/// <summary>/// 动态生成WebService服务客户端/// </summary>/// <param name="serviceProvider">WebService服务的提供者</param>/// <param name="url">WebService具体地址</param>/// <param name="serviceName">需要调用的类名</param>/// <param name="actionName">需要请求的方法</param>/// <param name="args">方法参数列表</param>/// <returns></returns>public static object InvokeWebService(string serviceProvider, string url, string serviceName, string actionName, object[] args){if (string.IsNullOrEmpty(url)){throw new ArgumentNullException("url");}if (string.IsNullOrEmpty(serviceName)){serviceName = GetWsClassName(url);}var shortUrl = BuildShortUrl(url);var nameSpace = string.Format("{0}_{1}_{2}", serviceProvider, serviceName, shortUrl);var binDir = HttpRuntime.AppDomainId == null ? AppDomain.CurrentDomain.BaseDirectory : HttpRuntime.BinDirectory;var asmFullPath = System.IO.Path.Combine(binDir, string.Format("{0}.dll", nameSpace));#regionif (!File.Exists(asmFullPath)){if (!url.ToLower().EndsWith("?wsdl")){url += "?wsdl";}//获取WSDL WebClient webClient = new WebClient();try{#region 动态生成DLLStream wsdlStream = webClient.OpenRead(url);//服务描述ServiceDescription serviceDesc = ServiceDescription.Read(wsdlStream);//生成客户端代理类ServiceDescriptionImporter clientBuilder = new ServiceDescriptionImporter(){CodeGenerationOptions = System.Xml.Serialization.CodeGenerationOptions.GenerateNewAsync | System.Xml.Serialization.CodeGenerationOptions.GenerateProperties,ProtocolName = "Soap",Style = ServiceDescriptionImportStyle.Client};clientBuilder.AddServiceDescription(serviceDesc, null, null);//生成客户端代理类代码CodeNamespace ns = new CodeNamespace(nameSpace);CodeCompileUnit ccu = new CodeCompileUnit();ccu.Namespaces.Add(ns);//按照clientBuilder的配置来生成代码
                    clientBuilder.Import(ns, ccu);//C#代码容器var sourceCodeProvider = new CSharpCodeProvider();//设定编译参数var comParams = new CompilerParameters();comParams.GenerateExecutable = false;//如果此属性的值为 false，则生成 DLLcomParams.GenerateInMemory = false;comParams.OutputAssembly = asmFullPath; // 可以指定你所需的任何文件名。comParams.ReferencedAssemblies.Add("System.dll");comParams.ReferencedAssemblies.Add("System.XML.dll");comParams.ReferencedAssemblies.Add("System.Web.Services.dll");comParams.ReferencedAssemblies.Add("System.Data.dll");comParams.CompilerOptions = "/optimize";//编译                 var comResult = sourceCodeProvider.CompileAssemblyFromDom(comParams, ccu);if (comResult.Errors.HasErrors){System.Text.StringBuilder sb = new System.Text.StringBuilder();foreach (System.CodeDom.Compiler.CompilerError ce in comResult.Errors){sb.Append(ce.ToString());sb.Append(System.Environment.NewLine);}throw new Exception(sb.ToString());}#endregion}catch (Exception ex){}finally{webClient.Dispose();}}#endregion//生成代理实例，并调用方法var asm = System.Reflection.Assembly.LoadFile(asmFullPath);Type t = asm.GetType(nameSpace + "." + serviceName, true, true);object obj = Activator.CreateInstance(t);System.Reflection.MethodInfo mi = t.GetMethod(actionName);return mi.Invoke(obj, args);}

// Hash an input string and return the hash as// a 32 character hexadecimal string.static string getMd5Hash(string input){// Create a new instance of the MD5CryptoServiceProvider object.System.Security.Cryptography.MD5 md5Hasher = System.Security.Cryptography.MD5.Create();// Convert the input string to a byte array and compute the hash.byte[] data = md5Hasher.ComputeHash(Encoding.Default.GetBytes(input));// Create a new Stringbuilder to collect the bytes// and create a string.StringBuilder sBuilder = new StringBuilder();// Loop through each byte of the hashed data// and format each one as a hexadecimal string.for (int i = 0; i < data.Length; i++){sBuilder.Append(data[i].ToString("x2"));}// Return the hexadecimal string.return sBuilder.ToString();}static string BuildShortUrl(string url){// 可以自定义生成 MD5 加密字符传前的混合 KEYstring key = "fF{#E@#:RJP(#!$";// 要使用生成 URL 的字符string[] chars = new string[] { "a" , "b" , "c" , "d" , "e" , "f" , "g" , "h" ,"i" , "j" , "k" , "l" , "m" , "n" , "o" , "p" , "q" , "r" , "s" , "t" ,"u" , "v" , "w" , "x" , "y" , "z" , "0" , "1" , "2" , "3" , "4" , "5" ,"6" , "7" , "8" , "9" , "A" , "B" , "C" , "D" , "E" , "F" , "G" , "H" ,"I" , "J" , "K" , "L" , "M" , "N" , "O" , "P" , "Q" , "R" , "S" , "T" ,"U" , "V" , "W" , "X" , "Y" , "Z"};// 对传入网址进行 MD5 加密string hex = getMd5Hash(url + key);string[] resUrl = new string[4];for (int i = 0; i < 4; i++){// 把加密字符按照 8 位一组 16 进制与 0x3FFFFFFF 进行位与运算string sTempSubString = hex.Substring(i * 8, 8);// 这里需要使用 long 型来转换，因为 Inteper .parseInt() 只能处理 31 位 , 首位为符号位 , 如果不用 long ，则会越界long lHexLong = 0x3FFFFFFF & long.Parse(sTempSubString, System.Globalization.NumberStyles.AllowHexSpecifier);string outChars = "";for (int j = 0; j < 2; j++){// 把得到的值与 0x0000003D 进行位与运算，取得字符数组 chars 索引long index = 0x0000003D & lHexLong;// 把取得的字符相加outChars += chars[(int)index];// 每次循环按位右移 7 位lHexLong = lHexLong >> 7;}// 把字符串存入对应索引的输出数组resUrl[i] = outChars;}return string.Join("", resUrl);}