实现折扣价格功能：数据库表、后端API、前端界面完整支持折扣价格字段

admin.php

@@ -3540,6 +3540,7 @@ async function loadShopConfig(el) {
                 <div class="form-row"><label>临时优惠</label><input id="scfOffer" placeholder="如：限时8折"></div>
                 <div class="form-row"><label>优惠有效期</label><input id="scfExpire" placeholder="yyyy-MM-dd 或 2026年7月16日"></div>
                 <div class="form-row"><label>售价(元)</label><input id="scfPrice" type="number" min="0.01" step="0.01" placeholder="0.01"></div>
+                <div class="form-row"><label>优惠后价格</label><input id="scfDiscountPrice" type="text" inputmode="decimal" placeholder="留空=无优惠, 0.9=9折, 1.5=直接价格"></div>
                 <div class="form-row"><label>到账债券</label><input id="scfBond" placeholder="如：1-10 或 100"></div>
                 <div class="form-row"><label>上下架</label><select id="scfActive"><option value="1">上架</option><option value="0">下架</option></select></div>
                 <div style="margin-top:14px;text-align:right">
@@ -3593,6 +3594,18 @@ function showShopConfigForm(config) {
     document.getElementById('scfOffer').value = config ? (config.temporary_offer||'') : '';
     document.getElementById('scfExpire').value = config ? (config.offer_expire||'') : '';
     document.getElementById('scfPrice').value = config ? config.price : '';
+    // 优惠后价格：如果原价<1认为是折扣，否则是直接价格
+    if (config && config.discount_price > 0) {
+        const ratio = config.discount_price / (config.price || 1);
+        // 如果是整数倍（如原价10，优惠价5），显示折扣形式
+        if (ratio < 1 && ratio > 0) {
+            document.getElementById('scfDiscountPrice').value = ratio;
+        } else {
+            document.getElementById('scfDiscountPrice').value = config.discount_price;
+        }
+    } else {
+        document.getElementById('scfDiscountPrice').value = '';
+    }
     document.getElementById('scfBond').value = config ? config.bond_reward : '1-1';
     document.getElementById('scfActive').value = config ? config.is_active : 1;
     document.getElementById('shopConfigFormOverlay').classList.add('show');
@@ -3630,6 +3643,7 @@ async function saveShopConfig() {
     const offer = document.getElementById('scfOffer').value.trim();
     const expire = document.getElementById('scfExpire').value.trim();
     const price = parseFloat(document.getElementById('scfPrice').value) || 0;
+    const discountPriceRaw = document.getElementById('scfDiscountPrice').value.trim();
     const bond = document.getElementById('scfBond').value.trim();
     const active = parseInt(document.getElementById('scfActive').value) || 1;
 
@@ -3651,6 +3665,7 @@ async function saveShopConfig() {
         temporary_offer: offer,
         offer_expire: expire,
         price: price,
+        discount_price: discountPriceRaw,
         bond_reward: bond,
         is_active: active
     });

api/pay.php

@@ -315,7 +315,12 @@ function createOrder($token, $productId = 0) {
                 error('商品已售罄');
             }
 
-            $money = number_format($product['price'], 2, '.', '');
+            // 使用折扣价格（如果有）
+            $actualPrice = $product['price'];
+            if (isset($product['discount_price']) && $product['discount_price'] > 0) {
+                $actualPrice = $product['discount_price'];
+            }
+            $money = number_format($actualPrice, 2, '.', '');
             $name = $product['item_name'];
 
             // 解析债券范围
@@ -952,10 +957,21 @@ function getShopProducts() {
         temporary_offer TEXT NOT NULL DEFAULT '',
         offer_expire TEXT NOT NULL DEFAULT '',
         price REAL NOT NULL DEFAULT 0,
+        discount_price REAL NOT NULL DEFAULT 0,
         bond_reward TEXT NOT NULL DEFAULT '1-1',
         is_active INTEGER NOT NULL DEFAULT 1,
-        created_at INTEGER NOT NULL DEFAULT 0
+        created_at INTEGER NOT NULL DEFAULT 0,
+        updated_at INTEGER NOT NULL DEFAULT 0
     )");
+    // 兼容旧表：检查并添加discount_price字段
+    $hasCol = false;
+    $cols = $db->query("PRAGMA table_info(shop_configs)");
+    while ($col = $cols->fetchArray(SQLITE3_ASSOC)) {
+        if ($col['name'] === 'discount_price') { $hasCol = true; break; }
+    }
+    if (!$hasCol) {
+        $db->exec("ALTER TABLE shop_configs ADD COLUMN discount_price REAL NOT NULL DEFAULT 0");
+    }
 
     // 查询上架商品（is_active=1）
     $stmt = $db->query("SELECT * FROM shop_configs WHERE is_active = 1 ORDER BY id ASC");
@@ -976,6 +992,12 @@ function getShopProducts() {
         // 解析有效期
         $expireInfo = parseExpireDate($row['offer_expire']);
 
+        // 计算实际显示价格（如果有折扣价格且折扣价格>0）
+        $displayPrice = $row['price'];
+        if (isset($row['discount_price']) && $row['discount_price'] > 0) {
+            $displayPrice = $row['discount_price'];
+        }
+
         $products[] = [
             'id' => $row['id'],
             'item_name' => $row['item_name'],
@@ -985,6 +1007,8 @@ function getShopProducts() {
             'expire_valid' => $expireInfo['valid'],
             'expire_display' => $expireInfo['display'],
             'price' => $row['price'],
+            'discount_price' => $row['discount_price'] ?? 0,
+            'display_price' => $displayPrice,
             'bond_reward' => $bondReward,
             'bond_min' => $bondMin,
             'bond_max' => $bondMax,

api/recharge_orders_api.php

@@ -45,11 +45,21 @@ function ensureShopConfigsTable($db) {
         temporary_offer TEXT NOT NULL DEFAULT '',
         offer_expire TEXT NOT NULL DEFAULT '',
         price REAL NOT NULL DEFAULT 0,
+        discount_price REAL NOT NULL DEFAULT 0,
         bond_reward TEXT NOT NULL DEFAULT '1-1',
         is_active INTEGER NOT NULL DEFAULT 1,
         created_at INTEGER NOT NULL DEFAULT 0,
         updated_at INTEGER NOT NULL DEFAULT 0
     )");
+    // 兼容旧表：检查并添加discount_price字段
+    $hasCol = false;
+    $cols = $db->query("PRAGMA table_info(shop_configs)");
+    while ($col = $cols->fetchArray(SQLITE3_ASSOC)) {
+        if ($col['name'] === 'discount_price') { $hasCol = true; break; }
+    }
+    if (!$hasCol) {
+        $db->exec("ALTER TABLE shop_configs ADD COLUMN discount_price REAL NOT NULL DEFAULT 0");
+    }
 }
 
 // 检查管理员登录
@@ -463,40 +473,63 @@ function handleShopConfigSave($db) {
     $temporaryOffer = getParam('temporary_offer', '');
     $offerExpire = getParam('offer_expire', '');
     $price = floatval(getParam('price', 0));
+    $discountPriceRaw = getParam('discount_price', '0');
     $bondReward = getParam('bond_reward', '1-1');
     $isActive = intval(getParam('is_active', 1));
-    
+
     // 验证库存
     if ($stock < -1) {
         error('库存不能小于-1');
     }
-    
+
     // 验证售价
     if ($price <= 0) {
         error('售价必须大于0');
     }
-    
+
+    // 解析优惠后价格
+    // 支持两种格式：
+    // 1. 直接价格（如 1、2、1.5）→ 直接使用
+    // 2. 折扣（如 0.9、0.8）→ 计算 原价 × 折扣
+    $discountPrice = 0;
+    $discountPriceRaw = trim($discountPriceRaw);
+    if ($discountPriceRaw !== '' && $discountPriceRaw !== '0') {
+        $discountValue = floatval($discountPriceRaw);
+        if ($discountValue <= 0) {
+            error('优惠后价格必须大于0');
+        }
+        // 判断是直接价格还是折扣（<1的数认为是折扣）
+        if ($discountValue < 1) {
+            // 折扣：原价 × 折扣
+            $discountPrice = round($price * $discountValue, 2);
+        } else {
+            // 直接价格
+            $discountPrice = round($discountValue, 2);
+        }
+    }
+
     // 验证债券范围格式（支持盲盒范围，如"1-10"）
     if (!preg_match('/^\d+(-\d+)?$/', $bondReward)) {
         error('债券范围格式错误，应为数字或范围如"1-10"');
     }
-    
+
     // 解析并验证有效期
     $expireInfo = parseExpireDate($offerExpire);
     if ($offerExpire && !$expireInfo['valid']) {
         error('有效期格式错误，请使用yyyy-MM-dd或中文格式如"2026年7月16日"');
     }
-    
+
     $now = time();
-    
+
     if ($id > 0) {
         // 编辑
-        $stmt = $db->prepare("UPDATE shop_configs SET 
+        $stmt = $db->prepare("UPDATE shop_configs SET
             item_name = :name,
             stock = :stock,
             temporary_offer = :offer,
             offer_expire = :expire,
             price = :price,
+            discount_price = :discount_price,
             bond_reward = :bond,
             is_active = :active,
             updated_at = :updated
@@ -504,25 +537,26 @@ function handleShopConfigSave($db) {
         $stmt->bindValue(':id', $id, SQLITE3_INTEGER);
     } else {
         // 添加
-        $stmt = $db->prepare("INSERT INTO shop_configs 
+        $stmt = $db->prepare("INSERT INTO shop_configs
-            (item_name, stock, temporary_offer, offer_expire, price, bond_reward, is_active, created_at, updated_at)
+            (item_name, stock, temporary_offer, offer_expire, price, discount_price, bond_reward, is_active, created_at, updated_at)
-            VALUES (:name, :stock, :offer, :expire, :price, :bond, :active, :created, :updated)");
+            VALUES (:name, :stock, :offer, :expire, :price, :discount_price, :bond, :active, :created, :updated)");
         $stmt->bindValue(':created', $now, SQLITE3_INTEGER);
     }
-    
+
     $stmt->bindValue(':name', $itemName, SQLITE3_TEXT);
     $stmt->bindValue(':stock', $stock, SQLITE3_INTEGER);
     $stmt->bindValue(':offer', $temporaryOffer, SQLITE3_TEXT);
     $stmt->bindValue(':expire', $offerExpire, SQLITE3_TEXT);
     $stmt->bindValue(':price', $price, SQLITE3_FLOAT);
+    $stmt->bindValue(':discount_price', $discountPrice, SQLITE3_FLOAT);
     $stmt->bindValue(':bond', $bondReward, SQLITE3_TEXT);
     $stmt->bindValue(':active', $isActive, SQLITE3_INTEGER);
     $stmt->bindValue(':updated', $now, SQLITE3_INTEGER);
-    
+
     $stmt->execute();
-    
+
     $savedId = $id > 0 ? $id : $db->lastInsertRowID();
-    success(['id' => $savedId], $id > 0 ? '配置已更新' : '配置已添加');
+    success(['id' => $savedId, 'discount_price' => $discountPrice], $id > 0 ? '配置已更新' : '配置已添加');
 }
 
 /**

player.php

@@ -1218,14 +1218,22 @@ if ($currentVersion !== $BUILD_VERSION) {
                     // ★ 盲盒随机语录
                     const quoteText = isBlindBox ? `<div style="font-size:12px;color:var(--accent);margin-top:6px;font-style:italic">${blindBoxQuotes[Math.floor(Math.random() * blindBoxQuotes.length)]}</div>` : '';
 
+                    // 计算显示价格（折扣价格优先）
+                    const displayPrice = product.discount_price > 0 ? product.discount_price : product.price;
+                    const hasDiscount = product.discount_price > 0 && product.discount_price < product.price;
+
                     html += `
-                        <div class="shop-product-card" data-product-id="${product.id}" data-price="${product.price}" data-bond-min="${product.bond_min}" data-bond-max="${product.bond_max}" data-stock="${product.stock}" onclick="selectShopProduct(this)" style="border:1px solid ${isSelected ? 'var(--accent)' : 'var(--border)'};border-radius:14px;padding:16px;margin-bottom:12px;background:${isSelected ? 'linear-gradient(135deg,rgba(63,185,80,0.08),rgba(88,166,255,0.06))' : 'transparent'};cursor:pointer;transition:all 0.2s ease;${isSoldOut ? 'opacity:0.72;' : ''}">
+                        <div class="shop-product-card" data-product-id="${product.id}" data-price="${displayPrice}" data-bond-min="${product.bond_min}" data-bond-max="${product.bond_max}" data-stock="${product.stock}" onclick="selectShopProduct(this)" style="border:1px solid ${isSelected ? 'var(--accent)' : 'var(--border)'};border-radius:14px;padding:16px;margin-bottom:12px;background:${isSelected ? 'linear-gradient(135deg,rgba(63,185,80,0.08),rgba(88,166,255,0.06))' : 'transparent'};cursor:pointer;transition:all 0.2s ease;${isSoldOut ? 'opacity:0.72;' : ''}">
                             <div style="display:flex;justify-content:space-between;align-items:center;margin-bottom:8px">
                                 <span style="font-size:14px;color:var(--fg)">${product.item_name}</span>
                                 <span style="font-size:12px;color:${stockColor};border:1px solid ${stockColor};border-radius:999px;padding:2px 10px">${stockText}</span>
                             </div>
                             <div style="display:flex;justify-content:space-between;align-items:baseline">
-                                <div><div style="font-size:28px;font-weight:800;color:var(--accent)">¥${product.price}</div><div style="font-size:12px;color:var(--dim)">支付金额</div></div>
+                                <div>
+                                    <div style="font-size:28px;font-weight:800;color:var(--accent)">¥${displayPrice}</div>
+                                    ${hasDiscount ? `<div style="font-size:12px;color:var(--dim);text-decoration:line-through">原价 ¥${product.price}</div>` : ''}
+                                    <div style="font-size:12px;color:var(--dim)">支付金额</div>
+                                </div>
                                 <div style="font-size:22px;color:var(--green)">→ ${bondDisplay}</div>
                             </div>
                             ${offerText}