java使用ews-java-api发送邮件（包括附件和内联图片处理）

不废话，开整

依赖

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

代码

import microsoft.exchange.webservices.data.core.ExchangeService;
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.AttachmentCollection;
import microsoft.exchange.webservices.data.property.complex.EmailAddressCollection;
import microsoft.exchange.webservices.data.property.complex.MessageBody;

import java.io.*;
import java.net.URI;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.UUID;

public class EwsSendEmail {
	//ews-api新建发送邮件
	public static void main(String[] args) {
		SimpleDateFormat sf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		String dateStr=sf.format(new Date());
		try {
			System.out.println(dateStr+"发邮件开始====================");
	        ExchangeService service = new ExchangeService();
			ExchangeCredentials credentials = new WebCredentials("ad", "pwd","domain");  
			service.setCredentials(credentials);
			service.setUrl(new URI("https://xxxx.com/ews/exchange.asmx"));     
			service.setTraceEnabled(true);
			EmailMessage email = new EmailMessage(service);
			//邮件标题
			email.setSubject("邮件标题");
			//邮件详情
			String uuid= UUID.randomUUID().toString().toLowerCase();
			//普通邮件详情（两种邮件详情选其一）
			email.setBody(new MessageBody("<div>邮件详情，发自XXX</div><div><br></div>"));
			//带内联图片邮件详情（两种邮件详情选其一）
			email.setBody(new MessageBody("<div><img src=\"cid:"+uuid+"\">邮件详情发自XXX</div><div><br></div>"));
			//收件人
			EmailAddressCollection toCollection = email.getToRecipients();
			toCollection.add("[e-mail]");
            //抄送
            EmailAddressCollection ccCollection = email.getCcRecipients();
            ccCollection.add("[e-mail]");
            //密送
            EmailAddressCollection bccCollection = email.getBccRecipients();
            bccCollection.add("[e-mail]");
            //附件
            AttachmentCollection attachmentCollection = email.getAttachments();
            File file=new File("C:/Users/admin/Desktop/工作/新建 XLSX 工作表.xlsx");
            attachmentCollection.addFileAttachment(file.getName(), FileTobyte(file));
			//内联附件
			int count=attachmentCollection.getItems().size();//当前邮件已经存在多少附件
            File file2=new File("C:/Users/admin/Desktop/工作/图片/111.png");
            attachmentCollection.addFileAttachment(file.getName(), FileTobyte(file2));
            attachmentCollection.getItems().get(count).setIsInline(true);//设置当前附件为内联
            attachmentCollection.getItems().get(count).setContentId(uuid);//设置当前附件id
			
            email.sendAndSaveCopy();//发送并保存副本到已发送文件夹，如不需要保存则send()
	        System.out.println(dateStr+"发邮件结束====================");
		} catch (Exception e) {
			System.out.println(dateStr+"发邮件异常====================");
			e.printStackTrace();
		}
	}
	 public static byte[] FileTobyte(File file) {
        byte[] buffer = null;
        try {
            FileInputStream fis = new FileInputStream(file);
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            byte[] b = new byte[1024];
            int n;
            while ((n = fis.read(b)) != -1) {
                bos.write(b, 0, n);
            }
            fis.close();
            bos.close();
            buffer = bos.toByteArray();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return buffer;
    }
}

注意：普通邮件详情和带内联图片邮件详情选择其一。
有疑问欢迎留言。