Question

嗨，谢谢你，

我在main.js中使用以下功能发送联系我们的电子邮件。成功后，我只是重定向回家。

如何向客户端发送简单警报（＆＃34;电子邮件已发送：成功＆＃34;）;到客户端浏览器。

来自main.js的

app.use(bodyParser.json());

app.get('/sendMail', function(req, res){

 res.sendFile("index.html"); // html file is within public directory
});


    app.post('/sendMail',function(req,res){
   var username = req.body.name;
   var subject = req.body.subject;
   var fromEmail = req.body.email;
   var toEmail = 'support@domain.my';
   var bodyMessage = req.body.message;

  //  var htmlData = 'Hello:  ' + toEmail;

var mg = new Mailgun('key-0000000000000000000');
mg.sendText(fromEmail, toEmail,
  'CS: '+subject,
  bodyMessage,
  fromEmail, {},
  function(err) {
    if (err)res.send('NOT SENT: STRUGGLE EVERYDAY');
    else res.redirect('/');
    // res.json({success: true});
    // else     res.send('Success: EMAIL SENT From: '+fromEmail+'  -  To: '+toEmail);
}); 

});

从我的index.html页面按钮发送..

<!-- START CONTACT FORM -->

            <form method="POST" action="sendMail" accept-charset="UTF-8" class="contact-form" id="jvalidate" novalidate="novalidate"> 

                <div class="row">
                    <div class="col-sm-12 col-md-4">
                        <div class="field-holder">
                            <input class="form-control input-lg field" placeholder="John Snow" name="name" type="text">
                        </div>
                    </div>
                    <div class="col-sm-12 col-md-4">
                        <div class="field-holder">
                            <input class="form-control input-lg field" placeholder="yourEmail@Address.com" name="email" type="email">
                        </div>
                    </div>
                    <div class="col-sm-12 col-md-4">
                        <div class="field-holder">
                            <input class="form-control input-lg field" placeholder="Subject" name="subject" type="text">
                        </div>
                    </div>
                    <div class="col-md-12 col-xs-12">
                        <div class="field-holder">
                            <textarea class="form-control" placeholder="Some text" name="message" cols="50" rows="10"></textarea>
                        </div>
                    </div>

                    <div class="form-group">
                        <div class="col-md-12">  
                            <div class="alert alert-success" role="alert" style="display: none;">
                                Message has been successfully sent.
                            </div>
                            <div class="alert alert-danger" role="alert" style="display: none;">
                                <div class="alert-text">Server error</div>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="row">
                    <div class="col-md-12">
                        <button class="btn btn-primary btn-contact" type="submit" value="SEND MESSAGE">SEND MESSAGE</button>
                    </div>
                </div>
            </form>
            <!-- END CONTACT FORM -->

如果代码不允许，我可以为此安装任何模块吗？

节点和js的新功能。谢谢你的帮助。

Answer 1

res.json({success: true});

在前端，您可以使用promise(JavaScript,jQuery,AngularJs..Whatever)获得响应，并检查success属性以获取进一步的总线逻辑。

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