///

<summary>

///

获取网页验证码

///

</summary>

///

<param name="server">

服务器地址

</param>

///

<param name="URL">

网页地址

</param>

///

<param name="byteRequest">

字节数组，存放图片字节

</param>

///

<param name="cookie">

网站分配给客户的临时sessionid（临时cookie值），并非真正cookie

</param>

///

<param name="header"></param>

///

<returns>

图片的二进制数组

</returns>

public

static

byte

[] GetHtmlByBytes(

string

server,

string

URL,

byte

[] byteRequest,

string

cookie,

out

string

header)

{

long

contentLength;

HttpWebRequest httpWebRequest;

HttpWebResponse webResponse;

Stream getStream;

httpWebRequest

=

(HttpWebRequest)HttpWebRequest.Create(URL);

CookieContainer co

=

new

CookieContainer();

co.SetCookies(

new

Uri(server), cookie);

httpWebRequest.CookieContainer

=

co;

httpWebRequest.ContentType

=

"

application/x-www-form-urlencoded

"

;

httpWebRequest.Method

=

"

Post

"

;

httpWebRequest.ContentLength

=

byteRequest.Length;

Stream stream;

stream

=

httpWebRequest.GetRequestStream();

stream.Write(byteRequest,

0

, byteRequest.Length);

stream.Close();

webResponse

=

(HttpWebResponse)httpWebRequest.GetResponse();

header

=

webResponse.Headers.ToString();

getStream

=

webResponse.GetResponseStream();

contentLength

=

webResponse.ContentLength;

byte

[] outBytes

=

new

byte

[contentLength];

outBytes

=

ReadFully(getStream);

getStream.Close();

return

outBytes;

}