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很久没 有更新过博客了，这几个月比较忙，人也比较懒散，今天已经是八月份，新的一个月希望要换一个状态。今天要写的文章是我四月份写的一个功能，一直拖到现在才 发表。在企业内部我们一般都是使用微软的Exchange服务器来进行邮件的存储及发送，我们一般在客户端用outlook来收发邮件。工作中遇到了一个 需求，需要写一个程序来抓取邮件服务器的邮件，并将抓取下来的邮件存储到数据库中。之前已经发表过一篇文章，是利用Jmail组件来抓取，可以抓取我们常 用的一些邮箱的邮件，比如说163，gmail等，但是不能抓取exchange服务器中的邮件，所以需要重新写，最后决定使用Exchange 2007 中提供的webservice来抓取邮件。网络上这方面的资料很少，所以大部分的参考是来自MSDN：
http://msdn.microsoft.com/en-us/library/exchangewebservices(EXCHG.80).aspx
2007版的Exchange服务器提供了webservice，我们可以方便的在.NET程序中添加该引用，然后就可以方便的实现邮件的抓取，发送，删除等功能。我测试是在控制台程序中使用该webservice，步骤如下：
1 新建一个站点，然后添加 exchange webservice 的引用， 输入邮件服务器的 OWA 地址：http://yourmailserver/EWS/Services.wsdl ,如果是在公司的内部域中，添加的过程中要求输入你的域帐号和密码。
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2 添加成功以后再项目中导入该命名空间以其他必须的命名空间 ;
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3 下面就是具体的代码，具体的请看注释：
发送邮件：
?
?1
???????? public ? static ? void ?CreateEmail( string ?userName,? string ?passWord,? string ?domain,? string ?url,? string ?mailFrom,? string
?mailTo)
?2 
????????
{
?3
???????????? // ?Create?service?binding.
?4
???????????? // ?建立service绑定
?5
????????????ExchangeServiceBinding?esb? = ? new ?ExchangeServiceBinding();
?6
????????????esb.Credentials? = ? new ?NetworkCredential(userName,?passWord,?domain);
?7
????????????esb.Url? = ?url;
?8
?9
???????????? // ?Create?the?CreateItem?request.
10
????????????CreateItemType?createItemRequest? = ? new ?CreateItemType();
11
12
???????????? // ?Specifiy?how?the?created?items?are?handled
13
???????????? // ?如何处理邮件
14
????????????createItemRequest.MessageDisposition? = ?MessageDispositionType.SendAndSaveCopy;
15
????????????createItemRequest.MessageDispositionSpecified? = ? true ;
16
17
???????????? // ?Specify?the?location?of?sent?items.?
18
????????????createItemRequest.SavedItemFolderId? = ? new ?TargetFolderIdType();
19
????????????DistinguishedFolderIdType?sentitems? = ? new ?DistinguishedFolderIdType();
20
????????????sentitems.Id? = ?DistinguishedFolderIdNameType.sentitems;
21
????????????createItemRequest.SavedItemFolderId.Item? = ?sentitems;
22
23
???????????? // ?Create?the?array?of?items.
24
????????????createItemRequest.Items? = ? new ?NonEmptyArrayOfAllItemsType();
25
26
???????????? // ?Create?a?single?e-mail?message.
27
???????????? // ?新建一封邮件message对象
28
????????????MessageType?message? = ? new ?MessageType();
29
????????????message.Subject? = ? " Tommy?Test " ;
30
????????????message.Body? = ? new ?BodyType();
31
????????????message.Body.BodyType1? = ?BodyTypeType.Text;
32
????????????message.Body.Value? = ? " This?is?tommy's?test?use?exchange?webservice " ;
33
????????????message.ItemClass? = ? " IPM.Note " ;
34
????????????message.Sender? = ? new ?SingleRecipientType();
35
????????????message.Sender.Item? = ? new ?EmailAddressType();
36
????????????message.Sender.Item.EmailAddress? = ?mailFrom;
37
????????????message.ToRecipients? = ? new ?EmailAddressType[ 1 ];
38
????????????message.ToRecipients[ 0 ]? = ? new ?EmailAddressType();
39
????????????message.ToRecipients[ 0 ].EmailAddress? = ?mailTo;
40
????????????message.Sensitivity? = ?SensitivityChoicesType.Normal;
41
42
???????????? // ?Add?the?message?to?the?array?of?items?to?be?created.
43
????????????createItemRequest.Items.Items? = ? new ?ItemType[ 1 ];
44
????????????createItemRequest.Items.Items[ 0 ]? = ?message;
45
46
???????????? try
47 
????????????
{
48
???????????????? // ?Send?the?request?to?create?and?send?the?e-mail?item,?and?get?the?response.
49
????????????????CreateItemResponseType?createItemResponse? = ?esb.CreateItem(createItemRequest);
50
51
???????????????? // ?Determine?whether?the?request?was?a?success.
52
???????????????? if ?(createItemResponse.ResponseMessages.Items[ 0 ].ResponseClass? == ?ResponseClassType.Error)
53 
????????????????
{
54
???????????????????? throw ? new ?Exception(createItemResponse.ResponseMessages.Items[ 0 ].MessageText);
55
????????????????}
56
???????????????? else
57 
????????????????
{
58
????????????????????Console.WriteLine( " Item?was?created " );
59
????????????????????Console.ReadLine();
60
????????????????}
61
????????????}
62
???????????? catch ?(Exception?e)
63 
????????????
{
64
????????????????Console.WriteLine(e.Message);
65
????????????????Console.ReadLine();
66
????????????}
67
????????}
?
抓取以及删除邮件：
?
??1
? public ? static ? void ?GetMailMessage( string ?userName,? string
?url)
??2 
????????
{
??3
???????????? // ?绑定exchange服务器
??4
????????????ExchangeServiceBinding?exchangeServer? = ? new ?ExchangeServiceBinding();
??5
????????????ICredentials?creds? = ? new ?NetworkCredential(userName,?domain);
??6
??7
???????????? // ?建立信任连接
??8
????????????exchangeServer.Credentials? = ?creds;
??9
????????????exchangeServer.Url? = ?url;
?10
?11
???????????? // ?定义邮件的收件箱
?12
????????????DistinguishedFolderIdType[]?folderIDArray? = ? new ?DistinguishedFolderIdType[ 1 ];
?13
????????????folderIDArray[ 0 ]? = ? new ?DistinguishedFolderIdType();
?14
????????????folderIDArray[ 0 ].Id? = ?DistinguishedFolderIdNameType.inbox;
?15
?16
????????????PathToUnindexedFieldType?ptuftDisplayName? = ? new ?PathToUnindexedFieldType();
?17
????????????ptuftDisplayName.FieldURI? = ?UnindexedFieldURIType.folderDisplayName;
?18
?19
????????????PathToExtendedFieldType?pteftComment? = ? new ?PathToExtendedFieldType();
?20
????????????pteftComment.PropertyTag? = ? " 0x3004 " ;? // ?PR_COMMENT
?21
????????????pteftComment.PropertyType? = ?MapiPropertyTypeType.String;
?22
?23
???????????? // ?定义GetFolderType对象，设置相应属性
?24
????????????GetFolderType?myfoldertype? = ? new ?GetFolderType();
?25
????????????myfoldertype.FolderIds? = ?folderIDArray;
?26
????????????myfoldertype.FolderShape? = ? new ?FolderResponseShapeType();
?27
????????????myfoldertype.FolderShape.BaseShape? = ?DefaultShapeNamesType.IdOnly;
?28
????????????myfoldertype.FolderShape.AdditionalProperties? = ? new ?BasePathToElementType[ 2 ];
?29
????????????myfoldertype.FolderShape.AdditionalProperties[ 0 ]? = ?ptuftDisplayName;
?30
????????????myfoldertype.FolderShape.AdditionalProperties[ 1 ]? = ?pteftComment;
?31
?32
???????????? // ?获取服务器中的文件夹的集合
?33
????????????GetFolderResponseType?myFolder? = ?exchangeServer.GetFolder(myfoldertype);
?34
?35
???????????? // ?获取收件箱
?36
????????????FolderInfoResponseMessageType?firmtInbox? =
?37
????????????????(FolderInfoResponseMessageType)myFolder.ResponseMessages.Items[ 0 ];
?38
?39
???????????? // ?显示收件箱
?40
????????????Console.WriteLine( string .Format( " got?folder:?{0} " ,?firmtInbox.Folders[ 0 ].DisplayName));
?41
?42
?43
????????????PathToUnindexedFieldType?ptuftSubject? = ? new ?PathToUnindexedFieldType();
?44
????????????ptuftSubject.FieldURI? = ?UnindexedFieldURIType.itemSubject;
?45
?46
????????????PathToUnindexedFieldType?ptuftBody? = ? new ?PathToUnindexedFieldType();
?47
????????????ptuftBody.FieldURI? = ?UnindexedFieldURIType.itemAttachments;
?48
?49
????????????PathToExtendedFieldType?pteftFlagStatus? = ? new ?PathToExtendedFieldType();
?50
????????????pteftFlagStatus.PropertyTag? = ? " 0x1090 " ;? // ?PR_FLAG_STATUS
?51
????????????pteftFlagStatus.PropertyType? = ?MapiPropertyTypeType.Integer;
?52
?53
???????????? // ?定义FindItemType对象，准备获取收件箱中的集合
?54
????????????FindItemType?findItemRequest? = ? new ?FindItemType();
?55
????????????findItemRequest.Traversal? = ?ItemQueryTraversalType.Shallow;
?56
????????????findItemRequest.ItemShape? = ? new ?ItemResponseShapeType();
?57
????????????findItemRequest.ItemShape.BaseShape? = ?DefaultShapeNamesType.AllProperties;
?58
?59
?60
????????????findItemRequest.ParentFolderIds? = ? new ?FolderIdType[ 1 ];
?61
????????????findItemRequest.ParentFolderIds[ 0 ]? = ?firmtInbox.Folders[ 0 ].FolderId;
?62
?63
???????????? // ?获取邮件
?64
????????????FindItemResponseType?firt? = ?exchangeServer.FindItem(findItemRequest);
?65
?66
???????????? // ?循环迭代每一封邮件
?67
???????????? foreach ?(FindItemResponseMessageType?firmtMessage? in ?firt.ResponseMessages.Items)
?68 
????????????
{
?69
???????????????? // ?如果包含邮件，显示出来
?70
???????????????? if ?(firmtMessage.RootFolder.TotalItemsInView? > ? 0 )
?71 
????????????????
{
?72
???????????????????? // ?循环迭代每一封邮件详细信息
?73
???????????????????? foreach ?(ItemType?it? in ?((ArrayOfRealItemsType)firmtMessage.RootFolder.Item).Items)
?74 
????????????????????
{
?75
????????????????????????Console.WriteLine( string .Format( " 邮件标题:?{0}? " ,?it.Subject));
?76
????????????????????????Console.WriteLine( string .Format( " 发件人:?{0}? " ,((MessageType)(it)).From.Item.Name));
?77
????????????????????????Console.WriteLine( string .Format( " 收件人:?{0}? " ,?it.DisplayTo));
?78
????????????????????????Console.WriteLine( string .Format( " 抄送:?{0}? " ,?it.DisplayCc));
?79
????????????????????????Console.WriteLine( string .Format( " 大小:?{0}? " ,?it.Size.ToString()));
?80
????????????????????????Console.WriteLine( string .Format( " 重要性:?{0}? " ,?it.Importance.ToString()));
?81
????????????????????????Console.WriteLine( string .Format( " 是否已读:?{0}? " ,?((MessageType)(it)).IsRead.ToString()));
?82
????????????????????????Console.WriteLine( string .Format( " 是否有附件:?{0}? " ,?it.HasAttachments.ToString()));
?83
???????????????????????? // Console.WriteLine(string.Format("发送时间：{0}",?it.DateTimeSent.ToString()));
?84
????????????????????????Console.WriteLine( string .Format( " 接收时间:?{0}? " ,?it.DateTimeReceived.ToString()));
?85
????????????????????????
?86
????????????????????????
?87
???????????????????????? // ?通过GetItemType对象来得到邮件的正文
?88
????????????????????????GetItemType?getItemRequest? = ? new ?GetItemType();
?89
???????????????????????? // ?设置必要的属性
?90
????????????????????????getItemRequest.ItemIds? = ? new ?BaseItemIdType[ 1 ];
?91
????????????????????????getItemRequest.ItemIds[ 0 ]? = ?(BaseItemIdType)it.ItemId;
?92
????????????????????????getItemRequest.ItemShape? = ? new ?ItemResponseShapeType();
?93
????????????????????????getItemRequest.ItemShape.BaseShape? = ?DefaultShapeNamesType.AllProperties;
?94
????????????????????????getItemRequest.ItemShape.IncludeMimeContent? = ? true ;
?95
?96
???????????????????????? // ?获得服务器的相应
?97
????????????????????????GetItemResponseType?getItemResponse? = ?exchangeServer.GetItem(getItemRequest);
?98
?99
???????????????????????? // ?得到邮件体
100
????????????????????????ItemInfoResponseMessageType?getItemResponseMessage? =
101
??????????????????????????????????????????????getItemResponse.ResponseMessages.Items[ 0 ]? as
102
??????????????????????????????????????????????ItemInfoResponseMessageType;
103
104
???????????????????????? // ?显示邮件正文
105
????????????????????????Console.WriteLine( " 邮件格式：{0} " ,?getItemResponseMessage.Items.Items[ 0 ].Body.BodyType1);
106
????????????????????????Console.WriteLine( string .Format( " 正文：{0} " ,?getItemResponseMessage.Items.Items[ 0 ].Body.Value));
107
108
???????????????????????? // ?获取当前邮件的附件集合
109
???????????????????????? if ?(getItemResponseMessage.Items.Items[ 0 ].HasAttachments)
110 
????????????????????????
{
111
????????????????????????????AttachmentType[]?attachments? = ?getItemResponseMessage.Items.Items[ 0 ].Attachments;
112
113
???????????????????????????? // ?循环获取当前邮件的每一个附件
114
???????????????????????????? for ?( int ?i? = ? 0 ;?i? <= ?attachments.Length? - ? 1 ;i ++ ?)
115 
????????????????????????????
{
116
???????????????????????????????? // ?定义GetAttachmentType，设置相应的属性，进行模式验证来获取附件
117
????????????????????????????????GetAttachmentType?getAttachment? = ? new ?GetAttachmentType();
118
????????????????????????????????RequestAttachmentIdType[]?attachmentIDArry? = ? new ?RequestAttachmentIdType[ 1 ];
119
????????????????????????????????attachmentIDArry[ 0 ]? = ? new ?RequestAttachmentIdType();
120
????????????????????????????????attachmentIDArry[ 0 ].Id? = ?attachments[i].AttachmentId.Id;
121
????????????????????????????????getAttachment.AttachmentIds? = ?attachmentIDArry;
122
????????????????????????????????getAttachment.AttachmentShape? = ? new ?AttachmentResponseShapeType();
123
????????????????????????????????
124
???????????????????????????????? // ?获取附件
125
????????????????????????????????GetAttachmentResponseType?getAttachmentResponse? = ?exchangeServer.GetAttachment(getAttachment);
126
127
???????????????????????????????? // ?返回服务器的响应对象
128
????????????????????????????????AttachmentInfoResponseMessageType?responseMessage? = ?getAttachmentResponse.ResponseMessages.Items[ 0 ]? as ?AttachmentInfoResponseMessageType;
129
???????????????????????????????? if ?(responseMessage? != ? null )
130 
????????????????????????????????
{
131
???????????????????????????????????? // ?没有异常，显示附件信息
132
???????????????????????????????????? if ?(responseMessage.ResponseClass? == ?ResponseClassType.Success? && ?responseMessage.Attachments? != ? null
133
??????????????????????????????????????????????????????????? && ?responseMessage.Attachments.Length? > ? 0 )
134 
????????????????????????????????????
{
135
????????????????????????????????????????AttachmentType?attachment? = ?responseMessage.Attachments[ 0 ];
136
????????????????????????????????????????Console.WriteLine( " 附件名：{0}/n " ,?attachment.Name);
137
???????????????????????????????????????? // Console.WriteLine("附件类型：{0}/n",?attachment.ContentId);????????????????????????????????????????????????????
138
????????????????????????????????????}
139
????????????????????????????????}
140
????????????????????????????}
141
????????????????????????}
142
143
???????????????????????? // ?删除当前邮件
144
????????????????????????DeleteItemType?deleteItem? = ? new ?DeleteItemType();
145
????????????????????????deleteItem.ItemIds? = ? new ?BaseItemIdType[ 1 ];
146
147
???????????????????????? // ?将要删除邮件的ID,changekey赋值给ItemIdType对象
148
????????????????????????ItemIdType?itemIDType? = ? new ?ItemIdType();
149
????????????????????????itemIDType.Id? = ?it.ItemId.Id;
150
????????????????????????itemIDType.ChangeKey? = ?it.ItemId.ChangeKey;
151
152
????????????????????????deleteItem.ItemIds[ 0 ]? = ?itemIDType;
153
154
???????????????????????? // ?执行删除
155
????????????????????????DeleteItemResponseType?deleteResponse? = ?exchangeServer.DeleteItem(deleteItem);
156
157
???????????????????????? // ?删除成功
158
???????????????????????? if ?(deleteResponse.ResponseMessages.Items.Length? > ? 0 ? && ?deleteResponse.ResponseMessages.Items[ 0 ].ResponseClass? == ?ResponseClassType.Success)
159 
????????????????????????
{
160
????????????????????????????Console.WriteLine( " 删除成功 " );
161
????????????????????????}
162
????????????????????????
163
????????????????????}
164
????????????????}
165
166
????????????}
167
????????}
（编辑：李大同）
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