springboot利用线程池实现邮件发送

骑猪看日落 2022-02-22 16:44 190阅读 0赞

最近实现一个邮件推送功能，整理如下:

1  编写线程类实现runnable接口:（其中JavaMailUtil为封装的发送邮件工具类）

import lombok.Data;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Component;
    
    /**
     * @author an-ping
     * @date 2019/3/31
     */
    @Data
    public class MailThread implements   Runnable {
        String to;
        String subject;
        String name;
        String company;
        String photo;
        int jid;
        public MailThread( String to, String subject, String name, String company, String photo, int jid) {
            this.to = to;
            this.subject = subject;
            this.name = name;
            this.company = company;
            this.photo = photo;
            this.jid = jid;
        }
        JavaMailUtil javaMailUtil=(JavaMailUtil) ApplicationContextProvider.getBean("javaMailUtil");
        @Override
        public void run() {
                javaMailUtil.sendTemplateMail(to,subject,name,company,photo,jid);
        }
    }

2 JavaMailUtil为发送邮件工具类:

import org.apache.catalina.webresources.FileResource;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.beans.factory.annotation.Value;
    import org.springframework.core.io.FileSystemResource;
    import org.springframework.mail.MailException;
    import org.springframework.mail.SimpleMailMessage;
    import org.springframework.mail.javamail.JavaMailSender;
    import org.springframework.mail.javamail.MimeMessageHelper;
    import org.springframework.stereotype.Component;
    import org.thymeleaf.IEngineConfiguration;
    import org.thymeleaf.TemplateEngine;
    import org.thymeleaf.context.Context;
    import org.thymeleaf.spring5.templateresolver.SpringResourceTemplateResolver;
    import org.thymeleaf.templatemode.TemplateMode;
    import org.thymeleaf.templateresolver.ITemplateResolver;
    import org.thymeleaf.templateresolver.ServletContextTemplateResolver;
    import org.thymeleaf.templateresolver.TemplateResolution;
    
    import javax.mail.MessagingException;
    import javax.mail.internet.MimeMessage;
    import java.io.File;
    import java.util.Map;
    
    /**
     * @author an-ping
     * @date 2018/12/4
     */
    @Component
    
    public class JavaMailUtil  {
        @Autowired
         JavaMailSender MailSender;
    
        public JavaMailSender getMailSender() {
            return MailSender;
        }
    
        public void setMailSender(JavaMailSender mailSender) {
            MailSender = mailSender;
        }
    
        public TemplateEngine getTemplateEngine() {
            return templateEngine;
        }
    
        public void setTemplateEngine(TemplateEngine templateEngine) {
            this.templateEngine = templateEngine;
        }
    
        @Value("${mail.fromMail.addr}")
        private String from="tap3249899068@163.com";
    
        //发送简单消息
        public   int sendSimpleMail(String to,String text,String subject){
            SimpleMailMessage simpleMailMessage=new SimpleMailMessage();
            simpleMailMessage.setFrom(from);
            simpleMailMessage.setTo(to);
            simpleMailMessage.setSubject(subject);
            simpleMailMessage.setText(text);
    
            try {
                System.out.println(simpleMailMessage);
                System.out.println(MailSender);
                MailSender.send(simpleMailMessage);
                return 1;//发送成功
            } catch (MailException e) {
                e.printStackTrace();
                return 0;//发送失败
            }
    
        }
    
    //发送html格式文本
        public int sendHtmlMail(String to,String subject,String text){
            MimeMessage mimeMessage=MailSender.createMimeMessage();
            try {
                MimeMessageHelper mimeMessageHelper=new MimeMessageHelper(mimeMessage,true);
                mimeMessageHelper.setFrom(from);
                mimeMessageHelper.setTo(to);
                mimeMessageHelper.setSubject(subject);
                mimeMessageHelper.setText(text,true);//html格式为true
                MailSender.send(mimeMessage);
                return 1;
            } catch (MessagingException e) {
                e.printStackTrace();
                return 0;
            }
    
    
        }
    
    
        public int sendAttachMail(String to,String text,String subject,String path){
            MimeMessage mimeMessage=MailSender.createMimeMessage();
            try {
                MimeMessageHelper mimeMessageHelper=new MimeMessageHelper(mimeMessage,true,"utf-8");
                mimeMessageHelper.setFrom(from);
                mimeMessageHelper.setText(text,true);
                mimeMessageHelper.setSubject(subject);
                mimeMessageHelper.setTo(to);
                FileSystemResource fileSystemResource=new FileSystemResource(new File(path));
                String fileName=path.substring(path.lastIndexOf(File.separator));
                mimeMessageHelper.addAttachment(fileName,fileSystemResource);
                MailSender.send(mimeMessage);
                return 1;
    
            } catch (MessagingException e) {
                e.printStackTrace();
                return 0;
            }
    
        }
    
    
    
        public int sendPicMail(String to,String text,String subject,String path,String id){
            MimeMessage mimeMessage=MailSender.createMimeMessage();
            try {
                MimeMessageHelper mimeMessageHelper=new MimeMessageHelper(mimeMessage,true);
                mimeMessageHelper.setTo(to);
                mimeMessageHelper.setFrom(from);
                mimeMessageHelper.setText(text,true);
                mimeMessageHelper.setSubject(subject);
                FileSystemResource fileSystemResource=new FileSystemResource(new File(path));
                mimeMessageHelper.addInline(id,fileSystemResource);
                MailSender.send(mimeMessage);
                return 1;
    
    
            } catch (MessagingException e) {
                e.printStackTrace();
                return 0;
            }
    
        }
    @Autowired
    TemplateEngine templateEngine;
    
        public int sendTemplateMail(String to,String subject,String name,String company,String photo,int jid){
            //创建邮件正文
            Context context = new Context();
            context.setVariable("name", name);
            context.setVariable("company", company);
            context.setVariable("url", "http://www.tap2019.top:2019/front/jobpage.action?"+jid);
            context.setVariable("photo","http://www.tap2019.top:2019/"+photo);
            System.out.println(templateEngine+"模板引擎");
            String emailContent = templateEngine.process("j", context);
            int result=sendHtmlMail(to,subject,emailContent);
            return result;
        }
    
    }

3 控制层:

@RequestMapping(value="/tuiJobs.action",method = RequestMethod.POST)
       @ResponseBody
        public JsonMode tuiSend(String company,String photo,int jid){
           JsonMode  jsonMode=new JsonMode();
            TempPage<People> list= peopleService.findEmailAndName(new People());
            List peoplelist=list.getRows();
             People people=null;
    ExecutorService  executorService=new ThreadPoolExecutor(2,4,30, TimeUnit.SECONDS,new LinkedBlockingDeque<>(),new ThreadPoolExecutor.CallerRunsPolicy());
           try {
               for(int i=0;i<peoplelist.size();i++){
                  people=(People)peoplelist.get(i);
    
                   executorService.execute(new MailThread(people.getEmail(),"jobguru-职位推荐",people.getName(),company,photo,jid));
                  jsonMode.setCode(Common.Request_success);
    
               }
           } catch (Exception e) {
               jsonMode.setCode(Common.Request_fail);
               e.printStackTrace();
           }
    
    
           return jsonMode;
        }
    }

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