springboot mail发送邮件excel

要在Spring Boot中使用邮件发送Excel附件，你可以按照以下步骤进行操作：

1. 首先，你需要在Spring Boot项目的依赖中添加邮件发送的相关库。你可以在pom.xml文件中添加如下代码：

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-mail</artifactId>
</dependency>

2. 接下来，在你的配置文件(application.properties 或 application.yml)中配置邮件发送的相关信息，例如：

spring.mail.host=smtp.163.com
spring.mail.port=25
spring.mail.username=your-email@example.com
spring.mail.password=your-email-password

3. 在你的代码中，你可以使用JavaMailSender来发送邮件。你可以创建一个邮件附件，并将其添加到邮件中。下面是一个示例方法：

@Autowired
private JavaMailSender mailSender;

public void sendEmailWithAttachment() throws MessagingException {
    MimeMessage message = mailSender.createMimeMessage();
    MimeMessageHelper helper = new MimeMessageHelper(message, true);

    helper.setTo("recipient@example.com");
    helper.setSubject("Spring Boot Mail with Excel Attachment");
    helper.setText("Please find the attached Excel file.");

    // 创建邮件附件
    FileSystemResource file = new FileSystemResource(new File("path/to/excel/file.xlsx"));
    helper.addAttachment("excel-file.xlsx", file);

    mailSender.send(message);
}

在上面的示例中，你需要将"recipient@example.com"替换为收件人的邮箱地址，并将"path/to/excel/file.xlsx"替换为你要发送的Excel文件的路径。

这样，在调用sendEmailWithAttachment()方法时，就会发送包含Excel附件的邮件了。<span class="em">1</span><span class="em">2</span>
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