C# 动态调用WebService的示例
作者:秋荷雨翔 时间:2023-07-04 05:40:20
WebServiceHelper代码:
using Microsoft.CSharp;
using System;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Reflection;
using System.Text;
using System.Web.Services.Description;
using System.Xml.Serialization;
namespace SunCreate.HaiKang8600WebService.Utils
{
/// <summary>
/// 动态调用WebService
/// </summary>
public static class WebServiceHelper
{
/// <summary>
/// 动态调用WebService
/// </summary>
/// <param name="url">WebService地址</param>
/// <param name="strNamespace">命名空间</param>
/// <param name="className">类名</param>
/// <param name="methodName">方法名(模块名)</param>
/// <param name="args">参数列表</param>
public static object InvokeWebService(string url, string strNamespace, string className, string methodName, object[] args)
{
try
{
WebClient webClient = new WebClient();
Stream stream = webClient.OpenRead(url); //获取服务描述语言(WSDL)
ServiceDescription serviceDescription = ServiceDescription.Read(stream); //通过直接从 Stream实例加载 XML 来初始化ServiceDescription类的实例。
ServiceDescriptionImporter serviceDescriptionImporter = new ServiceDescriptionImporter();
serviceDescriptionImporter.AddServiceDescription(serviceDescription, null, null);
//生成客户端代理类代码
CodeNamespace codeNamespace = new CodeNamespace(strNamespace); //CodeNamespace表示命名空间声明。
CodeCompileUnit codeCompileUnit = new CodeCompileUnit();
codeCompileUnit.Namespaces.Add(codeNamespace);
serviceDescriptionImporter.Import(codeNamespace, codeCompileUnit);
CSharpCodeProvider csharpCodeProvider = new CSharpCodeProvider();
ICodeCompiler iCodeCompiler = csharpCodeProvider.CreateCompiler();//取得C#程式码编译器的执行个体
//设定编译器的参数
CompilerParameters compilerParameters = new CompilerParameters();//创建编译器的参数实例
compilerParameters.GenerateExecutable = false;
compilerParameters.GenerateInMemory = true;
compilerParameters.ReferencedAssemblies.Add("System.dll");
compilerParameters.ReferencedAssemblies.Add("System.XML.dll");
compilerParameters.ReferencedAssemblies.Add("System.Web.Services.dll");
compilerParameters.ReferencedAssemblies.Add("System.Data.dll");
//编译代理类
CompilerResults compilerResults = iCodeCompiler.CompileAssemblyFromDom(compilerParameters, codeCompileUnit);
if (true == compilerResults.Errors.HasErrors)
{
StringBuilder sb = new StringBuilder();
foreach (CompilerError ce in compilerResults.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
System.Reflection.Assembly assembly = compilerResults.CompiledAssembly;
Type type = assembly.GetType(strNamespace + "." + className, true, true);
object obj = Activator.CreateInstance(type);
System.Reflection.MethodInfo methodInfo = type.GetMethod(methodName); //MethodInfo 的实例可以通过调用GetMethods或者Type对象或派生自Type的对象的GetMethod方法来获取,还可以通过调用表示泛型方法定义的 MethodInfo 的MakeGenericMethod方法来获取。
return methodInfo.Invoke(obj, args);
}
catch (Exception ex)
{
LogUtil.LogError(ex, "动态调用WebService 错误");
return null;
}
}
}
}
使用示例:
string url = "http://172.16.36.26:8080/attachment/services/AttachmentService?wsdl";
object[] args = new object[2];
args[0] = "1";
args[1] = "1";
object str = WebServiceHelper.InvokeWebService(url, "service.webservice", "AttachmentService", "checkGrade", args);
string sstr = str.ToString();
来源:https://www.cnblogs.com/s0611163/p/10096745.html
标签:C#,动态调用,WebService
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