feat: 添加国家/地区选择与展示功能

1. 新增多语言国家配置项，完善语言包
2. 实现国家选择弹窗组件，支持搜索、滚动定位和返回逻辑
3. 个人页面添加国家选择入口与展示逻辑
4. 排行榜列表新增国家名称展示
5. 优化数据变更检测逻辑，过滤无意义空值
6. 调整部分UI布局适配新增元素

Assets/Res/language/language.json

@@ -1518,6 +1518,11 @@
     "key": "100304",
     "zh": "请选择国家/地区",
     "en": "Select country/region"
+  },
+  {
+    "key": "100305",
+    "zh": "国家/地区",
+    "en": "Country/Region"
   }
 
 

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-  m_SizeDelta: {x: -60, y: 400}
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@@ -1631,6 +1924,81 @@ MonoBehaviour:
   confirmCropButton: {fileID: 2522497362292162409}
   cancelCropButton: {fileID: 535049532845737211}
   avatarSize: 300
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@@ -2932,6 +3379,10 @@ MonoBehaviour:
     type: 3}
   setPasswordPanelPrefab: {fileID: 244942182213411018, guid: cf8d28970fab05e498e87bba588aa3e6,
     type: 3}
+  selectCountryPrefab: {fileID: 1196293823344848224, guid: 90501a08c2cf82c4187b5f13c391291f,
+    type: 3}
+  countryText: {fileID: 869492382333240842}
+  selectCountryButton: {fileID: 4981612120447436577}
   signoutButton: {fileID: 8124639496175450611}
   setPasswordButtons:
   - {fileID: 173285266742594171}

Assets/Scripts/Managers/DataBase.cs

@@ -468,6 +468,7 @@ namespace Kill.Managers
         public string nickname;
         public string avatar;
         public int kill_count;
+        public string country_code;
     }
     public class RankDataList
     {
@@ -625,7 +626,7 @@ namespace Kill.Managers
                 foreach (var field in allFields)
                 {
                     var value = field.GetValue(this);
-                    if (value != null)
+                    if (IsMeaningfulValue(value))
                         changed[field.Name] = value;
                 }
                 return changed;
@@ -637,13 +638,23 @@ namespace Kill.Managers
                 var currentValue = field.GetValue(this);
                 var originalValue = field.GetValue(original);
 
-                if (!Equals(currentValue, originalValue))
+                if (!Equals(currentValue, originalValue) && IsMeaningfulValue(currentValue))
                 {
                     changed[field.Name] = currentValue;
                 }
             }
             return changed;
         }
+
+        /// <summary>
+        /// 检查值是否有意义（非 null、非空字符串）
+        /// </summary>
+        private static bool IsMeaningfulValue(object value)
+        {
+            if (value == null) return false;
+            if (value is string str && string.IsNullOrEmpty(str)) return false;
+            return true;
+        }
     }
 
     /// <summary>

Assets/Scripts/Managers/LanguageManager.cs

@@ -107,5 +107,13 @@ namespace Kill.Managers
         {
             return countryList.Find((x)=>x.code==code);
         }
+        public string GetCountryStr(string code)
+        {
+            Country c = countryList.Find((x) => x.code == code);
+            if (languageType == LanguageType.Chinese)
+                return c.name_zh;
+            else
+                return c.name_en;
+        }
     }
 }

Assets/Scripts/UI/Components/SelectCountry.cs

@@ -5,15 +5,19 @@ using UnityEngine;
 using UnityEngine.UI;
 using Kill.Managers;
 using Kill.Network;
+using Kill.UI;
 
 public class SelectCountry : MonoBehaviour
 {
     public GameObject countryPrefab;
     public Transform countryParent;
     public Button submitButton;
+    public Button backButton;
     public InputField searchInput;
+    public ScrollRect scrollRect;
     LanguageManager.Country selectCountry;
     private bool _hasSelection;
+    private string _originalCode;
     /// <summary>
     /// 未选中 选中
     /// </summary>
@@ -21,14 +25,20 @@ public class SelectCountry : MonoBehaviour
 
     private List<SelectCountryItem> _items = new List<SelectCountryItem>();
 
+    /// <summary>
+    /// 确认回调：code 为选中的国家代码，null 表示返回/取消
+    /// </summary>
     public System.Action<string> onConfirm;
 
-    // private void Start()
+    /// <summary>
-    // {
+    /// 初始化
-    //     Init("");
+    /// </summary>
-    // }
+    /// <param name="code">当前选中的国家代码</param>
-    public void Init(string code)
+    /// <param name="showBackButton">是否显示返回按钮（主页不显示）</param>
+    public void Init(string code, bool showBackButton = true)
     {
+        _originalCode = code;
+
         countryPrefab.SetActive(false);
         // 清理旧 item
         foreach (var item in _items)
@@ -36,6 +46,16 @@ public class SelectCountry : MonoBehaviour
         _items.Clear();
         _hasSelection = false;
 
+        // 返回按钮
+        if (backButton != null)
+        {
+            backButton.gameObject.SetActive(showBackButton);
+            backButton.onClick.RemoveAllListeners();
+            backButton.onClick.AddListener(OnBack);
+            if (showBackButton)
+                UIManager.Instance.RegisterBackAction(OnBack);
+        }
+
         if (LanguageManager.Instance == null || LanguageManager.Instance.countryList == null)
             return;
 
@@ -59,9 +79,47 @@ public class SelectCountry : MonoBehaviour
         if (!string.IsNullOrEmpty(code))
             SelectCountryByCode(code);
 
+        // 自动滚动到选中项
+        ScrollToSelected();
+
         UpdateSubmitButton();
     }
 
+    /// <summary>
+    /// 返回按钮点击
+    /// </summary>
+    private void OnBack()
+    {
+        onConfirm?.Invoke(null);
+    }
+
+    /// <summary>
+    /// 滚动到当前选中的国家项（居中显示）
+    /// </summary>
+    private void ScrollToSelected()
+    {
+        if (scrollRect == null || !_hasSelection) return;
+
+        int index = _items.FindIndex(i => i.Country.code == selectCountry.code);
+        if (index < 0) return;
+
+        Canvas.ForceUpdateCanvases();
+
+        var itemRect = _items[index].GetComponent<RectTransform>();
+        float contentHeight = scrollRect.content.rect.height;
+        float viewportHeight = scrollRect.viewport.rect.height;
+
+        if (contentHeight <= viewportHeight) return;
+
+        // 计算目标滚动位置：使选中项居中
+        float maxScrollY = contentHeight - viewportHeight;
+        float itemCenterY = Mathf.Abs(itemRect.anchoredPosition.y) + itemRect.rect.height / 2;
+        float targetScrollY = itemCenterY - viewportHeight / 2;
+        targetScrollY = Mathf.Clamp(targetScrollY, 0, maxScrollY);
+
+        scrollRect.verticalNormalizedPosition = 1f - targetScrollY / maxScrollY;
+    }
+
     private void OnSearchChanged(string keyword)
     {
         foreach (var item in _items)
@@ -116,7 +174,7 @@ public class SelectCountry : MonoBehaviour
                 country_code = code
             };
 
-            var response = await NetworkCtrl.Instance.Post<NoDataResponse>("/api/v1/user/country", requestData);
+            var response = await NetworkCtrl.Instance.Put<NoDataResponse>("/api/v1/user/country-code", requestData);
 
             ResponseCodeHandler.HandleResponse(response,
                 onSuccess: (data) =>

Assets/Scripts/UI/Pages/HomePage/HomePageCtrl.cs

@@ -69,7 +69,7 @@ namespace Kill.UI.Pages
             {
                 var page= Instantiate(selectCountryPage,transform);
                 page.gameObject.SetActive(true);
-                page.Init(null);
+                page.Init(null,false);
                 page.onConfirm=(code)=>{UIManager.Instance.OpenMainPage(UIManager.PageName.homePage);};
                 return;
             }

Assets/Scripts/UI/Pages/Ranking/RankItem.cs

@@ -14,11 +14,13 @@ namespace Kill.UI.Pages
         public Image avatar;
         public Text rankText;
         public Sprite normalAvatar;
+        public Text country;
         public void SetData(RankData data)
         {
             avatar.sprite=normalAvatar;
             nameText.text = data.nickname;
             countText.text = data.kill_count.ToString();
+            country.text=string.IsNullOrEmpty(data.country_code)?"--":LanguageManager.Instance.GetCountryStr(data.country_code);
             if(!string.IsNullOrEmpty(data.avatar))
             {
                 NetworkCtrl.Instance.LoadImageToUIImageAsync(data.avatar, avatar);

Assets/Scripts/UI/Pages/SelfPage/SelfInfoPage.cs

@@ -19,6 +19,9 @@ namespace Kill.UI.Pages
         public Button backButton;
         public SelfVerificationCodePanel verificationCodePanelPrefab;
         public SelfSetPasswordPanel setPasswordPanelPrefab;
+        public SelectCountry selectCountryPrefab;
+        public Text countryText;
+        public Button selectCountryButton;
         List<string> passwordSetKeys = new List<string> { "100200", "100201" };
         public Button signoutButton;
         /// <summary>
@@ -61,8 +64,52 @@ namespace Kill.UI.Pages
             {
                 nicknameText.text = userInfo.username;
             }
+
+            // 国家展示与选择
+            if (countryText != null)
+                UpdateCountryDisplay(userInfo.country_code);
+            if (selectCountryButton != null)
+            {
+                selectCountryButton.onClick.RemoveAllListeners();
+                selectCountryButton.onClick.AddListener(OnSelectCountry);
+            }
+
             InitLanguageText();
         }
+
+        /// <summary>
+        /// 更新国家显示文本
+        /// </summary>
+        private void UpdateCountryDisplay(string code)
+        {
+            if (string.IsNullOrEmpty(code))
+            {
+                countryText.text = "";
+                return;
+            }
+            var country = LanguageManager.Instance.countryList.Find(c => c.code == code);
+            bool isZh = LanguageManager.Instance.languageType == LanguageManager.LanguageType.Chinese;
+            countryText.text = country.code != null ? (isZh ? country.name_zh : country.name_en) : code;
+        }
+
+        /// <summary>
+        /// 选择国家
+        /// </summary>
+        private void OnSelectCountry()
+        {
+            var selectCountry = Instantiate(selectCountryPrefab, transform);
+            selectCountry.Init(userInfo.country_code);
+            selectCountry.onConfirm = (code) =>
+            {
+                if (code != null)
+                {
+                    userInfo.country_code = code;
+                    UpdateCountryDisplay(code);
+                }
+                Destroy(selectCountry.gameObject);
+                UIManager.Instance.RegisterBackAction(OnBack);
+            };
+        }
         public void InitLanguageText()
         {
             passwordSet = new List<string>();