express-req-logger

express-req-logger

HTTP request logger middleware for Express.

usage

npm i -S express-req-logger

const express = require('express');
const logger = require('express-req-logger');

var app = express();

app.use(logger());

// GET / HTTP/1.1 200 367ms

API

logger(format, option)

The format argument is a string, either 'tiny','normal', 'long', or something like that ':method :url HTTP/:httpVersion :status :duration'.

format

normal Default style.

GET / HTTP/1.1 200 218ms

tiny Short style.

GET / 200

long Long style.

[2017-05-14 21:03:25 周日] ::ffff:192.168.0.100 /index.html HTTP/1.1 304 23ms Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebkit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36

:method

HTTP request method. GET

:url

Request path. /index.html

:httpVersion

HTTP version number. 1.1

:status

Request status code. 200

:duration

Request to respond to the duration of the unit, in milliseconds. 263ms

:ip

Remote client IP address. ::ffff:192.168.0.100

:date

Current date. 2017-05-14

:time

Current time. 19:00:00

:day

Current week. 周日

:userAgent

Remote client user agent content.

const logger = require('express-req-logger');
var app = require('express')();

app.use(logger(
    '[:date :time] :method :url HTTP/:httpVersion :status'
));

// [2017-05-14 19:23:33] GET /index.html HTTP/1.1 200

option

Used to modify the output of a field, or to add a field.

app.use(logger(
    '[:date :when :time] :method :url'
), {

  // Add the new when field and add it to the format parameter.
  when: function (req, res) { // Can receive request and response object.
    return (new Date().getHours() >= 12) ? 'PM' : 'AM';
  },

  // Rewrite the method function
  method: function (req, res) {
    return req.method.toLowerCase();
  }

});

// [2017-05-14 上午 10:22:29] get /index.html

express-req-logger

Express的HTTP请求日志中间件

使用方法

npm i -S express-req-logger

const express = require('express');
const logger = require('express-req-logger');

var app = express();

app.use(logger());

接口

logger(format, option)

format参数是一个字符串，可以是预设的配置'tiny'、'normal'、'long'或者是类似':method :url HTTP/:httpVersion :status :duration'。

format

normal 默认风格。如下所示

GET / HTTP/1.1 200 218ms

tiny 简短风格

GET / 200

long 长风格

[2017-05-14 21:03:25 周日] ::ffff:192.168.0.100 /index.html HTTP/1.1 304 23ms Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebkit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.36

:method

HTTP请求方法。GET

:url

请求路径。/index.html

:httpVersion

HTTP版本。1.1

:status

请求状态码。200

:duration

请求到响应持续的时间，单位为毫秒。263ms

:ip

客户端IP地址。::ffff:192.168.0.100

:date

当前日期。2017-05-14,本项目首次提交时间。

:time

当前时间。19:00:00

:day

当前星期。周日

:userAgent

客户端用户代理内容。

const logger = require('express-req-logger');
var app = require('express')();

app.use(logger(
    '[:date :time] :method :url HTTP/:httpVersion :status'
));

// [2017-05-14 19:23:33] GET /index.html HTTP/1.1 200

option

用于修改字段的输出，或增加字段。

app.use(logger(
    '[:date :when :time] :method :url'
), {

  // 自己增加新的when字段，并加入到format参数中。
  when: function (req, res) { // 可接收到request和response对象。
    return (new Date().getHours() >= 12) ? '下午' : '上午';
  },

  // 重写method方法
  method: function (req, res) {
    return req.method.toLowerCase();
  }
  
});

// [2017-05-14 上午 10:22:29] get /index.html