HttpRequest.Headers 属性

定义

获取 HTTP 头集合。Gets a collection of HTTP headers.

public:
 property System::Collections::Specialized::NameValueCollection ^ Headers { System::Collections::Specialized::NameValueCollection ^ get(); };
public System.Collections.Specialized.NameValueCollection Headers { get; }
member this.Headers : System.Collections.Specialized.NameValueCollection
Public ReadOnly Property Headers As NameValueCollection

属性值

NameValueCollection

标头的 NameValueCollectionA NameValueCollection of headers.

示例

下面的代码示例显示 HTTP 请求中所有标头的名称和值。The following code example displays the names and values of all headers in the HTTP request.

int loop1, loop2;
NameValueCollection coll;

// Load Header collection into NameValueCollection object.
coll=Request.Headers;

// Put the names of all keys into a string array.
String[] arr1 = coll.AllKeys;
for (loop1 = 0; loop1<arr1.Length; loop1++)
{
   Response.Write("Key: " + arr1[loop1] + "<br>");
   // Get all values under this key.
   String[] arr2=coll.GetValues(arr1[loop1]);
   for (loop2 = 0; loop2<arr2.Length; loop2++)
   {
      Response.Write("Value " + loop2 + ": " + Server.HtmlEncode(arr2[loop2]) + "<br>");
   }
}

Dim loop1, loop2 As Integer
 Dim arr1(), arr2() As String
 Dim coll As NameValueCollection
 

' Load Header collection into NameValueCollection object.
coll=Request.Headers

' Put the names of all keys into a string array.
arr1 = coll.AllKeys 
For loop1 = 0 To arr1.GetUpperBound(0)
   Response.Write("Key: " & arr1(loop1) & "<br>")
   arr2 = coll.GetValues(loop1) 
   ' Get all values under this key.
   For loop2 = 0 To arr2.GetUpperBound(0)
      Response.Write("Value " & CStr(loop2) & ": " & Server.HtmlEncode(arr2(loop2)) & "<br>")
    Next loop2
 Next loop1
   

注解

有关所有可能的标头的列表,请参阅 W3C 网站上的 请求标头字段For a listing of all possible headers, see Request Header Fields on the W3C Web site.

适用于