動態呼叫webservice地址(類)
阿新 • • 發佈:2019-01-02
public static class WebServiceHelper
{
/// <summary>
/// 動態呼叫WebService
/// </summary>
/// <param name="url">WebService地址</param>
/// <param name="methodname">方法名(模組名)</param>
/// <param name="args">引數列表,無引數為null</param>
/// <returns>object</returns>
public static object InvokeWebService(string url, string methodname, object[] args)
{
return InvokeWebService(url, null, methodname, args);
}
/// <summary>
/// 動態呼叫WebService
/// </summary>
/// <param name="url">WebService地址</param>
/// <param name="classname">類名</param>
/// <param name="methodname">方法名(模組名)</param>
/// <param name="args">引數列表</param>
/// <returns>object</returns>
public static object InvokeWebService(string url, string classname, string methodname, object[] args)
{
try
{
string @namespace = "WebService.webservice";
if (classname == null || classname == "")
{
classname = WebServiceHelper.GetClassName(url);
}
WebClient wc = new WebClient();
Stream stream = wc.OpenRead(url + "?WSDL"); //獲取服務描述語言(WSDL)
System.Web.Services.Description.ServiceDescription sd = System.Web.Services.Description.ServiceDescription.Read(stream); //通過直接從 Stream例項載入 XML 來初始化ServiceDescription類的例項。
ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();
sdi.AddServiceDescription(sd, "", "");
CodeNamespace cn = new CodeNamespace(@namespace); //CodeNamespace表示名稱空間宣告。
//生成客戶端代理類程式碼
CodeCompileUnit ccu = new CodeCompileUnit();
ccu.Namespaces.Add(cn);
sdi.Import(cn, ccu);
CSharpCodeProvider csc = new CSharpCodeProvider();
ICodeCompiler icc = csc.CreateCompiler();//取得C#程式碼編譯器的執行個體
//設定編譯器的引數
CompilerParameters cplist = new CompilerParameters();//建立編譯器的引數例項
cplist.GenerateExecutable = false;
cplist.GenerateInMemory = true;
cplist.ReferencedAssemblies.Add("System.dll");
cplist.ReferencedAssemblies.Add("System.XML.dll");
cplist.ReferencedAssemblies.Add("System.Web.Services.dll");
cplist.ReferencedAssemblies.Add("System.Data.dll");
//編譯代理類
CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu);
if (true == cr.Errors.HasErrors)
{
System.Text.StringBuilder sb = new StringBuilder();
foreach (CompilerError ce in cr.Errors)
{
sb.Append(ce.ToString());
sb.Append(System.Environment.NewLine);
}
throw new Exception(sb.ToString());
}
//生成代理例項,並呼叫方法
System.Reflection.Assembly assembly = cr.CompiledAssembly;
Type t = assembly.GetType(@namespace + "." + classname, true, true);
object obj = Activator.CreateInstance(t);
System.Reflection.MethodInfo mi = t.GetMethod(methodname);//MethodInfo 的例項可以通過呼叫GetMethods或者Type物件或派生自Type的物件的GetMethod方法來獲取,還可以通過呼叫表示泛型方法定義的 MethodInfo 的MakeGenericMethod方法來獲取。
return mi.Invoke(obj, args);
}
catch (Exception ex)
{
PubCommon.WriteLog("WebService呼叫失敗:" + ex.Message);
}
return null;
}
private static string GetClassName(string url)
{
//假如URL為"http://localhost/InvokeService/Service1.asmx"
//最終的返回值為 Service1
string[] parts = url.Split('/');
string[] pps = parts[parts.Length - 1].Split('.');
return pps[0];
}
}
呼叫方法:
object[] ob = new object[] { UnitId, User, Pwd, Phone, Email, sysList.Split(','), Scenic.Split(','), "Manager" };
string result = Convert.ToString(WebServiceHelper.InvokeWebService(LoginWebServices, methodName1, ob));
LoginWebServices:webservice地址
methodName1:方法名
ob:引數