80 lines
1.7 KiB
JavaScript
80 lines
1.7 KiB
JavaScript
/**
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* 日志工具
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* 统一输出 [INFO] / [WARN] / [ERROR] + 时间戳
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* 同时写入 logs/ 目录下的日期文件
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*/
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const fs = require('fs');
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const path = require('path');
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const config = require('../config');
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// 确保日志目录存在
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const logDir = path.resolve(config.dirs.logs);
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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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// 今日日志文件
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const today = new Date().toISOString().slice(0, 10);
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const logFile = path.join(logDir, `${today}.log`);
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/**
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* 写入文件（异步追加）
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*/
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function writeToFile(message) {
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try {
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fs.appendFileSync(logFile, message + '\n', 'utf-8');
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} catch (err) {
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// 日志写入失败不应影响主流程，静默处理
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console.error(`[LOGGER] 写入日志文件失败: ${err.message}`);
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}
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}
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/**
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* 获取当前时间戳字符串
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*/
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function timestamp() {
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const now = new Date();
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const pad = (n) => String(n).padStart(2, '0');
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return `${now.getFullYear()}-${pad(now.getMonth() + 1)}-${pad(now.getDate())} ` +
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`${pad(now.getHours())}:${pad(now.getMinutes())}:${pad(now.getSeconds())}`;
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}
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/**
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* 格式化日志行
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*/
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function format(level, message) {
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return `[${level}] ${timestamp()} ${message}`;
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}
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const logger = {
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info(message) {
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const line = format('INFO', message);
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console.log(line);
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writeToFile(line);
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},
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warn(message) {
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const line = format('WARN', message);
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console.warn(line);
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writeToFile(line);
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},
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error(message) {
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const line = format('ERROR', message);
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console.error(line);
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writeToFile(line);
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},
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/**
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* 打印空行分隔
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*/
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divider() {
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const line = '─'.repeat(60);
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console.log(line);
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writeToFile(line);
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},
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};
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module.exports = logger;
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