56 lines
1.4 KiB
JavaScript
56 lines
1.4 KiB
JavaScript
const winston = require('winston');
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require('winston-daily-rotate-file');
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const path = require('path');
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// 定义日志目录
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const logDir = path.join(__dirname, '../logs');
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// 定义日志格式
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const logFormat = winston.format.combine(
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winston.format.timestamp({ format: 'YYYY-MM-DD HH:mm:ss' }),
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winston.format.printf(({ timestamp, level, message }) => {
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return `${timestamp} [${level.toUpperCase()}]: ${message}`;
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})
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);
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// 创建 Logger 实例
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const logger = winston.createLogger({
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format: logFormat,
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transports: [
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// 1. 错误日志：只记录 error 级别
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new winston.transports.DailyRotateFile({
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filename: path.join(logDir, 'error-%DATE%.log'),
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datePattern: 'YYYY-MM-DD',
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level: 'error',
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maxSize: '20m',
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maxFiles: '14d', // 保留14天
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}),
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// 2. 综合日志：记录所有级别
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new winston.transports.DailyRotateFile({
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filename: path.join(logDir, 'combined-%DATE%.log'),
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datePattern: 'YYYY-MM-DD',
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maxSize: '20m',
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maxFiles: '14d',
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}),
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],
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});
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// 如果不是生产环境，也输出到控制台
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if (process.env.NODE_ENV !== 'production') {
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logger.add(new winston.transports.Console({
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format: winston.format.combine(
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winston.format.colorize(),
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winston.format.simple()
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),
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}));
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}
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// 创建一个流对象，供 morgan 使用
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logger.stream = {
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write: (message) => {
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logger.info(message.trim());
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},
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};
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module.exports = logger;
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