Spring boot 入门学习7. 使用Quartz和发邮件

SpringBoot可以使用XML配置或注解来定义和使用Quartz。

Quartz

Quartz是由Java编写的开源任务调试框架。

Quartz框架主要核心组件包括调度器、触发器、作业。调度器作为作业的总指挥，触发器作为作业的操作者，作业为应用的功能模块。

使用

maven

<dependency>
      <groupId>org.quartz-scheduler</groupId>
      <artifactId>quartz</artifactId>
      <version>2.2.3</version>
    </dependency>

注解方式使用示例

package com.xundh.demo.quartz;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

@Component
@Configurable
@EnableScheduling
public class TestTask {
  private static final Logger logger = LoggerFactory.getLogger(TestTask.class);
  
  @Scheduled(cron="*/5 * *  * * * ")
  public void reportCurrentByCron(){
    logger.info("time up");
  }
}

运行：

定时邮件使用示例

项目结构

maven

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

application.properties

spring.mail.host=smtp.163.com
spring.mail.username=youraccount@163.com
spring.mail.password=yourpassword
spring.mail.default-encoding=UTF-8
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true

SendMailService.java

package com.xundh.demo.mail;


public interface SendMailService {
  boolean sendJunkMail();
}

SendMailServiceImpl

package com.xundh.demo.mail;

import javax.mail.internet.MimeMessage;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;

@Service
public class SendMailServiceImpl implements SendMailService {
  @Autowired
  JavaMailSender mailSender;
  


  @Value("${spring.mail.username}")
  private String from;
  
  public boolean sendJunkMail() {
    MimeMessage mimeMessage = this.mailSender.createMimeMessage();
    MimeMessageHelper message = new MimeMessageHelper(mimeMessage);
    try{
      message.setFrom(from);
      message.setSubject("hello");
      message.setTo("xundh1@qq.com");
      message.setText("Hello xundh");
      this.mailSender.send(mimeMessage);
      return true;
    }
    catch(Exception e){
      return false;
    }
  }
  
}

定时发送

package com.xundh.demo.quartz;

import javax.annotation.Resource;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

import com.xundh.demo.mail.SendMailService;

@Component
@Configurable
@EnableScheduling
public class TestTask {
  private static final Logger logger = LoggerFactory.getLogger(TestTask.class);
  
  @Resource
  private SendMailService sendJunkMailService;
  
  @Scheduled(cron="*/15 * *  * * * ")
  public void reportCurrentByCron(){
    logger.info("time up");
    sendJunkMailService.sendJunkMail();
    
  }
}