http调用webservice操作httprequest、httpresponse示例

[WebMethod]

public void SendXml()

{

// 获得客户端RAW HttpRequest

var inputStream = HttpContext.Current.Request.InputStream;

// 定义Response返回的格式是:Json

var response = HttpContext.Current.Response;

response.ContentType = "text/json";

//var strXml = "";

//using (var sr = new StreamReader(inputStream))

// strXml = sr.ReadToEnd();

try

{

DataTable data = new DataTable();

using (var xr = XmlReader.Create(inputStream))

data.ReadXml(xr);

// 将读入Xml的DataTable的行数返回客户端

string count = "/"" + data.Rows.Count + "/"";

response.BinaryWrite(System.Text.Encoding.UTF8.GetBytes(count));

}

catch (Exception ex)

{

response.BinaryWrite(System.Text.Encoding.UTF8.GetBytes(ex.Message));

}

}

客户端输出""3""

PS: 如果客户端的HttpRequest满足SOAP序列化格式，WebService会为WebMethod将消息反序列化成参数。相对应的客户端代理类也是通过将消息反序列化成对象供客户端使用。