基于Springboot实现定时发送邮件功能

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.7.9</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.hazq</groupId>
    <artifactId>hazqoasystem</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>
    <name>hazqoasystem</name>
    <description>hazqoasystem</description>
    <properties>
        <java.version>1.8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
 
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-tomcat</artifactId>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
 
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-mail</artifactId>
        </dependency>
 
    </dependencies>
 
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>
 
</project>

@Slf4j
//加载类型开启类中，加载启动类上，开启整个项目
@EnableScheduling //是否开启
@Component
public class DutyScheduledConfig {
 
    @Autowired
    private JavaMailSender javaMailSender;//邮件发送引擎
 
    @Value("${spring.mail.username}")
    private String setFromEmail;
    //每天下午16:30分发送邮件消息。
    @Scheduled(cron="0 30 16 * * ?")
    public void process(){
      SimpleMailMessage message = new SimpleMailMessage();
      message.setFrom(setFromEmail);
      message.setTo(“123456@qq.com”);//你想发邮件给谁。
      message.setSubject("值班通知");//设置邮件主题
      message.setText("这里写的是邮件的内容。");
      javaMailSender.send(message);
      System.out.print(“邮件发送成功！”);
    }
}