracleParameter deptNameParam12 = new OracleParameter("CURRENCY", OracleDbType.Varchar2);
deptNameParam12.Direction = ParameterDirection.Input;
deptNameParam12.Value = CURRENCY;
command.Parameters.Add(deptNameParam12);
OracleParameter deptNameParam13 = new OracleParameter("EXCHANGERATE_USD", OracleDbType.Varchar2);
deptNameParam13.Direction = ParameterDirection.Input;
deptNameParam13.Value = EXCHANGERATE_USD;
command.Parameters.Add(deptNameParam13);
OracleParameter deptNameParam14 = new OracleParameter("REMARK", OracleDbType.Varchar2);
deptNameParam14.Direction = ParameterDirection.Input;
deptNameParam14.Value = REMARK;
command.Parameters.Add(deptNameParam14);
OracleParameter deptNameParam15 = new OracleParameter("CREATED_BY", OracleDbType.Varchar2);
deptNameParam15.Direction = ParameterDirection.Input;
deptNameParam15.Value = CREATED_BY;
command.Parameters.Add(deptNameParam15);
OracleParameter deptNameParam16 = new OracleParameter("CREATED_DATE", OracleDbType.Date);
deptNameParam16.Direction = ParameterDirection.Input;
deptNameParam16.Value = CREATED_DATE;
command.Parameters.Add(deptNameParam16);
OracleParameter deptNameParam17 = new OracleParameter("LAST_UPDATED_BY", OracleDbType.Varchar2);
deptNameParam17.Direction = ParameterDirection.Input;
deptNameParam17.Value = LAST_UPDATED_BY;
command.Parameters.Add(deptNameParam17);
OracleParameter deptNameParam18 = new OracleParameter("LAST_UPDATED_DATE", OracleDbType.Date);
deptNameParam18.Direction = ParameterDirection.Input;
deptNameParam18.Value = LAST_UPDATED_DATE;
command.Parameters.Add(deptNameParam18);
OracleParameter deptNameParam19 = new OracleParameter("ENABLED_FLAG", OracleDbType.Int32);
deptNameParam19.Direction = ParameterDirection.Input;
deptNameParam19.Value = ENABLED_FLAG;
command.Parameters.Add(deptNameParam19);
OracleParameter deptNameParam20 = new OracleParameter("CARGO_PERIOD", OracleDbType.Varchar2);
deptNameParam20.Direction = ParameterDirection.Input;
deptNameParam20.Value = CARGO_PERIOD;
command.Parameters.Add(deptNameParam20);
OracleParameter deptNameParam21 = new OracleParameter("FORECASTQUANTITY", OracleDbType.Varchar2);
deptNameParam21.Direction = ParameterDirection.Input;
deptNameParam21.Value = FORECASTQUANTITY;
command.Parameters.Add(deptNameParam21);
Stopwatch sw = new Stopwatch();
sw.Start();
DateTime dtTime = DateTime.Now;
//在下面的循环中,将你得到的表格数据 一一分别对应赋值先前定义的数组里面去
for (int i = 0; i < dt.Rows.Count; i++)
{
ID[i] = Guid.NewGuid().ToString();
BILL_ID[i] = Bill_id;
RESULT_ITEM_ID[i] = "";
RESULT_SUP_ID[i] = "";
ITEM_UUID[i] = "";
ITEM_NO[i] = dt.Rows[i]["ITEM_NO"].ToString();
ITEM_NAME[i] = dt.Rows[i]["ITEM_NAME"].ToString();
SUPPLIER_NO[i] = dt.Rows[i]["SUPPLIER_NO"].ToString();
SUPPLIER_NAME[i] = dt.Rows[i]["SUPPLIER_NAME"].ToString();
ASSIGNQUANTITY[i] = dt.Rows[i]["ASSIGNQUANTITY"].ToString();
ASSIGNSHARE[i] = dt.Rows[i]["ASSIGNSHARE"].ToString();
PRICE_TAX_NONE[i] = dt.Rows[i]["PRICE_TAX_NONE"].ToString();
CURRENCY[i] = dt.Rows[i]["CURRENCY"].ToString();
EXCHANGERATE_USD[i] = dt.Rows[i]["EXCHANGERATE_USD"].ToString();
REMARK[i] = dt.Rows[i]["REMARK"].ToString();
CREATED_BY[i] = ps_user;
CREATED_DATE[i] = dtTime;
LAST_UPDATED_BY[i] = ps_user;
LAST_UPDATED_DATE[i] = dtTime;
ENABLED_FLAG[i] = 1;
CARGO_PERIOD[i] = dt.Rows[i]["CARGO_PERIOD"].ToString();
FORECASTQUANTITY[i] = dt.Rows[i]["FORECASTQUANTITY"].ToString();
}
//这个调用将把参数数组传进SQL,同时写入数据库
command.ExecuteNonQuery();
sw.Stop();
}
}