package com.nq.utils.email;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.core.io.FileSystemResource;
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import org.springframework.mail.SimpleMailMessage;
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import org.springframework.mail.javamail.JavaMailSender;
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import org.springframework.mail.javamail.MimeMessageHelper;
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import org.springframework.stereotype.Service;
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import javax.mail.internet.InternetAddress;
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import javax.mail.internet.MimeMessage;
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import java.io.File;
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import java.util.regex.Pattern;
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@Service
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public class EmailUtil implements EmailService
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{
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private static final Logger log = LoggerFactory.getLogger(EmailService.class);
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//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
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@Autowired
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private JavaMailSender mailSender;
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// 配置文件中我的谷歌邮箱
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@Value("${spring.mail.username}")
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private String from;
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/**
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* 简单文本邮件
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* @param to 收件人
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* @param subject 主题
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* @param content 内容
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*/
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@Override
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public void sendSimpleMail(String to, String subject, String content) {
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//创建SimpleMailMessage对象
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SimpleMailMessage message = new SimpleMailMessage();
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//邮件发送人
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message.setFrom(from);
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//邮件接收人
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message.setTo(to);
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//邮件主题
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message.setSubject(subject);
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//邮件内容
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message.setText(content);
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//发送邮件
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mailSender.send(message);
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}
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/**
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* html邮件
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* @param to 收件人,多个时参数形式 ："xxx@xxx.com,xxx@xxx.com,xxx@xxx.com"
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* @param subject 主题
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* @param content 内容
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*/
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@Override
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public void sendHtmlMail(String to, String subject, String content) {
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//获取MimeMessage对象
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MimeMessage message = mailSender.createMimeMessage();
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MimeMessageHelper messageHelper;
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try {
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messageHelper = new MimeMessageHelper(message, true);
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//邮件发送人
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messageHelper.setFrom(from);
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//邮件接收人,设置多个收件人地址
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InternetAddress[] internetAddressTo = InternetAddress.parse(to);
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messageHelper.setTo(internetAddressTo);
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//messageHelper.setTo(to);
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//邮件主题
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message.setSubject(subject);
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//邮件内容，html格式
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messageHelper.setText(content, true);
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//发送
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mailSender.send(message);
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//日志信息
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log.info("邮件已经发送。");
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} catch (Exception e) {
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log.error("发送邮件时发生异常！", e);
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}
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}
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/**
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* 带附件的邮件
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* @param to 收件人
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* @param subject 主题
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* @param content 内容
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* @param filePath 附件
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*/
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@Override
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public void sendAttachmentsMail(String to, String subject, String content, String filePath) {
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MimeMessage message = mailSender.createMimeMessage();
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try {
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MimeMessageHelper helper = new MimeMessageHelper(message, true);
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helper.setFrom(from);
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helper.setTo(to);
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helper.setSubject(subject);
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helper.setText(content, true);
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FileSystemResource file = new FileSystemResource(new File(filePath));
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String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
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helper.addAttachment(fileName, file);
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mailSender.send(message);
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//日志信息
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log.info("邮件已经发送。");
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} catch (Exception e) {
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log.error("发送邮件时发生异常！", e);
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}
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}
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/**
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* 验证邮箱格式
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* @param email
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* @return
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*/
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public boolean isEmail(String email) {
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if (email == null || email.length() < 1 || email.length() > 256) {
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return false;
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}
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Pattern pattern = Pattern.compile("^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*$");
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return pattern.matcher(email).matches();
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}
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}
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