java通过exchange发送邮件（带附件）

1.在项目中引入一下jar包

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

2.以下是工具类

import java.net.URI;
import java.net.URISyntaxException;
import java.util.*;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;


import microsoft.exchange.webservices.data.core.ExchangeService;
import microsoft.exchange.webservices.data.core.enumeration.misc.ExchangeVersion;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceLocalException;
import microsoft.exchange.webservices.data.core.service.item.EmailMessage;
import microsoft.exchange.webservices.data.credential.ExchangeCredentials;
import microsoft.exchange.webservices.data.credential.WebCredentials;
import microsoft.exchange.webservices.data.property.complex.MessageBody;

public class ExchangeClient {
   

    Logger logger = LoggerFactory.getLogger(ExchangeClient.class);

    private final String hostname;
    private final ExchangeVersion exchangeVersion;
    private final String domain;
    private final String username;
    private final String password;
    private final String subject;
    private final String recipientTo;
    private final List<String> recipientToList;
    private final List<String> recipientCc;
    private final List<String> recipientBcc;
    private final List<String> attachments;
    private final String message;

    private ExchangeClient(ExchangeClientBuilder builder) {
   
        this.hostname = builder.hostname;
        this.exchangeVersion = builder.exchangeVersion;
        this.domain = builder.domain;
        this.username = builder.username;
        this.password = builder.password;
        this.subject = builder.subject;
        this.recipientTo = builder.recipientTo;
        this.recipientToList = builder.recipientToList;
        this.recipientCc = builder.recipientCc;
        this.recipientBcc = builder.recipientBcc;
        this.attachments = builder.attachments;
        this.message = builder.message;
    }

    public static class ExchangeClientBuilder {
   

        private String hostname;
        private ExchangeVersion exchangeVersion;
        private String domain;
        private String username;
        private String password;
        private String subject;
        private String recipientTo;
        private List<String> recipientToList;
        private List<String><