内嵌查询代替LEFT JOIN导致的重复问题以及修改邮件不能发送图片和附件的问题
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358
ruoyi-oa/src/main/java/com/ruoyi/oa/utils/EmailUtil.java
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358
ruoyi-oa/src/main/java/com/ruoyi/oa/utils/EmailUtil.java
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package com.ruoyi.oa.utils;
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import com.ruoyi.oa.domain.OaEmailAccount;
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import org.springframework.beans.factory.annotation.Autowired;
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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.Component;
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import com.ruoyi.oa.config.DynamicMailConfig;
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import javax.mail.MessagingException;
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import javax.mail.internet.MimeMessage;
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import java.io.File;
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import java.util.List;
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/**
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* 邮件发送工具类
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*
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* @author ruoyi
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*/
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@Component
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public class EmailUtil {
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@Autowired
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private JavaMailSender javaMailSender;
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@Autowired
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private DynamicMailConfig dynamicMailConfig;
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/**
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* 发送纯文本邮件
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*
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* @param from 发件人邮箱
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param text 纯文本内容
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*/
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public void sendMail(String from, String to, String subject, String text) {
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SimpleMailMessage message = new SimpleMailMessage();
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message.setFrom(from);
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message.setTo(to);
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message.setSubject(subject);
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message.setText(text);
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javaMailSender.send(message);
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}
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/**
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* 使用动态配置发送纯文本邮件
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*
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* @param account 邮箱账号信息
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param text 纯文本内容
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*/
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public void sendMailWithDynamicConfig(OaEmailAccount account, String to, String subject, String text) {
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JavaMailSender dynamicMailSender = dynamicMailConfig.createMailSender(account);
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SimpleMailMessage message = new SimpleMailMessage();
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message.setFrom(account.getEmail());
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message.setTo(to);
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message.setSubject(subject);
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message.setText(text);
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dynamicMailSender.send(message);
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}
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/**
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* 发送纯文本邮件（批量）
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*
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* @param from 发件人邮箱
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* @param toList 收件人邮箱列表
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* @param subject 邮件主题
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* @param text 纯文本内容
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*/
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public void sendMailBatch(String from, List<String> toList, String subject, String text) {
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SimpleMailMessage message = new SimpleMailMessage();
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message.setFrom(from);
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message.setTo(toList.toArray(new String[0]));
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message.setSubject(subject);
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message.setText(text);
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javaMailSender.send(message);
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}
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/**
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* 发送富文本邮件
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*
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* @param from 发件人邮箱
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param htmlContent HTML内容
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*/
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public void sendHtmlMail(String from, String to, String subject, String htmlContent) throws MessagingException {
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MimeMessage mimeMessage = javaMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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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(htmlContent, true); // 第二个参数true表示这是HTML内容
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javaMailSender.send(mimeMessage);
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}
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/**
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* 使用动态配置发送富文本邮件
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*
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* @param account 邮箱账号信息
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param htmlContent HTML内容
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*/
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public void sendHtmlMailWithDynamicConfig(com.ruoyi.oa.domain.OaEmailAccount account, String to, String subject, String htmlContent) throws MessagingException {
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JavaMailSender dynamicMailSender = dynamicMailConfig.createMailSender(account);
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MimeMessage mimeMessage = dynamicMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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helper.setFrom(account.getEmail());
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helper.setTo(to);
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helper.setSubject(subject);
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helper.setText(htmlContent, true);
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dynamicMailSender.send(mimeMessage);
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}
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/**
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* 发送富文本邮件（批量）
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*
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* @param from 发件人邮箱
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* @param toList 收件人邮箱列表
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* @param subject 邮件主题
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* @param htmlContent HTML内容
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*/
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public void sendHtmlMailBatch(String from, List<String> toList, String subject, String htmlContent) throws MessagingException {
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for (String to : toList) {
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sendHtmlMail(from, to, subject, htmlContent);
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}
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}
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/**
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* 发送带附件的邮件
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*
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* @param from 发件人邮箱
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param text 邮件内容
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* @param filePath 附件文件路径
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*/
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public void sendMailWithAttachment(String from, String to, String subject, String text, String filePath) throws MessagingException {
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File attachment = new File(filePath);
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MimeMessage mimeMessage = javaMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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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(text);
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helper.addAttachment(attachment.getName(), attachment);
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javaMailSender.send(mimeMessage);
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}
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/**
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* 使用动态配置发送带附件的邮件
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*
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* @param account 邮箱账号信息
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param text 邮件内容
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* @param filePath 附件文件路径
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*/
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public void sendMailWithAttachmentAndDynamicConfig(com.ruoyi.oa.domain.OaEmailAccount account, String to, String subject, String text, String filePath) throws MessagingException {
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JavaMailSender dynamicMailSender = dynamicMailConfig.createMailSender(account);
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File attachment = new File(filePath);
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MimeMessage mimeMessage = dynamicMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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helper.setFrom(account.getEmail());
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helper.setTo(to);
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helper.setSubject(subject);
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helper.setText(text);
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helper.addAttachment(attachment.getName(), attachment);
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dynamicMailSender.send(mimeMessage);
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}
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/**
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* 发送带附件的富文本邮件
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*
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* @param from 发件人邮箱
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param htmlContent HTML内容
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* @param filePath 附件文件路径
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*/
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public void sendHtmlMailWithAttachment(String from, String to, String subject, String htmlContent, String filePath) throws MessagingException {
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File attachment = new File(filePath);
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MimeMessage mimeMessage = javaMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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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(htmlContent, true);
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helper.addAttachment(attachment.getName(), attachment);
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javaMailSender.send(mimeMessage);
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}
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/**
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* 使用动态配置发送带附件的富文本邮件
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*
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* @param account 邮箱账号信息
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param htmlContent HTML内容
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* @param filePath 附件文件路径
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*/
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public void sendHtmlMailWithAttachmentAndDynamicConfig(com.ruoyi.oa.domain.OaEmailAccount account, String to, String subject, String htmlContent, String filePath) throws MessagingException {
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JavaMailSender dynamicMailSender = dynamicMailConfig.createMailSender(account);
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File attachment = new File(filePath);
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MimeMessage mimeMessage = dynamicMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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helper.setFrom(account.getEmail());
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helper.setTo(to);
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helper.setSubject(subject);
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helper.setText(htmlContent, true);
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helper.addAttachment(attachment.getName(), attachment);
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dynamicMailSender.send(mimeMessage);
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}
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/**
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* 发送带多个附件的邮件
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*
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* @param from 发件人邮箱
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param htmlContent HTML内容
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* @param filePaths 附件文件路径列表
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*/
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public void sendHtmlMailWithAttachments(String from, String to, String subject, String htmlContent, List<String> filePaths) throws MessagingException {
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MimeMessage mimeMessage = javaMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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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(htmlContent, true);
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for (String filePath : filePaths) {
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File attachment = new File(filePath);
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if (attachment.exists()) {
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helper.addAttachment(attachment.getName(), attachment);
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}
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}
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javaMailSender.send(mimeMessage);
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}
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/**
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* 使用动态配置发送带多个附件的邮件
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*
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* @param account 邮箱账号信息
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param htmlContent HTML内容
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* @param filePaths 附件文件路径列表
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*/
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public void sendHtmlMailWithAttachmentsAndDynamicConfig(com.ruoyi.oa.domain.OaEmailAccount account, String to, String subject, String htmlContent, List<String> filePaths) throws MessagingException {
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JavaMailSender dynamicMailSender = dynamicMailConfig.createMailSender(account);
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MimeMessage mimeMessage = dynamicMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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helper.setFrom(account.getEmail());
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helper.setTo(to);
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helper.setSubject(subject);
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helper.setText(htmlContent, true);
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for (String filePath : filePaths) {
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File attachment = new File(filePath);
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if (attachment.exists()) {
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helper.addAttachment(attachment.getName(), attachment);
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}
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}
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dynamicMailSender.send(mimeMessage);
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}
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/**
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* 发送带内嵌图片的邮件
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*
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* @param from 发件人邮箱
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param htmlContent HTML内容（包含cid:xxx的图片引用）
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* @param imagePaths 内嵌图片路径列表
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*/
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public void sendHtmlMailWithInlineImages(String from, String to, String subject, String htmlContent, List<String> imagePaths) throws MessagingException {
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MimeMessage mimeMessage = javaMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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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(htmlContent, true);
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for (int i = 0; i < imagePaths.size(); i++) {
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String imagePath = imagePaths.get(i);
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File imageFile = new File(imagePath);
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if (imageFile.exists()) {
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String cid = "image" + i;
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helper.addInline(cid, imageFile);
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}
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}
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javaMailSender.send(mimeMessage);
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}
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/**
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* 使用动态配置发送带内嵌图片的邮件
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*
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* @param account 邮箱账号信息
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* @param to 收件人邮箱
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* @param subject 邮件主题
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* @param htmlContent HTML内容（包含cid:xxx的图片引用）
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* @param imagePaths 内嵌图片路径列表
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*/
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public void sendHtmlMailWithInlineImagesAndDynamicConfig(OaEmailAccount account, String to, String subject, String htmlContent, List<String> imagePaths) throws MessagingException {
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JavaMailSender dynamicMailSender = dynamicMailConfig.createMailSender(account);
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MimeMessage mimeMessage = dynamicMailSender.createMimeMessage();
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MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
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helper.setFrom(account.getEmail());
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helper.setTo(to);
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helper.setSubject(subject);
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helper.setText(htmlContent, true);
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for (int i = 0; i < imagePaths.size(); i++) {
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String imagePath = imagePaths.get(i);
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File imageFile = new File(imagePath);
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if (imageFile.exists()) {
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String cid = "image" + i;
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helper.addInline(cid, imageFile);
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}
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}
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dynamicMailSender.send(mimeMessage);
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}
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/**
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* 处理HTML内容中的图片，将外链图片转为内嵌
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*
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* @param htmlContent 原始HTML内容
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* @param imagePaths 图片路径列表
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* @return 处理后的HTML内容
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*/
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public String processHtmlWithInlineImages(String htmlContent, List<String> imagePaths) {
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if (imagePaths == null || imagePaths.isEmpty()) {
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return htmlContent;
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}
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String processedHtml = htmlContent;
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for (int i = 0; i < imagePaths.size(); i++) {
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String imagePath = imagePaths.get(i);
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String cid = "image" + i;
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// 这里可以根据需要替换图片URL为cid引用
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// 例如：将 <img src="path/to/image.jpg"> 替换为 <img src="cid:image0">
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processedHtml = processedHtml.replace("image" + i + ".jpg", "cid:" + cid);
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processedHtml = processedHtml.replace("image" + i + ".png", "cid:" + cid);
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}
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return processedHtml;
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}
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}
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Reference in New Issue
Block a user