利用GmailAPI实现Node.js定时自动发送邮件功能

# 生成 package.json 文件
npm init -y
# 安装 nodemailer 和 node-schedule
npm i nodemailer node-schedule -S

// index.js
"use strict";
const nodemailer &＃61; require("nodemailer");
const schedule &＃61; require("node-schedule");
​
async function main() {let transporter &＃61; nodemailer.createTransport({host: "smtp.qq.com",port: 465, // SMTP 端口secure: true, // true for 465, false for other portsauth: {user: &＃39;xxxx&＃64;qq.com&＃39;, // 发送者的邮箱,我这里选择 qq 邮箱pass: &＃39;xxxxx&＃39;, // SMTP 授权码&＃xff0c;可以去具体的邮箱设置里面获取},});
​// send mail with defined transport objectlet info &＃61; await transporter.sendMail({from: &＃39;Fred Foo &＃39;, // 发送者的昵称和邮箱地址to: "xxx&＃64;gmail.com, xxx&＃64;qq.com", // 接收者,可写多个接受者subject: "Hello ✔", // 邮件主题text: "老板: 下班来我办公司一趟!", // 主体html: &＃39;html&＃39;, // 可以发送html});
​console.log("Message sent: %s", info.messageId);// Message sent:
​// Preview only available when sending through an Ethereal accountconsole.log("Preview URL: %s", nodemailer.getTestMessageUrl(info));// Preview URL: https://ethereal.email/message/WaQKMgKddxQDoou...
}
​
main()


node index.js
​
Message sent: <90fcd98d-d4fe-520e-0a5c-3a3d1b315091&＃64;qq.com>
Preview URL: false

var schedule &＃61; require("node-schedule");
​
//1. 确定的时间执行
var date &＃61; new Date(2017,12,10,15,50,0);
schedule.scheduleJob(date, function(){ console.log("执行任务");
});
​
//2. 秒为单位执行
//比如:每5秒执行一次
var rule1 &＃61; new schedule.RecurrenceRule();
var times1 &＃61; [1,6,11,16,21,26,31,36,41,46,51,56];
rule1.second &＃61; times1;
schedule.scheduleJob(rule1, function(){console.log("执行任务");
});
​
//3.以分为单位执行
//比如:每5分种执行一次
var rule2 &＃61; new schedule.RecurrenceRule();
var times2 &＃61; [1,6,11,16,21,26,31,36,41,46,51,56];
rule2.minute &＃61; times2;
schedule.scheduleJob(rule2, function(){ console.log("执行任务");
});
​
//4.以天单位执行
//比如:每天6点30分执行
var rule &＃61; new schedule.RecurrenceRule();
rule.dayOfWeek &＃61; [0, new schedule.Range(1, 6)];
rule.hour &＃61; 6;
rule.minute &＃61;30;
var j &＃61; schedule.scheduleJob(rule, function(){console.log("执行任务");getData();
});


// index.js
"use strict";
const nodemailer &＃61; require("nodemailer");
const schedule &＃61; require("node-schedule");
​
async function main() {let transporter &＃61; nodemailer.createTransport({host: "smtp.qq.com",port: 465, // SMTP 端口secure: true, // true for 465, false for other portsauth: {user: &＃39;xxxx&＃64;qq.com&＃39;, // 发送者的邮箱,我这里选择 qq 邮箱pass: &＃39;xxxxx&＃39;, // SMTP 授权码&＃xff0c;可以去具体的邮箱设置里面获取},});let info &＃61; await transporter.sendMail({from: &＃39;Fred Foo &＃39;, // 发送者的昵称和邮箱地址to: "xxx&＃64;gmail.com, xxx&＃64;qq.com", // 接收者,可写多个接受者subject: "Hello ✔", // 邮件主题text: "老板: 下班来我办公司一趟!", // 主体html: &＃39;html&＃39;, // 可以发送html});
​console.log("Message sent: %s", info.messageId);// Message sent: console.log("Preview URL: %s", nodemailer.getTestMessageUrl(info));// Preview URL: https://ethereal.email/message/WaQKMgKddxQDoou...
}
​
// 每五秒发送一次
var rule &＃61; new schedule.RecurrenceRule()
var times &＃61; [1,6,11,16,21,26,31,36,41,46,51,56]
rule.second &＃61; times
schedule.scheduleJob(rule1, function(){main()
})