我晕,原来是D区function RandomString(RandomString:Strings;StringLength:Integer):boolean var CharSum:String; Inti :Integer; begin CharSum:='ABCDEFGHIJKLMNOPQRSTUVWXYZ'; randomize( ); for Inti:=0 TO StringLength-1 do begin //如果要两个字母不相同的话,可以比较一下随机数,这个小问题留给楼主解决 RandomString[Inti]=CharSum[random (strlen(CharSum))]; end; RandomString[Inti]='\0'; //DELPHI的字符串结束符是啥来着?好象是#0
function RandomString():string; const str='ABCDEFGHIJKLMNOPQRSTUVWXYZ'; var i, i1:integer; begin randomize; i:= random(25); repeat i1:= random(25); until i1<>i; Result:=str[i]+str[i1]; end;
那就需要再加入一个新的判断吧,前两天写的一个函数,用来输出15位随机生成的字符串bool RandomString(char* RandomString,int StringLength)
{
char CharSum[]="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
randomize();
int Inti=0;
for( ;Inti<StringLength;Inti++)
{
RandomString[Inti]=CharSum[random (strlen(CharSum))];
}
RandomString[Inti]='\0';
return true;
}
var
CharSum:String;
Inti :Integer;
begin
CharSum:='ABCDEFGHIJKLMNOPQRSTUVWXYZ';
randomize( ); for Inti:=0 TO StringLength-1 do
begin
//如果要两个字母不相同的话,可以比较一下随机数,这个小问题留给楼主解决
RandomString[Inti]=CharSum[random (strlen(CharSum))];
end; RandomString[Inti]='\0'; //DELPHI的字符串结束符是啥来着?好象是#0
Result:=true; end;
如果对楼主有用的话,一定要结贴啊,我把BCB转到D我容易嘛我 哈哈
const str='ABCDEFGHIJKLMNOPQRSTUVWXYZ';
var i, i1:integer;
begin
randomize;
i:= random(25);
repeat
i1:= random(25);
until i1<>i;
Result:=str[i]+str[i1];
end;