邮件发送（qq邮箱）

1.先配置自己的邮箱，获取校验码，将自己的邮箱配置成客户端

查看：

2.配置application.yml文件

spring:mail:#发送邮件服务器host: smtp.qq.com#邮箱用户名username: @qq.com#邮箱授权码password: ***********#字符编码default-encoding: utf-8

3.创建一个实体类，接受前台传参数据

package com.ds.entity;import java.io.Serializable;public class Mail implements Serializable {private String mail;//邮箱账号private String topic;//主题private String message;//内容或者html页面内容private String fileid;//fileidpublic Mail() {}public Mail(String mail, String topic, String message, String fileid) {this.mail = mail;this.topic = topic;this.message = message;this.fileid = fileid;}public String getMail() {return mail;}public void setMail(String mail) {this.mail = mail;}public String getTopic() {return topic;}public void setTopic(String topic) {this.topic = topic;}public String getMessage() {return message;}public void setMessage(String message) {this.message = message;}public String getFileid() {return fileid;}public void setFileid(String fileid) {this.fileid = fileid;}
}

4.创建service接口

package com.ds.service;public interface MailService {/*** 发送文本邮件* @param to 收件人* @param subject 主题* @param content 内容*/void sendSimpleMail(String to, String subject, String content);/*** 发送HTML邮件* @param to 收件人* @param subject 主题* @param content 内容*/void sendHtmlMail(String to, String subject, String content);/*** 发送带附件的邮件* @param to 收件人* @param subject 主题* @param content 内容* @param filePath 附件*/public void sendAttachmentsMail(String to, String subject, String content, String filePath);
}

5.创建serviceimpl实现类

package com.ds.service.impl;import com.ds.service.MailService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.io.File;@Service
@Slf4j
public class MailServiceImpl implements MailService {@Autowiredprivate JavaMailSender javaMailSender;//注入配置文件中配置的信息——>from@Value("${spring.mail.username}")private String from;/*** 发送文本邮件* @param to 收件人* @param subject 主题* @param content 内容*/@Overridepublic void sendSimpleMail(String to, String subject, String content) {log.info("发送文本邮件---->");log.info("发送邮件至："+to);log.info("发送邮件主题："+subject);log.info("发送文本内容："+content);SimpleMailMessage message = new SimpleMailMessage();//发件人message.setFrom(from);//收件人message.setTo(to);//邮件主题message.setSubject(subject);//邮件内容message.setText(content);//发送邮件javaMailSender.send(message);}/*** 发送HTML邮件* @param to 收件人* @param subject 主题* @param content 内容*/@Overridepublic void sendHtmlMail(String to, String subject, String content) {MimeMessage message = javaMailSender.createMimeMessage();MimeMessageHelper messageHelper;try {log.info("发送HTML邮件---->");log.info("发送邮件至："+to);log.info("发送邮件主题："+subject);log.info("发送文本内容："+content);messageHelper = new MimeMessageHelper(message,true);messageHelper.setFrom(from);messageHelper.setTo(to);message.setSubject(subject);messageHelper.setText(content,true);javaMailSender.send(message);log.info("邮件已经发送！");} catch (MessagingException e) {log.error("发送邮件时发生异常："+e);}}/*** 发送带附件的邮件* @param to 收件人* @param subject 主题* @param content 内容* @param filePath 附件*/@Overridepublic void sendAttachmentsMail(String to, String subject, String content, String filePath) {MimeMessage message = javaMailSender.createMimeMessage();MimeMessageHelper messageHelper;try {log.info("发送带附件邮件---->");log.info("发送邮件至："+to);log.info("发送邮件主题："+subject);log.info("发送文本内容："+content);messageHelper = new MimeMessageHelper(message,true);messageHelper.setFrom(from);messageHelper.setTo(to);messageHelper.setSubject(subject);messageHelper.setText(content,true);//携带附件FileSystemResource file = new FileSystemResource(filePath);if(file.exists()){//如果文件存在String fileName = filePath.substring(filePath.lastIndexOf(File.separator));messageHelper.addAttachment(fileName,file);}javaMailSender.send(message);log.info("邮件加附件发送成功！");} catch (MessagingException e) {log.error("发送失败："+e);}}
}

6.创建接口调用

package com.ds.controller;import com.ds.common.FilePath;
import com.ds.entity.File;
import com.ds.entity.Mail;
import com.ds.entity.RespBean;
import com.ds.service.FileService;
import com.ds.service.MailService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;@RestController
public class MailController {@Autowiredprivate JavaMailSender javaMailSender;@AutowiredMailService mailService;@AutowiredFileService fileService;@RequestMapping("/send")public String sendMail(){//测试用例SimpleMailMessage message = new SimpleMailMessage();message.setFrom("@qq.com");//发送人邮箱message.setTo("@qq.com");//收件人邮箱message.setSubject("11111111");//发送标题message.setText("笑笑笑");//发送内容try {javaMailSender.send(message);return "成功";}catch (Exception e){e.printStackTrace();return "失败";}}@RequestMapping("/sendSimpleMail")public RespBean sendSimpleMail(Mail mail){try {mailService.sendSimpleMail(mail.getMail(),mail.getTopic(),mail.getMessage());return RespBean.sucess("发送成功！");}catch (Exception e){e.printStackTrace();return RespBean.error("发送失败！");}}@RequestMapping("/sendHtmlMail")public RespBean sendHtmlMail(Mail mail){try {mailService.sendHtmlMail(mail.getMail(),mail.getTopic(),mail.getMessage());return RespBean.sucess("发送成功！");}catch (Exception e){e.printStackTrace();return RespBean.error("发送失败！");}}@RequestMapping("/sendFileMail")public RespBean sendFileMail(Mail mail){try {File file = fileService.getFileByid(mail.getFileid());if(file!=null){mailService.sendAttachmentsMail(mail.getMail(),mail.getTopic(),mail.getMessage(), FilePath.PATH+file.getPath());}else{mailService.sendAttachmentsMail(mail.getMail(),mail.getTopic(),mail.getMessage(),null);}return RespBean.sucess("发送成功！");}catch (Exception e){e.printStackTrace();return RespBean.error("发送失败！");}}}

其中：RespBean是我自定义的返回实体类。

package com.ds.entity;/*
* 公共返回对象
* */
public class RespBean {private long code;private String message;private Object obj;public RespBean() {}public RespBean(long code, String message, Object obj) {this.code = code;this.message = message;this.obj = obj;}public long getCode() {return code;}public void setCode(long code) {this.code = code;}public String getMessage() {return message;}public void setMessage(String message) {this.message = message;}public Object getObj() {return obj;}public void setObj(Object obj) {this.obj = obj;}@Overridepublic String toString() {return "RespBean{" +"code=" + code +", message='" + message + '\'' +", obj=" + obj +'}';}/** 成功返回结果* */public static RespBean sucess(String message){return new RespBean(200,message,null);}/** 成功返回结果* */public static RespBean sucess(String message,Object obj){return new RespBean(200,message,obj);}/** 失败返回结果* */public static RespBean error(String message){return new RespBean(500,message,null);}/** 失败返回结果* */public static RespBean error(String message,Object obj){return new RespBean(500,message,obj);}
}

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邮件发送（qq邮箱）

1.先配置自己的邮箱，获取校验码，将自己的邮箱配置成客户端

2.配置application.yml文件

3.创建一个实体类，接受前台传参数据

4.创建service接口

5.创建serviceimpl实现类

6.创建接口调用

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