如何在一个 case 语句中使用多个语句?

pet*_*tie 1 pascal freepascal turbo-pascal

所以我正在使用 pascal,并且我想向一种情况添加多个语句。我尝试了这段代码,但收到错误:“错误:常量和 CASE 类型不匹配”

procedure pay;
begin
loop:=loop+1;
CASE loop OF
1: 
writeln('E-Mail: ');
readln(mailO[1]);
writeln('amount: ');
readln(amount[1]);


end;
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kes*_*kes 6

将复合语句包含在 abegin和中end

procedure pay;
begin
  loop:=loop+1;
  CASE loop OF
    1: 
       begin
         writeln('E-Mail: ');
         readln(mailO[1]);
         writeln('amount: ');
         readln(amount[1]);
       end;

   2:  writeln('simple statement');

   3:  begin
         writeln('something else');
         writeln('etc.');
       end;

  end;
end;
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