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93 lines
3.7 KiB
Plaintext
93 lines
3.7 KiB
Plaintext
using System;
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using System.CodeDom;
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using System.CodeDom.Compiler;
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using System.IO;
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using System.Net;
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using System.Reflection;
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using System.Web.Services.Description;
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namespace BP.WF.Difference
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{
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public class WF_DynamicWebService
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{
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/// <summary>
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/// 动态调用web服务
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/// </summary>
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/// <param name="url"></param>
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/// <param name="classname"></param>
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/// <param name="methodname"></param>
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/// <param name="args"></param>
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/// <returns></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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CookieContainer container = new CookieContainer();
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string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
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if ((className == null) || (className == ""))
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{
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className = GetWsClassName(url);
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}
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try
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{
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//获取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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CodeDomProvider icc = CodeDomProvider.CreateProvider("CSharp");
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//CSharpCodeProvider csc = new CSharpCodeProvider();
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//ICodeCompiler icc = csc.CreateCompiler();
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//设定编译参数
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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 System.Text.StringBuilder();
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foreach (System.CodeDom.Compiler.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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//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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//设置CookieContainer 1987raymond添加
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PropertyInfo property = t.GetProperty("CookieContainer");
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property.SetValue(obj, container, null);
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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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catch (Exception ex)
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{
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throw ex;
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}
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}
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private static string GetWsClassName(string wsUrl)
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{
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string[] parts = wsUrl.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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