HttpHeadersKeepAlive 字段
            Keep-Alive 标头,指定用以维护持久性连接的参数。
            
命名空间: TouchSocket.Http程序集: TouchSocket.Http (在 TouchSocket.Http.dll 中) 版本:4.0.0-beta.143+5fcca7a4e70968794985dc3793adc50531308be6
public const string KeepAlive = "Keep-Alive"
Public Const KeepAlive As String = "Keep-Alive"
static val mutable KeepAlive: string
字段值
String