begin
if listbox1.ItemIndex=-1 then begin
showmessage('未选择终端!');
exit;
end;
if listbox1.ItemIndex<>-1 then begin
s:=#$44+#$41;
s:=s+#$01;
s:=s+#$00;
s:=s+chr(length(Memo1.Text) div 256)+chr(length(Memo1.Text) mod 256)+Memo1.Text;
chk:=0;
for n:=3 to length(s) do begin
chk:=chk+byte(s[n]);
end;
var
s:string;
begin
s:=onlinezdid;
listbox1.Items.Clear;
repeat
listbox1.Items.Add(copy(s,1,11));
s:=copy(s,14,length(s)-13);
until s=''
end;procedure Ttestfrm.Button3Click(Sender: TObject);
var
k:integer;
ss:pointer;
cnt:integer;
sss:pbytearray;
s:string;
if listbox1.ItemIndex=-1 then begin
showmessage('未选择终端!');
exit;
end;
if listbox1.ItemIndex<>-1 then begin
s:=#$44+#$41;
s:=s+#$01;
s:=s+#$00;
s:=s+chr(length(Memo1.Text) div 256)+chr(length(Memo1.Text) mod 256)+Memo1.Text;
chk:=0;
for n:=3 to length(s) do begin
chk:=chk+byte(s[n]);
end;
var
s:string;
begin
s:=onlinezdid;
listbox1.Items.Clear;
repeat
listbox1.Items.Add(copy(s,1,11));
s:=copy(s,14,length(s)-13);
until s=''
end;procedure Ttestfrm.Button3Click(Sender: TObject);
var
k:integer;
ss:pointer;
cnt:integer;
sss:pbytearray;
s:string;
解决方案 »
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