1.預熱階段:以qq郵箱爲例
(1)點擊設置,切換到賬戶界面。
(2)下拉至POP3/IMAP/SMTP/Exchange/CardDAV/CalDAV服務,開啓POP3/SMTP選項。(獲取授權碼,保存!)
2.發送階段:
(1)引入jar包依賴:
<!-- 郵件 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
(2)application.yml配置郵箱信息:
spring:
#配置郵箱基本信息
mail:
#配置 SMTP 服務器地址
host: smtp.qq.com
#SMTP 服務器的端口
port: 587
#配置郵箱用戶名
username: [email protected]
#配置密碼(POP3/SMTP授權碼)
password: fhfffugewpzmeaic
#默認的郵件編碼
default-encoding: UTF-8
properties:
mail:
smtp:
#配飾 SSL 加密工廠
socketFactoryClass: javax.net.ssl.SSLSocketFactory
#開啓 DEBUG 模式:發送郵件時打印日誌
debug: true
(3)發送郵件:
郵件一:
@Autowired
JavaMailSender javaMailSender;
@Test
public void sendSimpleMail() {
SimpleMailMessage message = new SimpleMailMessage();
#設置郵件主題
message.setSubject("一封測試郵件");
#設置郵件發送者
message.setFrom("[email protected]");
#設置郵件接收者(可多個)
message.setTo("[email protected]");
//郵件抄送人(可多個)
// message.setCc("[email protected]");
//郵件隱祕抄送人(可多個)
// message.setBcc("[email protected]");
#設置郵件發送日期
message.setSentDate(new Date());
#設置郵件的正文
message.setText("測試郵件信息");
#發送
javaMailSender.send(message);
}
效果展示如下:
郵件二:帶附件的郵件
@Test
public void sendAttachFileMail() throws MessagingException {
MimeMessage mimeMessage = javaMailSender.createMimeMessage();
MimeMessageHelper helper = new MimeMessageHelper(mimeMessage,true);
helper.setSubject("一封附件測試郵件");
helper.setFrom("[email protected]");
helper.setTo("[email protected]");
// helper.setCc("[email protected]");
// helper.setBcc("[email protected]");
helper.setSentDate(new Date());
helper.setText("測試郵件信息");
#郵箱附件地址
helper.addAttachment("javaPic.jpg",new File("C:\\Users\\Administrator\\Desktop\\任務\\1.png"));
javaMailSender.send(mimeMessage);
}
效果展示如下:
郵件三:Thymeleaf 作郵件模板
Thymeleaf 的自動化配置提供了一個 TemplateEngine,通過 TemplateEngine 可以方便的將 Thymeleaf 模板渲染爲 HTML。
a.引入jar包依賴:
<!-- Thymeleaf 依賴-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
b.在 resources/templates 目錄下創建一個 mail.html 作爲郵件發送模板:
<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<p>歡迎加入 CSDN 大家庭,您的基本信息如下:</p>
<table border="1" width="150">
<tr>
<td>姓名</td>
<td th:text="${userName}"></td>
</tr>
<tr>
<td>密碼</td>
<td th:text="${passWord}"></td>
</tr>
<tr>
<td>rel名字</td>
<td th:text="${realName}"></td>
</tr>
</table>
<br />
<div style="color: #FF0000">good good study、day day up</div>
</body>
</html>
c.郵件測試
@Autowired
TemplateEngine templateEngine;
@Test
public void sendThymeleafMail() throws MessagingException {
MimeMessage mimeMessage = javaMailSender.createMimeMessage();
MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true);
helper.setSubject("一封附件測試郵件");
helper.setFrom("[email protected]");
helper.setTo("[email protected]");
// helper.setCc("[email protected]");
// helper.setBcc("[email protected]");
helper.setSentDate(new Date());
Context context = new Context();
context.setVariable("userName", "尤雨溪");
context.setVariable("passWord","123456");
context.setVariable("realName", "vue");
String process = templateEngine.process("mail.html", context);
helper.setText(process,true);
javaMailSender.send(mimeMessage);
}
效果展示如下: