本文将带你了解exchange服务器之Java 读取Exchange server 未读邮件数量，希望本文对大家学Exchange有所帮助。

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1、准备工作



一、打开exchange shell，使用如下命令提升administrator账号为exchange超级管理，让它具有对其他用户操作的权限



New-ManagementRoleAssignment -Name:impersonationAssignmentName -Role:ApplicationImpersonation -User:administrator1

注:如果以上命令执行失败，请尝试先执行下面这条命令，在执行上面的



Remove-ManagementRoleAssignment "impersonationAssignmentName"1



二、exchange server 可以进行web访问



https://xxxx.com/EWS/Exchange.asmx1



https://xxxx.com/owa1



三、添加邮箱账户

添加多个邮箱账户，同时给发这几个用户分别发送不同数量的邮件，记得不要查看，因为要读取未读邮件



2、关键代码



package com.codesql.utils;

import java.net.URI;

import microsoft.exchange.webservices.data.ConnectingIdType;
import microsoft.exchange.webservices.data.ExchangeCredentials;
import microsoft.exchange.webservices.data.ExchangeService;
import microsoft.exchange.webservices.data.ExchangeVersion;
import microsoft.exchange.webservices.data.Folder;
import microsoft.exchange.webservices.data.ImpersonatedUserId;
import microsoft.exchange.webservices.data.WebCredentials;
import microsoft.exchange.webservices.data.WellKnownFolderName;

public class ReaderExchanageUnreadMail {
    // aduser=administrator
    // adpass=密码
    // addomain=域的名字
    // suffix=@xxx.com
    // uri=https://mail.xxx.com/EWS/Exchange.asmx
    // sid 被查询用户的名称 
    public String getCount(String aduser, String adpass, String addomain, String uri, String suffix, String sid) throws Exception {
        String count = "0";
        ExchangeService service = new ExchangeService(
                ExchangeVersion.Exchange2010_SP1);
        ExchangeCredentials credentials = new WebCredentials(aduser, adpass,addomain);
        //ExchangeCredentials credentials = new WebCredentials("bbbb", "Aa123456","fr");
        service.setCredentials(credentials);
        ImpersonatedUserId other= new ImpersonatedUserId(ConnectingIdType.SmtpAddress, sid+suffix);
        service.setImpersonatedUserId(other);
        service.setUrl(new URI(uri));
        //service.setTraceEnabled(true);
        // 服务地址
        try {
            Folder inbox = Folder.bind(service, WellKnownFolderName.Inbox);
            // 收件箱
            // System.out.println("未读邮件数：" + inbox.getUnreadCount());

            count = inbox.getUnreadCount() + "";
        } catch (Exception e) {
        //  e.printStackTrace();
        }
        return count;
    }
}1234567891011121314151617181920212223242526272829303132333435363738394041424344

当然，为了方便调用，具体代码我已经打包成jar，你可以在文章末尾的链接中下载 


3、Reum.jar的使用



public class PropertiesParam {
    private String aduser;
    private String adpass;
    private String addomain;
    private String uri;
    private String suffix;

    public PropertiesParam(String aduser, String adpass, String addomain,
            String uri, String suffix) {
        super();
        this.aduser = aduser;
        this.adpass = adpass;
        this.addomain = addomain;
        this.uri = uri;
        this.suffix = suffix;
    }
    // 省略 get/set
    // toSting();
}12345678910111213141516171819

给ajax调用的方法



    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        String identify = "0"; // 未读邮件数量

        String sid = request.getParameter("sid"); // sid 邮箱用户名称
        ReaderExchanageUnreadMail  reum = new ReaderExchanageUnreadMail();
        try {
            identify = reum.getCount(initparam.getAduser(), initparam.getAdpass(),initparam.getAddomain()
                    , initparam.getUri(), initparam.getSuffix() , sid);
            System.out.println("count  " + identify);
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            request.setCharacterEncoding("utf-8");
            response.setContentType("text/html;charset=utf-8");
            PrintWriter out = response.getWriter();
            out.print(identify);
            out.flush();
            out.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }12345678910111213141516171819202122232425

jar下载地址：链接: https://pan.baidu.com/s/1SOioBPlEDyTl1qqCHjMDmg 密码: 3qh1 
备用下载地址：https://download.csdn.net/download/immortalitywang/10401841 
 
参考链接：https://blog.csdn.net/feihu19851111/article/details/17135825    

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