docs: 更新项目文档，完善需求和技术细节
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ylweng
265
backend/routes/admin.js
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265
backend/routes/admin.js
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const express = require('express');
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const dbConnector = require('../utils/dbConnector');
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const { adminRequired } = require('../middlewares/auth');
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const { asyncHandler } = require('../middlewares/errorHandler');
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const router = express.Router();
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/**
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* 获取系统统计概览
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*/
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router.get('/statistics/overview', adminRequired, asyncHandler(async (req, res) => {
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// 获取总用户数
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const totalUsersResult = await dbConnector.query(
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'SELECT COUNT(*) as total FROM users WHERE status = 1'
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);
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// 获取今日新增用户数
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const newUsersTodayResult = await dbConnector.query(
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'SELECT COUNT(*) as total FROM users WHERE status = 1 AND DATE(created_at) = CURDATE()'
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);
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// 获取总订单数
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const totalOrdersResult = await dbConnector.query(
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'SELECT COUNT(*) as total FROM orders'
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);
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// 获取总收入
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const totalRevenueResult = await dbConnector.query(
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'SELECT COALESCE(SUM(total_amount), 0) as total FROM orders WHERE payment_status = 1'
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);
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// 获取总识别次数
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const totalIdentificationsResult = await dbConnector.query(
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'SELECT COUNT(*) as total FROM identifications'
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);
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// 获取今日活跃用户数
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const activeUsersTodayResult = await dbConnector.query(
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`SELECT COUNT(DISTINCT user_id) as total FROM (
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SELECT user_id FROM orders WHERE DATE(created_at) = CURDATE()
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UNION
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SELECT user_id FROM identifications WHERE DATE(created_at) = CURDATE()
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) as active_users`
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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: {
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total_users: totalUsersResult[0].total,
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new_users_today: newUsersTodayResult[0].total,
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total_orders: totalOrdersResult[0].total,
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total_revenue: parseFloat(totalRevenueResult[0].total),
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total_identifications: totalIdentificationsResult[0].total,
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active_users_today: activeUsersTodayResult[0].total
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}
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});
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}));
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/**
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* 获取趋势数据
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*/
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router.get('/statistics/trend', adminRequired, asyncHandler(async (req, res) => {
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const { days = 7, type = 'users' } = req.query;
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const dayCount = parseInt(days);
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let query = '';
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let dataKey = '';
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switch (type) {
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case 'users':
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query = `
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SELECT DATE(created_at) as date, COUNT(*) as count
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FROM users
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WHERE created_at >= DATE_SUB(CURDATE(), INTERVAL ? DAY)
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GROUP BY DATE(created_at)
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ORDER BY date
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`;
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dataKey = 'new_users';
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break;
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case 'orders':
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query = `
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SELECT DATE(created_at) as date, COUNT(*) as count
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FROM orders
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WHERE created_at >= DATE_SUB(CURDATE(), INTERVAL ? DAY)
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GROUP BY DATE(created_at)
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ORDER BY date
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`;
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dataKey = 'new_orders';
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break;
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case 'revenue':
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query = `
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SELECT DATE(created_at) as date, COALESCE(SUM(total_amount), 0) as amount
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FROM orders
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WHERE payment_status = 1 AND created_at >= DATE_SUB(CURDATE(), INTERVAL ? DAY)
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GROUP BY DATE(created_at)
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ORDER BY date
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`;
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dataKey = 'revenue';
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break;
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case 'identifications':
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query = `
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SELECT DATE(created_at) as date, COUNT(*) as count
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FROM identifications
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WHERE created_at >= DATE_SUB(CURDATE(), INTERVAL ? DAY)
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GROUP BY DATE(created_at)
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ORDER BY date
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`;
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dataKey = 'identifications';
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break;
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default:
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return res.status(400).json({
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code: 400,
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message: '不支持的统计类型',
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data: null
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});
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}
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const trendData = await dbConnector.query(query, [dayCount]);
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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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type,
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days: dayCount,
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trend: trendData,
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total: trendData.reduce((sum, item) => sum + (item.count || item.amount || 0), 0)
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}
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});
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}));
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/**
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* 获取系统配置列表
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*/
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router.get('/config', adminRequired, asyncHandler(async (req, res) => {
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const configs = await dbConnector.query(
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'SELECT config_key, config_value, config_type, description FROM system_config ORDER BY config_key'
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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: configs
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});
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}));
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/**
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* 获取单个系统配置
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*/
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router.get('/config/:key', adminRequired, asyncHandler(async (req, res) => {
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const { key } = req.params;
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const configs = await dbConnector.query(
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'SELECT config_key, config_value, config_type, description FROM system_config WHERE config_key = ?',
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[key]
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);
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if (configs.length === 0) {
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return res.status(404).json({
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code: 404,
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message: '配置项不存在',
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data: null
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});
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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: configs[0]
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});
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}));
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/**
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* 更新系统配置
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*/
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router.put('/config/:key', adminRequired, asyncHandler(async (req, res) => {
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const { key } = req.params;
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const { value } = req.body;
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if (value === undefined) {
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return res.status(400).json({
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code: 400,
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message: '配置值不能为空',
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data: null
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});
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}
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const result = await dbConnector.query(
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'UPDATE system_config SET config_value = ?, updated_at = CURRENT_TIMESTAMP WHERE config_key = ?',
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[value, key]
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);
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if (result.affectedRows === 0) {
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return res.status(404).json({
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code: 404,
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message: '配置项不存在',
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data: null
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});
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}
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res.json({
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code: 200,
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message: '更新成功',
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data: null
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});
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}));
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/**
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* 获取操作日志
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*/
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router.get('/logs', adminRequired, asyncHandler(async (req, res) => {
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const { page = 1, limit = 20, module, action, username } = req.query;
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const offset = (page - 1) * limit;
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let whereClause = 'WHERE 1=1';
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let queryParams = [];
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if (module) {
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whereClause += ' AND module = ?';
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queryParams.push(module);
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}
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if (action) {
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whereClause += ' AND action = ?';
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queryParams.push(action);
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}
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if (username) {
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whereClause += ' AND username LIKE ?';
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queryParams.push(`%${username}%`);
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}
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// 获取日志列表
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const logs = await dbConnector.query(
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`SELECT id, user_id, username, user_type, module, action, target_id,
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description, ip_address, user_agent, created_at
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FROM operation_logs ${whereClause}
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ORDER BY created_at DESC
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LIMIT ? OFFSET ?`,
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[...queryParams, parseInt(limit), offset]
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);
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// 获取总数
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const totalResult = await dbConnector.query(
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`SELECT COUNT(*) as total FROM operation_logs ${whereClause}`,
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queryParams
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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: {
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logs,
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pagination: {
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page: parseInt(page),
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limit: parseInt(limit),
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total: totalResult[0].total,
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pages: Math.ceil(totalResult[0].total / limit)
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}
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}
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});
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}));
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module.exports = router;
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@@ -66,7 +66,7 @@ router.post('/register', async (req, res, next) => {
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// 创建用户
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const result = await dbConnector.query(
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'INSERT INTO users (username, password_hash, phone, email, user_type) VALUES (?, ?, ?, ?, ?)',
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'INSERT INTO users (username, password, phone, email, user_type) VALUES (?, ?, ?, ?, ?)',
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[username, hashedPassword, phone, email, user_type]
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);
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@@ -127,7 +127,7 @@ router.post('/login', async (req, res, next) => {
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const userData = user[0];
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// 验证密码
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const isValidPassword = await bcrypt.compare(password, userData.password_hash);
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const isValidPassword = await bcrypt.compare(password, userData.password);
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if (!isValidPassword) {
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return res.status(401).json({
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code: 401,
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