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egg-logfile

v1.0.0

Published

record single file log for eggjs

Downloads

3

Readme

egg-logfile

NPM version npm download

插件说明

在某些情况下,应用服务器上某些功能需要记录单独的文件日志。本插件基于egg-logger实现,通过简单的配置即可实现记录文件日志。默认只需要配置日志文件名。

Install

$ npm i egg-logfile --save

Usage

// {app_root}/config/plugin.js
exports.logfile = {
  enable: true,
  package: 'egg-logfile',
};

Configuration

// {app_root}/config/config.default.js
/**
 * egg-logfile default config
 * @member Config#logfile
 * @property {Boolean} singleFolder - 每个类型的日志是否单独放到一个文件夹,true表示单独放置
 * @property {String/Boolean} dateTime - 日志中每行记录前面增加时间的格式,false表示不自动记录时间
 * @property {Array} logs - 需要记录的日志文件名字,只有配置过的文件
 */
exports.logfile = {
  singleFolder: true,
  dateTime: 'YYYY-MM-DD HH:mm:ss,SSS',
  logs: [],
};

see config/config.default.js for more detail.

Example

应用配置

// {app_root}/config/config.default.js
  exports.logfile = {
    logs: [
      'login',
    ],
  }

导出函数原型

  /**
   * 记录文件日志
   * 此函数会导出到app和ctx对象中,可以直接使用ctx.logfile或者app.logfile记录日志
   * 
   * ctx.logfile('filename', fmt, args);
   * app.logfile('filename', fmt, args);
   *
   * @param {string} filename - 日志文件名字
   * @param {string} fmt - 日志格式字符串或者直接是日志信息。
   * @param {array} args - [可选]可变参数,格式字符串参数
   */
  logfile(filename, fmt, ...args);

调用

  // 在需要记录日志的地方知道调用
  ctx.logfile('login', '%s,%s', ctx.userId, ctx.traceId);

see test/fixtures/apps/logfile-test for more detail.

Questions & Suggestions

Please open an issue here.

License

MIT