var
ArrayEdit:array of TEdit;//定义文本框数组
-----------------------------------------------
var
i,n:integer;
begin
n:=0;
for i:=0 to componentcount-1 do
begin
if components[i] is TEdit then
n:=n+1;
end;
end;
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setlength(ArrayEdit,n);//给数组赋长度
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你可以使用ArrayEdit[n]啦,//n:与taborder的顺序对应