如何使用C#上传Oracle表中任何类型和大小的文件?
我想上传oracle表列中的任何类型的文件,并且文件大小达到oracle的blob datatype列。如何使用C#上传Oracle表中任何类型和大小的文件?,c#,asp.net,oracle,file-upload,C#,Asp.net,Oracle,File Upload,我想上传oracle表列中的任何类型的文件,并且文件大小达到oracle的blob datatype列。 有对文件夹的权限。//这里首先需要在应用程序服务器上上载文件,然后转换为文件流 string auditReportUploadDocLocation = ConfigurationManager.AppSettings["AuditReportUploadDocLocation"].ToString(); string filelocation = Path.Combine
有对文件夹的权限。//这里首先需要在应用程序服务器上上载文件,然后转换为文件流
string auditReportUploadDocLocation = ConfigurationManager.AppSettings["AuditReportUploadDocLocation"].ToString();
string filelocation = Path.Combine(Server.MapPath(auditReportUploadDocLocation), fuUploadDoc.FileName);
fuUploadDoc.PostedFile.SaveAs(filelocation);
fileName = Path.GetFileName(fuUploadDoc.PostedFile.FileName);
using (FileStream fs = new FileStream(filelocation, FileMode.Open, FileAccess.Read))
{
objAudAuditReportMaster = objAudAuditReportBAL.UploadAuditReportDoc(fileName, fs, Session["AudLoginID"].ToString(), audProcessName);
}
//从应用程序服务器中删除该文件
if (File.Exists(filelocation))
File.Delete(filelocation);
//然后调用这个函数
public AudAuditReportMaster UploadAuditReportDoc(string fileName, FileStream fs, string modifyBy, string processName)
{
AudAuditReportMaster objAudAuditReportMaster = new AudAuditReportMaster();
BinaryReader brFileStream = new BinaryReader(fs);
OpenConnection();
int streamLength = (int)fs.Length;
OracleTransaction transaction = objConn.BeginTransaction();
objCmd.Transaction = transaction;
objCmd.CommandText = "declare xx blob; begin dbms_lob.createtemporary(xx, false, 0); :tempblob := xx; end;";
objCmd.Parameters.Add(new OracleParameter("tempblob", OracleType.Blob)).Direction = ParameterDirection.Output;
objCmd.ExecuteNonQuery();
OracleLob tempLob = (OracleLob)objCmd.Parameters[0].Value;
byte[] tempbuff = new byte[streamLength];
tempLob.BeginBatch(OracleLobOpenMode.ReadWrite);
tempLob.Write(brFileStream.ReadBytes(streamLength), 0, streamLength);
tempLob.EndBatch();
objCmd.Parameters.Clear();
objCmd.CommandType = CommandType.StoredProcedure;
objCmd.CommandText = AudDB_Constants.Aud_Audit_Pkg.SP_Aud_Upload_Doc;
objCmd.Parameters.Clear();
OracleParameter param1 = objCmd.Parameters.Add("p_doc_name", OracleType.VarChar);
param1.Value = fileName;
objCmd.Parameters.Add(new OracleParameter("p_process_name", OracleType.VarChar)).Value = processName;
objCmd.Parameters.Add(new OracleParameter("p_process_key_name", OracleType.VarChar)).Value = DBNull.Value;
objCmd.Parameters.Add(new OracleParameter("p_process_key_id", OracleType.Int32)).Value = DBNull.Value;
OracleParameter param2 = objCmd.Parameters.Add("p_document", OracleType.Blob);
param2.Value = tempLob;
OracleParameter param3 = objCmd.Parameters.Add("p_last_updated_by", OracleType.VarChar);
param3.Value = modifyBy;
objCmd.Parameters.Add(new OracleParameter("p_attribute1", OracleType.VarChar)).Value = DBNull.Value;
objCmd.Parameters.Add(new OracleParameter("p_attribute2", OracleType.VarChar)).Value = DBNull.Value;
objCmd.Parameters.Add(new OracleParameter("p_attribute3", OracleType.VarChar)).Value = DBNull.Value;
objCmd.Parameters.Add(new OracleParameter("p_attribute4", OracleType.VarChar)).Value = DBNull.Value;
objCmd.Parameters.Add(new OracleParameter("p_attribute5", OracleType.VarChar)).Value = DBNull.Value;
OracleParameter param4 = objCmd.Parameters.Add("p_doc_id", OracleType.Int32);
param4.Direction = ParameterDirection.Output;
OracleParameter param5 = objCmd.Parameters.Add("p_status", OracleType.VarChar, 100);
param5.Direction = ParameterDirection.Output;
OracleParameter param6 = objCmd.Parameters.Add("p_status_dtl", OracleType.VarChar, 1000);
param6.Direction = ParameterDirection.Output;
objAudAuditReportMaster.Status = Convert.ToString(objCmd.ExecuteNonQuery());
objAudAuditReportMaster.DocID = Convert.ToInt32(param4.Value.ToString());
objAudAuditReportMaster.Status = param5.Value.ToString();
objAudAuditReportMaster.StatusDetail = param6.Value.ToString();
transaction.Commit();
CloseConnection();
DisposeConnection();
return objAudAuditReportMaster;
}
//在数据库端调用此过程
procedure aud_upload_doc(p_doc_name in varchar2,
p_process_name in varchar2,
p_process_key_name in varchar2,
p_process_key_id in number,
p_document in blob,
p_last_updated_by in varchar2,
p_doc_id out number,
begin
p_doc_id := AUD_UNIQUE_VAL_SEQ.nextval;
insert into AUD_AUDIT_UPLOAD_DOC(doc_id, doc_name, process_name, process_key_name, process_key_id, doc, created_by, creation_date, last_updated_by, last_update_date )
values (p_doc_id, p_doc_name, p_process_name, p_process_key_name, p_process_key_id, p_document, p_last_updated_by, sysdate, p_last_updated_by, sysdate );
end;
这不是一个好的提问方式。到目前为止,你有没有尝试过解决你的问题?先表现出你的努力,这样人们才能表现出他们的努力。请阅读,并授予“上传任何类型的文件…”的权限。请尝试更新您的问题,并详细解释阻碍您实现目标的因素。