Sequelize与log4js结合使用
1.如何将Sequelize的日志通过log4js进行输出。
log.js
const log4js = require('log4js');
const config = require('config');
log4js.configure({
appenders: {
deepLink: {
type: 'file', filename: config.get("log.filename")
},
stdout: {
type: 'stdout'
}
},
categories: {
default: {
appenders: ['deepLink','stdout'],
level: config.get("log.level")
}
}
});
const logger = log4js.getLogger('default');
//重新写了info方法
function info(message){
logger.info(message)
}
exports.logger = logger
exports.log4js = log4js
exports.info = info
database.js
const Sequelize = require('sequelize')
const config = require('config');
const log = require('../log/log')
module.exports = new Sequelize(config.get("mysql.database"), config.get("mysql.username"), config.get("mysql.password"), {
host: config.get("mysql.host"),
dialect: 'mysql',
pool: {
max: config.get("mysql.pool.max"),
min: config.get("mysql.pool.min"),
acquire: config.get("mysql.pool.acquire"),
idle: config.get("mysql.pool.idle")
},
//如果选择log.logger.info,会有Cannot read property 'isLevelEnabled' of null的异常。
logging:log.info
})
本文介绍如何将Sequelize框架的日志输出整合到log4js中,实现更灵活的日志管理和记录。文章提供了具体的配置代码示例,包括如何重新定义日志输出方法来避免出现特定错误。
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