Yuzhiran Dev
24cd9cef53
- uni-app Vue3 frontend with dark glassmorphism theme - 5 AI dimensions: Origin / Development / Current / Learning / Trend - AI Chat system prompt updated from geometry to AI - 23 AI knowledge articles initialized in DB - Trend API + cron job for daily news - Product pricing (Pro ¥19.9, VIP ¥39.9) - Pinia stores + API utilities - AGENTS.md documentation
97 lines
2.1 KiB
JavaScript
Executable File
97 lines
2.1 KiB
JavaScript
Executable File
const fs = require('fs')
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const path = require('path')
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/**
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* 日志级别
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*/
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const LOG_LEVELS = {
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debug: 0,
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info: 1,
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warn: 2,
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error: 3
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}
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/**
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* 日志器
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*/
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class Logger {
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constructor(level = 'info', logDir = './logs') {
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this.level = LOG_LEVELS[level] || LOG_LEVELS.info
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this.logDir = logDir
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// 确保日志目录存在
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if (!fs.existsSync(logDir)) {
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fs.mkdirSync(logDir, { recursive: true })
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}
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}
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/**
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* 格式化日志消息
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*/
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formatMessage(level, message, meta = {}) {
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const timestamp = new Date().toISOString()
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const metaStr = Object.keys(meta).length > 0 ? JSON.stringify(meta) : ''
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return `[${timestamp}] [${level.toUpperCase()}] ${message} ${metaStr}\n`
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}
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/**
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* 写入日志文件
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*/
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writeToFile(level, message, meta) {
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const date = new Date().toISOString().split('T')[0]
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const logFile = path.join(this.logDir, `${date}.log`)
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const logMessage = this.formatMessage(level, message, meta)
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fs.appendFile(logFile, logMessage, (err) => {
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if (err) console.error('写入日志失败:', err)
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})
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}
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/**
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* 记录日志
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*/
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log(level, message, meta = {}) {
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if (LOG_LEVELS[level] < this.level) return
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const formattedMessage = this.formatMessage(level, message, meta)
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// 控制台输出
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switch (level) {
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case 'error':
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console.error(formattedMessage.trim())
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break
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case 'warn':
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console.warn(formattedMessage.trim())
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break
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default:
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console.log(formattedMessage.trim())
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}
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// 文件输出（生产环境）
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if (process.env.NODE_ENV === 'production') {
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this.writeToFile(level, message, meta)
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}
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}
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debug(message, meta) {
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this.log('debug', message, meta)
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}
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info(message, meta) {
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this.log('info', message, meta)
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}
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warn(message, meta) {
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this.log('warn', message, meta)
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}
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error(message, meta) {
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this.log('error', message, meta)
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}
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}
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// 导出单例
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const logger = new Logger(process.env.LOG_LEVEL || 'info')
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module.exports = logger
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