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using System; |
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using System.Collections.Generic; |
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using System.Text; |
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|
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using System.IO; |
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using System.Configuration; |
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using System.CodeDom; |
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using System.CodeDom.Compiler; |
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using System.Net; |
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using System.Web.Services; |
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using System.Web.Services.Description; |
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using Microsoft.CSharp; |
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|
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namespace InvokeWebService |
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{ |
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public static class WebServiceHelper |
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{ |
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/// <summary> |
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/// 动态调用WebService |
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/// </summary> |
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/// <param name="url">WebService地址</param> |
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/// <param name="methodname">方法名(模块名)</param> |
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/// <param name="args">参数列表</param> |
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/// <returns>object</returns> |
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public static object InvokeWebService( string url, string methodname, object [] args) |
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{ |
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return InvokeWebService(url, null , methodname, args); |
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} |
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/// <summary> |
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/// 动态调用WebService |
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/// </summary> |
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/// <param name="url">WebService地址</param> |
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/// <param name="classname">类名</param> |
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/// <param name="methodname">方法名(模块名)</param> |
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/// <param name="args">参数列表</param> |
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/// <returns>object</returns> |
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public static object InvokeWebService( string url, string classname, string methodname, object [] args) |
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{ |
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string @ namespace = "ServiceBase.WebService.DynamicWebLoad" ; |
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if (classname == null || classname == "" ) |
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{ |
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classname = WebServiceHelper.GetClassName(url); |
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} |
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//获取服务描述语言(WSDL) |
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WebClient wc = new WebClient(); |
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Stream stream = wc.OpenRead(url + "?WSDL" ); |
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ServiceDescription sd = ServiceDescription.Read(stream); |
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ServiceDescriptionImporter sdi = new ServiceDescriptionImporter(); |
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sdi.AddServiceDescription(sd, "" , "" ); |
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CodeNamespace cn = new CodeNamespace(@ namespace ); |
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//生成客户端代理类代码 |
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CodeCompileUnit ccu = new CodeCompileUnit(); |
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ccu.Namespaces.Add(cn); |
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sdi.Import(cn, ccu); |
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CSharpCodeProvider csc = new CSharpCodeProvider(); |
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ICodeCompiler icc = csc.CreateCompiler(); |
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//设定编译器的参数 |
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CompilerParameters cplist = new CompilerParameters(); |
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cplist.GenerateExecutable = false ; |
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cplist.GenerateInMemory = true ; |
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cplist.ReferencedAssemblies.Add( "System.dll" ); |
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cplist.ReferencedAssemblies.Add( "System.XML.dll" ); |
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cplist.ReferencedAssemblies.Add( "System.Web.Services.dll" ); |
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cplist.ReferencedAssemblies.Add( "System.Data.dll" ); |
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//编译代理类 |
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CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu); |
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if ( true == cr.Errors.HasErrors) |
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{ |
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System.Text.StringBuilder sb = new StringBuilder(); |
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foreach (CompilerError ce in cr.Errors) |
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{ |
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sb.Append(ce.ToString()); |
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sb.Append(System.Environment.NewLine); |
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} |
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throw new Exception(sb.ToString()); |
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} |
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|
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//生成代理实例,并调用方法 |
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System.Reflection.Assembly assembly = cr.CompiledAssembly; |
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Type t = assembly.GetType(@ namespace + "." + classname, true , true ); |
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object obj = Activator.CreateInstance(t); |
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System.Reflection.MethodInfo mi = t.GetMethod(methodname); |
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return mi.Invoke(obj, args); |
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|
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} |
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|
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private static string GetClassName( string url) |
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{ |
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string [] parts = url.Split( '/' ); |
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string [] pps = parts[parts.Length - 1].Split( '.' ); |
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return pps[0]; |
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} |
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|
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} |
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} |