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  • Dynamic Invok Webservice

    来源:网络,自己做修改
    CSharpCodeProvider csc = new CSharpCodeProvider();
    ICodeCompiler icc = csc.CreateCompiler();
    会提示已经过时,
    现在修改为  CodeDomProvider csc= CodeDomProvider.CreateProvider("CSharp");
    
    调用:
    string pcUrl = "http://localhost:8089/test.asmx";
                string pcClassName = "";
                string pcMethodName = "GetData";
                object[] objs =  new object[1];
                objs[0] = "2013";
                DataSet ds = DynamicWebServiceCall.InvokeWebService(pcUrl, pcClassName, pcMethodName, objs) as DataSet;
    
    [csharp] view plain copy print?
    using System;  
    using System.Collections.Generic;  
    using System.Text;  
    using System.Reflection;  
    using System.Net;  
    using System.IO;  
    using System.Web.Services.Description;  
    using System.CodeDom;  
    using System.CodeDom.Compiler;  
    using Microsoft.CSharp;  
      
    /// <summary>  
    /// 动态调用WebService 的相关方法  
    /// </summary>  
    public sealed class DynamicWebServiceCall  
    {  
        /// <summary>  
        /// 动态调用WebService 的方法  
        /// </summary>  
        /// <param name="pcUrl">WebService 的访问路径 http://localhost:8080/WebServiceTest.asmx </param>  
        /// <param name="pcClassName">要调用的类名</param>  
        /// <param name="pcMethodName">方法名</param>  
        /// <param name="args">方法参数</param>  
        /// <returns></returns>  
        public static object InvokeWebService(string pcUrl, string pcMethodName, object[] args)  
        {  
            return InvokeWebService(pcUrl, "", pcMethodName, args);  
        }  
        /// <summary>  
        /// 动态调用WebService 的方法  
        /// </summary>  
        /// <param name="pcUrl">WebService 的访问路径 http://localhost:8080/  或 http://localhost:8080/WebServiceTest.asmx </param>  
        /// <param name="pcClassName">要调用的类名,当Url里已经传动了类名的时候,这里设置为“”</param>  
        /// <param name="pcMethodName">方法名</param>  
        /// <param name="args">方法参数</param>  
        /// <returns></returns>  
        public static object InvokeWebService(string pcUrl, string pcClassName, string pcMethodName, object[] args)  
        {  
            object loRetVal = null;  
      
            try  
            {  
                if (!string.IsNullOrEmpty(pcClassName))  
                {  
                    pcUrl += pcClassName;  
                }  
                else  
                {  
                    pcClassName = GetWsClassName(pcUrl);  
                }  
      
                Assembly loAssemble = CreateDynWebServiceAssemble(pcUrl);  
                if (loAssemble != null)  
                {  
                    string lcNameSpace = "Sonic.Web.WebService.DynamicWebService";  
                    Type t = loAssemble.GetType(lcNameSpace + "." + pcClassName, true, true);  
                    object obj = Activator.CreateInstance(t);  
                    MethodInfo loMethodInfo = t.GetMethod(pcMethodName);  
                    if (loMethodInfo != null)  
                        loRetVal = loMethodInfo.Invoke(obj, args);  
                }  
            }  
            catch (Exception e)  
            {  
                loRetVal = null;  
                throw e;  
            }  
            return loRetVal;  
        }  
      
        /// <summary>  
        /// 动态创建WebService的Assembly  
        /// </summary>  
        /// <param name="pcUrl">WebService 的访问路径 入 http://localhost:8080/WebServiceTest.asmx</param>  
        /// <returns></returns>  
        private static Assembly CreateDynWebServiceAssemble(string pcUrl)  
        {  
            Assembly loRetVal = null;  
            string lcNameSpace = "Sonic.Web.WebService.DynamicWebService";  
            try  
            {  
                //获取WSDL  
                WebClient loWC = new WebClient();  
                Stream stream = loWC.OpenRead(pcUrl + "?WSDL");  
      
                ServiceDescription sd = ServiceDescription.Read(stream);  
                ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();  
                sdi.AddServiceDescription(sd, "", "");  
                CodeNamespace cn = new CodeNamespace(lcNameSpace);  
      
                //生成客户端代理类代码  
                CodeCompileUnit ccu = new CodeCompileUnit();  
                ccu.Namespaces.Add(cn);  
                sdi.Import(cn, ccu);  
                //CSharpCodeProvider csc = new CSharpCodeProvider();  
                //ICodeCompiler icc = csc.CreateCompiler(); //已过时  
                CodeDomProvider csc = CodeDomProvider.CreateProvider("CSharp");  
      
                //设定编译参数  
                CompilerParameters cplist = new CompilerParameters();  
                cplist.GenerateExecutable = false;  
                cplist.GenerateInMemory = true;  
                cplist.ReferencedAssemblies.Add("System.dll");  
                cplist.ReferencedAssemblies.Add("System.XML.dll");  
                cplist.ReferencedAssemblies.Add("System.Web.Services.dll");  
                cplist.ReferencedAssemblies.Add("System.Data.dll");  
      
                //编译代理类  
                CompilerResults cr = csc.CompileAssemblyFromDom(cplist, ccu);  
                if (true == cr.Errors.HasErrors)  
                {  
                    System.Text.StringBuilder sb = new System.Text.StringBuilder();  
                    foreach (System.CodeDom.Compiler.CompilerError ce in cr.Errors)  
                    {  
                        sb.Append(ce.ToString());  
                        sb.Append(System.Environment.NewLine);  
                    }  
                    throw new Exception(sb.ToString());  
                }  
      
                //生成代理实例,并调用方法  
                loRetVal = cr.CompiledAssembly;  
            }  
            catch (Exception e)  
            {  
                loRetVal = null;  
                throw e;  
            }  
      
            return loRetVal;  
        }  
      
        private static string GetWsClassName(string wsUrl)  
        {  
            string[] parts = wsUrl.Split('/');  
            string[] pps = parts[parts.Length - 1].Split('.');  
      
            return pps[0];  
        }  
    }  
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  • 原文地址:https://www.cnblogs.com/zengpeng/p/5749383.html
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