using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
namespace Hishop.Plugins
{
/// <summary>
/// 利用WebRequest/WebResponse进行WebService调用的类
/// </summary>
public class WebServiceCaller
{
#region Tip:使用说明
//webServices 应该支持Get和Post调用,在web.config应该增加以下代码
//<webServices>
// <protocols>
// <add name="HttpGet"/>
// <add name="HttpPost"/>
// </protocols>
//</webServices> //调用示例:
//Hashtable ht = new Hashtable(); //Hashtable 为webservice所需要的参数集
//ht.Add("str", "test");
//ht.Add("b", "true");
//XmlDocument xx = WebSvcCaller.QuerySoapWebService("http://localhost:81/service.asmx", "HelloWorld", ht);
//MessageBox.Show(xx.OuterXml);
#endregion /// <summary>
/// 需要WebService支持Post调用
/// </summary>
public static XmlDocument QueryPostWebService(String URL, String MethodName, Hashtable Pars)
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(URL + "/" + MethodName);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
SetWebRequest(request);
byte[] data = EncodePars(Pars);
WriteRequestData(request, data);
return ReadXmlResponse(request.GetResponse());
} /// <summary>
/// 需要WebService支持Get调用
/// </summary>
public static XmlDocument QueryGetWebService(String URL, String MethodName, Hashtable Pars)
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(URL + "/" + MethodName + "?" + ParsToString(Pars));
request.Method = "GET";
request.ContentType = "application/x-www-form-urlencoded";
SetWebRequest(request);
return ReadXmlResponse(request.GetResponse());
} /// <summary>
/// 通用WebService调用(Soap),参数Pars为String类型的参数名、参数值
/// </summary>
public static XmlDocument QuerySoapWebService(String URL, String MethodName, Hashtable Pars)
{
if (_xmlNamespaces.ContainsKey(URL))
{
return QuerySoapWebService(URL, MethodName, Pars, _xmlNamespaces[URL].ToString());
}
else
{
return QuerySoapWebService(URL, MethodName, Pars, GetNamespace(URL));
}
} private static XmlDocument QuerySoapWebService(String URL, String MethodName, Hashtable Pars, string XmlNs)
{
_xmlNamespaces[URL] = XmlNs;//加入缓存,提高效率
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(URL);
request.Method = "POST";
request.ContentType = "text/xml; charset=utf-8";
request.Headers.Add("SOAPAction", "\"" + XmlNs + (XmlNs.EndsWith("/") ? "" : "/") + MethodName + "\"");
SetWebRequest(request);
byte[] data = EncodeParsToSoap(Pars, XmlNs, MethodName);
WriteRequestData(request, data);
XmlDocument doc = new XmlDocument(), doc2 = new XmlDocument();
doc = ReadXmlResponse(request.GetResponse()); XmlNamespaceManager mgr = new XmlNamespaceManager(doc.NameTable);
mgr.AddNamespace("soap", "http://schemas.xmlsoap.org/soap/envelope/");
String RetXml = doc.SelectSingleNode("//soap:Body/*/*", mgr).InnerXml;
doc2.LoadXml("<root>" + RetXml + "</root>");
AddDelaration(doc2);
return doc2;
}
private static string GetNamespace(String URL)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(URL + "?WSDL");
SetWebRequest(request);
WebResponse response = request.GetResponse();
StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
XmlDocument doc = new XmlDocument();
doc.LoadXml(sr.ReadToEnd());
sr.Close();
return doc.SelectSingleNode("//@targetNamespace").Value;
} private static byte[] EncodeParsToSoap(Hashtable Pars, String XmlNs, String MethodName)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml("<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\"></soap:Envelope>");
AddDelaration(doc);
//XmlElement soapBody = doc.createElement_x_x("soap", "Body", "http://schemas.xmlsoap.org/soap/envelope/");
XmlElement soapBody = doc.CreateElement("soap", "Body", "http://schemas.xmlsoap.org/soap/envelope/");
//XmlElement soapMethod = doc.createElement_x_x(MethodName);
XmlElement soapMethod = doc.CreateElement(MethodName);
soapMethod.SetAttribute("xmlns", XmlNs);
foreach (string k in Pars.Keys)
{
//XmlElement soapPar = doc.createElement_x_x(k);
XmlElement soapPar = doc.CreateElement(k);
soapPar.InnerXml = ObjectToSoapXml(Pars[k]);
soapMethod.AppendChild(soapPar);
}
soapBody.AppendChild(soapMethod);
doc.DocumentElement.AppendChild(soapBody);
return Encoding.UTF8.GetBytes(doc.OuterXml);
}
private static string ObjectToSoapXml(object o)
{
XmlSerializer mySerializer = new XmlSerializer(o.GetType());
MemoryStream ms = new MemoryStream();
mySerializer.Serialize(ms, o);
XmlDocument doc = new XmlDocument();
doc.LoadXml(Encoding.UTF8.GetString(ms.ToArray()));
if (doc.DocumentElement != null)
{
return doc.DocumentElement.InnerXml;
}
else
{
return o.ToString();
}
} /// <summary>
/// 设置凭证与超时时间
/// </summary>
/// <param name="request"></param>
private static void SetWebRequest(HttpWebRequest request)
{
request.Credentials = CredentialCache.DefaultCredentials;
request.Timeout = ;
} private static void WriteRequestData(HttpWebRequest request, byte[] data)
{
request.ContentLength = data.Length;
Stream writer = request.GetRequestStream();
writer.Write(data, , data.Length);
writer.Close();
} private static byte[] EncodePars(Hashtable Pars)
{
return Encoding.UTF8.GetBytes(ParsToString(Pars));
} private static String ParsToString(Hashtable Pars)
{
StringBuilder sb = new StringBuilder();
foreach (string k in Pars.Keys)
{
if (sb.Length > )
{
sb.Append("&");
}
//sb.Append(HttpUtility.UrlEncode(k) + "=" + HttpUtility.UrlEncode(Pars[k].ToString()));
}
return sb.ToString();
} private static XmlDocument ReadXmlResponse(WebResponse response)
{
StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
String retXml = sr.ReadToEnd();
sr.Close();
XmlDocument doc = new XmlDocument();
doc.LoadXml(retXml);
return doc;
} private static void AddDelaration(XmlDocument doc)
{
XmlDeclaration decl = doc.CreateXmlDeclaration("1.0", "utf-8", null);
doc.InsertBefore(decl, doc.DocumentElement);
} private static Hashtable _xmlNamespaces = new Hashtable();//缓存xmlNamespace,避免重复调用GetNamespace
}
}
//调用并读取解析返回结果

  DataSet ds = new DataSet();
XmlNode xmlNode1;
XmlDataDocument xd = new XmlDataDocument();
StringBuilder sb;
Hashtable ht = new Hashtable();
ht.Add("xmlIn", "<Request><MemCode>001</MemCode></Request>");
xmlNode1 = Hishop.Plugins.WebServiceCaller.QuerySoapWebService("http://xxx.xxxx.com/Service.asmx", "SinPointQuery", ht);
if (xmlNode1 == null)
{
return;
}
string xmlstr= HttpUtility.HtmlDecode(xmlNode1.OuterXml);
sb = new StringBuilder(xmlstr);
if (sb.ToString().Equals(""))
{
return;
}
xd.LoadXml(sb.ToString());
ds.ReadXml(new XmlNodeReader(xd));
//ds可以返回出结果集

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