{"id":14989463,"url":"https://github.com/xrian/koa-log4js-example","last_synced_at":"2025-04-12T01:16:26.801Z","repository":{"id":143932479,"uuid":"138161351","full_name":"xrian/koa-log4js-example","owner":"xrian","description":"koa 整合 log4js 例子","archived":false,"fork":false,"pushed_at":"2018-06-21T12:33:22.000Z","size":6,"stargazers_count":7,"open_issues_count":0,"forks_count":2,"subscribers_count":0,"default_branch":"master","last_synced_at":"2025-04-12T01:16:25.736Z","etag":null,"topics":["koa","koajs","log4j2","log4js","log4js-node"],"latest_commit_sha":null,"homepage":null,"language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/xrian.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2018-06-21T11:27:01.000Z","updated_at":"2019-08-01T07:32:45.000Z","dependencies_parsed_at":null,"dependency_job_id":"b3f400e7-fe1f-4071-8ae6-c05fa1552820","html_url":"https://github.com/xrian/koa-log4js-example","commit_stats":{"total_commits":4,"total_committers":1,"mean_commits":4.0,"dds":0.0,"last_synced_commit":"0803d0df2ad7849976771fffc520f62325216d2b"},"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/xrian%2Fkoa-log4js-example","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/xrian%2Fkoa-log4js-example/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/xrian%2Fkoa-log4js-example/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/xrian%2Fkoa-log4js-example/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/xrian","download_url":"https://codeload.github.com/xrian/koa-log4js-example/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":248501858,"owners_count":21114684,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["koa","koajs","log4j2","log4js","log4js-node"],"created_at":"2024-09-24T14:18:24.735Z","updated_at":"2025-04-12T01:16:26.772Z","avatar_url":"https://github.com/xrian.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# koa-log4j2-example\nkoa 整合 [log4js](https://github.com/log4js-node/log4js-node) 例子\n[文档地址](https://log4js-node.github.io/log4js-node/)\u003cbr\u003e\n\n\n\n想使用 koa 做 web 框架,在找日志模块,找了些,都没有自己满意的\n按理说,express 支持的中间件,koa 也会支持的.但是看了些别人将 koa 和 log4js 整合的例子,好复杂(想不通他们是怎么写的),于是就自己写了个 demo 传上来.\n\n## 运行 Demo\n安装依赖\n```\nnpm install\n```\n启动\n```\nnpm start\n```\n启动后访问localhost:3000,再查看项目中的log文件夹,里面就生成了三个文件,并保存有日志\n\n## 如何将 log4js 加入到 koa 中\n使用 koa 的 use 方法调用`src\\common\\logger`,然后就可以使用log4js输出日志了\n记得,调用`log4js.configure(path.resolve(__dirname, '..', 'config', 'log4j.json'));`的代码要在项目启动前加载,不然可能会造成生成的日志没有保存到文件中\n简单来说,就是,这段代码,越早执行越好\n\n## 配置文件说明\nsrc\\config\\log4j.json是配置文件\n配置了三个类别\n一个是http请求日志,相当于tomcat的access日志,当日志到达30M时,重新生成一个新的文件\n一个是保存debug和info级别的日志.每天生成一个新的文件\n一个是保存error及以上等级的日志.每天生成一个新的文件\n## 使用log4j\n```\nvar log4js = require('log4js');\n```\n这样,就可以在项目中的其他地方使用log4j输出日志了.\n```\nvar logger = require('log4js').getLogger(\"index\");\nlogger.info('');\nlogger.error('');\n```\n\n\n\n\n\nps: 大概是一年前的这时候,刚换公司,开始写 node,用的是 express,使用的过程中,想把日志模块加入到 express 中\n因为之前写 java 都是用的 log4j,对于 log4j 的配置项都熟悉,所以就找了 log4js 这个模块\n因为那时候 log4js 刚发布2.X 版本不久吧,2.X版本的配置很少,我就写了个 demo 传了上来,这一年来,那个项目陆陆续续竟然收到了10个 star😂\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fxrian%2Fkoa-log4js-example","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fxrian%2Fkoa-log4js-example","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fxrian%2Fkoa-log4js-example/lists"}