Delphi²Ù×÷XML
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1.ÓÃTClientDataSet²Ù×÷XML£»TClientDataSetÊǸöºÃ¶«Î÷£¬ÓÃËü²Ù×÷XMLÊǺܼòµ¥µÄÊ£¬²»¹ýȱµãÊÇÖ»ÄܲÙ×÷¹Ì¶¨¸ñʽµÄ XML£¬ËüÊʺϲÙ×÷±í½á¹¹µÄÊý¾Ý£¬Èç¹ûÄãÐèÒª°ÑÊý¾Ý±íµ¼³ö³ÉXMLÄÇÓÃTClientDataSetÊǸöºÃÖ÷Ò⣬±ÈÈçÏÂÃæÊÇÒ»¸öÊý¾Ý¼¯µ¼³ö³ÉXMLµÄ·½ ·¨£º
procedure ExportToXML(SrcDataSet:TDataSet;const XMLFileName:String);
var tmpCds:TClientDataSet;
i:integer;
NewField:TFieldDef;
begin
SrcDataSet.DisableControls;
tmpCds:=TClientDataSet.Create(nil);
try
for i:=0 to SrcDataSet.FieldCount-1 do
begin
NewField:=tmpCds.FieldDefs.AddFieldDef;
NewField.Name:=SrcDataSet.Fields[i].FieldName;
NewField.DataType:=SrcDataSet.fields[i].DataType;
NewField.Size:=SrcDataSet.Fields[i].Size;
end;
tmpCds.CreateDataSet;
if tmpCds.Active then tmpCds.LogChanges:=False;
SrcDataSet.First;
while not SrcDataSet.Eof do
begin
tmpCds.Append;
for i:=0 to SrcDataSet.FieldCount-1 do
tmpCds.FieldByName(SrcDataSet.Fields[i].FieldName).Value:=SrcDataSet.Fields[i].Value;
tmpCds.Post;
SrcDataSet.Next;
end;
tmpCds.SaveToFile(XMLFileName);
finally
SrcDataSet.EnableControls;
tmpCds.Free;
end;
end;
2.»¹ÓÐÒ»ÖÖ·½·¨¾ÍÊÇÓÃTXMLDocumentÁË£¬TXMLDocumentºÜÁé»î£¬Òò´Ë²Ù×÷ÆðÀ´ÓеãÂé·³£¬ÌرðÊÇXMLÊ÷ºÜÉîµÄʱºò¡£²»¹ý Delphi¸øÎÒÃÇÌṩÁ˸ü·½±ãµÄ·½·¨£¬Ê¹ÎÒÃǸü¼Ó¼òµ¥µÄ²Ù×÷XML£¬Õâ¸ö·½·¨¾ÍÊÇXML Data BindingÏòµ¼£¬XML Data BindingÏòµ¼»á°ÑXMLµÄ½ÚµãÓ³Éä³É¶ÔÏ󣬴ӶøÊ¹ÎÒÃǸü·½±ãµÄ²Ù×÷ËüÃÇ¡£ÏÂÃæÊÇÒ»¸öXML Da
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uses WinInet;
procedure TForm1.Button1Click(Sender: TObject);
begin
if InternetGetConnectedState(nil, 0) then
ShowMessage('ÒÑÁ¬½Ó')
else
ShowMessage('ÒѶϿª');
end; ......
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1) С͵¿ªÃÅ
PHND:= OpenProcess (PROCESS_ALL_ACCESS, False, PID);µÃµ½ÓÎÏ·´°¿Ú¾ä±ú»ñµÃȨÏÞ
2)С͵ÔÚ·¿¼ä¸ã¸ö·Å×÷°¸·½°¸µÄµØ·½
TAdd := VirtualAllocEx(PHND, nil, 4096, ......
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