<?php include("include/function.php"); // 1 取得亂數 $handn = rand(1,3); //echo $handn; // 2. 設定檔名 if($handn == 1){ $hand = "scissors.png"; } elseif($handn == 2){ $hand = "rock.png"; } elseif($handn == 3){ $hand = "paper.png"; } // 3. 到正確的地方去 echo 檔名即可 //echo $hand; ?>