qrmp/src/main/java/com/qrservice/admin/util/EmailUtils.java

package com.qrservice.admin.util;

import com.qrservice.admin.config.MailConfig;
import lombok.extern.slf4j.Slf4j;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import java.io.File;
import java.io.UnsupportedEncodingException;

/**
 * Created by lei
 * Date 2020/9/25.
 */
@Slf4j
public class EmailUtils {



    private static JavaMailSender mailSender = SpringUtil.getBean(JavaMailSender.class);
    private static MailConfig config = SpringUtil.getBean(MailConfig.class);

    static {
        System.setProperty("mail.mime.splitlongparameters","false");
    }

    /**
     *  发送简单的html邮件
     * @param subject 主题
     * @param content 内容
     * @param to 发给谁
     * @param cc 抄送
     */
    public static void sendSimpleHtmlMail(String subject, String content,String to,String[] cc)  {
        MimeMessage mimeMessage = null;
        try {
            mimeMessage = mailSender.createMimeMessage();
            MimeMessageHelper messageHelper = new MimeMessageHelper(mimeMessage,true,"UTF-8");
            messageHelper.setFrom(config.getUsername()); //设置发件人Email
            messageHelper.setSubject(subject); //设置邮件主题
            messageHelper.setText(content,true);   //设置邮件主题内容
            messageHelper.setTo(to);          //设定收件人Email
            if(cc != null){
                messageHelper.setCc(cc);     //设定抄送人
            }
        } catch (MessagingException e) {
            e.printStackTrace();
        }
        mailSender.send(mimeMessage);    //发送HTML邮件
    }

    /**
     * 发送带有附件的邮件
     * @param subject 主题
     * @param content 内容
     * @param to 收件人
     * @param cc 抄送人
     * @param filePaths 文件路径
     */
    public static void sendAnnexMail(String subject, String content, String to, String [] cc, String [] filePaths) throws MessagingException, UnsupportedEncodingException {
        MimeMessage mimeMessage = mailSender.createMimeMessage();
        MimeMessageHelper messageHelper = new MimeMessageHelper(mimeMessage,true,"UTF-8");
        messageHelper.setFrom(config.getUsername()); //设置发件人Email
        messageHelper.setSubject(config.getSubjectenv()+subject); //设置邮件主题
        messageHelper.setText(content,true);   //设置邮件主题内容
        messageHelper.setTo(to);          //设定收件人Email
        if(cc != null){
            messageHelper.setCc(cc);     //设定抄送人
        }

        for (String filePath : filePaths) {
            messageHelper.addAttachment(filePath.substring(filePath.lastIndexOf(File
                    .separator)+1),new File(filePath));
        }
        mailSender.send(mimeMessage);    //发送HTML邮件
    }

    public static void sendErrorHtmlMail(Exception e,String transDate, String to, String[] cc) {
        StackTraceElement[] stackTrace = e.getStackTrace();
        StackTraceElement element = stackTrace[0];
         EmailUtils.sendSimpleHtmlMail("清算异常",
                "交易日期："+transDate+"<br>错误类型："+e.toString()+"，错误地址："+element,to,null);
    }

}