所以我正在制作国际象棋游戏,但是我无法让象棋正确移动。这是我的棋盘:stringboard[8][8]={{"_","_","_","_","_","_","_","_"},{"_","_","_","_","_","_","_","_"},{"_","_","_","_","_","B","_","_"},{"_","_","_","_","_","_","_","_"},{"_","_","_","_","_","_","_","_"},{"_","_","_","_","_","_","_","_"},{"_","_","_","_","_","_","_","_"},{"_",