使用nodemailer从表单发送邮件
[英]Sending mail from a form using nodemailer
问题描述
I just started out with node.js and wanted to do something with nodemailer. 
我刚开始使用node.js并想使用nodemailer做一些事情。 I've installed the packages (Oauth2, Express, Body-parser, Node, Nodemailer) using npm install (package name) 我已经使用npm install (package name)安装了软件包（Oauth2，Express，Body-parser，Node，Nodemailer npm install (package name)
The issues I have are when I try and get information from my HTML form by using req.body.subject it gives the error that it req is not defined. 我遇到的问题是，当我尝试使用req.body.subject从HTML表单中获取信息时，它给出了未定义req的错误。 (Sending a mail by doing node app.js in the cmd works fine and doesn't give any errors) （通过在cmd中执行node app.js发送邮件可以正常工作，并且不会出现任何错误）
C:\Users\Gebruiker\Desktop\nodemailer\app.js:31
subject: req.body.subject,
^
ReferenceError: req is not defined
at Object.<anonymous> (C:\Users\Gebruiker\Desktop\nodemailer\app.js:31:14)
at Module._compile (module.js:660:30)
at Object.Module._extensions..js (module.js:671:10)
at Module.load (module.js:573:32)
at tryModuleLoad (module.js:513:12)
at Function.Module._load (module.js:505:3)
at Function.Module.runMain (module.js:701:10)
at startup (bootstrap_node.js:190:16)
at bootstrap_node.js:662:3
PS C:\Users\Gebruiker\Desktop\nodemailer>
I have this error on my pc and on my server. 我的电脑和服务器上都出现此错误。 I have been searching for a answer for a while now and couldn't find a answer for my issue. 我一直在寻找答案已有一段时间，但找不到我的问题的答案。 I am sorry if I did something wrong in this post or that it isn't clear enough I am pretty new on here. 很抱歉，如果我在这篇文章中做错了什么，或者说不清楚，我在这里很陌生。
The code: 编码：
HTML form. HTML表单。
<html>
<head>
<script src="app.js"></script>
</head>
<form action="/send-email" method="post">
<ul class="inputs">
<li>
<label for="from">From</label>
<input type="text" id="from" name="from" />
</li>
<li>
<label for="to">To</label>
<input type="text" id="to" name="to" />
</li>
<li>
<label for="subject">Subject</label>
<input type="subject" id="subject" name="subject" />
</li>
<li>
<label for="message">Message</label>
<input type="message" id="message" name="message" />
</li>
<li>
<button>Send Request</button>
</li>
</ul>
</form>
</body>
</html>
Nodemailer code. Nodemailer代码。
var nodemailer = require('nodemailer');
var path = require('path');
var bodyParser = require('body-parser');
var express = require('express');
var OAuth2 = require('oauth2');
var app = express();
app.use(bodyParser.urlencoded({extended: true}));
app.use(bodyParser.json());
app.get('/', function (req, res) {
res.render('default');
});
const transporter = nodemailer.createTransport({
service: 'Gmail',
auth: {
type: 'OAuth2',
user: 'xxxx@gmail.com',
clientId: 'xxxx',
clientSecret: 'xxxx',
refreshToken: 'xxxx',
accessToken: 'xxxx',
},
});
var mailOptions = {
from: 'Xander <xxxx@gmail.com>',
to: req.body.to,
subject: req.body.subject,
html: 'Hello Planet! <br />Embedded image: <img src="cid: download.jpg"/>',
attachments: [{
filename: 'download.jpg',
path: 'download.jpg',
cid: 'download.jpg'
}]
}
transporter.sendMail(mailOptions, function(err, res){
if(err){
console.log('Mail not sent');
} else {
console.log('Mail sent');
}
});
I am sorry if the answer to this question is really simple and easy, this is my first real thing I am trying to do with nodemailer and node.js. 很抱歉，如果这个问题的答案真的很简单，这是我尝试使用nodemailer和node.js做的第一件事。
3 个解决方案
解决方案1
0 2018-02-26 09:21:19
var nodemailer = require('nodemailer');
var path = require('path');
var bodyParser = require('body-parser');
var express = require('express');
var OAuth2 = require('oauth2');
var app = express();
app.use(bodyParser.urlencoded({extended: true}));
app.use(bodyParser.json());
app.get('/', function (req, res) {
res.render('default');
});
app.post('/send-email', function (req, res) {
console.log(req);
const transporter = nodemailer.createTransport({
service: 'Gmail',
auth: {
type: 'OAuth2',
user: 'xxxx@gmail.com',
clientId: 'xxxx',
clientSecret: 'xxxx',
refreshToken: 'xxxx',
accessToken: 'xxxx',
},
});
var mailOptions = {
from: 'Xander <xxxx@gmail.com>',
to: req.body.to,
subject: req.body.subject,
html: 'Hello Planet! <br />Embedded image: <img src="cid: download.jpg"/>',
attachments: [{
filename: 'download.jpg',
path: 'download.jpg',
cid: 'download.jpg'
}]
}
transporter.sendMail(mailOptions, function(err, res){
if(err){
console.log('Mail not sent');
} else {
console.log('Mail sent');
}
});
});
解决方案2
0 已采纳 2018-02-26 09:21:53
req is really not defined in your code, and i guess that you what to send email when you click the button rather than send the email when server startup, then request the /send-email API to send the email. req确实没有在您的代码中定义，我想您是单击按钮时发送电子邮件的内容，而不是在服务器启动时发送电子邮件的内容，然后请求/send-email API发送电子邮件。
app.post('/send-email', function(req, res) {
var mailOptions = {
from: 'Xander <xxxx@gmail.com>',
to: req.body.to,
subject: req.body.subject,
html: 'Hello Planet! <br />Embedded image: <img src="cid: download.jpg"/>',
attachments: [{
filename: 'download.jpg',
path: 'download.jpg',
cid: 'download.jpg'
}]
}
transporter.sendMail(mailOptions, function(err, res) {
if (err) {
console.log('Mail not sent');
} else {
console.log('Mail sent');
}
});
});
解决方案3
0 2018-02-26 09:22:40
I cannot see the "/send-email" POST api exposed in your code. 我看不到您的代码中公开的“ / send-email” POST API。 You have to define a route for the same, as in your case /send-email POST api is called from HTML, so you should have the route defined for it in your js file. 您必须为此定义一个路由，就像从HTML调用/ send-email POST api一样，因此您应该在js文件中为其定义路由。 Then you can access req object inside your app.post api implementation. 然后，您可以在app.post api实现中访问req对象。 Below is the sample code. 下面是示例代码。
// define a route that will send email
app.post('/send-email', function(req, res) {
//Here you can access req parameter
var body = req.body;
//WRITE HERE ALL CODE THAT IS RESPONSIBLE FOR SENDING EMAIL
//I am copying your above code of nodemailer that actually sends email, some correction may be required
const transporter = nodemailer.createTransport({
service: 'Gmail',
auth: {
type: 'OAuth2',
user: 'xxxx@gmail.com',
clientId: 'xxxx',
clientSecret: 'xxxx',
refreshToken: 'xxxx',
accessToken: 'xxxx',
},
});
var mailOptions = {
from: 'Xander <xxxx@gmail.com>',
to: req.body.to,
subject: req.body.subject,
html: 'Hello Planet! <br />Embedded image: <img src="cid: download.jpg"/>',
attachments: [{
filename: 'download.jpg',
path: 'download.jpg',
cid: 'download.jpg'
}]
}
transporter.sendMail(mailOptions, function(err, res){
if(err){
console.log('Mail not sent');
} else {
console.log('Mail sent');
}
});
});
// listen for all incoming requests
app.listen(3000, function(){
console.log("Server is listening on port 3000");
});
声明:本站的技术帖子网页，遵循CC BY-SA 4.0协议，如果您需要转载，请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.