java版本 public static void main(String args[]){ Map<Character,Character> map = new HashMap(); map.put(&#39;1&#39;,&#39;1&#39;); map.put(&#39;2&#39;,&#39;5&#39;); map.put(&#39;3&#39;,&#39;8&#39;); map.put(&#39;4&#39;,&#39;7&#39;); map.put(&#39;6&#39;,&#39;9&#39;); map.put(&#39;7&#39;,&#39;4&#39;); map.put(&#39;8&#39;,&#39;3&#39;); map.put(&#39;9&#39;,&#39;6&#39;); Scanner sc = new Scanner(System.in); int n = sc.nextInt(); while (n >0){ String s = sc.next(); int left = 0; int right = s.length()-1; boolean flag = true; while(left <= right){ if(map.get(s.charAt(right)) != s.charAt(left)){ flag = false; break; } right --; left ++; } if(flag){ System.out.println("YES"); }else{ System.out.println("NO"); } n--; } }