MailService.java
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package com.zteits.park.configuration.mail;
import java.io.File;
import java.io.UnsupportedEncodingException;
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.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;
@Service
public class MailService {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
@Autowired
private JavaMailSender sender;
@Value("${spring.mail.username}")
private String from;
@Value("${current.env.desc}")
private String curEvnDesc;
/**
* 发送纯文本的简单邮件
* @param to
* @param subject
* @param content
*/
public void sendSimpleMail(String to, String subject, String content){
MimeMessage message = sender.createMimeMessage();
try {
//true表示需要创建一个multipart message
MimeMessageHelper helper = new MimeMessageHelper(message, false);
helper.setFrom(from, "数据采集异常告警");
helper.setTo(to);
helper.setSubject(curEvnDesc+"-"+subject);
helper.setText(content, true);
sender.send(message);
logger.info("html邮件已经发送。");
} catch (MessagingException | UnsupportedEncodingException e) {
logger.error("发送数据采集异常告警发生异常！", e);
}
}
/**
* 发送html格式的邮件
* @param to
* @param subject
* @param content
*/
public void sendHtmlMail(String to, String subject, String content){
MimeMessage message = sender.createMimeMessage();
try {
//true表示需要创建一个multipart message
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setFrom(from);
helper.setTo(to);
helper.setSubject(subject);
helper.setText(content, true);
sender.send(message);
logger.info("html邮件已经发送。");
} catch (MessagingException e) {
logger.error("发送html邮件时发生异常！", e);
}
}
/**
* 发送带附件的邮件
* @param to
* @param subject
* @param content
* @param filePath
*/
public void sendAttachmentsMail(String to, String subject, String content, String filePath){
MimeMessage message = sender.createMimeMessage();
try {
//true表示需要创建一个multipart message
MimeMessageHelper 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 = filePath.substring(filePath.lastIndexOf(File.separator));
helper.addAttachment(fileName, file);
sender.send(message);
logger.info("带附件的邮件已经发送。");
} catch (MessagingException e) {
logger.error("发送带附件的邮件时发生异常！", e);
}
}
/**
* 发送嵌入静态资源（一般是图片）的邮件
* @param to
* @param subject
* @param content 邮件内容，需要包括一个静态资源的id，比如：<img src=\"cid:rscId01\" >
* @param rscPath 静态资源路径和文件名
* @param rscId 静态资源id
*/
public void sendInlineResourceMail(String to, String subject, String content, String rscPath, String rscId){
MimeMessage message = sender.createMimeMessage();
try {
//true表示需要创建一个multipart message
MimeMessageHelper helper = new MimeMessageHelper(message, true);
helper.setFrom(from);
helper.setTo(to);
helper.setSubject(subject);
helper.setText(content, true);
FileSystemResource res = new FileSystemResource(new File(rscPath));
helper.addInline(rscId, res);
sender.send(message);
logger.info("嵌入静态资源的邮件已经发送。");
} catch (MessagingException e) {
logger.error("发送嵌入静态资源的邮件时发生异常！", e);
}
}
}