springboot 邮件发送

springboot 邮件发送

1. 依赖

对JDK自带的邮件操作进一步封装，使用更快捷方便

   <!--邮件-->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-email</artifactId>
            <version>1.4</version>
        </dependency>

2.封装的工具类

import org.apache.commons.mail.EmailAttachment;
import org.apache.commons.mail.HtmlEmail;
import org.apache.commons.mail.MultiPartEmail;
import org.apache.commons.mail.SimpleEmail;

import java.io.File;
import java.util.Date;
import java.util.List;

public class CommonsEmailUtil {
    private String host = "";
    private Integer port = null;
    private String userName = "";
    private String password = "";
    private String to = "";
    //文件路径
    private String filePath = "";
    //设置附件名称
    private String fileName = "";
    private List<String> fileNameList = null;
    //图片路径
    private String photoPath = "";
    //邮件标题
    private String subject = "";
    //邮件内容，正文
    private String message = "";

    public CommonsEmailUtil() {
    }

    /**
     * 发送内嵌图片和附件邮件
     *
     * @throws Exception
     */
    public void sendImageAndAttachmentMail() throws Exception {
        HtmlEmail mail = new HtmlEmail();
        // 设置邮箱服务器信息
        mail.setSmtpPort(port);
        mail.setHostName(host);
        // 设置密码验证器
        mail.setAuthentication(userName, password);
        // 设置邮件发送者
        mail.setFrom(userName);
        // 设置邮件接收者
        mail.addTo(to);
        // 设置邮件编码
        mail.setCharset("UTF-8");
        // 设置邮件主题
        mail.setSubject(subject);
        String htmlText = "";
        if (!photoPath.equals("")) {
            mail.embed(new File(photoPath), "image");
            // 设置邮件内容
            htmlText = "
this is a HTML email.
";
        } else {
            htmlText = message;
        }
        mail.setHtmlMsg(htmlText);

        //有附件的时候才创建附件
        if (fileNameList != null && fileNameList.size() != 0) {
            // 创建多个附件
            for (String fileName : fileNameList) {
                EmailAttachment attachment = new EmailAttachment();
                attachment.setPath(filePath + fileName);
                attachment.setDisposition(EmailAttachment.ATTACHMENT);
                attachment.setName(fileName);
                mail.attach(attachment);
            }
        }
        // 设置邮件发送时间
        mail.setSentDate(new Date());
        // 发送邮件
        mail.send();
    }

    public String getHost() {
        return host;
    }

    public void setHost(String host) {
        this.host = host;
    }

    public Integer getPort() {
        return port;
    }

    public void setPort(Integer port) {
        this.port = port;
    }

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

    public String getTo() {
        return to;
    }

    public void setTo(String to) {
        this.to = to;
    }

    public String getFilePath() {
        return filePath;
    }

    public void setFilePath(String filePath) {
        this.filePath = filePath;
    }

    public String getFileName() {
        return fileName;
    }

    public void setFileName(String fileName) {
        this.fileName = fileName;
    }

    public String getPhotoPath() {
        return photoPath;
    }

    public void setPhotoPath(String photoPath) {
        this.photoPath = photoPath;
    }

    public String getSubject() {
        return subject;
    }

    public void setSubject(String subject) {
        this.subject = subject;
    }

    public String getMessage() {
        return message;
    }

    public void setMessage(String message) {
        this.message = message;
    }


    public List<String> getFileNameList() {
        return fileNameList;
    }

    public void setFileNameList(List<String> fileNameList) {
        this.fileNameList = fileNameList;
    }

    public CommonsEmailUtil(String host, Integer port, String userName, String password, String to, String filePath, String fileName, List<String> fileNameList, String photoPath, String subject, String message) {
        this.host = host;
        this.port = port;
        this.userName = userName;
        this.password = password;
        this.to = to;
        this.filePath = filePath;
        this.fileName = fileName;
        this.fileNameList = fileNameList;
        this.photoPath = photoPath;
        this.subject = subject;
        this.message = message;
    }

    public CommonsEmailUtil(String host, Integer port, String userName, String password, String to, String filePath, String fileName, String photoPath, String subject, String message) {
        this.host = host;
        this.port = port;
        this.userName = userName;
        this.password = password;
        this.to = to;
        this.filePath = filePath;
        this.fileName = fileName;
        this.photoPath = photoPath;
        this.subject = subject;
        this.message = message;
    }

    /**
     * 发送文本邮件
     *
     * @throws Exception
     */
    public void sendTextMail() throws Exception {
        SimpleEmail mail = new SimpleEmail();
        // 设置邮箱服务器信息
        mail.setSmtpPort(port);
        mail.setHostName(host);
        // 设置密码验证器
        mail.setAuthentication(userName, password);
        // 设置邮件发送者
        mail.setFrom(userName);
        // 设置邮件接收者
        mail.addTo(to);
        // 设置邮件编码
        mail.setCharset("UTF-8");
        // 设置邮件主题
        mail.setSubject("Test Email");
        // 设置邮件内容
        mail.setMsg("this is a test Text mail");
        // 设置邮件发送时间
        mail.setSentDate(new Date());
        // 发送邮件
        mail.send();
    }

    /**
     * 发送Html邮件
     *
     * @throws Exception
     */
    public void sendHtmlMail() throws Exception {
        HtmlEmail mail = new HtmlEmail();
        // 设置邮箱服务器信息
        mail.setSmtpPort(port);
        mail.setHostName(host);
        // 设置密码验证器
        mail.setAuthentication(userName, password);
        // 设置邮件发送者
        mail.setFrom(userName);
        // 设置邮件接收者
        mail.addTo(to);
        // 设置邮件编码
        mail.setCharset("UTF-8");
        // 设置邮件主题
        mail.setSubject("Test Email");
        // 设置邮件内容
        mail.setHtmlMsg(
                "
this is a HTML email.
");
        // 设置邮件发送时间
        mail.setSentDate(new Date());
        // 发送邮件
        mail.send();
    }

    /**
     * 发送内嵌图片邮件
     *
     * @throws Exception
     */
    public void sendImageMail() throws Exception {
        HtmlEmail mail = new HtmlEmail();
        // 设置邮箱服务器信息
        mail.setSmtpPort(port);
        mail.setHostName(host);
        // 设置密码验证器
        mail.setAuthentication(userName, password);
        // 设置邮件发送者
        mail.setFrom(userName);
        // 设置邮件接收者
        mail.addTo(to);
        // 设置邮件编码
        mail.setCharset("UTF-8");
        // 设置邮件主题
        mail.setSubject("Test Email");
        mail.embed(new File("1_jianggujin.jpg"), "image");
        // 设置邮件内容
        String htmlText = "
this is a HTML email.
";
        mail.setHtmlMsg(htmlText);
        // 设置邮件发送时间
        mail.setSentDate(new Date());
        // 发送邮件
        mail.send();
    }

    /**
     * 发送附件邮件
     *
     * @throws Exception
     */
    public void sendAttachmentMail() throws Exception {
        MultiPartEmail mail = new MultiPartEmail();
        // 设置邮箱服务器信息
        mail.setSmtpPort(port);
        mail.setHostName(host);
        // 设置密码验证器
        mail.setAuthentication(userName, password);
        // 设置邮件发送者
        mail.setFrom(userName);
        // 设置邮件接收者
        mail.addTo(to);
        // 设置邮件编码
        mail.setCharset("UTF-8");
        // 设置邮件主题
        mail.setSubject("Test Email");

        mail.setMsg("this is a Attachment email.this email has a attachment!");
        // 创建附件
        EmailAttachment attachment = new EmailAttachment();
        attachment.setPath("1_jianggujin.jpg");
        attachment.setDisposition(EmailAttachment.ATTACHMENT);
        attachment.setName("1_jianggujin.jpg");
        mail.attach(attachment);

        // 设置邮件发送时间
        mail.setSentDate(new Date());
        // 发送邮件
        mail.send();
    }

    /**
     * 发送内嵌图片和附件邮件
     *
     * @throws Exception
     */
    public void sendImageAndAttachmentMailTest() throws Exception {
        HtmlEmail mail = new HtmlEmail();
        // 设置邮箱服务器信息
        mail.setSmtpPort(port);
        mail.setHostName(host);
        // 设置密码验证器
        mail.setAuthentication(userName, password);
        // 设置邮件发送者
        mail.setFrom(userName);
        // 设置邮件接收者
        mail.addTo(to);
        // 设置邮件编码
        mail.setCharset("UTF-8");
        // 设置邮件主题
        mail.setSubject("Test Email");
        mail.embed(new File("1_jianggujin.jpg"), "image");
        // 设置邮件内容
        String htmlText = "
this is a HTML email.
";
        mail.setHtmlMsg(htmlText);
        // 创建附件
        EmailAttachment attachment = new EmailAttachment();
        attachment.setPath("1_jianggujin.jpg");
        attachment.setDisposition(EmailAttachment.ATTACHMENT);
        attachment.setName("1_jianggujin.jpg");
        mail.attach(attachment);
        // 设置邮件发送时间
        mail.setSentDate(new Date());
        // 发送邮件
        mail.send();
    }
}