1.logger
作用:用来输出用户请求日志
参数:options或者format字符串
- format:参考下面的tokens
- stream:输出流,默认是stdout
- buffer:缓冲时间,默认是1000ms
- immediate:立刻打印日志
tokens: format格式
- :req[header] ex: :req[Accept]
- :res[header] ex: :res[Content-Length]
- :http-version
- :response-time
- :remote-addr
- :date
- :method
- :url
- :referrer
- :user-agent
- :status
Formats:缩写
default ‘:remote-addr – – [:date] “:method :url HTTP/:http-version” :status :res[content-length] “:referrer” “:user-agent”‘
short ‘:remote-addr – :method :url HTTP/:http-version :status :res[content-length] – :response-time ms’
tiny ‘:method :url :status :res[content-length] – :response-time ms’
dev concise output colored by response status for development use
例子:新建logger.js
var connect = require('connect');
var app = connect()
.use(connect.logger())
.use(function (req, res) {
res.end('hello world\n');
})
.listen(3000);
connect.logger()
127.0.0.1 - - [Mon, 23 Sep 2013 05:14:18 GMT] "GET / HTTP/1.1" 200 - "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKi
t/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36"
127.0.0.1 - - [Mon, 23 Sep 2013 05:14:18 GMT] "GET /favicon.ico HTTP/1.1" 200 - "-" "Mozilla/5.0 (Windows NT 6.1; WOW64)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36"
connect.logger(‘short’)
127.0.0.1 - GET / HTTP/1.1 200 - - 9 ms
127.0.0.1 - GET /favicon.ico HTTP/1.1 200 - - 1 ms
connect.logger(‘dev’)
GET / 200 5ms
GET /favicon.ico 200 1ms
connect.logger(function(tokens, req, res){ return ‘some format string’ })
some format string
some format string
所以在开发环境,我们日志设置成dev就好了。
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原文链接:https://blog.csdn.net/weixin_33875564/article/details/92077872