如何使用jade＆express將cdnjs css或external css應用於nodemailer html模板

Question

我試圖使用節點郵件發送郵件。獲取的HTML標記，從通過外部file.External文件的HTML模板玉，就是利用文件流和正常顯示，而無論通過maxcdn插入或cdnjs的風格並不反映

在這種情況下如何應用CSS或者是有編制任何其他替代方法來實現這種情況。

玉模板

doctype html 
html 
    head 
    title Application confirmation 
    link(rel='stylesheet', type='text/css', href='https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css') 
    body 
    .container 
     .row 
     .col-md-4 
      p Thank you for registering with us you applucation submitted succesfully 
     .row 
     .col-md-4 
      p Thanks, 
      p SnapCode Team 

節點服務器代碼

var nodemailer = require('nodemailer'); 
var config_urls = require("../configfile"); 
var fs = require('fs'); 
var jade = require('jade'); 


function readFile() { 
    var template = process.cwd() + '/public/mailTemplate/confirmation.jade'; 
    console.log('template', template); 
    fs.readFile(template, 'utf-8', function(err, file) { 
     if (err) { 
      console.log('Template file not found!', template); 
     } else { 
      var compiledTmpl = jade.compile(file, { filename: template }); 
      htmlToSend = compiledTmpl(context); 
      return htmlToSend; 
     } 
    }); 
} 


module.exports = { 

    SendMail: function(email, app_id, callback) { 
     var template = process.cwd() + '/public/mailTemplate/confirmation.jade'; 
     fs.readFile(template, 'utf-8', function(err, file) { 
      if (err) { 
       console.log('Template file not found!', template); 
      } else { 
       var compiledTmpl = jade.compile(file, { filename: template }); 
       htmlToSend = compiledTmpl(context); 

       var transporter = nodemailer.createTransport({ 
        host: config_urls.url.host, 
        port: config_urls.url.port, 
        secure: true, 
        auth: { 
         user: config_urls.url.gmailID, 
         pass: config_urls.url.gmailPassword 
        } 
       }); 

       var mailOptions = { 
        from: config_urls.url.gmailID, 
        to: email, 
        subject: 'Application Confirmation', 
        html: htmlToSend 
       }; 

       transporter.sendMail(mailOptions, function(error, info) { 
        if (error) { 
         console.log(error); 
         return callback(Result = "false"); 
        } 
        console.log('Message sent: ' + info.response); 
        return callback(Result = "true"); 
       }); 
      } 
     }); 
    }, 
}; //end of function 

Answer 1

據我所知，無論是PHP郵件功能或節點的郵件功能（我曾嘗試在兩個及工作與兩者），我們不能添加外部CSS。我們所能做的就是在需要的地方編寫內聯樣式，或者編寫像

<style> 
//styles here 
</style> 

我希望有所幫助。請保持更新。謝謝。