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procedure Tfrm.BitBtn1Click(Sender: TObject);
var
  tj,tj1,tj2,tj3,tj4,tj5,tj6,tj7:string;
begin
  tj1:='1=1';
  if checkbox1.Checked then
  tj1:='GH like'"+'%'+Edit1.Text+'%'+"'';

  tj2:='1=1';
  if checkbox2.Checked then
  tj2:='XM like'"+'%'+Edit2.Text+'%'+"'';

  tj3:='1=1';
  if CheckBox3.Checked then
  begin
  if RadioGroup1.ItemIndex=0 then
  tj3:='XB like '"+'%ÄÐ%'+"'';
  if RadioGroup1.ItemIndex=1 then
  tj3:='XB like'"+'%Å®%'+"'';
  end;

  tj4:='1=1';
  if CheckBox4.Checked then
  tj4:='CSRQ>=#'+DateToStr(DateTimePicker1.Date)+'# and CSRQ<=#'+DateToStr(DateTimePicker2.Date)+'#';

  tj5:='1=1';
  if CheckBox5.Checked then
  if CheckBox8.Checked then
  tj5:='HF=true'
  else
  tj5:='HF=false';

  tj6:='1=1';
  if CheckBox6.Checked then
  tj6:='ZC like '"+combobox1.text+"'';

  tj7:='1=1';
  if CheckBox7.Checked then
  tj7:='GZ>='+Edit3.Text+' and GZ<='+Edit4.Text;

  tj:='select * from zg.db where'+
  t


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s = unicode("²âÊÔ", "gb2312")
s = u'\u6d4b\u8bd5'
print s
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delphi ±¾µØ×°ÔØÇý¶¯ - Delphi / Windows SDK/API

delphi ÊÖ¶¯×°ÔØÇý¶¯ÎļþÌáʾ£º
RROR (1058): The driver is marked as disabled (Start=4) in its service database entry.
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Õâ¸öSQLÓï¾äÓÐʲôÎÊÌâ? - Delphi / ·Ç¼¼ÊõÇø

select * from shuju.DB where ¿ªÅ̼Û-ÊÕÅ̼Û<=0.02
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select * from aTableName where ((¿ªÅ̼Û-ÊÕÅ̼Û) <=0.02 )

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¹ØÓÚDelphi IXMLDOMNodeList ±£´æ

var
FXmlDoc:IXMLDomDocument;
begin
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