springboot发送邮件案例
邮件jar配置：
<!-- mail -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>application.properties配置：
#jndi propertiesa
spring.mail.host=mail.qq.com
spring.mail.port=25
[email protected]
spring.mail.password=123@qq
spring.mail.default-encoding=UTF-8
[email protected]jsp页面设置：
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="<%=request.getContextPath()%>/test/sendMail.do" method="post" enctype="multipart/form-data">
接收邮箱：<input type="text" name="email"><br>
标题：<input type="text" name="title"><br>
附件：<input type="file" name="file" multiple="multiple"><br>
内容：<textarea name="context" id="" cols="30" rows="10"></textarea><br>
<input type="submit" value="发送">
</form>
</body>
</html>邮件接口访问层：
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import com.szxx.mysql.bean.Email;
import com.szxx.mysql.service.impl.IMailServiceImpl;
/**
*@Title: MailSendController
*@date 2019年10月8日 上午11:22:10
*@Description:
*
*/
@Controller
@RequestMapping("/test")
public class MailSendTestController {
@Autowired
IMailServiceImpl mailServiceImpl;
//进入index页面//http://127.0.0.1:8097/test/email.do
@RequestMapping("/email.do")
public String index(){
return "test/sendemail";
}
@RequestMapping(value="/sendMail.do")
@ResponseBody
public String send2(@RequestParam("file") MultipartFile[] file,Email email) {
mailServiceImpl.sendAttachmentsMail(email.getEmail(), email.getTitle(), email.getContext(),file);
//mailServiceImpl.sendInlineResourceMail(email.getEmail(), email.getTitle(), email.getContext(), file, "img11");
return "发送成功";
}
}
邮件接口：
import javax.mail.MessagingException;
import org.springframework.web.multipart.MultipartFile;
/**
*@Title: IMailServer
*@date 2019年10月8日 上午10:35:40
*/
public interface IMailService {
/**
* 发送文本邮件
* @param to 收件人
* @param subject 主题
* @param content 内容
*/
public 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
* @throws MessagingException
*/
public void sendHtmlMail(String to, String subject, String content);
public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId);
/**
* 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);
/**
* 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, MultipartFile[] file);
public void sendInlineResourceMail(String to, String subject, String content, MultipartFile[] files, String rscId);
}邮件接口实现类：
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
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 org.springframework.web.multipart.MultipartFile;
/**
*@Title: IMailServerImpl
*@date 2019年10月8日 上午10:36:12
*@Description:
*
*/
@Service
public class IMailServiceImpl implements com.szxx.mysql.service.IMailService{
private final Logger logger = LoggerFactory.getLogger(this.getClass());
/**
* Spring Boot 提供了一个发送邮件的简单抽象，使用的是下面这个接口，这里直接注入即可使用
*/
@Autowired
private JavaMailSender mailSender;
/**
* 配置文件中我的qq邮箱
*/
@Value("${spring.mail.from}")
private String from;
//普通邮件
@Override
public void sendSimpleMail(String to, String subject, String content) {
logger.info("*****sendSimpleMail，邮件发送开始*******收件人："+to+",主题："+subject+",内容："+content);
SimpleMailMessage message = new SimpleMailMessage();
message.setFrom(from); // 邮件发送者
message.setTo(to); // 邮件接受者
message.setSubject(subject); // 主题
message.setText(content); // 内容
mailSender.send(message);
}
//html邮件
@Override
public void sendHtmlMail(String to, String subject, String content) {
logger.info("*****sendHtmlMail，邮件发送开始*******收件人："+to+",主题："+subject+",内容："+content);
MimeMessage message = mailSender.createMimeMessage();
//true 表⽰示需要创建⼀一个 multipart message
MimeMessageHelper helper;
try {
helper = new MimeMessageHelper(message, true);
helper.setFrom(from);
helper.setTo(to);
helper.setSubject(subject);
helper.setText(content, true);
mailSender.send(message);
} catch (MessagingException e) {
e.printStackTrace();
}
}
//发送附件
@Override
public void sendAttachmentsMail(String to, String subject, String content, String filePath) {
logger.info("*****sendAttachmentsMail，邮件发送开始*******收件人："+to+",主题："+subject+",内容："+content);
MimeMessage message = mailSender.createMimeMessage();
MimeMessageHelper helper;
try {
helper = new MimeMessageHelper(message, true);
helper.setFrom(from);
helper.setTo(to);
helper.setSubject(subject);
helper.setText(content, true);
FileSystemResource file = new FileSystemResource(new File(filePath));
String fileName = file.getFilename();
helper.addAttachment(fileName, file);
mailSender.send(message);
} catch (MessagingException e) {
e.printStackTrace();
}
}
//发送附件
@Override
public void sendAttachmentsMail(String to, String subject, String content, MultipartFile[] files) {
logger.info("*****sendAttachmentsMail，邮件发送开始*******收件人："+to+",主题："+subject+",内容："+content);
MimeMessage message = mailSender.createMimeMessage();
MimeMessageHelper helper;
try {
helper = new MimeMessageHelper(message, true);
helper.setFrom(from);
helper.setTo(to);
helper.setSubject(subject);
helper.setText(content, true);
//FileSystemResource file = new FileSystemResource(new File(filePath));
File toFile = null;
InputStream ins = null;
for(int i=0;i<files.length;i++) {
ins = files[i].getInputStream();
toFile = new File(files[i].getOriginalFilename());
inputStreamToFile(ins, toFile);
ins.close();
if (files[i] != null) {
FileSystemResource file = new FileSystemResource(toFile);
String fileName = file.getFilename();
helper.addAttachment(fileName, file);
}
}
mailSender.send(message);
} catch (Exception e) {
e.printStackTrace();
}
}
//发送图片
@Override
public void sendInlineResourceMail(String to, String subject, String content, MultipartFile[] files, String rscId) {
logger.info("*****sendInlineResourceMail，邮件发送开始*******收件人："
+to+",主题："+subject+",内容："+content+",files:"+files.length+",rscId:"+rscId);
MimeMessage message = mailSender.createMimeMessage();
MimeMessageHelper helper;
try {
helper = new MimeMessageHelper(message, true);
helper.setFrom(from);
helper.setTo(to);
helper.setSubject(subject);
helper.setText(content, true);
//File file = new File(rscPath);
File toFile = null;
InputStream ins = null;
for(int i=0;i<files.length;i++) {
ins = files[i].getInputStream();
toFile = new File(files[i].getOriginalFilename());
inputStreamToFile(ins, toFile);
ins.close();
if (files[i] != null) {
FileSystemResource res = new FileSystemResource(toFile);
helper.addInline(rscId, res);
}
}
mailSender.send(message);
} catch (Exception e) {
e.printStackTrace();
}
}
//发送图片
@Override
public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId) {
logger.info("*****sendInlineResourceMail，邮件发送开始*******收件人："
+to+",主题："+subject+",内容："+content+",rscPath:"+rscPath+",rscId:"+rscId);
MimeMessage message = mailSender.createMimeMessage();
MimeMessageHelper helper;
try {
helper = new MimeMessageHelper(message, true);
helper.setFrom(from);
helper.setTo(to);
helper.setSubject(subject);
helper.setText(content, true);
File file = new File(rscPath);
FileSystemResource res = new FileSystemResource(file);
helper.addInline(rscId, res);
mailSender.send(message);
} catch (MessagingException e) {
e.printStackTrace();
}
}
public static void inputStreamToFile(InputStream ins, File file) {
try {
OutputStream os = new FileOutputStream(file);
int bytesRead = 0;
byte[] buffer = new byte[8192];
while ((bytesRead = ins.read(buffer, 0, 8192)) != -1) {
os.write(buffer, 0, bytesRead);
}
os.close();
ins.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
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