项目Item

Item元素表示 Exchange 存储中的一般项目。The Item element represents a generic item in the Exchange store.

<Item>
   <MimeContent/>
   <ItemId/>
   <ParentFolderId/>
   <ItemClass/>
   <Subject/>
   <Sensitivity/>
   <Body/>
   <Attachments/>
   <DateTimeReceived/>
   <Size/>
   <Categories/>
   <Importance/>
   <InReplyTo/>
   <IsSubmitted/>
   <IsDraft/>
   <IsFromMe/>
   <IsResend/>
   <IsUnmodified/>
   <InternetMessageHeaders/>
   <DateTimeSent/>
   <DateTimeCreated/>
   <ResponseObjects/>
   <ReminderDueBy/>
   <ReminderIsSet/>
   <ReminderMinutesBeforeStart/>
   <DisplayCc/>
   <DisplayTo/>
   <HasAttachments/>
   <ExtendedProperty/>
   <Culture/>
   <EffectiveRights/>
   <LastModifiedName/>
   <LastModifiedTime/>
   <IsAssociated/>
   <WebClientReadFormQueryString/>
   <WebClientEditFormQueryString/>
   <ConversationId/>
   <UniqueBody/>
</Item>

ItemTypeItemType

属性和元素Attributes and elements

下面各部分介绍了属性、子元素和父元素。The following sections describe attributes, child elements, and parent elements.

AttributesAttributes

无。None.

子元素Child elements

元素Element 说明Description
MimeContentMimeContent
包含以 base64Binary 格式表示的对象的本机多用途 Internet 邮件扩展(MIME)流。Contains the native Multipurpose Internet Mail Extensions (MIME) stream of an object that is represented in base64Binary format.
ItemIdItemId
包含 Exchange 存储中某项的唯一标识符和更改键。Contains the unique identifier and change key of an item in the Exchange store. 此属性是只读的。This property is read-only.
ParentFolderIdParentFolderId
表示包含项或文件夹的父文件夹的标识符。Represents the identifier of the parent folder that contains the item or folder. 此属性是只读的。This property is read-only.
ItemClassItemClass
表示项目的邮件类。Represents the message class of an item.
主题Subject
表示 Exchange 存储项和响应对象的主题。Represents the subject for Exchange store items and response objects. 主题限制为255个字符。The subject is limited to 255 characters.
SensitivitySensitivity
指示项的敏感度级别。Indicates the sensitivity level of an item.
BodyBody
表示邮件的实际正文内容。Represents the actual body content of a message.
附件Attachments
包含附加到 Exchange 存储中的项目的项目或文件。Contains the items or files that are attached to an item in the Exchange store.
DateTimeReceivedDateTimeReceived
表示邮箱中的项目的接收日期和时间。Represents the date and time that an item in a mailbox was received.
大小Size
表示项的大小(以字节为单位)。Represents the size in bytes of an item. 此属性是只读的。This property is read-only.
类别Categories
表示一个字符串集合,这些字符串标识邮箱中的项目所属的类别。Represents a collection of strings that identify to which categories an item in the mailbox belongs.
ImportanceImportance
介绍项的重要性。Describes the importance of an item.
InReplyToInReplyTo
表示此项是其回复项的标识符。Represents the identifier of the item to which this item is a reply.
IsSubmittedIsSubmitted
指示是否已将项目提交到 "发件箱" 默认文件夹。Indicates whether an item has been submitted to the Outbox default folder.
IsDraftIsDraft
表示是否尚未发送某个项目。Represents whether an item has not yet been sent.
IsFromMeIsFromMe
指示用户是否向其自身发送了项目。Indicates whether a user sent an item to itself.
IsResendIsResend
指示以前是否已发送过该项目。Indicates whether the item had previously been sent.
IsUnmodifiedIsUnmodified
指示项目是否已被修改。Indicates whether the item has been modified.
MessageInternetMessageHeaders
表示邮箱中的项目中包含的所有 Internet 邮件头的集合。Represents the collection of all Internet message headers that are contained within an item in a mailbox.
DateTimeSentDateTimeSent
表示邮箱中的项目的发送日期和时间。Represents the date and time that an item in a mailbox was sent.
DateTimeCreatedDateTimeCreated
表示邮箱中的给定项目的创建日期和时间。Represents the date and time that a given item in the mailbox was created.
ResponseObjectsResponseObjects
包含与 Exchange 存储中的项目关联的所有响应对象的集合。Contains a collection of all the response objects that are associated with an item in the Exchange store.
ReminderDueByReminderDueBy
表示事件发生的日期和时间。Represents the date and time when the event occurs. ReminderMinutesBeforeStart元素使用此元素来确定何时显示提醒。This is used by the ReminderMinutesBeforeStart element to determine when the reminder is displayed.
ReminderIsSetReminderIsSet
指示是否已为 Exchange 存储中的某个项目设置提醒。Indicates whether a reminder has been set for an item in the Exchange store.
ReminderMinutesBeforeStartReminderMinutesBeforeStart
表示在显示提醒时事件之前的分钟数。Represents the number of minutes before an event when a reminder is displayed.
DisplayCcDisplayCc
表示用于 "抄送" 框中的内容的显示字符串。Represents the display string that is used for the contents of the Cc box. 这是所有 Cc 收件人显示名称的串联字符串。This is the concatenated string of all Cc recipient display names.
DisplayToDisplayTo
表示用于 "To" 框中的内容的显示字符串。Represents the display string that is used for the contents of the To box. 这是所有收件人显示名称的串联字符串。This is the concatenated string of all To recipient display names.
HasAttachmentsHasAttachments
表示一个属性,如果一个项目至少有一个可见的附件,则设置为trueRepresents a property that is set to true if an item has attachments at least one visible attachment. 此属性是只读的。This property is read-only.
ExtendedPropertyExtendedProperty
标识文件夹和项的扩展属性。Identifies extended properties on folders and items.
CultureCulture
表示邮箱中给定项目的区域性。Represents the culture for a given item in a mailbox.
EffectiveRightsEffectiveRights
包含客户端的权利基础的项或文件夹的权限设置。此元素是只读的。Contains the client's rights based on the permission settings for the item or folder. This element is read-only.
LastModifiedNameLastModifiedName
包含上次修改项目的用户的显示名称。Contains the display name of the last user to modify an item.
LastModifiedTimeLastModifiedTime
指示项目的上次修改时间。Indicates when an item was last modified.
IsAssociatedIsAssociated
指示项目是否与文件夹相关联。Indicates whether the item is associated with a folder.
WebClientReadFormQueryStringWebClientReadFormQueryString
表示连接到 Microsoft Office Outlook Web App 终结点以在 Outlook Web App 中读取项目的 URL。Represents a URL to concatenate to the Microsoft Office Outlook Web App endpoint to read an item in Outlook Web App.
WebClientEditFormQueryStringWebClientEditFormQueryString
表示用于连接到 Outlook web App 终结点以在 Outlook Web App 中编辑项目的 URL。Represents a URL to concatenate to the Outlook Web App endpoint to edit an item in Outlook Web App.
ConversationIdConversationId
包含项或对话的标识符。Contains the identifier of an item or conversation.
UniqueBodyUniqueBody
表示一个 HTML 片段或纯文本,它表示此对话的唯一正文。Represents an HTML fragment or plain text which represents the unique body of this conversation.

父元素Parent elements

元素Element 说明Description
AdjacentMeetingsAdjacentMeetings
介绍与会议时间相邻的所有日历项目。Describes all calendar items that are adjacent to a meeting time.
AppendToItemFieldAppendToItemField
标识在UpdateItem 操作过程中追加到项目/文件夹的单个属性的数据。Identifies data to append to a single property of an item/folder during an UpdateItem operation.
ConflictingMeetingsConflictingMeetings
标识与会议时间冲突的所有项目。Identifies all items that conflict with a meeting time.
创建(ItemSync)Create (ItemSync)
标识要在本地客户端存储中创建的单个项目。Identifies a single item to create in the local client store.
ItemAttachmentItemAttachment
表示附加到另一个 Exchange 项目的 Exchange 项目。Represents an Exchange item that is attached to another Exchange item.
ItemsItems
包含项的数组。Contains an array of items.
项目(NonEmptyArrayOfAllItemsType)Items (NonEmptyArrayOfAllItemsType)
包含要在由ParentFolderId (TargetFolderIdType)元素标识的文件夹中创建的项的数组。Contains an array of items to create in the folder that is identified by the ParentFolderId (TargetFolderIdType) element.
SetItemFieldSetItemField
表示对UpdateItem 操作中项的单个属性的更新。Represents an update to a single property of an item in an UpdateItem operation.
Update (ItemSync)Update (ItemSync)
标识要在本地客户端存储中更新的单个项目。Identifies a single item to update in the local client store.

文本值Text value

无。None.

说明Remarks

请务必注意, ItemTypeTaskCalendarItemContactDistributionListMessage的基本类型。It is important to note that ItemType is the base type for Task, CalendarItem, Contact, DistributionList, and Message.

Message元素表示电子邮件以及 Exchange Web 服务(EWS)架构未强类型化的所有其他项目。Message elements represent e-mail messages and all other items that are not strongly typed by the Exchange Web Services (EWS) schema. 项目,如 IPM。共享和 IPM. InfoPath 以邮件元素的形式返回。Items such as IPM.Sharing and IPM.InfoPath are returned as Message elements. Microsoft Exchange Server 2010 不会在响应中返回基本项目元素。Microsoft Exchange Server 2010 does not return the base Item element in responses.

描述此元素的架构位于承载 Exchange Web Services 的 IIS 虚拟目录中。The schema that describes this element is located in the IIS virtual directory that hosts Exchange Web Services.

元素信息Element information

命名空间Namespace
https://schemas.microsoft.com/exchange/services/2006/types
架构名称Schema Name
类型架构Types schema
验证文件Validation File
Types.xsdTypes.xsd
可以为空Can be Empty
FalseFalse

另请参阅See also

Exchange 的 EWS 引用EWS reference for Exchange