docs: 更新项目文档，完善需求和技术细节
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ylweng
239
backend/routes/promotions.js
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239
backend/routes/promotions.js
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const express = require('express');
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const router = express.Router();
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const dbConnector = require('../utils/dbConnector');
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// 获取用户推广信息
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router.get('/info', async (req, res) => {
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try {
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const userId = req.user.id;
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// 获取或创建推广信息
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let promotion = await dbConnector.query(
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'SELECT * FROM promotions WHERE user_id = ?',
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[userId]
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);
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if (promotion.length === 0) {
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// 创建新的推广信息
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const promotionCode = generatePromotionCode(userId);
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await dbConnector.query(
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`INSERT INTO promotions
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(user_id, promotion_code, total_invites, successful_orders, total_earnings, available_balance, withdrawn_amount, created_at, updated_at)
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VALUES (?, ?, 0, 0, 0, 0, 0, NOW(), NOW())`,
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[userId, promotionCode]
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);
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promotion = await dbConnector.query(
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'SELECT * FROM promotions WHERE user_id = ?',
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[userId]
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);
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}
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// 生成推广链接和二维码（这里简化处理，实际项目中需要生成真实二维码）
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const promotionInfo = {
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promotion_code: promotion[0].promotion_code,
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qr_code_url: `/uploads/qrcodes/promo_${promotion[0].promotion_code}.png`,
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promotion_url: `https://aijianhua.com/promo/${promotion[0].promotion_code}`,
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total_invites: promotion[0].total_invites,
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successful_orders: promotion[0].successful_orders,
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total_earnings: promotion[0].total_earnings,
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available_balance: promotion[0].available_balance,
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withdrawn_amount: promotion[0].withdrawn_amount
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};
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res.json({
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code: 200,
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message: '获取成功',
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data: promotionInfo
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});
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} catch (error) {
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console.error('获取推广信息失败:', error);
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res.status(500).json({
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code: 500,
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message: '服务器内部错误',
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error: error.message
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});
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}
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});
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// 获取推广记录
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router.get('/records', async (req, res) => {
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try {
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const userId = req.user.id;
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const { page = 1, limit = 10, type } = req.query;
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const offset = (page - 1) * limit;
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let query = `
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SELECT 'invite' as type, u.username as user_name, u.phone,
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NULL as order_amount, 10.0 as amount, 'completed' as status, u.created_at
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FROM users u
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WHERE u.invited_by = ?
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`;
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let countQuery = 'SELECT COUNT(*) as count FROM users WHERE invited_by = ?';
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let queryParams = [userId];
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if (type === 'order_commission') {
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query = `
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SELECT 'order_commission' as type, u.username as user_name, u.phone,
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o.total_amount as order_amount, o.total_amount * 0.1 as amount,
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'pending' as status, o.created_at
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FROM orders o
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JOIN users u ON o.user_id = u.id
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WHERE u.invited_by = ? AND o.payment_status = 1
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`;
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countQuery = `
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SELECT COUNT(*) as count
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FROM orders o
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JOIN users u ON o.user_id = u.id
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WHERE u.invited_by = ? AND o.payment_status = 1
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`;
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}
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query += ' ORDER BY created_at DESC LIMIT ? OFFSET ?';
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queryParams.push(parseInt(limit), parseInt(offset));
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const records = await dbConnector.query(query, queryParams);
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const countResult = await dbConnector.query(countQuery, [userId]);
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const total = countResult[0].count;
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res.json({
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code: 200,
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message: '获取成功',
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data: {
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records: records,
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pagination: {
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page: parseInt(page),
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limit: parseInt(limit),
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total: total,
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pages: Math.ceil(total / limit)
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}
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}
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});
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} catch (error) {
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console.error('获取推广记录失败:', error);
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res.status(500).json({
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code: 500,
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message: '服务器内部错误',
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error: error.message
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});
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}
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});
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// 申请提现
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router.post('/withdraw', async (req, res) => {
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try {
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const { amount, payment_method, account_info } = req.body;
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const userId = req.user.id;
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// 检查可用余额
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const promotion = await dbConnector.query(
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'SELECT available_balance FROM promotions WHERE user_id = ?',
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[userId]
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);
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if (promotion.length === 0 || promotion[0].available_balance < amount) {
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return res.status(400).json({
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code: 2001,
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message: '可提现余额不足'
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});
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}
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// 检查最小提现金额
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if (amount < 50) {
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return res.status(400).json({
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code: 2001,
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message: '提现金额不能少于50元'
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});
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}
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// 创建提现记录
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const result = await dbConnector.query(
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`INSERT INTO withdrawals
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(user_id, amount, payment_method, account_info, status, created_at, updated_at)
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VALUES (?, ?, ?, ?, 'pending', NOW(), NOW())`,
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[userId, amount, payment_method, account_info]
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);
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// 更新可用余额
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await dbConnector.query(
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'UPDATE promotions SET available_balance = available_balance - ?, updated_at = NOW() WHERE user_id = ?',
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[amount, userId]
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);
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res.json({
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code: 200,
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message: '提现申请已提交',
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data: {
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withdraw_id: result.insertId,
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amount: amount,
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status: 'processing',
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estimated_arrival: new Date(Date.now() + 2 * 24 * 60 * 60 * 1000).toISOString() // 2天后
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}
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});
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} catch (error) {
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console.error('申请提现失败:', error);
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res.status(500).json({
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code: 500,
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message: '服务器内部错误',
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error: error.message
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});
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}
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});
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// 获取提现记录
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router.get('/withdrawals', async (req, res) => {
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try {
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const userId = req.user.id;
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const { page = 1, limit = 10 } = req.query;
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const offset = (page - 1) * limit;
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const withdrawals = await dbConnector.query(
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`SELECT id, amount, payment_method, account_info, status, transaction_id, completed_at, created_at
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FROM withdrawals
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WHERE user_id = ?
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ORDER BY created_at DESC
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LIMIT ? OFFSET ?`,
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[userId, parseInt(limit), parseInt(offset)]
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);
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const countResult = await dbConnector.query(
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'SELECT COUNT(*) as count FROM withdrawals WHERE user_id = ?',
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[userId]
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);
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const total = countResult[0].count;
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res.json({
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code: 200,
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message: '获取成功',
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data: {
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withdrawals: withdrawals,
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pagination: {
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page: parseInt(page),
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limit: parseInt(limit),
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total: total,
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pages: Math.ceil(total / limit)
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}
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}
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});
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} catch (error) {
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console.error('获取提现记录失败:', error);
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res.status(500).json({
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code: 500,
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message: '服务器内部错误',
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error: error.message
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});
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}
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});
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// 生成推广码
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function generatePromotionCode(userId) {
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const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
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let code = 'PROMO';
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for (let i = 0; i < 6; i++) {
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code += chars.charAt(Math.floor(Math.random() * chars.length));
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}
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return code + userId.toString().padStart(4, '0');
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}
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module.exports = router;
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