ClassName：WebServiceInvoke.cs
ClassCode:
1 using System;
2 using System.CodeDom;
3 using System.CodeDom.Compiler;
4 using System.IO;
5 using System.Linq;
6 using System.Net;
7 using System.Reflection;
8 using System.Text;
9 using System.Web.Services.Description;
10 using Microsoft.CSharp;
11
12 /// <summary>
13 ///动态链接web server
14 /// </summary>
15 public class WebServiceInvoke
16 {
17 public WebServiceInvoke()
18 {
19 //
20 //TODO: 在此处添加构造函数逻辑
21 //
22 }
23
24 /// <summary>
25 /// 调用web 服务
26 /// </summary>
27 /// <param name="url">webServer url</param>
28 /// <param name="className">web Server ClassName</param>
29 /// <param name="methodName">web Server methodName</param>
30 /// <param name="parameters">method parameter</param>
31 /// <returns>retValue</returns>
32 public object InvokeWebService(string url,string className,string methodName,object[] parameters)
33 {
34 //1. 从目标 URL 下载 WSDL 数据。
35 //2. 使用 ServiceDescription 创建和格式化 WSDL 文档文件。
36 //3. 使用 ServiceDescriptionImporter 创建客户端代理类。
37 //4. 使用 CodeDom 动态创建客户端代理类程序集。
38 //5. 利用反射调用相关 WebService 方法。
39
40 string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
41 if (string.IsNullOrEmpty(className))
42 className = GetClassName(url);
43
44 try
45 {
46 //获取WSDL数据
47 WebClient webClient = new WebClient();
48 Stream stream= webClient.OpenRead(url + "?WSDL");
49 ServiceDescription sDescription = ServiceDescription.Read(stream);
50 ServiceDescriptionImporter sDescriptionImporter = new ServiceDescriptionImporter();
51 sDescriptionImporter.AddServiceDescription(sDescription, "", "");
52
53 //生成客户端代理类代码
54 CodeNamespace codeNamespace = new CodeNamespace(@namespace);
55 CodeCompileUnit codeCompileUnit = new CodeCompileUnit();
56 codeCompileUnit.Namespaces.Add(codeNamespace);
57 sDescriptionImporter.Import(codeNamespace, codeCompileUnit);
58
59 //设定编译参数
60 CompilerParameters compilerList = new CompilerParameters
61 {
62 GenerateExecutable=false,
63 GenerateInMemory=true
64 };
65 compilerList.ReferencedAssemblies.Add("System.dll");
66 compilerList.ReferencedAssemblies.Add("System.XML.dll");
67 compilerList.ReferencedAssemblies.Add("System.Web.Services.dll");
68 compilerList.ReferencedAssemblies.Add("System.Data.dll");
69
70 //编译代理类
71 CSharpCodeProvider csharpCodeProvider = new CSharpCodeProvider();
72 CompilerResults compilerResult = csharpCodeProvider.CompileAssemblyFromDom(compilerList, codeCompileUnit);
73 if (compilerResult.Errors.HasErrors == true)
74 {
75 StringBuilder errorSb = new StringBuilder();
76 foreach (var item in compilerResult.Errors)
77 {
78 errorSb.Append(item.ToString());
79 errorSb.Append(System.Environment.NewLine);
80 }
81 throw new Exception(errorSb.ToString());
82 }
83
84 //生成代理实例，调用方法
85 Assembly assembly = compilerResult.CompiledAssembly;
86 Type t = assembly.GetType(@namespace + "." + className, true, true);
87 object obj = Activator.CreateInstance(t);
88 MethodInfo methodInfo = t.GetMethod(methodName);
89 var retValue= methodInfo.Invoke(obj, parameters);
90 return retValue;
91 }
92 catch (Exception ex)
93 {
94 throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
95 }
96 }
97
98 /// <summary>
99 /// 获取ClassName
100 /// </summary>
101 /// <param name="url">web Server url</param>
102 /// <returns>className</returns>
103 private string GetClassName(string url)
104 {
105 string[] urlArray = url.Split(‘/‘);
106 return urlArray[urlArray.Count() - 1].Split(‘.‘)[0];
107 }
108 }
Use Code:
1 WebServiceInvokewi = new WebServiceInvoke();
2 byte[] byteArray = System.Text.Encoding.Default.GetBytes(XML);
3 object[] parameters = { byteArray, "0" };
4 wi.InvokeWebService(url_to, "DisService", "ImpLes", parameters);
WebService WSDL动态访问
时间： 2024-10-11 21:04:10