WebService课后习题答案Answer3

第3章XML Web Service的底层技术

1. 主机：https://www.360docs.net/doc/8d1395273.html,，

端口：2004，

路径：/xml/web%20service/，

查询字串：module=3。

2. a)、d)。

3. e)。

4.

Bill

True

5.为SOAP信封，标识了一个SOAP消息；

为SOAP消息体，由具体的各项消息内容组成；

表示该SOAP消息为出错信息。

6. C#

https://www.360docs.net/doc/8d1395273.html,.HttpWebRequest req =

(https://www.360docs.net/doc/8d1395273.html,.HttpWebRequest)https://www.360docs.net/doc/8d1395273.html,.WebRequest.Create("http://www.microsoft.c

om/xml.zip");

…

req.BeginGetResponse(new System.AsyncCallback(CallBack), req);

public void CallBack(System.IAsyncResult ar)

{

…

https://www.360docs.net/doc/8d1395273.html,.HttpWebResponse res = (https://www.360docs.net/doc/8d1395273.html,.HttpWebResponse)req.EndReponse(ar);

…

}

https://www.360docs.net/doc/8d1395273.html,

Dim req As https://www.360docs.net/doc/8d1395273.html,.HttpWebRequest =

CType(https://www.360docs.net/doc/8d1395273.html,.WebRequest.Create("https://www.360docs.net/doc/8d1395273.html,/xml.zip"),

https://www.360docs.net/doc/8d1395273.html,.HttpWebRequest)

XML Web Service 开发

2…

req.BeginGetResponse(New System.AsyncCallback(AddressOf CallBack), req)

Public Sub CallBack(ar As System.IAsyncResult)

{

…

Dim res As https://www.360docs.net/doc/8d1395273.html,.HttpWebResponse = CType(req.EndReponse(ar), https://www.360docs.net/doc/8d1395273.html,.HttpWebResponse)

…

}