动态调用webservice

 1 /// <summary>
 2         /// 动态调用webservice
 3         /// </summary>
 4         /// <param name="url"></param>
 5         /// <param name="methodName"></param>
 6         /// <param name="args"></param>
 7         /// <returns></returns>
 8         public static object InvokeWebService(string url, string methodName, object[] args)
 9         {
10             //这里的namespace是需引用的webservices的命名空间
11             string @namespace = "WebServerClient";
12             try
13             {
14                 //获取WSDL  
15                 WebClient webClient = new WebClient();
16                 Stream stream = webClient.OpenRead(url + "?WSDL");
17                 ServiceDescription serviceDescription = ServiceDescription.Read(stream);
18                 string classname = serviceDescription.Services[0].Name;
19                 ServiceDescriptionImporter serviceDescriptionImporter = new ServiceDescriptionImporter();
20                 serviceDescriptionImporter.AddServiceDescription(serviceDescription, null, null);
21                 CodeNamespace cn = new CodeNamespace(@namespace);
22 
23                 //生成客户端代理类代码  
24                 CodeCompileUnit codeCompileUnit = new CodeCompileUnit();
25                 codeCompileUnit.Namespaces.Add(cn);
26                 serviceDescriptionImporter.Import(cn, codeCompileUnit);
27                 CSharpCodeProvider csc = new CSharpCodeProvider();
28 
29                 //设定编译参数  
30                 CompilerParameters compilerParameters = new CompilerParameters();
31                 compilerParameters.GenerateExecutable = false;
32                 compilerParameters.GenerateInMemory = true;
33                 compilerParameters.ReferencedAssemblies.Add("System.dll");
34                 compilerParameters.ReferencedAssemblies.Add("System.XML.dll");
35                 compilerParameters.ReferencedAssemblies.Add("System.Data.dll");
36                 compilerParameters.ReferencedAssemblies.Add("System.Web.Services.dll");
37 
38                 //编译代理类  
39                 CompilerResults compilerResults = csc.CompileAssemblyFromDom(compilerParameters, codeCompileUnit);
40                 if (true == compilerResults.Errors.HasErrors)
41                 {
42                     StringBuilder sb = new System.Text.StringBuilder();
43                     foreach (CompilerError ce in compilerResults.Errors)
44                     {
45                         sb.Append(ce.ToString());
46                         sb.Append(System.Environment.NewLine);
47                     }
48                     throw new Exception(sb.ToString());
49                 }
50 
51                 //生成代理实例，并调用方法  
52                 Assembly assembly = compilerResults.CompiledAssembly;
53                 Type type = assembly.GetType(@namespace + "." + classname, true, true);
54                 object obj = Activator.CreateInstance(type);
55                 MethodInfo methodInfo = type.GetMethod(methodName);
56 
57                 return methodInfo.Invoke(obj, args);
58             }
59             catch (Exception ex)
60             {
61                 throw ex;
62             }
63 
64 　　　　string url = @"http://localhost:6568/Services/Test.asmx";
65 
66             object obj = Tools.InvokeWebService(url, "TestMethod", new object[] { });
67             Response.Write(obj.ToString() + "</br></br>");
68 
69             args = "{\"APPID\":1,\"APPName\":\"愤怒的小鸟\",\"APPVersion\":\"1.0\",\"ChannelNumber\":99886,\"PackageName\":\"123.123.123\"}";
70             obj = Tools.InvokeWebService(url, "AddAPPInfo", new object[] { args });
71             Response.Write(obj.ToString() + "</br></br>");
72 
73
调用webservice