nodejs 日志模块winston的使用方法

s.end; res.end = function(chunk,encoding) { res.responseTime = (new DatE) - req._startTime; res.end = end; res.end(chunk,encoding); ... }@H_489_20@

675_0@export let DailyRotateFileTransport = (fileName) => {
return new (winston.transports.DailyRotateFilE)({
filename: path.join(process.env.LOGPATH,${filename}-%DATE%.log),datePattern: 'YYYY-MM-DD-HH',// maxSize: '20m',maxFiles: '7d',timestamp: () => new Date().format('yyyy-MM-dd hh:mm:ss.S')
})
}

@H_675_0@export let pagerequestLogger = expressWinston.logger({
transports: [
DailyRotateFileTransport('page-request')
],meta: true,// optional: control whether you want to log the meta data about the request (default to truE)
msg: 'http {{req.methoD}} {{req.url}}',// optional: customize the default logging message. E.g. "{{res.statusCodE}} {{req.methoD}} {{res.responseTimE}}ms {{req.url}}"
expressFormat: true,// Use the default Express/morgan request formatTing. Enabling this will override any msg if true. Will only output colors with colorize set to true
colorize: false,// Color the text and status code,using the Express/morgan color palette (text: gray,status: default green,3XX cyan,4XX yellow,5XX red).
ignoreRoute: function (req,res) {
// 只打印页面请求信息
let notPagerequest = false
let ignoreArr = ['/api','.js','.css','.png','.jpg','.gif']
ignoreArr.forEach(item => {
if (req.url.indexOf(item) > -1) notPagerequest = true
})
return notPagerequest
} // optional: allows to skip some log messages based on request and/or response
})

@H_675_0@export let apirequestLogger = (req,res,next) => {
let send = res.send
let content = ''
let query = req.query || {}
let body = req.body || {}
res.send = function () {
content = arguments[0]
send.apply(res,arguments)
}
expressWinston.logger({
transports: [
DailyRotateFileTransport('api-request')
],// optional: control whether you want to log the meta data about the request (default to truE)
msg () {
return http ${req.methoD} ${req.url} query ${JSON.Stringify(query)} body ${JSON.Stringify(body)} resData ${Content}
},colorize: true,res) {
if (req.headers.self) return true
return false
} // optional: allows to skip some log messages based on request and/or response
})(req,next)
}

@H_489_20@