feat(payment): 实现动态国家货币配置加载功能

- 移除硬编码国家货币映射，改为从API动态加载
- 添加 /api/payment/countries 接口获取支持的国家/货币列表
- 实现国家列表缓存机制（1小时有效期）
- 在支付页面添加国家选择下拉框动态渲染
- 添加网络请求失败时的备用数据方案
- 保留批量模式状态不被重置的注释说明

src/web/routes/payment.py

@@ -178,4 +178,52 @@ def mark_subscription(account_id: int, request: MarkSubscriptionRequest):
 
     return {"success": True, "subscription_type": request.subscription_type}
 
+# ============== 国家/货币配置 ==============
+
+_countries_cache: dict = {}  # {"data": [...], "expires_at": float}
+
+
+@router.get("/countries")
+def get_checkout_countries():
+    """从 ChatGPT checkout 接口获取支持的国家/货币列表（缓存 1 小时）"""
+    import time
+    import curl_cffi.requests as cffi_requests
+
+    now = time.time()
+    if _countries_cache.get("expires_at", 0) > now:
+        return {"success": True, "countries": _countries_cache["data"]}
+
+    with get_db() as db:
+        proxy = get_settings().get_proxy_url(db=db)
+
+    try:
+        resp = cffi_requests.get(
+            "https://chatgpt.com/backend-api/checkout_pricing_config/countries",
+            proxies={"http": proxy, "https": proxy} if proxy else None,
+            timeout=15,
+            impersonate="chrome110",
+        )
+        resp.raise_for_status()
+        data = resp.json()
+        countries = data if isinstance(data, list) else data.get("countries", [])
+        _countries_cache["data"] = countries
+        _countries_cache["expires_at"] = now + 3600
+        return {"success": True, "countries": countries}
+    except Exception as e:
+        logger.warning(f"获取国家列表失败: {e}")
+        fallback = [
+            {"country_code": "SG", "currency": "SGD", "country_name": "Singapore"},
+            {"country_code": "US", "currency": "USD", "country_name": "United States"},
+            {"country_code": "TR", "currency": "TRY", "country_name": "Turkey"},
+            {"country_code": "JP", "currency": "JPY", "country_name": "Japan"},
+            {"country_code": "HK", "currency": "HKD", "country_name": "Hong Kong"},
+            {"country_code": "GB", "currency": "GBP", "country_name": "United Kingdom"},
+            {"country_code": "AU", "currency": "AUD", "country_name": "Australia"},
+            {"country_code": "CA", "currency": "CAD", "country_name": "Canada"},
+            {"country_code": "IN", "currency": "INR", "country_name": "India"},
+            {"country_code": "BR", "currency": "BRL", "country_name": "Brazil"},
+            {"country_code": "MX", "currency": "MXN", "country_name": "Mexico"},
+        ]
+        return {"success": False, "countries": fallback, "error": str(e)}
+
 

static/js/app.js

@@ -1061,7 +1061,7 @@ function resetButtons() {
     elements.cancelBtn.disabled = true;
     currentTask = null;
     currentBatch = null;
-    isBatchMode = false;
+    // 注意：不重置 isBatchMode，因为用户可能想继续使用批量模式
     // 重置完成标志
     taskCompleted = false;
     batchCompleted = false;

static/js/payment.js

@@ -2,20 +2,53 @@
  * 支付页面 JavaScript
  */
 
-const COUNTRY_CURRENCY_MAP = {
-    SG: 'SGD', US: 'USD', TR: 'TRY', JP: 'JPY',
-    HK: 'HKD', GB: 'GBP', EU: 'EUR', AU: 'AUD',
-    CA: 'CAD', IN: 'INR', BR: 'BRL', MX: 'MXN',
-};
-
 let selectedPlan = 'plus';
 let generatedLink = '';
+let countryCurrencyMap = {};  // 动态从接口加载
 
 // 初始化
 document.addEventListener('DOMContentLoaded', () => {
     loadAccounts();
+    loadCountries();
 });
 
+// 加载国家/货币列表
+async function loadCountries() {
+    const sel = document.getElementById('country-select');
+    try {
+        const resp = await fetch('/api/payment/countries');
+        const data = await resp.json();
+        const countries = data.countries || [];
+
+        // 重建映射表
+        countryCurrencyMap = {};
+        countries.forEach(c => {
+            countryCurrencyMap[c.country_code] = c.currency;
+        });
+
+        // 记住当前选中值
+        const current = sel.value;
+
+        // 渲染选项
+        sel.innerHTML = countries.map(c =>
+            `<option value="${c.country_code}">${c.country_name} (${c.currency})</option>`
+        ).join('');
+
+        // 恢复选中或默认 SG
+        sel.value = current && countryCurrencyMap[current] ? current : 'SG';
+        onCountryChange();
+
+        if (!data.success) {
+            console.warn('国家列表使用内置 fallback:', data.error);
+        }
+    } catch (e) {
+        console.error('加载国家列表失败:', e);
+        sel.innerHTML = '<option value="SG">Singapore (SGD)</option>';
+        countryCurrencyMap = { SG: 'SGD' };
+        onCountryChange();
+    }
+}
+
 // 加载账号列表
 async function loadAccounts() {
     try {
@@ -37,7 +70,7 @@ async function loadAccounts() {
 // 国家切换
 function onCountryChange() {
     const country = document.getElementById('country-select').value;
-    const currency = COUNTRY_CURRENCY_MAP[country] || 'USD';
+    const currency = countryCurrencyMap[country] || '';
     document.getElementById('currency-display').value = currency;
 }
 

templates/payment.html

@@ -106,22 +106,12 @@
                         <div class="form-group">
                             <label for="country-select">计费国家</label>
                             <select id="country-select" onchange="onCountryChange()">
-                                <option value="SG">新加坡 (SGD)</option>
-                                <option value="US">美国 (USD)</option>
-                                <option value="TR">土耳其 (TRY)</option>
-                                <option value="JP">日本 (JPY)</option>
-                                <option value="HK">香港 (HKD)</option>
-                                <option value="GB">英国 (GBP)</option>
-                                <option value="AU">澳大利亚 (AUD)</option>
-                                <option value="CA">加拿大 (CAD)</option>
-                                <option value="IN">印度 (INR)</option>
-                                <option value="BR">巴西 (BRL)</option>
-                                <option value="MX">墨西哥 (MXN)</option>
+                                <option value="">-- 加载中... --</option>
                             </select>
                         </div>
                         <div class="form-group">
                             <label>对应货币</label>
-                            <input type="text" id="currency-display" value="SGD" readonly style="background:var(--surface-hover);cursor:default">
+                            <input type="text" id="currency-display" value="" readonly style="background:var(--surface-hover);cursor:default">
                         </div>
                     </div>