44 lines
1.0 KiB
JavaScript
44 lines
1.0 KiB
JavaScript
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const winston = require('winston');
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// 创建日志格式
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const logFormat = winston.format.combine(
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winston.format.timestamp({
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format: 'YYYY-MM-DD HH:mm:ss'
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}),
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winston.format.errors({ stack: true }),
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winston.format.json()
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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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level: process.env.LOG_LEVEL || 'info',
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format: logFormat,
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defaultMeta: { service: 'nxxmdata-backend' },
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transports: [
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// 错误日志文件
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new winston.transports.File({
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filename: 'logs/error.log',
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level: 'error',
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maxsize: 5242880, // 5MB
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maxFiles: 5
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}),
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// 所有日志文件
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new winston.transports.File({
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filename: 'logs/combined.log',
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maxsize: 5242880, // 5MB
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maxFiles: 5
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})
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]
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});
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// 开发环境下添加控制台输出
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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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module.exports = logger;
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