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c#动态调用WebService程序代码

时间:2010-10-29 00:40来源:知行网www.zhixing123.cn 编辑:麦田守望者

using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
using System.Net;
using System.Web.Services.Description;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Reflection;
namespace WindowsServiceWebDefaultHotCity
{
/// <summary>
/// WebService代理类
/// </summary>
public class WebServiceAgent
{
private object agent;
private Type agentType;
private const string CODE_NAMESPACE = "Beyondbit.WebServiceAgent.Dynamic";
/// <summary>
/// 构造函数
/// </summary>
/// <param name="url"></param>
public WebServiceAgent(string url)
{
XmlTextReader reader = new XmlTextReader(url + "?wsdl");

//创建和格式化 WSDL 文档
ServiceDescription sd = ServiceDescription.Read(reader);

//创建客户端代理代理类
ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();
sdi.AddServiceDescription(sd, null, null);

//使用 CodeDom 编译客户端代理类
CodeNamespace cn = new CodeNamespace(CODE_NAMESPACE);
CodeCompileUnit ccu = new CodeCompileUnit();
ccu.Namespaces.Add(cn);
sdi.Import(cn, ccu);
Microsoft.CSharp.CSharpCodeProvider icc = new Microsoft.CSharp.CSharpCodeProvider();
CompilerParameters cp = new CompilerParameters();
CompilerResults cr = icc.CompileAssemblyFromDom(cp, ccu);
agentType = cr.CompiledAssembly.GetTypes()[0];
agent = Activator.CreateInstance(agentType);
}

///<summary>
///调用指定的方法
///</summary>
///<param name="methodName">方法名,大小写敏感</param>
///<param name="args">参数,按照参数顺序赋值</param>
///<returns>Web服务的返回值</returns>
public object Invoke(string methodName, params object[] args)
{
MethodInfo mi = agentType.GetMethod(methodName);
return this.Invoke(mi, args);
}
///<summary>
///调用指定方法
///</summary>
///<param name="method">方法信息</param>
///<param name="args">参数,按照参数顺序赋值</param>
///<returns>Web服务的返回值</returns>
public object Invoke(MethodInfo method, params object[] args)
{
return method.Invoke(agent, args);
}
public MethodInfo[] Methods
{
get
{
return agentType.GetMethods();
}
}
}
}


Code
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;

using System.Text;
using System.Windows.Forms;

namespace WindowsApplication1
{
public partial class Form1 : Form
{
private string _url = "http://www.baidu.com";
public Form1()
{
InitializeComponent();
init_Data();
}

public void init_Data()
{
WindowsServiceWebDefaultHotCity.WebServiceAgent agent = new WindowsServiceWebDefaultHotCity.WebServiceAgent(_url);
object[] args = new object[6];
args[0] = "PEK";
args[1] = "CAN";
args[2] = "";
args[3] = "2008-08-02";
args[4] = "00:00";
args[5] = "own_9588";
string text=agent.Invoke("GetAllFlight", args).ToString();
textBox1.Text = text;
}
}
}

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标签(Tag):C# C#实例教程 c#基础教程 C#源码
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