Java集成Outlook邮件操作-Toy模板网

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引入工具包

		<dependency>
            <groupId>com.microsoft.ews-java-api</groupId>
            <artifactId>ews-java-api</artifactId>
          	<version>2.0</version>
        </dependency>

工具类

import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

import com.alibaba.fastjson.JSON;
import lombok.extern.slf4j.Slf4j;
import microsoft.exchange.webservices.data.core.ExchangeService;
import microsoft.exchange.webservices.data.core.enumeration.misc.ExchangeVersion;
import microsoft.exchange.webservices.data.core.enumeration.property.BodyType;
import microsoft.exchange.webservices.data.core.enumeration.property.WellKnownFolderName;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceLocalException;
import microsoft.exchange.webservices.data.core.service.folder.Folder;
import microsoft.exchange.webservices.data.core.service.item.EmailMessage;
import microsoft.exchange.webservices.data.core.service.item.Item;
import microsoft.exchange.webservices.data.credential.ExchangeCredentials;
import microsoft.exchange.webservices.data.credential.WebCredentials;
import microsoft.exchange.webservices.data.property.complex.MessageBody;
import microsoft.exchange.webservices.data.search.FindFoldersResults;
import microsoft.exchange.webservices.data.search.FindItemsResults;
import microsoft.exchange.webservices.data.search.FolderView;
import microsoft.exchange.webservices.data.search.ItemView;
import org.apache.commons.lang3.StringUtils;

/**
 * @ClassName ExchangeMailUtil
 * @Description microsoft邮件工具类
 * @Author Miccke
 * @Date 2022/5/18 9:29
 * @Version V2.0
 */
@Slf4j
public class ExchangeMailUtil {

    //邮件服务器地址
    private String mailServer;
    //用户名
    private String user;
    //密码
    private String password;
    //使用的方式，默认可用不填
    private String domain;

    /**
     * 构造方法
     */
    public ExchangeMailUtil(String mailServer, String user, String password) {
        this.mailServer = mailServer;
        this.user = user;
        this.password = password;
    }

    /**
     * 构造方法
     */
    public ExchangeMailUtil(String mailServer, String user, String password, String domain) {
        this.mailServer = mailServer;
        this.user = user;
        this.password = password;
        this.domain = domain;
    }

    /**
     * 创建邮件服务
     *
     * @return 邮件服务
     */
    private ExchangeService getExchangeService() {
        ExchangeService service = new ExchangeService(ExchangeVersion.Exchange2010_SP1);
        //用户认证信息
        ExchangeCredentials credentials;
        if (domain == null) {
            credentials = new WebCredentials(user, password);
        } else {
            credentials = new WebCredentials(user, password, domain);
        }
        service.setCredentials(credentials);
        try {
            service.setUrl(new URI(mailServer));
        } catch (URISyntaxException e) {
            e.printStackTrace();
        }
        return service;
    }

    /**
     * 收取邮件
     *
     * @param receiveMailNum 最大收取邮件数
     * @throws Exception 全局异常捕获
     */
    public List<EmailMessage> scanMail(int receiveMailNum) throws Exception {
        if (receiveMailNum < -1) throw new Exception("请输入正确的查询数量");
        ExchangeService exchangeService = this.getExchangeService();
        //绑定收件箱,同样可以绑定发件箱
        Folder inbox = Folder.bind(exchangeService, WellKnownFolderName.Inbox);
        //获取邮件数量
        int receiveNum = receiveMailNum == -1 ? inbox.getTotalCount()
                : Math.min(inbox.getTotalCount(), receiveMailNum);
        FindItemsResults<Item> findResults = exchangeService.findItems(inbox.getId(), new ItemView(receiveNum));
        List<EmailMessage> result = new ArrayList<>();
        for (Item item : findResults.getItems()) {
            EmailMessage message = EmailMessage.bind(exchangeService, item.getId());
            if (message.getBody().getBodyType() != BodyType.Text) continue;
            result.add(message);
        }
        return result;
    }

    /**
     * 收取邮件
     *
     * @param receiveMailNum 最大收取邮件数
     * @throws Exception 全局异常捕获
     */
    public List<EmailMessage> scanMailByFolder(int receiveMailNum, String targetFolderName) throws Exception {
        ExchangeService exchangeService = this.getExchangeService();

        FindFoldersResults foldersResults = exchangeService.findFolders(
                WellKnownFolderName.Inbox, new FolderView(999999));
        System.out.println("文件夹总数量：" + foldersResults.getTotalCount());

        if (StringUtils.isEmpty(targetFolderName)) targetFolderName = WellKnownFolderName.Inbox.name();
        String finalTargetFolderName = targetFolderName;
        Folder targetFolder = foldersResults.getFolders().stream().filter(folder -> {
            try {
                return folder.getDisplayName().equals(finalTargetFolderName);
            } catch (ServiceLocalException e) {
                e.printStackTrace();
                return Boolean.FALSE;
            }
        }).collect(Collectors.toList()).stream().findFirst().get();

        List<EmailMessage> emailMessageList = new ArrayList<>();
        System.out.println("文件夹名称：" + targetFolder.getDisplayName());
        ArrayList<Item> findItemsResults = targetFolder.findItems(
                new ItemView(targetFolder.getTotalCount())).getItems();
        for (Item item : findItemsResults) {
            EmailMessage emailMessage = EmailMessage.bind(exchangeService, item.getId());
            // BodyType 分为两种 HTML、Text
            if (emailMessage.getBody().getBodyType() != BodyType.HTML) continue;
            System.out.println("**************************************************);
            System.out.println("【发送人】" + emailMessage.getSender());
            System.out.println("【接收人】" + emailMessage.getReceivedBy());
            System.out.println("【标题】" + emailMessage.getSubject());
            System.out.println("【邮件内容】" + emailMessage.getBody());
            emailMessageList.add(emailMessage);
        }
        return emailMessageList;
    }

    /**
     * 收取所有邮件
     *
     * @throws Exception
     */
    public List<EmailMessage> scanMail() throws Exception {
        return scanMail(-1);
    }

    /**
     * 发送带附件的mail
     *
     * @param subject         邮件标题
     * @param to              收件人列表
     * @param cc              抄送人列表
     * @param bodyText        邮件内容
     * @param attachmentPaths 附件地址列表
     * @throws Exception
     */
    public void sendMail(String subject, String[] to, String[] cc, String bodyText, String[] attachmentPaths) throws Exception {
        ExchangeService service = this.getExchangeService();
        EmailMessage msg = new EmailMessage(service);
        msg.setSubject(subject);
        MessageBody body = MessageBody.getMessageBodyFromText(bodyText);
        body.setBodyType(BodyType.HTML);
        msg.setBody(body);
        for (String toPerson : to) {
            msg.getToRecipients().add(toPerson);
        }
        if (cc != null) {
            for (String ccPerson : cc) {
                msg.getCcRecipients().add(ccPerson);
            }
        }
        if (attachmentPaths != null) {
            for (String attachmentPath : attachmentPaths) {
                msg.getAttachments().addFileAttachment(attachmentPath);
            }
        }
        msg.send();
    }

    /**
     * 发送不带抄送人的邮件
     *
     * @param subject  标题
     * @param to       收件人列表
     * @param bodyText 邮件内容
     * @throws Exception
     */
    public void sendMail(String subject, String[] to, String bodyText) throws Exception {
        sendMail(subject, to, null, bodyText);
    }

    /**
     * 发送不带附件的mail
     *
     * @param subject  邮件标题
     * @param to       收件人列表
     * @param cc       抄送人列表
     * @param bodyText 邮件内容
     * @throws Exception
     */
    public void sendMail(String subject, String[] to, String[] cc, String bodyText) throws Exception {
        sendMail(subject, to, cc, bodyText, null);
    }

    /**
     * 发送邮件主方法
     *
     * @throws Exception
     */
    public static void main(String[] args) throws Exception {
        // Outlook Web Access路径通常为/EWS/exchange.asmx
        ExchangeMailUtil mailUtil = new ExchangeMailUtil(
                "https://mail.****.com/ews/exchange.asmx",
                "gulushuai1",
                "Miccke123456");
        mailUtil.scanMailByFolder(-1, "华星OA");
    }
}