Package.Open Método
Importante
Parte de la información hace referencia a la versión preliminar del producto, que puede haberse modificado sustancialmente antes de lanzar la versión definitiva. Microsoft no otorga ninguna garantía, explícita o implícita, con respecto a la información proporcionada aquí.
Abre un paquete.
Open(Stream) |
Abre un paquete en una secuencia de E/S especificada. |
Open(String) |
Abre un paquete en una ruta de acceso y un nombre de archivo especificados. |
Open(Stream, FileMode) |
Abre un paquete con una secuencia de E/S y un modo de archivo especificados. |
Open(String, FileMode) |
Abre un paquete en una ruta de acceso especificada con un modo de archivo especificado. |
Open(Stream, FileMode, FileAccess) |
Abre un paquete con una secuencia de E/S, un modo de archivo y la configuración de acceso de archivo especificados. |
Open(String, FileMode, FileAccess) |
Abre un paquete en una ruta de acceso especificada con un modo de archivo y la configuración de acceso de archivo especificados. |
Open(String, FileMode, FileAccess, FileShare) |
Abre un paquete en una ruta de acceso especificada con un modo de archivo, acceso de archivo y configuración de uso compartido de archivos especificados. |
En el ejemplo siguiente se muestra cómo crear un nuevo Package que incorpora PackageRelationship elementos y PackagePart junto con datos almacenados.
// -------------------------- CreatePackage --------------------------
/// <summary>
/// Creates a package zip file containing specified
/// content and resource files.</summary>
private static void CreatePackage()
{
// Convert system path and file names to Part URIs. In this example
// Uri partUriDocument /* /Content/Document.xml */ =
// PackUriHelper.CreatePartUri(
// new Uri("Content\Document.xml", UriKind.Relative));
// Uri partUriResource /* /Resources/Image1.jpg */ =
// PackUriHelper.CreatePartUri(
// new Uri("Resources\Image1.jpg", UriKind.Relative));
Uri partUriDocument = PackUriHelper.CreatePartUri(
new Uri(documentPath, UriKind.Relative));
Uri partUriResource = PackUriHelper.CreatePartUri(
new Uri(resourcePath, UriKind.Relative));
// Create the Package
// (If the package file already exists, FileMode.Create will
// automatically delete it first before creating a new one.
// The 'using' statement insures that 'package' is
// closed and disposed when it goes out of scope.)
using (Package package =
Package.Open(packagePath, FileMode.Create))
{
// Add the Document part to the Package
PackagePart packagePartDocument =
package.CreatePart(partUriDocument,
System.Net.Mime.MediaTypeNames.Text.Xml);
// Copy the data to the Document Part
using (FileStream fileStream = new FileStream(
documentPath, FileMode.Open, FileAccess.Read))
{
CopyStream(fileStream, packagePartDocument.GetStream());
}// end:using(fileStream) - Close and dispose fileStream.
// Add a Package Relationship to the Document Part
package.CreateRelationship(packagePartDocument.Uri,
TargetMode.Internal,
PackageRelationshipType);
// Add a Resource Part to the Package
PackagePart packagePartResource =
package.CreatePart(partUriResource,
System.Net.Mime.MediaTypeNames.Image.Jpeg);
// Copy the data to the Resource Part
using (FileStream fileStream = new FileStream(
resourcePath, FileMode.Open, FileAccess.Read))
{
CopyStream(fileStream, packagePartResource.GetStream());
}// end:using(fileStream) - Close and dispose fileStream.
// Add Relationship from the Document part to the Resource part
packagePartDocument.CreateRelationship(
new Uri(@"../resources/image1.jpg",
UriKind.Relative),
TargetMode.Internal,
ResourceRelationshipType);
}// end:using (Package package) - Close and dispose package.
}// end:CreatePackage()
// --------------------------- CopyStream ---------------------------
/// <summary>
/// Copies data from a source stream to a target stream.</summary>
/// <param name="source">
/// The source stream to copy from.</param>
/// <param name="target">
/// The destination stream to copy to.</param>
private static void CopyStream(Stream source, Stream target)
{
const int bufSize = 0x1000;
byte[] buf = new byte[bufSize];
int bytesRead = 0;
while ((bytesRead = source.Read(buf, 0, bufSize)) > 0)
target.Write(buf, 0, bytesRead);
}// end:CopyStream()
' -------------------------- CreatePackage --------------------------
''' <summary>
''' Creates a package zip file containing specified
''' content and resource files.</summary>
Private Shared Sub CreatePackage()
' Convert system path and file names to Part URIs. In this example
' Dim partUriDocument as Uri /* /Content/Document.xml */ =
' PackUriHelper.CreatePartUri(
' New Uri("Content\Document.xml", UriKind.Relative))
' Dim partUriResource as Uri /* /Resources/Image1.jpg */ =
' PackUriHelper.CreatePartUri(
' New Uri("Resources\Image1.jpg", UriKind.Relative))
Dim partUriDocument As Uri = PackUriHelper.CreatePartUri(New Uri(documentPath, UriKind.Relative))
Dim partUriResource As Uri = PackUriHelper.CreatePartUri(New Uri(resourcePath, UriKind.Relative))
' Create the Package
' (If the package file already exists, FileMode.Create will
' automatically delete it first before creating a new one.
' The 'using' statement insures that 'package' is
' closed and disposed when it goes out of scope.)
Using package As Package = Package.Open(packagePath, FileMode.Create)
' Add the Document part to the Package
Dim packagePartDocument As PackagePart = package.CreatePart(partUriDocument, System.Net.Mime.MediaTypeNames.Text.Xml)
' Copy the data to the Document Part
Using fileStream As New FileStream(documentPath, FileMode.Open, FileAccess.Read)
CopyStream(fileStream, packagePartDocument.GetStream())
End Using ' end:using(fileStream) - Close and dispose fileStream.
' Add a Package Relationship to the Document Part
package.CreateRelationship(packagePartDocument.Uri, TargetMode.Internal, PackageRelationshipType)
' Add a Resource Part to the Package
Dim packagePartResource As PackagePart = package.CreatePart(partUriResource, System.Net.Mime.MediaTypeNames.Image.Jpeg)
' Copy the data to the Resource Part
Using fileStream As New FileStream(resourcePath, FileMode.Open, FileAccess.Read)
CopyStream(fileStream, packagePartResource.GetStream())
End Using ' end:using(fileStream) - Close and dispose fileStream.
' Add Relationship from the Document part to the Resource part
packagePartDocument.CreateRelationship(New Uri("../resources/image1.jpg", UriKind.Relative), TargetMode.Internal, ResourceRelationshipType)
End Using ' end:using (Package package) - Close and dispose package.
End Sub
' --------------------------- CopyStream ---------------------------
''' <summary>
''' Copies data from a source stream to a target stream.</summary>
''' <param name="source">
''' The source stream to copy from.</param>
''' <param name="target">
''' The destination stream to copy to.</param>
Private Shared Sub CopyStream(ByVal source As Stream, ByVal target As Stream)
Const bufSize As Integer = &H1000
Dim buf(bufSize - 1) As Byte
Dim bytesRead As Integer = 0
bytesRead = source.Read(buf, 0, bufSize)
Do While bytesRead > 0
target.Write(buf, 0, bytesRead)
bytesRead = source.Read(buf, 0, bufSize)
Loop
End Sub
ZipPackage es el tipo de paquete predeterminado que usa el Open método .
Para obtener más información, consulte la especificación De convenciones de empaquetado abierto (OPC) disponible para su descarga en https://www.ecma-international.org/publications-and-standards/standards/ecma-376/.
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
Abre un paquete en una secuencia de E/S especificada.
public:
static System::IO::Packaging::Package ^ Open(System::IO::Stream ^ stream);
public static System.IO.Packaging.Package Open (System.IO.Stream stream);
static member Open : System.IO.Stream -> System.IO.Packaging.Package
Public Shared Function Open (stream As Stream) As Package
Parámetros
- stream
- Stream
Secuencia de E/S en la que se va a abrir el paquete.
Devoluciones
El paquete abierto.
Excepciones
stream
es null
.
El paquete que va a abrirse requiere permisos de lectura o de lectura y escritura y la stream
especificada es de sólo escritura; o bien, el paquete que va a abrirse requiere permisos de lectura o de lectura y escritura y la stream
es de sólo lectura.
Comentarios
ZipPackage es el tipo de paquete predeterminado que usa el Open método .
Para obtener más información, consulte la especificación De convenciones de empaquetado abierto (OPC) disponible para su descarga en https://www.ecma-international.org/publications-and-standards/standards/ecma-376/.
Se aplica a
.NET 9 y otras versiones
Producto | Versiones |
---|---|
.NET | Core 1.0, Core 1.1, 6, 7, 8, 9 |
.NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0 |
Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9 |
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
Abre un paquete en una ruta de acceso y un nombre de archivo especificados.
public:
static System::IO::Packaging::Package ^ Open(System::String ^ path);
public static System.IO.Packaging.Package Open (string path);
static member Open : string -> System.IO.Packaging.Package
Public Shared Function Open (path As String) As Package
Parámetros
- path
- String
Ruta de acceso y nombre de archivo del paquete.
Devoluciones
El paquete abierto.
Excepciones
path
es null
.
Ejemplos
En el ejemplo siguiente se muestra cómo crear un nuevo Package que incorpora PackageRelationship elementos y PackagePart junto con datos almacenados.
// -------------------------- CreatePackage --------------------------
/// <summary>
/// Creates a package zip file containing specified
/// content and resource files.</summary>
private static void CreatePackage()
{
// Convert system path and file names to Part URIs. In this example
// Uri partUriDocument /* /Content/Document.xml */ =
// PackUriHelper.CreatePartUri(
// new Uri("Content\Document.xml", UriKind.Relative));
// Uri partUriResource /* /Resources/Image1.jpg */ =
// PackUriHelper.CreatePartUri(
// new Uri("Resources\Image1.jpg", UriKind.Relative));
Uri partUriDocument = PackUriHelper.CreatePartUri(
new Uri(documentPath, UriKind.Relative));
Uri partUriResource = PackUriHelper.CreatePartUri(
new Uri(resourcePath, UriKind.Relative));
// Create the Package
// (If the package file already exists, FileMode.Create will
// automatically delete it first before creating a new one.
// The 'using' statement insures that 'package' is
// closed and disposed when it goes out of scope.)
using (Package package =
Package.Open(packagePath, FileMode.Create))
{
// Add the Document part to the Package
PackagePart packagePartDocument =
package.CreatePart(partUriDocument,
System.Net.Mime.MediaTypeNames.Text.Xml);
// Copy the data to the Document Part
using (FileStream fileStream = new FileStream(
documentPath, FileMode.Open, FileAccess.Read))
{
CopyStream(fileStream, packagePartDocument.GetStream());
}// end:using(fileStream) - Close and dispose fileStream.
// Add a Package Relationship to the Document Part
package.CreateRelationship(packagePartDocument.Uri,
TargetMode.Internal,
PackageRelationshipType);
// Add a Resource Part to the Package
PackagePart packagePartResource =
package.CreatePart(partUriResource,
System.Net.Mime.MediaTypeNames.Image.Jpeg);
// Copy the data to the Resource Part
using (FileStream fileStream = new FileStream(
resourcePath, FileMode.Open, FileAccess.Read))
{
CopyStream(fileStream, packagePartResource.GetStream());
}// end:using(fileStream) - Close and dispose fileStream.
// Add Relationship from the Document part to the Resource part
packagePartDocument.CreateRelationship(
new Uri(@"../resources/image1.jpg",
UriKind.Relative),
TargetMode.Internal,
ResourceRelationshipType);
}// end:using (Package package) - Close and dispose package.
}// end:CreatePackage()
// --------------------------- CopyStream ---------------------------
/// <summary>
/// Copies data from a source stream to a target stream.</summary>
/// <param name="source">
/// The source stream to copy from.</param>
/// <param name="target">
/// The destination stream to copy to.</param>
private static void CopyStream(Stream source, Stream target)
{
const int bufSize = 0x1000;
byte[] buf = new byte[bufSize];
int bytesRead = 0;
while ((bytesRead = source.Read(buf, 0, bufSize)) > 0)
target.Write(buf, 0, bytesRead);
}// end:CopyStream()
' -------------------------- CreatePackage --------------------------
''' <summary>
''' Creates a package zip file containing specified
''' content and resource files.</summary>
Private Shared Sub CreatePackage()
' Convert system path and file names to Part URIs. In this example
' Dim partUriDocument as Uri /* /Content/Document.xml */ =
' PackUriHelper.CreatePartUri(
' New Uri("Content\Document.xml", UriKind.Relative))
' Dim partUriResource as Uri /* /Resources/Image1.jpg */ =
' PackUriHelper.CreatePartUri(
' New Uri("Resources\Image1.jpg", UriKind.Relative))
Dim partUriDocument As Uri = PackUriHelper.CreatePartUri(New Uri(documentPath, UriKind.Relative))
Dim partUriResource As Uri = PackUriHelper.CreatePartUri(New Uri(resourcePath, UriKind.Relative))
' Create the Package
' (If the package file already exists, FileMode.Create will
' automatically delete it first before creating a new one.
' The 'using' statement insures that 'package' is
' closed and disposed when it goes out of scope.)
Using package As Package = Package.Open(packagePath, FileMode.Create)
' Add the Document part to the Package
Dim packagePartDocument As PackagePart = package.CreatePart(partUriDocument, System.Net.Mime.MediaTypeNames.Text.Xml)
' Copy the data to the Document Part
Using fileStream As New FileStream(documentPath, FileMode.Open, FileAccess.Read)
CopyStream(fileStream, packagePartDocument.GetStream())
End Using ' end:using(fileStream) - Close and dispose fileStream.
' Add a Package Relationship to the Document Part
package.CreateRelationship(packagePartDocument.Uri, TargetMode.Internal, PackageRelationshipType)
' Add a Resource Part to the Package
Dim packagePartResource As PackagePart = package.CreatePart(partUriResource, System.Net.Mime.MediaTypeNames.Image.Jpeg)
' Copy the data to the Resource Part
Using fileStream As New FileStream(resourcePath, FileMode.Open, FileAccess.Read)
CopyStream(fileStream, packagePartResource.GetStream())
End Using ' end:using(fileStream) - Close and dispose fileStream.
' Add Relationship from the Document part to the Resource part
packagePartDocument.CreateRelationship(New Uri("../resources/image1.jpg", UriKind.Relative), TargetMode.Internal, ResourceRelationshipType)
End Using ' end:using (Package package) - Close and dispose package.
End Sub
' --------------------------- CopyStream ---------------------------
''' <summary>
''' Copies data from a source stream to a target stream.</summary>
''' <param name="source">
''' The source stream to copy from.</param>
''' <param name="target">
''' The destination stream to copy to.</param>
Private Shared Sub CopyStream(ByVal source As Stream, ByVal target As Stream)
Const bufSize As Integer = &H1000
Dim buf(bufSize - 1) As Byte
Dim bytesRead As Integer = 0
bytesRead = source.Read(buf, 0, bufSize)
Do While bytesRead > 0
target.Write(buf, 0, bytesRead)
bytesRead = source.Read(buf, 0, bufSize)
Loop
End Sub
Comentarios
ZipPackage es el tipo de paquete predeterminado que usa el Open método .
Este Open método abre el paquete con atributos predeterminados OpenOrCreate, ReadWritey None (para especificar atributos diferentes, use una de las otras sobrecargas del método Open).
Para obtener más información, consulte la especificación De convenciones de empaquetado abierto (OPC) disponible para su descarga en https://www.ecma-international.org/publications-and-standards/standards/ecma-376/.
Se aplica a
.NET 9 y otras versiones
Producto | Versiones |
---|---|
.NET | Core 1.0, Core 1.1, 6, 7, 8, 9 |
.NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0 |
Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9 |
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
Abre un paquete con una secuencia de E/S y un modo de archivo especificados.
public:
static System::IO::Packaging::Package ^ Open(System::IO::Stream ^ stream, System::IO::FileMode packageMode);
public static System.IO.Packaging.Package Open (System.IO.Stream stream, System.IO.FileMode packageMode);
static member Open : System.IO.Stream * System.IO.FileMode -> System.IO.Packaging.Package
Public Shared Function Open (stream As Stream, packageMode As FileMode) As Package
Parámetros
- stream
- Stream
Secuencia de E/S en la que se va a abrir el paquete.
- packageMode
- FileMode
Modo de archivo en el que se va a abrir el paquete.
Devoluciones
El paquete abierto.
Excepciones
stream
es null
.
El valor de packageMode
no es válido.
El paquete que va a abrirse requiere permisos de lectura o de lectura y escritura y la stream
especificada es de sólo escritura; o bien, el paquete que va a abrirse requiere permisos de lectura o de lectura y escritura y la stream
es de sólo lectura.
Comentarios
ZipPackage es el tipo de paquete predeterminado que usa el Open método .
Para obtener más información, consulte la especificación De convenciones de empaquetado abierto (OPC) disponible para su descarga en https://www.ecma-international.org/publications-and-standards/standards/ecma-376/.
Se aplica a
.NET 9 y otras versiones
Producto | Versiones |
---|---|
.NET | Core 1.0, Core 1.1, 6, 7, 8, 9 |
.NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0 |
Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9 |
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
Abre un paquete en una ruta de acceso especificada con un modo de archivo especificado.
public:
static System::IO::Packaging::Package ^ Open(System::String ^ path, System::IO::FileMode packageMode);
public static System.IO.Packaging.Package Open (string path, System.IO.FileMode packageMode);
static member Open : string * System.IO.FileMode -> System.IO.Packaging.Package
Public Shared Function Open (path As String, packageMode As FileMode) As Package
Parámetros
- path
- String
Ruta de acceso y nombre de archivo del paquete.
- packageMode
- FileMode
Modo de archivo en el que se va a abrir el paquete.
Devoluciones
El paquete abierto.
Excepciones
path
es null
.
El valor de packageMode
no es válido.
Ejemplos
En el ejemplo siguiente se muestra cómo crear un nuevo Package que incorpora PackageRelationship elementos y PackagePart junto con datos almacenados.
// -------------------------- CreatePackage --------------------------
/// <summary>
/// Creates a package zip file containing specified
/// content and resource files.</summary>
private static void CreatePackage()
{
// Convert system path and file names to Part URIs. In this example
// Uri partUriDocument /* /Content/Document.xml */ =
// PackUriHelper.CreatePartUri(
// new Uri("Content\Document.xml", UriKind.Relative));
// Uri partUriResource /* /Resources/Image1.jpg */ =
// PackUriHelper.CreatePartUri(
// new Uri("Resources\Image1.jpg", UriKind.Relative));
Uri partUriDocument = PackUriHelper.CreatePartUri(
new Uri(documentPath, UriKind.Relative));
Uri partUriResource = PackUriHelper.CreatePartUri(
new Uri(resourcePath, UriKind.Relative));
// Create the Package
// (If the package file already exists, FileMode.Create will
// automatically delete it first before creating a new one.
// The 'using' statement insures that 'package' is
// closed and disposed when it goes out of scope.)
using (Package package =
Package.Open(packagePath, FileMode.Create))
{
// Add the Document part to the Package
PackagePart packagePartDocument =
package.CreatePart(partUriDocument,
System.Net.Mime.MediaTypeNames.Text.Xml);
// Copy the data to the Document Part
using (FileStream fileStream = new FileStream(
documentPath, FileMode.Open, FileAccess.Read))
{
CopyStream(fileStream, packagePartDocument.GetStream());
}// end:using(fileStream) - Close and dispose fileStream.
// Add a Package Relationship to the Document Part
package.CreateRelationship(packagePartDocument.Uri,
TargetMode.Internal,
PackageRelationshipType);
// Add a Resource Part to the Package
PackagePart packagePartResource =
package.CreatePart(partUriResource,
System.Net.Mime.MediaTypeNames.Image.Jpeg);
// Copy the data to the Resource Part
using (FileStream fileStream = new FileStream(
resourcePath, FileMode.Open, FileAccess.Read))
{
CopyStream(fileStream, packagePartResource.GetStream());
}// end:using(fileStream) - Close and dispose fileStream.
// Add Relationship from the Document part to the Resource part
packagePartDocument.CreateRelationship(
new Uri(@"../resources/image1.jpg",
UriKind.Relative),
TargetMode.Internal,
ResourceRelationshipType);
}// end:using (Package package) - Close and dispose package.
}// end:CreatePackage()
// --------------------------- CopyStream ---------------------------
/// <summary>
/// Copies data from a source stream to a target stream.</summary>
/// <param name="source">
/// The source stream to copy from.</param>
/// <param name="target">
/// The destination stream to copy to.</param>
private static void CopyStream(Stream source, Stream target)
{
const int bufSize = 0x1000;
byte[] buf = new byte[bufSize];
int bytesRead = 0;
while ((bytesRead = source.Read(buf, 0, bufSize)) > 0)
target.Write(buf, 0, bytesRead);
}// end:CopyStream()
' -------------------------- CreatePackage --------------------------
''' <summary>
''' Creates a package zip file containing specified
''' content and resource files.</summary>
Private Shared Sub CreatePackage()
' Convert system path and file names to Part URIs. In this example
' Dim partUriDocument as Uri /* /Content/Document.xml */ =
' PackUriHelper.CreatePartUri(
' New Uri("Content\Document.xml", UriKind.Relative))
' Dim partUriResource as Uri /* /Resources/Image1.jpg */ =
' PackUriHelper.CreatePartUri(
' New Uri("Resources\Image1.jpg", UriKind.Relative))
Dim partUriDocument As Uri = PackUriHelper.CreatePartUri(New Uri(documentPath, UriKind.Relative))
Dim partUriResource As Uri = PackUriHelper.CreatePartUri(New Uri(resourcePath, UriKind.Relative))
' Create the Package
' (If the package file already exists, FileMode.Create will
' automatically delete it first before creating a new one.
' The 'using' statement insures that 'package' is
' closed and disposed when it goes out of scope.)
Using package As Package = Package.Open(packagePath, FileMode.Create)
' Add the Document part to the Package
Dim packagePartDocument As PackagePart = package.CreatePart(partUriDocument, System.Net.Mime.MediaTypeNames.Text.Xml)
' Copy the data to the Document Part
Using fileStream As New FileStream(documentPath, FileMode.Open, FileAccess.Read)
CopyStream(fileStream, packagePartDocument.GetStream())
End Using ' end:using(fileStream) - Close and dispose fileStream.
' Add a Package Relationship to the Document Part
package.CreateRelationship(packagePartDocument.Uri, TargetMode.Internal, PackageRelationshipType)
' Add a Resource Part to the Package
Dim packagePartResource As PackagePart = package.CreatePart(partUriResource, System.Net.Mime.MediaTypeNames.Image.Jpeg)
' Copy the data to the Resource Part
Using fileStream As New FileStream(resourcePath, FileMode.Open, FileAccess.Read)
CopyStream(fileStream, packagePartResource.GetStream())
End Using ' end:using(fileStream) - Close and dispose fileStream.
' Add Relationship from the Document part to the Resource part
packagePartDocument.CreateRelationship(New Uri("../resources/image1.jpg", UriKind.Relative), TargetMode.Internal, ResourceRelationshipType)
End Using ' end:using (Package package) - Close and dispose package.
End Sub
' --------------------------- CopyStream ---------------------------
''' <summary>
''' Copies data from a source stream to a target stream.</summary>
''' <param name="source">
''' The source stream to copy from.</param>
''' <param name="target">
''' The destination stream to copy to.</param>
Private Shared Sub CopyStream(ByVal source As Stream, ByVal target As Stream)
Const bufSize As Integer = &H1000
Dim buf(bufSize - 1) As Byte
Dim bytesRead As Integer = 0
bytesRead = source.Read(buf, 0, bufSize)
Do While bytesRead > 0
target.Write(buf, 0, bytesRead)
bytesRead = source.Read(buf, 0, bufSize)
Loop
End Sub
Comentarios
ZipPackage es el tipo de paquete predeterminado que usa el Open método .
Este Open método abre el paquete con atributos predeterminados ReadWrite y None (para especificar atributos diferentes, use una de las otras sobrecargas del método Open).
Para obtener más información, consulte la especificación De convenciones de empaquetado abierto (OPC) disponible para su descarga en https://www.ecma-international.org/publications-and-standards/standards/ecma-376/.
Se aplica a
.NET 9 y otras versiones
Producto | Versiones |
---|---|
.NET | Core 1.0, Core 1.1, 6, 7, 8, 9 |
.NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0 |
Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9 |
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
Abre un paquete con una secuencia de E/S, un modo de archivo y la configuración de acceso de archivo especificados.
public:
static System::IO::Packaging::Package ^ Open(System::IO::Stream ^ stream, System::IO::FileMode packageMode, System::IO::FileAccess packageAccess);
public static System.IO.Packaging.Package Open (System.IO.Stream stream, System.IO.FileMode packageMode, System.IO.FileAccess packageAccess);
static member Open : System.IO.Stream * System.IO.FileMode * System.IO.FileAccess -> System.IO.Packaging.Package
Public Shared Function Open (stream As Stream, packageMode As FileMode, packageAccess As FileAccess) As Package
Parámetros
- stream
- Stream
Secuencia de E/S en la que se va a abrir el paquete.
- packageMode
- FileMode
Modo de archivo en el que se va a abrir el paquete.
- packageAccess
- FileAccess
Acceso de archivo en el que se va a abrir el paquete.
Devoluciones
El paquete abierto.
Excepciones
stream
es null
.
El valor de packageMode
o packageAccess
no es válido.
El paquete que va a abrirse requiere permisos de lectura o de lectura y escritura y la stream
especificada es de sólo escritura; o bien, el paquete que va a abrirse requiere permisos de lectura o de lectura y escritura y la stream
es de sólo lectura.
Comentarios
ZipPackage es el tipo de paquete predeterminado que usa el Open método .
Para obtener más información, consulte la especificación De convenciones de empaquetado abierto (OPC) disponible para su descarga en https://www.ecma-international.org/publications-and-standards/standards/ecma-376/.
Se aplica a
.NET 9 y otras versiones
Producto | Versiones |
---|---|
.NET | Core 1.0, Core 1.1, 6, 7, 8, 9 |
.NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0 |
Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9 |
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
Abre un paquete en una ruta de acceso especificada con un modo de archivo y la configuración de acceso de archivo especificados.
public:
static System::IO::Packaging::Package ^ Open(System::String ^ path, System::IO::FileMode packageMode, System::IO::FileAccess packageAccess);
public static System.IO.Packaging.Package Open (string path, System.IO.FileMode packageMode, System.IO.FileAccess packageAccess);
static member Open : string * System.IO.FileMode * System.IO.FileAccess -> System.IO.Packaging.Package
Public Shared Function Open (path As String, packageMode As FileMode, packageAccess As FileAccess) As Package
Parámetros
- path
- String
Ruta de acceso y nombre de archivo del paquete.
- packageMode
- FileMode
Modo de archivo en el que se va a abrir el paquete.
- packageAccess
- FileAccess
Acceso de archivo en el que se va a abrir el paquete.
Devoluciones
El paquete abierto.
Excepciones
path
es null
.
El valor de packageMode
o packageAccess
no es válido.
Ejemplos
En el ejemplo siguiente se muestra cómo abrir y leer un Package objeto que contiene PackageRelationship y PackagePart elementos junto con los datos almacenados.
// Open the Package.
// ('using' statement insures that 'package' is
// closed and disposed when it goes out of scope.)
using (Package package =
Package.Open(packagePath, FileMode.Open, FileAccess.Read))
{
PackagePart documentPart = null;
PackagePart resourcePart = null;
// Get the Package Relationships and look for
// the Document part based on the RelationshipType
Uri uriDocumentTarget = null;
foreach (PackageRelationship relationship in
package.GetRelationshipsByType(PackageRelationshipType))
{
// Resolve the Relationship Target Uri
// so the Document Part can be retrieved.
uriDocumentTarget = PackUriHelper.ResolvePartUri(
new Uri("/", UriKind.Relative), relationship.TargetUri);
// Open the Document Part, write the contents to a file.
documentPart = package.GetPart(uriDocumentTarget);
ExtractPart(documentPart, targetDirectory);
}
// Get the Document part's Relationships,
// and look for required resources.
Uri uriResourceTarget = null;
foreach (PackageRelationship relationship in
documentPart.GetRelationshipsByType(
ResourceRelationshipType))
{
// Resolve the Relationship Target Uri
// so the Resource Part can be retrieved.
uriResourceTarget = PackUriHelper.ResolvePartUri(
documentPart.Uri, relationship.TargetUri);
// Open the Resource Part and write the contents to a file.
resourcePart = package.GetPart(uriResourceTarget);
ExtractPart(resourcePart, targetDirectory);
}
}// end:using(Package package) - Close & dispose package.
' Open the Package.
' ('using' statement insures that 'package' is
' closed and disposed when it goes out of scope.)
Using package As Package = Package.Open(packagePath, FileMode.Open, FileAccess.Read)
Dim documentPart As PackagePart = Nothing
Dim resourcePart As PackagePart = Nothing
' Get the Package Relationships and look for
' the Document part based on the RelationshipType
Dim uriDocumentTarget As Uri = Nothing
For Each relationship As PackageRelationship In package.GetRelationshipsByType(PackageRelationshipType)
' Resolve the Relationship Target Uri
' so the Document Part can be retrieved.
uriDocumentTarget = PackUriHelper.ResolvePartUri(New Uri("/", UriKind.Relative), relationship.TargetUri)
' Open the Document Part, write the contents to a file.
documentPart = package.GetPart(uriDocumentTarget)
ExtractPart(documentPart, targetDirectory)
Next relationship
' Get the Document part's Relationships,
' and look for required resources.
Dim uriResourceTarget As Uri = Nothing
For Each relationship As PackageRelationship In documentPart.GetRelationshipsByType(ResourceRelationshipType)
' Resolve the Relationship Target Uri
' so the Resource Part can be retrieved.
uriResourceTarget = PackUriHelper.ResolvePartUri(documentPart.Uri, relationship.TargetUri)
' Open the Resource Part and write the contents to a file.
resourcePart = package.GetPart(uriResourceTarget)
ExtractPart(resourcePart, targetDirectory)
Next relationship
End Using ' end:using(Package package) - Close & dispose package.
Comentarios
ZipPackage es el tipo de paquete predeterminado que usa el Open método .
Este Open método abre el paquete con un atributo predeterminado None (para especificar otro atributo, use la sobrecarga del Open método).
Para obtener más información, consulte la especificación De convenciones de empaquetado abierto (OPC) disponible para su descarga en https://www.ecma-international.org/publications-and-standards/standards/ecma-376/.
Se aplica a
.NET 9 y otras versiones
Producto | Versiones |
---|---|
.NET | Core 1.0, Core 1.1, 6, 7, 8, 9 |
.NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0 |
Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9 |
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
- Source:
- Package.cs
Abre un paquete en una ruta de acceso especificada con un modo de archivo, acceso de archivo y configuración de uso compartido de archivos especificados.
public:
static System::IO::Packaging::Package ^ Open(System::String ^ path, System::IO::FileMode packageMode, System::IO::FileAccess packageAccess, System::IO::FileShare packageShare);
public static System.IO.Packaging.Package Open (string path, System.IO.FileMode packageMode, System.IO.FileAccess packageAccess, System.IO.FileShare packageShare);
static member Open : string * System.IO.FileMode * System.IO.FileAccess * System.IO.FileShare -> System.IO.Packaging.Package
Public Shared Function Open (path As String, packageMode As FileMode, packageAccess As FileAccess, packageShare As FileShare) As Package
Parámetros
- path
- String
Ruta de acceso y nombre de archivo del paquete.
- packageMode
- FileMode
Modo de archivo en el que se va a abrir el paquete.
- packageAccess
- FileAccess
Acceso de archivo en el que se va a abrir el paquete.
- packageShare
- FileShare
Modo de uso compartido de archivos en el que se va a abrir el paquete.
Devoluciones
El paquete abierto.
Excepciones
path
es null
.
El valor de packageMode
, packageAccess
o packageShare
no es válido.
Ejemplos
En el ejemplo siguiente se muestra cómo crear un nuevo Package que incorpora PackageRelationship elementos y PackagePart junto con datos almacenados.
// -------------------------- CreatePackage --------------------------
/// <summary>
/// Creates a package zip file containing specified
/// content and resource files.</summary>
private static void CreatePackage()
{
// Convert system path and file names to Part URIs. In this example
// Uri partUriDocument /* /Content/Document.xml */ =
// PackUriHelper.CreatePartUri(
// new Uri("Content\Document.xml", UriKind.Relative));
// Uri partUriResource /* /Resources/Image1.jpg */ =
// PackUriHelper.CreatePartUri(
// new Uri("Resources\Image1.jpg", UriKind.Relative));
Uri partUriDocument = PackUriHelper.CreatePartUri(
new Uri(documentPath, UriKind.Relative));
Uri partUriResource = PackUriHelper.CreatePartUri(
new Uri(resourcePath, UriKind.Relative));
// Create the Package
// (If the package file already exists, FileMode.Create will
// automatically delete it first before creating a new one.
// The 'using' statement insures that 'package' is
// closed and disposed when it goes out of scope.)
using (Package package =
Package.Open(packagePath, FileMode.Create))
{
// Add the Document part to the Package
PackagePart packagePartDocument =
package.CreatePart(partUriDocument,
System.Net.Mime.MediaTypeNames.Text.Xml);
// Copy the data to the Document Part
using (FileStream fileStream = new FileStream(
documentPath, FileMode.Open, FileAccess.Read))
{
CopyStream(fileStream, packagePartDocument.GetStream());
}// end:using(fileStream) - Close and dispose fileStream.
// Add a Package Relationship to the Document Part
package.CreateRelationship(packagePartDocument.Uri,
TargetMode.Internal,
PackageRelationshipType);
// Add a Resource Part to the Package
PackagePart packagePartResource =
package.CreatePart(partUriResource,
System.Net.Mime.MediaTypeNames.Image.Jpeg);
// Copy the data to the Resource Part
using (FileStream fileStream = new FileStream(
resourcePath, FileMode.Open, FileAccess.Read))
{
CopyStream(fileStream, packagePartResource.GetStream());
}// end:using(fileStream) - Close and dispose fileStream.
// Add Relationship from the Document part to the Resource part
packagePartDocument.CreateRelationship(
new Uri(@"../resources/image1.jpg",
UriKind.Relative),
TargetMode.Internal,
ResourceRelationshipType);
}// end:using (Package package) - Close and dispose package.
}// end:CreatePackage()
// --------------------------- CopyStream ---------------------------
/// <summary>
/// Copies data from a source stream to a target stream.</summary>
/// <param name="source">
/// The source stream to copy from.</param>
/// <param name="target">
/// The destination stream to copy to.</param>
private static void CopyStream(Stream source, Stream target)
{
const int bufSize = 0x1000;
byte[] buf = new byte[bufSize];
int bytesRead = 0;
while ((bytesRead = source.Read(buf, 0, bufSize)) > 0)
target.Write(buf, 0, bytesRead);
}// end:CopyStream()
' -------------------------- CreatePackage --------------------------
''' <summary>
''' Creates a package zip file containing specified
''' content and resource files.</summary>
Private Shared Sub CreatePackage()
' Convert system path and file names to Part URIs. In this example
' Dim partUriDocument as Uri /* /Content/Document.xml */ =
' PackUriHelper.CreatePartUri(
' New Uri("Content\Document.xml", UriKind.Relative))
' Dim partUriResource as Uri /* /Resources/Image1.jpg */ =
' PackUriHelper.CreatePartUri(
' New Uri("Resources\Image1.jpg", UriKind.Relative))
Dim partUriDocument As Uri = PackUriHelper.CreatePartUri(New Uri(documentPath, UriKind.Relative))
Dim partUriResource As Uri = PackUriHelper.CreatePartUri(New Uri(resourcePath, UriKind.Relative))
' Create the Package
' (If the package file already exists, FileMode.Create will
' automatically delete it first before creating a new one.
' The 'using' statement insures that 'package' is
' closed and disposed when it goes out of scope.)
Using package As Package = Package.Open(packagePath, FileMode.Create)
' Add the Document part to the Package
Dim packagePartDocument As PackagePart = package.CreatePart(partUriDocument, System.Net.Mime.MediaTypeNames.Text.Xml)
' Copy the data to the Document Part
Using fileStream As New FileStream(documentPath, FileMode.Open, FileAccess.Read)
CopyStream(fileStream, packagePartDocument.GetStream())
End Using ' end:using(fileStream) - Close and dispose fileStream.
' Add a Package Relationship to the Document Part
package.CreateRelationship(packagePartDocument.Uri, TargetMode.Internal, PackageRelationshipType)
' Add a Resource Part to the Package
Dim packagePartResource As PackagePart = package.CreatePart(partUriResource, System.Net.Mime.MediaTypeNames.Image.Jpeg)
' Copy the data to the Resource Part
Using fileStream As New FileStream(resourcePath, FileMode.Open, FileAccess.Read)
CopyStream(fileStream, packagePartResource.GetStream())
End Using ' end:using(fileStream) - Close and dispose fileStream.
' Add Relationship from the Document part to the Resource part
packagePartDocument.CreateRelationship(New Uri("../resources/image1.jpg", UriKind.Relative), TargetMode.Internal, ResourceRelationshipType)
End Using ' end:using (Package package) - Close and dispose package.
End Sub
' --------------------------- CopyStream ---------------------------
''' <summary>
''' Copies data from a source stream to a target stream.</summary>
''' <param name="source">
''' The source stream to copy from.</param>
''' <param name="target">
''' The destination stream to copy to.</param>
Private Shared Sub CopyStream(ByVal source As Stream, ByVal target As Stream)
Const bufSize As Integer = &H1000
Dim buf(bufSize - 1) As Byte
Dim bytesRead As Integer = 0
bytesRead = source.Read(buf, 0, bufSize)
Do While bytesRead > 0
target.Write(buf, 0, bytesRead)
bytesRead = source.Read(buf, 0, bufSize)
Loop
End Sub
Comentarios
ZipPackage es el tipo de paquete predeterminado que usa el Open método .
Para obtener más información, consulte la especificación De convenciones de empaquetado abierto (OPC) disponible para su descarga en https://www.ecma-international.org/publications-and-standards/standards/ecma-376/.
Se aplica a
.NET 9 y otras versiones
Producto | Versiones |
---|---|
.NET | Core 1.0, Core 1.1, 6, 7, 8, 9 |
.NET Framework | 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0 |
Windows Desktop | 3.0, 3.1, 5, 6, 7, 8, 9 |
Comentarios de .NET
.NET es un proyecto de código abierto. Seleccione un vínculo para proporcionar comentarios: