query 导出 excel 谢谢!
有什么好的方法吗???
马上揭贴
有什么好的方法吗???
马上揭贴
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******* 导出到excel
EXEC master..xp_cmdshell 'bcp SettleDB.dbo.shanghu out c:\temp1.xls -c -q -S"GNETDATA/GNETDATA" -U"sa" -P""'/*********** 导入Excel
SELECT *
FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
'Data Source="c:\test.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...xactions
SELECT cast(cast(科目编号 as numeric(10,2)) as nvarchar(255))+' ' 转换后的别名
FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
'Data Source="c:\test.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...xactions/** 导入文本文件
EXEC master..xp_cmdshell 'bcp "dbname..tablename" in c:\DT.txt -c -Sservername -Usa -Ppassword'/** 导出文本文件
EXEC master..xp_cmdshell 'bcp "dbname..tablename" out c:\DT.txt -c -Sservername -Usa -Ppassword'
或
EXEC master..xp_cmdshell 'bcp "Select * from dbname..tablename" queryout c:\DT.txt -c -Sservername -Usa -Ppassword'导出到TXT文本,用逗号分开
exec master..xp_cmdshell 'bcp "库名..表名" out "d:\tt.txt" -c -t ,-U sa -P password'
BULK INSERT 库名..表名
FROM 'c:\test.txt'
WITH (
FIELDTERMINATOR = ';',
ROWTERMINATOR = '\n'
)
--/* dBase IV文件
select * from
OPENROWSET('MICROSOFT.JET.OLEDB.4.0'
,'dBase IV;HDR=NO;IMEX=2;DATABASE=C:\','select * from [客户资料4.dbf]')
--*/--/* dBase III文件
select * from
OPENROWSET('MICROSOFT.JET.OLEDB.4.0'
,'dBase III;HDR=NO;IMEX=2;DATABASE=C:\','select * from [客户资料3.dbf]')
--*/--/* FoxPro 数据库
select * from openrowset('MSDASQL',
'Driver=Microsoft Visual FoxPro Driver;SourceType=DBF;SourceDB=c:\',
'select * from [aa.DBF]')
--*//**************导入DBF文件****************/
select * from openrowset('MSDASQL',
'Driver=Microsoft Visual FoxPro Driver;
SourceDB=e:\VFP98\data;
SourceType=DBF',
'select * from customer where country != "USA" order by country')
go
/***************** 导出到DBF ***************/
如果要导出数据到已经生成结构(即现存的)FOXPRO表中,可以直接用下面的SQL语句insert into openrowset('MSDASQL',
'Driver=Microsoft Visual FoxPro Driver;SourceType=DBF;SourceDB=c:\',
'select * from [aa.DBF]')
select * from 表说明:
SourceDB=c:\ 指定foxpro表所在的文件夹
aa.DBF 指定foxpro表的文件名.
/*************导出到Access********************/
insert into openrowset('Microsoft.Jet.OLEDB.4.0',
'x:\A.mdb';'admin';'',A表) select * from 数据库名..B表/*************导入Access********************/
insert into B表 selet * from openrowset('Microsoft.Jet.OLEDB.4.0',
'x:\A.mdb';'admin';'',A表)
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回复人: txlicenhe(马可) ( ) 信誉:167 2003-10-10 18:52:32Z 得分:0
********************* 导入 xml 文件DECLARE @idoc int
DECLARE @doc varchar(1000)
--sample XML document
SET @doc ='
<root>
<Customer cid= "C1" name="Janine" city="Issaquah">
<Order oid="O1" date="1/20/1996" amount="3.5" />
<Order oid="O2" date="4/30/1997" amount="13.4">Customer was very satisfied
</Order>
</Customer>
<Customer cid="C2" name="Ursula" city="Oelde" >
<Order oid="O3" date="7/14/1999" amount="100" note="Wrap it blue
white red">
<Urgency>Important</Urgency>
Happy Customer.
</Order>
<Order oid="O4" date="1/20/1996" amount="10000"/>
</Customer>
</root>
'
-- Create an internal representation of the XML document.
EXEC sp_xml_preparedocument @idoc OUTPUT, @doc-- Execute a SELECT statement using OPENXML rowset provider.
SELECT *
FROM OPENXML (@idoc, '/root/Customer/Order', 1)
WITH (oid char(5),
amount float,
comment ntext 'text()')
EXEC sp_xml_removedocument @idoc
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回复人: txlicenhe(马可) ( ) 信誉:167 2003-10-10 18:54:30Z 得分:0
邹健的
/********************导整个数据库*********************************************/用bcp实现的存储过程
/*
实现数据导入/导出的存储过程
根据不同的参数,可以实现导入/导出整个数据库/单个表
调用示例:
--导出调用示例
----导出单个表
exec file2table 'zj','','','xzkh_sa..地区资料','c:\zj.txt',1
----导出整个数据库
exec file2table 'zj','','','xzkh_sa','C:\docman',1--导入调用示例
----导入单个表
exec file2table 'zj','','','xzkh_sa..地区资料','c:\zj.txt',0
----导入整个数据库
exec file2table 'zj','','','xzkh_sa','C:\docman',0*/
if exists(select 1 from sysobjects where name='File2Table' and objectproperty(id,'IsProcedure')=1)
drop procedure File2Table
go
create procedure File2Table
@servername varchar(200)--服务器名
,@username varchar(200)--用户名,如果用NT验证方式,则为空''
,@password varchar(200)--密码
,@tbname varchar(500)--数据库.dbo.表名,如果不指定:.dbo.表名,则导出数据库的所有用户表
,@filename varchar(1000)--导入/导出路径/文件名,如果@tbname参数指明是导出整个数据库,则这个参数是文件存放路径,文件名自动用表名.txt
,@isout bit--1为导出,0为导入
as
declare @sql varchar(8000)if @tbname like '%.%.%' --如果指定了表名,则直接导出单个表
begin
set @sql='bcp '+@tbname
+case when @isout=1 then ' out ' else ' in ' end
+' "'+@filename+'" /w'
+' /S '+@servername
+case when isnull(@username,'')='' then '' else ' /U '+@username end
+' /P '+isnull(@password,'')
exec master..xp_cmdshell @sql
end
else
begin--导出整个数据库,定义游标,取出所有的用户表
declare @m_tbname varchar(250)
if right(@filename,1)<>'\' set @filename=@filename+'\'set @m_tbname='declare #tb cursor for select name from '+@tbname+'..sysobjects where xtype=''U'''
exec(@m_tbname)
open #tb
fetch next from #tb into @m_tbname
while @@fetch_status=0
begin
set @sql='bcp '+@tbname+'..'+@m_tbname
+case when @isout=1 then ' out ' else ' in ' end
+' "'+@filename+@m_tbname+'.txt " /w'
+' /S '+@servername
+case when isnull(@username,'')='' then '' else ' /U '+@username end
+' /P '+isnull(@password,'')
exec master..xp_cmdshell @sql
fetch next from #tb into @m_tbname
end
close #tb
deallocate #tb
end
go
用文件流处理很快的。
你用OLE方法肯定是很慢的。
做一个UNIT 然后使用代码如下:
unit UnitXLSFile;interfaceuses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Grids, Forms, Dialogs,db,dbctrls,comctrls;const
{BOF}
CBOF = $0009;
BIT_BIFF5 = $0800;
BOF_BIFF5 = CBOF or BIT_BIFF5;
{EOF}
BIFF_EOF = $000a;
{Document types}
DOCTYPE_XLS = $0010;
{Dimensions}
DIMENSIONS = $0000;type
TAtributCell = (acHidden,acLocked,acShaded,acBottomBorder,acTopBorder,
acRightBorder,acLeftBorder,acLeft,acCenter,acRight,acFill); TSetOfAtribut = set of TatributCell; TXLSWriter = class(Tobject)
private
fstream:TFileStream;
procedure WriteWord(w:word);
protected
procedure WriteBOF;
procedure WriteEOF;
procedure WriteDimension;
public
maxCols,maxRows:Word;
procedure CellWord(vCol,vRow:word;aValue:word;vAtribut:TSetOfAtribut=[]);
procedure CellDouble(vCol,vRow:word;aValue:double;vAtribut:TSetOfAtribut=[]);
procedure CellStr(vCol,vRow:word;aValue:String;vAtribut:TSetOfAtribut=[]);
procedure WriteField(vCol,vRow:word;Field:TField);
constructor create(vFileName:string);
destructor destroy;override;
end;procedure SetCellAtribut(value:TSetOfAtribut;var FAtribut:array of byte);
procedure DataSetToXLS(ds:TDataSet;fname:String);
procedure StringGridToXLS(grid:TStringGrid;fname:String);implementationprocedure DataSetToXLS(ds:TDataSet;fname:String);
var c,r:Integer;
xls:TXLSWriter;
begin
xls:=TXLSWriter.create(fname);
if ds.FieldCount > xls.maxcols then
xls.maxcols:=ds.fieldcount+1;
try
xls.writeBOF;
xls.WriteDimension;
for c:=0 to ds.FieldCount-1 do
xls.Cellstr(0,c,ds.Fields[c].DisplayLabel);
r:=1;
ds.first;
while (not ds.eof) and (r <= xls.maxrows) do begin
for c:=0 to ds.FieldCount-1 do
if ds.Fields[c].AsString<>'' then
xls.WriteField(r,c,ds.Fields[c]);
inc(r);
ds.next;
end;
xls.writeEOF;
finally
xls.free;
end;
end;procedure StringGridToXLS(grid:TStringGrid;fname:String);
var c,r,rMax:Integer;
xls:TXLSWriter;
begin
xls:=TXLSWriter.create(fname);
rMax:=grid.RowCount;
if grid.ColCount > xls.maxcols then
xls.maxcols:=grid.ColCount+1;
if rMax > xls.maxrows then // ¦¹®æ¦¡³Ì¦h¥u¯à¦s 65535 Rows
rMax:=xls.maxrows;
try
xls.writeBOF;
xls.WriteDimension;
for c:=0 to grid.ColCount-1 do
for r:=0 to rMax-1 do
xls.Cellstr(r,c,grid.Cells[c,r]);
xls.writeEOF;
finally
xls.free;
end;
end;{ TXLSWriter }constructor TXLSWriter.create(vFileName:string);
begin
inherited create;
if FileExists(vFilename) then
fStream:=TFileStream.Create(vFilename,fmOpenWrite)
else
fStream:=TFileStream.Create(vFilename,fmCreate); maxCols:=100; // <2002-11-17> dllee Column À³¸Ó¬O¤£¥i¯à¤j©ó 65535, ©Ò¥H¤£¦A³B²z
maxRows:=65535; // <2002-11-17> dllee ³o­Ó®æ¦¡³Ì¤j¥u¯à³o»ò¤j¡A½Ðª`·N¤jªº¸ê®Æ®w«Ü®e©ö´N¤j©ó³o­Ó­È
end;destructor TXLSWriter.destroy;
begin
if fStream <> nil then
fStream.free;
inherited;
end;procedure TXLSWriter.WriteBOF;
begin
Writeword(BOF_BIFF5);
Writeword(6); // count of bytes
Writeword(0);
Writeword(DOCTYPE_XLS);
Writeword(0);
end;procedure TXLSWriter.WriteDimension;
begin
Writeword(DIMENSIONS); // dimension OP Code
Writeword(8); // count of bytes
Writeword(0); // min cols
Writeword(maxRows); // max rows
Writeword(0); // min rowss
Writeword(maxcols); // max cols
end;procedure TXLSWriter.CellDouble(vCol, vRow: word; aValue: double;
vAtribut: TSetOfAtribut);
var FAtribut:array [0..2] of byte;
begin
Writeword(3); // opcode for double
Writeword(15); // count of byte
Writeword(vCol);
Writeword(vRow);
SetCellAtribut(vAtribut,fAtribut);
fStream.Write(fAtribut,3);
fStream.Write(aValue,8);
end;procedure TXLSWriter.CellWord(vCol,vRow:word;aValue:word;vAtribut:TSetOfAtribut=[]);
var FAtribut:array [0..2] of byte;
begin
Writeword(2); // opcode for word
Writeword(9); // count of byte
Writeword(vCol);
Writeword(vRow);
SetCellAtribut(vAtribut,fAtribut);
fStream.Write(fAtribut,3);
Writeword(aValue);
end;procedure TXLSWriter.CellStr(vCol, vRow: word; aValue: String;
vAtribut: TSetOfAtribut);
var FAtribut:array [0..2] of byte;
slen:byte;
begin
Writeword(4); // opcode for string
slen:=length(avalue);
Writeword(slen+8); // count of byte
Writeword(vCol);
Writeword(vRow);
SetCellAtribut(vAtribut,fAtribut);
fStream.Write(fAtribut,3);
fStream.Write(slen,1);
fStream.Write(aValue[1],slen);
end;procedure SetCellAtribut(value:TSetOfAtribut;var FAtribut:array of byte);
var
i:integer;
begin
//reset
for i:=0 to High(FAtribut) do
FAtribut[i]:=0;
if acHidden in value then //byte 0 bit 7:
FAtribut[0] := FAtribut[0] + 128; if acLocked in value then //byte 0 bit 6:
FAtribut[0] := FAtribut[0] + 64 ; if acShaded in value then //byte 2 bit 7:
FAtribut[2] := FAtribut[2] + 128; if acBottomBorder in value then //byte 2 bit 6
FAtribut[2] := FAtribut[2] + 64 ; if acTopBorder in value then //byte 2 bit 5
FAtribut[2] := FAtribut[2] + 32; if acRightBorder in value then //byte 2 bit 4
FAtribut[2] := FAtribut[2] + 16; if acLeftBorder in value then //byte 2 bit 3
FAtribut[2] := FAtribut[2] + 8; // <2002-11-17> dllee ³Ì«á 3 bit À³¥u¦³ 1 ºØ¿ï¾Ü
if acLeft in value then //byte 2 bit 1
FAtribut[2] := FAtribut[2] + 1
else if acCenter in value then //byte 2 bit 1
FAtribut[2] := FAtribut[2] + 2
else if acRight in value then //byte 2, bit 0 dan bit 1
FAtribut[2] := FAtribut[2] + 3
else if acFill in value then //byte 2, bit 0
FAtribut[2] := FAtribut[2] + 4;
end;procedure TXLSWriter.WriteWord(w: word);
begin
fstream.Write(w,2);
end;procedure TXLSWriter.WriteEOF;
begin
Writeword(BIFF_EOF);
Writeword(0);
end;procedure TXLSWriter.WriteField(vCol, vRow: word; Field: TField);
begin
case field.DataType of
ftString,ftWideString,ftBoolean,ftDate,ftDateTime,ftTime:
Cellstr(vcol,vrow,field.asstring);
ftAutoInc,ftSmallint,ftInteger,ftWord:
CellWord(vcol,vRow,field.AsInteger);
ftFloat, ftBCD:
CellDouble(vcol,vrow,field.AsFloat);
else
Cellstr(vcol,vrow,EmptyStr); // <2002-11-17> dllee ¨ä¥L«¬ºA¼g¤JªÅ¥Õ¦r¦ê
end;
end;
end.
procedure CopyDbDataToExcel(Target: TDbgrid);
var
iCount, jCount: Integer;
XLApp: Variant;
Sheet: Variant;
begin
Screen.Cursor := crHourGlass;
if not VarIsEmpty(XLApp) then
begin
XLApp.DisplayAlerts := False;
XLApp.Quit;
VarClear(XLApp);
end;
//通过ole创建Excel对象
try
XLApp := CreateOleObject('Excel.Application');
except
Screen.Cursor := crDefault;
Exit;
end;
XLApp.WorkBooks.Add[XLWBatWorksheet];
XLApp.WorkBooks[1].WorkSheets[1].Name := '测试工作薄';
Sheet := XLApp.Workbooks[1].WorkSheets['测试工作薄'];
if not Target.DataSource.DataSet.Active then
begin
Screen.Cursor := crDefault;
Exit;
end;
Target.DataSource.DataSet.first; for iCount := 0 to Target.Columns.Count - 1 do
begin
Sheet.cells[1, iCount + 1] := Target.Columns.Items[iCount].Title.Caption;
end;
jCount := 1;
while not Target.DataSource.DataSet.Eof do
begin
for iCount := 0 to Target.Columns.Count - 1 do
begin
Sheet.cells[jCount + 1, iCount + 1] := Target.Columns.Items[iCount].Field.AsString;
end;
Inc(jCount);
Target.DataSource.DataSet.Next;
end;
XlApp.Visible := True;
Screen.Cursor := crDefault;
end; //调用
procedure TForm2.SpeedButton5Click(Sender: TObject);
begin
copyDbDataToExcel(dbgrid1);
end;