var str:String;
var C:Char;
begin
Str:='abc';
C:=Str[1];//从1到3都可以
ShowMessage(inttostr(Ord(C)));//ascii
end;
ascii--->char用chr(65)='a';
var C:Char;
begin
Str:='abc';
C:=Str[1];//从1到3都可以
ShowMessage(inttostr(Ord(C)));//ascii
end;
ascii--->char用chr(65)='a';
例如
STR1=iuytrhtghfghfg;
str2=tg
s:string
c:char
begin
s:= 'dsfsdafs';
for i := 1 to length(s) do
begin
c := s[i]; //c就是字符串的字符
end;
end;