feat: 实现认输和保存棋谱功能

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

gui/src/commands.rs

@@ -176,3 +176,22 @@ pub fn get_game_state(state: State<AppState>) -> Result<serde_json::Value, Strin
         "game_over": game_over,
     }))
 }
+
+#[tauri::command]
+pub fn resign(state: State<AppState>) -> Result<(), String> {
+    let player_color = *state.current_color.lock().map_err(|e| e.to_string())?;
+    // 当前玩家认输，对手获胜
+    let winner = player_color.opponent();
+    *state.game_over.lock().map_err(|e| e.to_string())? = true;
+    *state.current_color.lock().map_err(|e| e.to_string())? = winner;
+    Ok(())
+}
+
+#[tauri::command]
+pub fn save_record(state: State<AppState>) -> Result<String, String> {
+    let board_opt = state.board.lock().map_err(|e| e.to_string())?;
+    let board = board_opt.as_ref().ok_or("游戏未开始")?;
+
+    let record = gobang_core::record::GameRecord::from_board(board, "玩家", "对手", None);
+    serde_json::to_string_pretty(&record).map_err(|e| e.to_string())
+}

gui/src/lib.rs

@@ -15,6 +15,8 @@ pub fn run() {
 
             commands::ai_move,
             commands::get_game_state,
+            commands::resign,
+            commands::save_record,
         ])
         .run(tauri::generate_context!())
         .expect("error while running tauri application");

src/components/game/GameControls.tsx

@@ -1,4 +1,5 @@
 import { useTranslation } from 'react-i18next';
+import { invoke } from '@tauri-apps/api/core';
 import { useGameStore } from '../../store/gameStore';
 
 interface Props {
@@ -9,16 +10,43 @@ export default function GameControls({ onBackToMenu }: Props) {
   const { t } = useTranslation();
   const undo = useGameStore((s) => s.undo);
   const status = useGameStore((s) => s.status);
+  const refreshBoard = useGameStore((s) => s.refreshBoard);
 
   const handleUndo = () => {
     undo(1);
   };
 
+  const handleResign = async () => {
+    await invoke('resign');
+    await refreshBoard();
+  };
+
+  const handleSave = async () => {
+    try {
+      const json: string = await invoke('save_record');
+      const blob = new Blob([json], { type: 'application/json' });
+      const url = URL.createObjectURL(blob);
+      const a = document.createElement('a');
+      a.href = url;
+      a.download = `gobang_${Date.now()}.json`;
+      a.click();
+      URL.revokeObjectURL(url);
+    } catch (e) {
+      console.error('保存棋谱失败:', e);
+    }
+  };
+
   return (
     <div className="game-controls">
       <button onClick={handleUndo} disabled={status === 'game_over'}>
         {t('game.undo')}
       </button>
+      <button onClick={handleResign} disabled={status === 'game_over'}>
+        {t('game.resign')}
+      </button>
+      <button onClick={handleSave}>
+        {t('game.save')}
+      </button>
       <button onClick={onBackToMenu}>{t('game.new_game')}</button>
     </div>
   );