深入.net调用webservice的总结分析
最近做一个项目，由于是在别人框架里开发app,导致了很多限制，其中一个就是不能直接引用webservice 。
我们都知道，调用webserivice 最简单的方法就是在 \"引用\" 那里点击右键，然后选择\"引用web服务\"，再输入服务地址。
确定后，会生成一个app.config 里面就会自动生成了一些配置信息。
现在正在做的这个项目就不能这么干。后来经过一番搜索，就找出另外几种动态调用webservice 的方法。
废话少说，下面是webservice 代码
View Code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
namespace TestWebService
{
/// <summary>
/// Service1 的摘要说明
/// </summary>
[WebService(Namespace = \"http://tempuri.org/\",Description=\"我的Web服务\")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。
// [System.Web.Script.Services.ScriptService]
public class TestWebService : System.Web.Services.WebService
{
[WebMethod]
public string HelloWorld()
{
return \"测试Hello World\";
}
[WebMethod]
public string Test()
{
return \"测试Test\";
}
[WebMethod(CacheDuration = 60,Description = \"测试\")]
public List<String> GetPersons()
{
List<String> list = new List<string>();
list.Add(\"测试一\");
list.Add(\"测试二\");
list.Add(\"测试三\");
return list;
}
}
}
动态调用示例：
方法一：
看到很多动态调用WebService都只是动态调用地址而已，下面发一个不光是根据地址调用，方法名也可以自己指定的,主要原理是根据指定的WebService地址的WSDL,然后解析模拟生成一个代理类,通过反射调用里面的方法
View Code
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Collections;
using System.Web;
using System.Net;
using System.Reflection;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Web.Services;
using System.Text;
using System.Web.Services.Description;
using System.Web.Services.Protocols;
using System.Xml.Serialization;
using System.Windows.Forms;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
WebClient client = new WebClient();
String url = \"http://localhost:3182/Service1.asmx?WSDL\";//这个地址可以写在Config文件里面，这里取出来就行了.在原地址后面加上： ?WSDL
Stream stream = client.OpenRead(url);
ServiceDescription description = ServiceDescription.Read(stream);
ServiceDescriptionImporter importer = new ServiceDescriptionImporter();//创建客户端代理代理类。
importer.ProtocolName = \"Soap\"; //指定访问协议。
importer.Style = ServiceDescriptionImportStyle.Client; //生成客户端代理。
importer.CodeGenerationOptions = CodeGenerationOptions.GenerateProperties | CodeGenerationOptions.GenerateNewAsync;
importer.AddServiceDescription(description, null, null); //添加WSDL文档。
CodeNamespace nmspace = new CodeNamespace(); //命名空间
nmspace.Name = \"TestWebService\";
CodeCompileUnit unit = new CodeCompileUnit();
unit.Namespaces.Add(nmspace);
ServiceDescriptionImportWarnings warning = importer.Import(nmspace, unit);
CodeDomProvider provider = CodeDomProvider.CreateProvider(\"CSharp\");
CompilerParameters parameter = new CompilerParameters();
parameter.GenerateExecutable = false;
parameter.OutputAssembly = \"MyTest.dll\";//输出程序集的名称
parameter.ReferencedAssemblies.Add(\"System.dll\");
parameter.ReferencedAssemblies.Add(\"System.XML.dll\");
parameter.ReferencedAssemblies.Add(\"System.Web.Services.dll\");
parameter.ReferencedAssemblies.Add(\"System.Data.dll\");
CompilerResults result = provider.CompileAssemblyFromDom(parameter, unit);
if (result.Errors.HasErrors)
{
// 显示编译错误信息
}
Assembly asm = Assembly.LoadFrom(\"MyTest.dll\");//加载前面生成的程序集
Type t = asm.GetType(\"TestWebService.TestWebService\");
object o = Activator.CreateInstance(t);
MethodInfo method = t.GetMethod(\"GetPersons\");//GetPersons是服务端的方法名称,你想调用服务端的什么方法都可以在这里改,最好封装一下
String[] item = (String[])method.Invoke(o, null);
//注：method.Invoke(o, null)返回的是一个Object,如果你服务端返回的是DataSet,这里也是用(DataSet)method.Invoke(o, null)转一下就行了,method.Invoke(0,null)这里的null可以传调用方法需要的参数,string[]形式的
foreach (string str in item)
Console.WriteLine(str);
//上面是根据WebService地址，模似生成一个代理类,如果你想看看生成的代码文件是什么样子，可以用以下代码保存下来，默认是保存在bin目录下面
TextWriter writer = File.CreateText(\"MyTest.cs\");
provider.GenerateCodeFromCompileUnit(unit, writer, null);
writer.Flush();
writer.Close();
}
}
}
方法二：利用 wsdl.exe生成webservice代理类:
根据提供的wsdl生成webservice代理类，然后在代码里引用这个类文件。
步骤：
1、在开始菜单找到 Microsoft Visual Studio 2010 下面的Visual Studio Tools ， 点击Visual Studio 命令提示(2010)，打开命令行。
2、 在命令行中输入： wsdl /language:c# /n:TestDemo /out:d:/Temp/TestService.cs http://jm1.services.gmcc.net/ad/Services/AD.asmx?wsdl
这句命令行的意思是：对最后面的服务地址进行编译，在D盘temp 目录下生成testservice文件。
3、 把上面命令编译后的cs文件，复制到我们项目中，在项目代码中可以直接new 一个出来后，可以进行调用。
贴出由命令行编译出来的代码：
View Code
//------------------------------------------------------------------------------
// <auto-generated>
// 此代码由工具生成。
// 运行时版本:4.0.30319.225
//
// 对此文件的更改可能会导致不正确的行为，并且如果
// 重新生成代码，这些更改将会丢失。
// </auto-generated>
//------------------------------------------------------------------------------
//
// 此源代码由 wsdl 自动生成, Version=4.0.30319.1。
//
namespace Bingosoft.Module.SurveyQuestionnaire.DAL {
using System;
using System.Diagnostics;
using System.Xml.Serialization;
using System.ComponentModel;
using System.Web.Services.Protocols;
using System.Web.Services;
using System.Data;
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
[System.Web.Services.WebServiceBindingAttribute(Name=\"WebserviceForILookSoap\", Namespace=\"http://tempuri.org/\")]
public partial class WebserviceForILook : System.Web.Services.Protocols.SoapHttpClientProtocol {
private System.Threading.SendOrPostCallback GetRecordNumOperationCompleted;
private System.Threading.SendOrPostCallback GetVoteListOperationCompleted;
private System.Threading.SendOrPostCallback VoteOperationCompleted;
private System.Threading.SendOrPostCallback GiveUpOperationCompleted;
private System.Threading.SendOrPostCallback GetQuestionTaskListOperationCompleted;
/// <remarks/>
public WebserviceForILook() {
this.Url = \"http://st1.services.gmcc.net/qnaire/Services/WebserviceForILook.asmx\";
}
/// <remarks/>
public event GetRecordNumCompletedEventHandler GetRecordNumCompleted;
/// <remarks/>
public event GetVoteListCompletedEventHandler GetVoteListCompleted;
/// <remarks/>
public event VoteCompletedEventHandler VoteCompleted;
/// <remarks/>
public event GiveUpCompletedEventHandler GiveUpCompleted;
/// <remarks/>
public event GetQuestionTaskListCompletedEventHandler GetQuestionTaskListCompleted;
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/GetRecordNum\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public int[] GetRecordNum(string appcode, string userID) {
object[] results = this.Invoke(\"GetRecordNum\", new object[] {
appcode,
userID});
return ((int[])(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginGetRecordNum(string appcode, string userID, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"GetRecordNum\", new object[] {
appcode,
userID}, callback, asyncState);
}
/// <remarks/>
public int[] EndGetRecordNum(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((int[])(results[0]));
}
/// <remarks/>
public void GetRecordNumAsync(string appcode, string userID) {
this.GetRecordNumAsync(appcode, userID, null);
}
/// <remarks/>
public void GetRecordNumAsync(string appcode, string userID, object userState) {
if ((this.GetRecordNumOperationCompleted == null)) {
this.GetRecordNumOperationCompleted = new System.Threading.SendOrPostCallback(this.OnGetRecordNumOperationCompleted);
}
this.InvokeAsync(\"GetRecordNum\", new object[] {
appcode,
userID}, this.GetRecordNumOperationCompleted, userState);
}
private void OnGetRecordNumOperationCompleted(object arg) {
if ((this.GetRecordNumCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.GetRecordNumCompleted(this, new GetRecordNumCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/GetVoteList\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public System.Data.DataSet GetVoteList(string appcode, string userID) {
object[] results = this.Invoke(\"GetVoteList\", new object[] {
appcode,
userID});
return ((System.Data.DataSet)(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginGetVoteList(string appcode, string userID, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"GetVoteList\", new object[] {
appcode,
userID}, callback, asyncState);
}
/// <remarks/>
public System.Data.DataSet EndGetVoteList(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((System.Data.DataSet)(results[0]));
}
/// <remarks/>
public void GetVoteListAsync(string appcode, string userID) {
this.GetVoteListAsync(appcode, userID, null);
}
/// <remarks/>
public void GetVoteListAsync(string appcode, string userID, object userState) {
if ((this.GetVoteListOperationCompleted == null)) {
this.GetVoteListOperationCompleted = new System.Threading.SendOrPostCallback(this.OnGetVoteListOperationCompleted);
}
this.InvokeAsync(\"GetVoteList\", new object[] {
appcode,
userID}, this.GetVoteListOperationCompleted, userState);
}
private void OnGetVoteListOperationCompleted(object arg) {
if ((this.GetVoteListCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.GetVoteListCompleted(this, new GetVoteListCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/Vote\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public bool Vote(string appcode, string userID, string qTaskID, string answer) {
object[] results = this.Invoke(\"Vote\", new object[] {
appcode,
userID,
qTaskID,
answer});
return ((bool)(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginVote(string appcode, string userID, string qTaskID, string answer, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"Vote\", new object[] {
appcode,
userID,
qTaskID,
answer}, callback, asyncState);
}
/// <remarks/>
public bool EndVote(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((bool)(results[0]));
}
/// <remarks/>
public void VoteAsync(string appcode, string userID, string qTaskID, string answer) {
this.VoteAsync(appcode, userID, qTaskID, answer, null);
}
/// <remarks/>
public void VoteAsync(string appcode, string userID, string qTaskID, string answer, object userState) {
if ((this.VoteOperationCompleted == null)) {
this.VoteOperationCompleted = new System.Threading.SendOrPostCallback(this.OnVoteOperationCompleted);
}
this.InvokeAsync(\"Vote\", new object[] {
appcode,
userID,
qTaskID,
answer}, this.VoteOperationCompleted, userState);
}
private void OnVoteOperationCompleted(object arg) {
if ((this.VoteCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.VoteCompleted(this, new VoteCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/GiveUp\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public bool GiveUp(string appcode, string userID, string qTaskID) {
object[] results = this.Invoke(\"GiveUp\", new object[] {
appcode,
userID,
qTaskID});
return ((bool)(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginGiveUp(string appcode, string userID, string qTaskID, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"GiveUp\", new object[] {
appcode,
userID,
qTaskID}, callback, asyncState);
}
/// <remarks/>
public bool EndGiveUp(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((bool)(results[0]));
}
/// <remarks/>
public void GiveUpAsync(string appcode, string userID, string qTaskID) {
this.GiveUpAsync(appcode, userID, qTaskID, null);
}
/// <remarks/>
public void GiveUpAsync(string appcode, string userID, string qTaskID, object userState) {
if ((this.GiveUpOperationCompleted == null)) {
this.GiveUpOperationCompleted = new System.Threading.SendOrPostCallback(this.OnGiveUpOperationCompleted);
}
this.InvokeAsync(\"GiveUp\", new object[] {
appcode,
userID,
qTaskID}, this.GiveUpOperationCompleted, userState);
}
private void OnGiveUpOperationCompleted(object arg) {
if ((this.GiveUpCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.GiveUpCompleted(this, new GiveUpCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/GetQuestionTaskList\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public System.Data.DataSet GetQuestionTaskList(string appcode, string userID) {
object[] results = this.Invoke(\"GetQuestionTaskList\", new object[] {
appcode,
userID});
return ((System.Data.DataSet)(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginGetQuestionTaskList(string appcode, string userID, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"GetQuestionTaskList\", new object[] {
appcode,
userID}, callback, asyncState);
}
/// <remarks/>
public System.Data.DataSet EndGetQuestionTaskList(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((System.Data.DataSet)(results[0]));
}
/// <remarks/>
public void GetQuestionTaskListAsync(string appcode, string userID) {
this.GetQuestionTaskListAsync(appcode, userID, null);
}
/// <remarks/>
public void GetQuestionTaskListAsync(string appcode, string userID, object userState) {
if ((this.GetQuestionTaskListOperationCompleted == null)) {
this.GetQuestionTaskListOperationCompleted = new System.Threading.SendOrPostCallback(this.OnGetQuestionTaskListOperationCompleted);
}
this.InvokeAsync(\"GetQuestionTaskList\", new object[] {
appcode,
userID}, this.GetQuestionTaskListOperationCompleted, userState);
}
private void OnGetQuestionTaskListOperationCompleted(object arg) {
if ((this.GetQuestionTaskListCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.GetQuestionTaskListCompleted(this, new GetQuestionTaskListCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
public new void CancelAsync(object userState) {
base.CancelAsync(userState);
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void GetRecordNumCompletedEventHandler(object sender, GetRecordNumCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class GetRecordNumCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal GetRecordNumCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public int[] Result {
get {
this.RaiseExceptionIfNecessary();
return ((int[])(this.results[0]));
}
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void GetVoteListCompletedEventHandler(object sender, GetVoteListCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class GetVoteListCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal GetVoteListCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public System.Data.DataSet Result {
get {
this.RaiseExceptionIfNecessary();
return ((System.Data.DataSet)(this.results[0]));
}
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void VoteCompletedEventHandler(object sender, VoteCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class VoteCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal VoteCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public bool Result {
get {
this.RaiseExceptionIfNecessary();
return ((bool)(this.results[0]));
}
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void GiveUpCompletedEventHandler(object sender, GiveUpCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class GiveUpCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal GiveUpCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public bool Result {
get {
this.RaiseExceptionIfNecessary();
return ((bool)(this.results[0]));
}
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void GetQuestionTaskListCompletedEventHandler(object sender, GetQuestionTaskListCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class GetQuestionTaskListCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal GetQuestionTaskListCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public System.Data.DataSet Result {
get {
this.RaiseExceptionIfNecessary();
return ((System.Data.DataSet)(this.results[0]));
}
}
}
}
方法三：利用http 协议的get和post
这是最为灵活的方法。
View Code
using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
namespace Bingosoft.RIA.Common
{
/// <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 = 10000;
}
private static void WriteRequestData(HttpWebRequest request, byte[] data)
{
request.ContentLength = data.Length;
Stream writer = request.GetRequestStream();
writer.Write(data, 0, 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 > 0)
{
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
}
}
我们都知道，调用webserivice 最简单的方法就是在 \"引用\" 那里点击右键，然后选择\"引用web服务\"，再输入服务地址。
确定后，会生成一个app.config 里面就会自动生成了一些配置信息。
现在正在做的这个项目就不能这么干。后来经过一番搜索，就找出另外几种动态调用webservice 的方法。
废话少说，下面是webservice 代码
复制代码 代码如下:
View Code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
namespace TestWebService
{
/// <summary>
/// Service1 的摘要说明
/// </summary>
[WebService(Namespace = \"http://tempuri.org/\",Description=\"我的Web服务\")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.ComponentModel.ToolboxItem(false)]
// 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。
// [System.Web.Script.Services.ScriptService]
public class TestWebService : System.Web.Services.WebService
{
[WebMethod]
public string HelloWorld()
{
return \"测试Hello World\";
}
[WebMethod]
public string Test()
{
return \"测试Test\";
}
[WebMethod(CacheDuration = 60,Description = \"测试\")]
public List<String> GetPersons()
{
List<String> list = new List<string>();
list.Add(\"测试一\");
list.Add(\"测试二\");
list.Add(\"测试三\");
return list;
}
}
}
动态调用示例：
方法一：
看到很多动态调用WebService都只是动态调用地址而已，下面发一个不光是根据地址调用，方法名也可以自己指定的,主要原理是根据指定的WebService地址的WSDL,然后解析模拟生成一个代理类,通过反射调用里面的方法
复制代码 代码如下:
View Code
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Collections;
using System.Web;
using System.Net;
using System.Reflection;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Web.Services;
using System.Text;
using System.Web.Services.Description;
using System.Web.Services.Protocols;
using System.Xml.Serialization;
using System.Windows.Forms;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
WebClient client = new WebClient();
String url = \"http://localhost:3182/Service1.asmx?WSDL\";//这个地址可以写在Config文件里面，这里取出来就行了.在原地址后面加上： ?WSDL
Stream stream = client.OpenRead(url);
ServiceDescription description = ServiceDescription.Read(stream);
ServiceDescriptionImporter importer = new ServiceDescriptionImporter();//创建客户端代理代理类。
importer.ProtocolName = \"Soap\"; //指定访问协议。
importer.Style = ServiceDescriptionImportStyle.Client; //生成客户端代理。
importer.CodeGenerationOptions = CodeGenerationOptions.GenerateProperties | CodeGenerationOptions.GenerateNewAsync;
importer.AddServiceDescription(description, null, null); //添加WSDL文档。
CodeNamespace nmspace = new CodeNamespace(); //命名空间
nmspace.Name = \"TestWebService\";
CodeCompileUnit unit = new CodeCompileUnit();
unit.Namespaces.Add(nmspace);
ServiceDescriptionImportWarnings warning = importer.Import(nmspace, unit);
CodeDomProvider provider = CodeDomProvider.CreateProvider(\"CSharp\");
CompilerParameters parameter = new CompilerParameters();
parameter.GenerateExecutable = false;
parameter.OutputAssembly = \"MyTest.dll\";//输出程序集的名称
parameter.ReferencedAssemblies.Add(\"System.dll\");
parameter.ReferencedAssemblies.Add(\"System.XML.dll\");
parameter.ReferencedAssemblies.Add(\"System.Web.Services.dll\");
parameter.ReferencedAssemblies.Add(\"System.Data.dll\");
CompilerResults result = provider.CompileAssemblyFromDom(parameter, unit);
if (result.Errors.HasErrors)
{
// 显示编译错误信息
}
Assembly asm = Assembly.LoadFrom(\"MyTest.dll\");//加载前面生成的程序集
Type t = asm.GetType(\"TestWebService.TestWebService\");
object o = Activator.CreateInstance(t);
MethodInfo method = t.GetMethod(\"GetPersons\");//GetPersons是服务端的方法名称,你想调用服务端的什么方法都可以在这里改,最好封装一下
String[] item = (String[])method.Invoke(o, null);
//注：method.Invoke(o, null)返回的是一个Object,如果你服务端返回的是DataSet,这里也是用(DataSet)method.Invoke(o, null)转一下就行了,method.Invoke(0,null)这里的null可以传调用方法需要的参数,string[]形式的
foreach (string str in item)
Console.WriteLine(str);
//上面是根据WebService地址，模似生成一个代理类,如果你想看看生成的代码文件是什么样子，可以用以下代码保存下来，默认是保存在bin目录下面
TextWriter writer = File.CreateText(\"MyTest.cs\");
provider.GenerateCodeFromCompileUnit(unit, writer, null);
writer.Flush();
writer.Close();
}
}
}
方法二：利用 wsdl.exe生成webservice代理类:
根据提供的wsdl生成webservice代理类，然后在代码里引用这个类文件。
步骤：
1、在开始菜单找到 Microsoft Visual Studio 2010 下面的Visual Studio Tools ， 点击Visual Studio 命令提示(2010)，打开命令行。
2、 在命令行中输入： wsdl /language:c# /n:TestDemo /out:d:/Temp/TestService.cs http://jm1.services.gmcc.net/ad/Services/AD.asmx?wsdl
这句命令行的意思是：对最后面的服务地址进行编译，在D盘temp 目录下生成testservice文件。
3、 把上面命令编译后的cs文件，复制到我们项目中，在项目代码中可以直接new 一个出来后，可以进行调用。
贴出由命令行编译出来的代码：
复制代码 代码如下:
View Code
//------------------------------------------------------------------------------
// <auto-generated>
// 此代码由工具生成。
// 运行时版本:4.0.30319.225
//
// 对此文件的更改可能会导致不正确的行为，并且如果
// 重新生成代码，这些更改将会丢失。
// </auto-generated>
//------------------------------------------------------------------------------
//
// 此源代码由 wsdl 自动生成, Version=4.0.30319.1。
//
namespace Bingosoft.Module.SurveyQuestionnaire.DAL {
using System;
using System.Diagnostics;
using System.Xml.Serialization;
using System.ComponentModel;
using System.Web.Services.Protocols;
using System.Web.Services;
using System.Data;
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
[System.Web.Services.WebServiceBindingAttribute(Name=\"WebserviceForILookSoap\", Namespace=\"http://tempuri.org/\")]
public partial class WebserviceForILook : System.Web.Services.Protocols.SoapHttpClientProtocol {
private System.Threading.SendOrPostCallback GetRecordNumOperationCompleted;
private System.Threading.SendOrPostCallback GetVoteListOperationCompleted;
private System.Threading.SendOrPostCallback VoteOperationCompleted;
private System.Threading.SendOrPostCallback GiveUpOperationCompleted;
private System.Threading.SendOrPostCallback GetQuestionTaskListOperationCompleted;
/// <remarks/>
public WebserviceForILook() {
this.Url = \"http://st1.services.gmcc.net/qnaire/Services/WebserviceForILook.asmx\";
}
/// <remarks/>
public event GetRecordNumCompletedEventHandler GetRecordNumCompleted;
/// <remarks/>
public event GetVoteListCompletedEventHandler GetVoteListCompleted;
/// <remarks/>
public event VoteCompletedEventHandler VoteCompleted;
/// <remarks/>
public event GiveUpCompletedEventHandler GiveUpCompleted;
/// <remarks/>
public event GetQuestionTaskListCompletedEventHandler GetQuestionTaskListCompleted;
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/GetRecordNum\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public int[] GetRecordNum(string appcode, string userID) {
object[] results = this.Invoke(\"GetRecordNum\", new object[] {
appcode,
userID});
return ((int[])(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginGetRecordNum(string appcode, string userID, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"GetRecordNum\", new object[] {
appcode,
userID}, callback, asyncState);
}
/// <remarks/>
public int[] EndGetRecordNum(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((int[])(results[0]));
}
/// <remarks/>
public void GetRecordNumAsync(string appcode, string userID) {
this.GetRecordNumAsync(appcode, userID, null);
}
/// <remarks/>
public void GetRecordNumAsync(string appcode, string userID, object userState) {
if ((this.GetRecordNumOperationCompleted == null)) {
this.GetRecordNumOperationCompleted = new System.Threading.SendOrPostCallback(this.OnGetRecordNumOperationCompleted);
}
this.InvokeAsync(\"GetRecordNum\", new object[] {
appcode,
userID}, this.GetRecordNumOperationCompleted, userState);
}
private void OnGetRecordNumOperationCompleted(object arg) {
if ((this.GetRecordNumCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.GetRecordNumCompleted(this, new GetRecordNumCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/GetVoteList\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public System.Data.DataSet GetVoteList(string appcode, string userID) {
object[] results = this.Invoke(\"GetVoteList\", new object[] {
appcode,
userID});
return ((System.Data.DataSet)(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginGetVoteList(string appcode, string userID, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"GetVoteList\", new object[] {
appcode,
userID}, callback, asyncState);
}
/// <remarks/>
public System.Data.DataSet EndGetVoteList(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((System.Data.DataSet)(results[0]));
}
/// <remarks/>
public void GetVoteListAsync(string appcode, string userID) {
this.GetVoteListAsync(appcode, userID, null);
}
/// <remarks/>
public void GetVoteListAsync(string appcode, string userID, object userState) {
if ((this.GetVoteListOperationCompleted == null)) {
this.GetVoteListOperationCompleted = new System.Threading.SendOrPostCallback(this.OnGetVoteListOperationCompleted);
}
this.InvokeAsync(\"GetVoteList\", new object[] {
appcode,
userID}, this.GetVoteListOperationCompleted, userState);
}
private void OnGetVoteListOperationCompleted(object arg) {
if ((this.GetVoteListCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.GetVoteListCompleted(this, new GetVoteListCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/Vote\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public bool Vote(string appcode, string userID, string qTaskID, string answer) {
object[] results = this.Invoke(\"Vote\", new object[] {
appcode,
userID,
qTaskID,
answer});
return ((bool)(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginVote(string appcode, string userID, string qTaskID, string answer, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"Vote\", new object[] {
appcode,
userID,
qTaskID,
answer}, callback, asyncState);
}
/// <remarks/>
public bool EndVote(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((bool)(results[0]));
}
/// <remarks/>
public void VoteAsync(string appcode, string userID, string qTaskID, string answer) {
this.VoteAsync(appcode, userID, qTaskID, answer, null);
}
/// <remarks/>
public void VoteAsync(string appcode, string userID, string qTaskID, string answer, object userState) {
if ((this.VoteOperationCompleted == null)) {
this.VoteOperationCompleted = new System.Threading.SendOrPostCallback(this.OnVoteOperationCompleted);
}
this.InvokeAsync(\"Vote\", new object[] {
appcode,
userID,
qTaskID,
answer}, this.VoteOperationCompleted, userState);
}
private void OnVoteOperationCompleted(object arg) {
if ((this.VoteCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.VoteCompleted(this, new VoteCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/GiveUp\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public bool GiveUp(string appcode, string userID, string qTaskID) {
object[] results = this.Invoke(\"GiveUp\", new object[] {
appcode,
userID,
qTaskID});
return ((bool)(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginGiveUp(string appcode, string userID, string qTaskID, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"GiveUp\", new object[] {
appcode,
userID,
qTaskID}, callback, asyncState);
}
/// <remarks/>
public bool EndGiveUp(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((bool)(results[0]));
}
/// <remarks/>
public void GiveUpAsync(string appcode, string userID, string qTaskID) {
this.GiveUpAsync(appcode, userID, qTaskID, null);
}
/// <remarks/>
public void GiveUpAsync(string appcode, string userID, string qTaskID, object userState) {
if ((this.GiveUpOperationCompleted == null)) {
this.GiveUpOperationCompleted = new System.Threading.SendOrPostCallback(this.OnGiveUpOperationCompleted);
}
this.InvokeAsync(\"GiveUp\", new object[] {
appcode,
userID,
qTaskID}, this.GiveUpOperationCompleted, userState);
}
private void OnGiveUpOperationCompleted(object arg) {
if ((this.GiveUpCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.GiveUpCompleted(this, new GiveUpCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
[System.Web.Services.Protocols.SoapDocumentMethodAttribute(\"http://tempuri.org/GetQuestionTaskList\", RequestNamespace=\"http://tempuri.org/\", ResponseNamespace=\"http://tempuri.org/\", Use=System.Web.Services.Description.SoapBindingUse.Literal, ParameterStyle=System.Web.Services.Protocols.SoapParameterStyle.Wrapped)]
public System.Data.DataSet GetQuestionTaskList(string appcode, string userID) {
object[] results = this.Invoke(\"GetQuestionTaskList\", new object[] {
appcode,
userID});
return ((System.Data.DataSet)(results[0]));
}
/// <remarks/>
public System.IAsyncResult BeginGetQuestionTaskList(string appcode, string userID, System.AsyncCallback callback, object asyncState) {
return this.BeginInvoke(\"GetQuestionTaskList\", new object[] {
appcode,
userID}, callback, asyncState);
}
/// <remarks/>
public System.Data.DataSet EndGetQuestionTaskList(System.IAsyncResult asyncResult) {
object[] results = this.EndInvoke(asyncResult);
return ((System.Data.DataSet)(results[0]));
}
/// <remarks/>
public void GetQuestionTaskListAsync(string appcode, string userID) {
this.GetQuestionTaskListAsync(appcode, userID, null);
}
/// <remarks/>
public void GetQuestionTaskListAsync(string appcode, string userID, object userState) {
if ((this.GetQuestionTaskListOperationCompleted == null)) {
this.GetQuestionTaskListOperationCompleted = new System.Threading.SendOrPostCallback(this.OnGetQuestionTaskListOperationCompleted);
}
this.InvokeAsync(\"GetQuestionTaskList\", new object[] {
appcode,
userID}, this.GetQuestionTaskListOperationCompleted, userState);
}
private void OnGetQuestionTaskListOperationCompleted(object arg) {
if ((this.GetQuestionTaskListCompleted != null)) {
System.Web.Services.Protocols.InvokeCompletedEventArgs invokeArgs = ((System.Web.Services.Protocols.InvokeCompletedEventArgs)(arg));
this.GetQuestionTaskListCompleted(this, new GetQuestionTaskListCompletedEventArgs(invokeArgs.Results, invokeArgs.Error, invokeArgs.Cancelled, invokeArgs.UserState));
}
}
/// <remarks/>
public new void CancelAsync(object userState) {
base.CancelAsync(userState);
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void GetRecordNumCompletedEventHandler(object sender, GetRecordNumCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class GetRecordNumCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal GetRecordNumCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public int[] Result {
get {
this.RaiseExceptionIfNecessary();
return ((int[])(this.results[0]));
}
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void GetVoteListCompletedEventHandler(object sender, GetVoteListCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class GetVoteListCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal GetVoteListCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public System.Data.DataSet Result {
get {
this.RaiseExceptionIfNecessary();
return ((System.Data.DataSet)(this.results[0]));
}
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void VoteCompletedEventHandler(object sender, VoteCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class VoteCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal VoteCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public bool Result {
get {
this.RaiseExceptionIfNecessary();
return ((bool)(this.results[0]));
}
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void GiveUpCompletedEventHandler(object sender, GiveUpCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class GiveUpCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal GiveUpCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public bool Result {
get {
this.RaiseExceptionIfNecessary();
return ((bool)(this.results[0]));
}
}
}
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
public delegate void GetQuestionTaskListCompletedEventHandler(object sender, GetQuestionTaskListCompletedEventArgs e);
/// <remarks/>
[System.CodeDom.Compiler.GeneratedCodeAttribute(\"wsdl\", \"4.0.30319.1\")]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute(\"code\")]
public partial class GetQuestionTaskListCompletedEventArgs : System.ComponentModel.AsyncCompletedEventArgs {
private object[] results;
internal GetQuestionTaskListCompletedEventArgs(object[] results, System.Exception exception, bool cancelled, object userState) :
base(exception, cancelled, userState) {
this.results = results;
}
/// <remarks/>
public System.Data.DataSet Result {
get {
this.RaiseExceptionIfNecessary();
return ((System.Data.DataSet)(this.results[0]));
}
}
}
}
方法三：利用http 协议的get和post
这是最为灵活的方法。
复制代码 代码如下:
View Code
using System;
using System.Collections;
using System.IO;
using System.Net;
using System.Text;
using System.Xml;
using System.Xml.Serialization;
namespace Bingosoft.RIA.Common
{
/// <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 = 10000;
}
private static void WriteRequestData(HttpWebRequest request, byte[] data)
{
request.ContentLength = data.Length;
Stream writer = request.GetRequestStream();
writer.Write(data, 0, 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 > 0)
{
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
}
}
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