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--save`\n\n### modules\n\n+ [log4js](https://log4js-node.github.io/log4js-node/) \n+ [moment](http://momentjs.com/)\n+ [node-schedule](https://github.com/node-schedule/node-schedule)\n+ [nodemailer](https://github.com/nodemailer/nodemailer)\n\n### use\n\n#### 1.在入口文件，app.js中使用\n\n`app.js`:\n\n\u003e 1.需要先引入`logger-email/config`,配置log和email的参数；\n\u003e 2.配置完日志和邮箱的参数后，才可以`require('logger-email')`，否则配置不生效;\n\n```sh\nvar loggerConfig = require('logger-email/config');\n// 设置日志配置项\nloggerConfig.setLogConfig({\n    compress: true, //是否在生成第二个文件时将上一个压缩 如：error_2018-10-30.log.gz\n    logPath: path.join(__dirname,'./defaultlogs/'),\n    daysToKeep: 7,//保存7天,log4不起作用，单独方法删除文件\n    attachments: true,// true 为发送附件，默认false\n    onLineLink: 'http://127.0.1:3000/defaultlogs/' // send:link\u003crequired\u003e 可访问的域名地址，查看日志用\n});\n\n// 设置邮件配置项（如果需要发送邮件）\nloggerConfig.setEmailConfig({\n    host: 'smtp.exmail.qq.com',\n    port: 465,\n    secure: true,// true for 465, false for other ports\n    user: 'user email', // generated ethereal user\n    pass: 'password', // generated ethereal password \n    from: 'sender email address', // sender address\n    to: '**@163.com,**@qq.com', // list of receivers 多个邮箱\",\"分开\n    canSend: true,//是否可以发送邮件（false：不发送；true:发送）\n    subject: 'test email subject'\n});\n\n// 要保证链接能访问到日志,这里的 `/defaultlogs` 路由要和 `loggerConfig.setLogConfig`中配置的`onLineLink`保持一直，否则邮件中的日志地址就不正确了\napp.use('/defaultlogs',express.static(path.join(__dirname, '../defaultlogs')));\n\n// 这句一定要在配置完`setLogConfig`和`setEmailConfig`后出现，否则配置会不生效,其他js需要引入时可以直接引入\nvar logger = require('logger-email');\n```\n\n#### 2. 捕获全局异常请求\n\n\u003e 3.在`app.js`中的全局catch error 方法里捕获异常；\n```sh\n// catch 404 and forward to error handler\napp.use(function (req, res, next) {\n    var err = new Error('Not Found');\n    err.status = 404;\n    next(err);\n});\n\n// error handler\napp.use(function (err, req, res, next) {\n    // output error logs \n    logger.template.appJsError(err,req);\n    // set locals, only providing error in development\n    res.statusCode = 404;\n    res.render('error',{\n        content: err\n    });\n});\n```\n\n#### 3. 捕获ejs报错，导致页面空白\n\n```sh\n\nvar logger = require('logger-email');\nvar manualLog = logger.getLogger('manual'); // 手动输出\n\napp.use('/home',function (req,res,next){\n    res.render('index',{\n        title: 'aha'\n    },function (err,html){\n        if (err){\n            logger.template.ejsRenderError({\n                page:'/home',\n                req: req,\n                error: err\n            });\n        }\n        res.send(html);\n    });\n})\n```\n\n### 使用模板\n\n\n\u003e logger.template.appJsError(err,req); app.js中捕获异常用\n\u003e logger.template.emailLogger(object); 调用时会保存日志同时发送邮件到指定的邮箱\n\u003e logger.template.requestCatchError(object); 请求接口时try catch 到error时使用\n\u003e logger.template.requestError(object); 请求接口时状态异常使用\n\u003e logger.template.ejsRenderError(object); ejs 渲染参数出错，导致空白页面时用\n\n###### 格式：\n\n+ `appJsError`\n```sh\n/**\n * @param {Object} err 捕获到的错误信息\n * @param {Object} req request\n */\nlogger.template.appJsError(err,req);\n```\n\n+ `requestError` || `requestCatchError` || `requestError`\n```sh\n/**\n * @param {Number} durTime 接口耗时\n * @param {String} method：请求方法\n * @param {Object} req：request\n * @param {String} url: 接口地址或者页面地址\n * @param {Object} urlPara：请求参数\n * @param {Any} error：error信息\n * @param {Any} body：返回数据\n */\nlogger.template.requestError({\n                    durTime: durTime, \n                    method: 'post',\n                    req: request,\n                    url: url,\n                    urlPara: urlPara,\n                    error: err,\n                    body: body\n                });\n```\n\n+ `ejsRenderError` 调用这个方法时会发送日志到指定邮箱\n```sh\n/**\n * @param {String} page 当前渲染ejs模板的模板路径\n * @param {Object} req：request\n * @param {Any} error：error信息\n */\nlogger.template.requestError({\n                    page: '当前ejs模板地址',\n\t\t\t\t\treq: request,\n\t\t\t\t\terror: error信息\n                });\n```\n\n### 输出日志对应关系\n\u003e level : [trace,debug,info,warn,error,fatal]\n\n\u003e 默认logger 为 ：`var logger = require('logger-email');`\n+ var errorLog = logger.getLogger('error'); // errorLog.error('logs'); || errorLog.fatal('logs'); 能保存到日志文件\n+ var requestLog = logger.getLogger('request'); // requestLog.error('logs'); || requestLog.fatal('logs'); 能保存到日志文件\n+ var manualLog = logger.getLogger('manual'); // manualLog.warn('logs'); || manualLog.error('logs');|| manualLog.fatal('logs'); 能保存到日志文件\n+ var defaultLog = logger.getLogger('default'); // 只在控制台输出，不保存到日志文件\n\n+ 以上`errorLog`,`requestLog`,`manualLog`会输出日志到对应的文件：\n`errorLog`-------------\u003e `/defaultlogs/error/error_2018-12-06.log`\n`requestLog`-----------\u003e `/defaultlogs/request/request_2018-12-06.log`\n`manualLog`------------\u003e `/defaultlogs/manual/manual_2018-12-06.log`\n\n### app.js 完整代码：\n```sh\nvar express = require('express');\nvar path = require('path');\nvar fs = require('fs');\nvar router = express.Router();\nvar app = express();\n\nvar loggerConfig = require('logger-email/config');\n// 设置日志配置项\nloggerConfig.setLogConfig({\n    compress: true, //是否在生成第二个文件时将上一个压缩 如：error_2018-10-30.log.gz\n    logPath: path.join(__dirname,'./defaultlogs/'),\n    daysToKeep: 7,//保存7天,log4不起作用，单独方法删除文件\n    attachments: true,// true 为发送附件，默认false\n    onLineLink: 'http://127.0.1:3000/defaultlogs/' // send:link\u003crequired\u003e 可访问的域名地址，查看日志用\n});\n\n// 设置邮件配置项（如果需要发送邮件）\nloggerConfig.setEmailConfig({\n    host: 'smtp.exmail.qq.com',\n    port: 465,\n    secure: true,// true for 465, false for other ports\n    user: '****@qq.com', // generated ethereal user\n    pass: '****', // generated ethereal password \n    from: '****@qq.com', // sender address\n    to: '***@163.com', // list of receivers 多个邮箱\",\"分开\n    canSend: true,//是否可以发送邮件（false：不发送；true:发送）\n    subject: '测试邮件啊啊',\n});\n\n// 要保证链接能访问到日志\napp.use('/defaultlogs',express.static(path.join(__dirname, '../defaultlogs')));\n\nvar logger = require('logger-email');\nvar manualLog = logger.getLogger('manual'); // 手动输出\nlogger.sendDayLog();// 每日定时发送邮件\nlogger.appLogger(app); // 控制台输出日志\n\napp.set('views', path.join(__dirname, 'views'));\napp.set('view engine', 'ejs');\n\napp.use('/home',function (req,res,next){\n    res.render('index',{\n        title: 'aha'\n    },function (err,html){\n        manualLog.error(\"出错了\");\n        if (err){\n            logger.template.ejsRenderError({\n                page:'/home',\n                req: req,\n                error: err\n            });\n        }\n        res.send(html);\n    });\n})\n\n// catch 404 and forward to error handler\napp.use(function (req, res, next) {\n    var err = new Error('Not Found');\n    err.status = 404;\n    next(err);\n});\n\n// error handler\napp.use(function (err, req, res, next) {\n    // output error logs \n    logger.template.appJsError(err,req);\n    // set locals, only providing error in development\n    res.statusCode = 404;\n    res.render('error',{\n        content: err\n    });\n});\n\napp.listen(3000,function (){\n    console.log(`server is running at: \n    \\n =============================== \n    \\n ^_^ logs ^_^\n    \\n http://127.0.0.1:3000 \n    \\n ===============================`);\n});\n\n```\n## License\n---\nlogger-email is licensed under the MIT license\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdai1254473705%2Flogger-email","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fdai1254473705%2Flogger-email","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fdai1254473705%2Flogger-email/lists"}