StreamResponseBodyFeature.SendFileAsync 方法

定义

命名空间:

Microsoft.AspNetCore.Http

程序集:

Microsoft.AspNetCore.Http.dll

包:

Microsoft.AspNetCore.App.Ref v8.0.0

将指定的文件段复制到给定的响应流。 如果以前未调用过 StartAsync，则会调用 StartAsync。

public:
 virtual System::Threading::Tasks::Task ^ SendFileAsync(System::String ^ path, long offset, Nullable<long> count, System::Threading::CancellationToken cancellationToken);

public virtual System.Threading.Tasks.Task SendFileAsync (string path, long offset, long? count, System.Threading.CancellationToken cancellationToken);

abstract member SendFileAsync : string * int64 * Nullable<int64> * System.Threading.CancellationToken -> System.Threading.Tasks.Task
override this.SendFileAsync : string * int64 * Nullable<int64> * System.Threading.CancellationToken -> System.Threading.Tasks.Task

Public Overridable Function SendFileAsync (path As String, offset As Long, count As Nullable(Of Long), cancellationToken As CancellationToken) As Task

参数

path

String

文件的完整磁盘路径。

offset

Int64

文件中要开始的偏移量。

count

Nullable<Int64>

要发送的字节数，或 null 表示发送文件的其余部分。

cancellationToken

CancellationToken

CancellationToken用于中止传输的 。

返回

Task

实现

SendFileAsync(String, Int64, Nullable<Int64>, CancellationToken)