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[英]How to Get all unread mails from Exchange server 2007 using Exchange web service?
[英]Find all unread emails using Exchange Web Service 2010 then mark as read?
我正在使用Exchang Web Services 2010嘗試從郵箱中讀取所有未讀電子郵件,然后將其標記為已讀。
我基於這個例子:
http://msdn.microsoft.com/en-us/library/exchange/aa563373(v=exchg.140).aspx
並想出了這個來查找所有未讀的電子郵件,並閱讀正文內容:
//Set up the connection to exchange service
ExchangeServiceBinding exchangeService = new ExchangeServiceBinding();
exchangeService.Credentials = new NetworkCredential("userid", "password", "domain");
exchangeService.Url = "https://exchangeserver/ews/exchange.asmx";
//REturn all properties
FindItemType findType = new FindItemType();
findType.Traversal = ItemQueryTraversalType.Shallow;
findType.ItemShape = new ItemResponseShapeType();
findType.ItemShape.BaseShape = DefaultShapeNamesType.AllProperties;
//Only search the inbox
DistinguishedFolderIdType[] foldersToSearch = new DistinguishedFolderIdType[1];
foldersToSearch[0] = new DistinguishedFolderIdType();
foldersToSearch[0].Id = DistinguishedFolderIdNameType.inbox;
findType.ParentFolderIds = foldersToSearch;
//Only unread emails
RestrictionType restriction = new RestrictionType();
IsEqualToType isEqualTo = new IsEqualToType();
PathToUnindexedFieldType pathToFieldType = new PathToUnindexedFieldType();
pathToFieldType.FieldURI = UnindexedFieldURIType.messageIsRead;
//Not IsRead
FieldURIOrConstantType constantType = new FieldURIOrConstantType();
ConstantValueType constantValueType = new ConstantValueType();
constantValueType.Value = "0";
constantType.Item = constantValueType;
isEqualTo.Item = pathToFieldType;
isEqualTo.FieldURIOrConstant = constantType;
restriction.Item = isEqualTo;
//set the not IsRead restriction
findType.Restriction = restriction;
try
{
FindItemResponseType findResponse = exchangeService.FindItem(findType);
ResponseMessageType[] responseMessType = findResponse.ResponseMessages.Items;
List<ItemIdType> unreadItemIds = new List<ItemIdType>();
//get all unread item IDs
foreach (ResponseMessageType respMessage in responseMessType)
{
if(respMessage is FindItemResponseMessageType)
{
FindItemResponseMessageType itemResponse = (FindItemResponseMessageType)respMessage;
if (itemResponse.ResponseClass == ResponseClassType.Success)
{
if (itemResponse.RootFolder.Item != null)
{
if (itemResponse.RootFolder.Item is ArrayOfRealItemsType)
{
ArrayOfRealItemsType items = (ArrayOfRealItemsType)itemResponse.RootFolder.Item;
if (items.Items != null)
{
ItemType[] itemTypes = items.Items;
foreach (ItemType item in itemTypes)
{
if (item is MessageType)
{
unreadItemIds.Add(item.ItemId);
}
}
}
}
}
}
}
}
if (unreadItemIds.Count == 0)
MessageBox.Show("No unread emails found");
else
{
//Get all unread mail messages, display body
GetItemType getItemType = new GetItemType();
getItemType.ItemShape = new ItemResponseShapeType();
getItemType.ItemShape.BaseShape = DefaultShapeNamesType.AllProperties;
getItemType.ItemShape.BodyType = BodyTypeResponseType.Text;
getItemType.ItemShape.BodyTypeSpecified = true;
getItemType.ItemIds = unreadItemIds.ToArray();
GetItemResponseType getItemResponse = exchangeService.GetItem(getItemType);
if(getItemResponse.ResponseMessages != null)
{
ArrayOfResponseMessagesType responseMessages = getItemResponse.ResponseMessages;
foreach(ResponseMessageType responseMessage in responseMessages.Items)
{
if (responseMessage is ItemInfoResponseMessageType)
{
ItemInfoResponseMessageType responseItemInfo = (ItemInfoResponseMessageType)responseMessage;
if (responseItemInfo.Items != null)
{
ArrayOfRealItemsType responseRealItems = (ArrayOfRealItemsType)responseItemInfo.Items;
if (responseRealItems.Items != null)
{
foreach (ItemType responseItemType in responseRealItems.Items)
{
if (responseItemType is MessageType)
{
MessageType fullMessage = (MessageType)responseItemType;
BodyType body = fullMessage.Body;
if (body != null)
{
MessageBox.Show(body.Value);
}
}
}
}
}
}
}
}
}
}
catch(Exception ee)
{
MessageBox.Show(ee.Message +" " + (ee.InnerException ?? new Exception("")).Message);
}
這確實返回了所有未讀電子郵件正文的文本版本,但是必須有更有效的方式,不是嗎?
有誰知道如何將電子郵件MessageType
更新為已讀並將其發送回服務器?
我帶來了另一個答案元素,以幫助那些和我一樣陷入困境的人,以及那些使用EWS 2.0的人:
我在循環中使用Item類型來獲取郵箱中的郵件。 並且Item對象沒有IsRead屬性(但與EmailMessage對象類似)。 所以你可以在循環中用EmailMessage類型替換Item類型(因為允許從Item轉換為EmailMessage類型):
foreach (EmailMessage message in findResults.Items)
{
if(message.IsRead==false) //if the current message is unread
{
//treatment
}
else
{
}
}
這就是我開始工作的方式。
沒有一種方法可以使用EWS v1將MessageType
標記為已讀。 如果您遇到EWS v1,請參閱此MSDN博客文章以獲取解決方法。
EWS v2將IsRead屬性引入為可寫( message.IsRead = true; message.Update();
),這使得它變得微不足道。 您可以使用適用於Exchange 2007及更高版本的EWS v2托管API,但它是一個單獨的安裝。 有關更多信息,請參閱EWS托管API 2.0上的MSDN頁面 。
For Each appointment As EmailMessage In service.FindItems(WellKnownFolderName.Inbox, New SearchFilter.SearchFilterCollection(LogicalOperator.And, New SearchFilter.IsEqualTo(EmailMessageSchema.IsRead, False)), New ItemView(999))
' set as read
appointment.IsRead = True
appointment.Update(ConflictResolutionMode.AlwaysOverwrite)
Next
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