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Ê×ÏÈ´´½¨Ò»¸öеÄÏîÄ¿£¬È»ºóÏò´°ÌåÉÏÌí¼ÓÒ»¸öTQuery×é¼þºÍÒ»¸öTListView×é¼þ.
¡¡ÉèÖÃTQuery×é¼þµÄDatabaseNameÊôÐÔÉèÖÃΪDBDEMOS£¬SQLÊôÐÔÉèÖÃΪselect * from country¡£È»ºóÌí¼Ó³ÌÐò³õʼ»¯´úÂëÈçÏ£º
with adoquery1 do
  begin
  close;
  ADOConnection1:=TADOConnection.Create(nil);
  Adoconnection1.LoginPrompt:=false;
  ADOConnection1.ConnectionString:='Provider=Microsoft.Jet.OLEDB.4.0;Data Source=db1.mdb;Persist Security Info=False';
  adoquery1.Connection :=  ADOConnection1;
  SQL.Clear;
  SQL.add('select * from BOSS');
  Open;
  end;
  for i:=0 to adoquery1.FieldCount-1 do
begin
TempColumn:=self.ListView1.Columns.Add;
TempColumn.Caption:=adoquery1.Fields[i].FieldName;
end;
adoquery1.First;
while not adoquery1.Eof do
begin
TempItem:=self.ListView1.Items.Add;
TempItem.Caption:=adoquery1.Fields[0].AsString;
for i:=1 to adoquery1.FieldCount-1 do
begin
TempItem.SubItems.Add(adoquery1.Fields[i].AsString);
end;
adoquery1.Next;
end;
¡¡³ÌÐòÊ×ÏÈͨ¹ýListView1.ViewStyle:=vsReportÓï¾äÉèÖÃTListView×é¼þµÄViewStyleÊôÐÔֵΪvsReport¡£È»ºóͨ¹ýµÚ1¸öÑ­»·ÖеÄTempColumn:=self.ListView1.Columns.AddºÍTempColumn.Caption:=Query1.Fields[i].FieldNameÓï¾äÔÚTListView×é¼þµÄ±êÌâÐÐÖÐÏÔʾÊý¾Ý¿âÖÐ×ֶεÄÃû³Æ¡£×îºóͨ¹ýÒ»¸öÑ­»·ÖðÐÐÊä³öÊý¾Ý¿âµÄËùÓÐÊý¾Ý¡£
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Delphi µÄ×Ö·û¼°×Ö·û´®[1] - string¡¢AnsiString¡¢WideString¡¢String[n]¡¢ShortString
2008-10-17 14:57:17
//×î³£ÓÃµÄ string
var
  str: string;   {¶¨Òå}
begin
  str := 'ÍòÒ»'; {¸³Öµ}
  ShowMessage(IntToStr(Length(str))); {³¤¶ÈÊÇ: 4}
end;
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