动态调用web服务

public class WebServiceHelper
{
#region InvokeWebService
/// < summary>
/// 动态调用web服务
/// < /summary>
/// < param name="url">WSDL服务地址< /param>
/// < param name="methodname">方法名< /param>
/// < param name="args">参数< /param>
/// < returns>< /returns>
public static object InvokeWebService(string url, string methodname, object[] args)
{
return InvokeWebService(url, null, methodname, args);
}

/// < summary>
/// 动态调用web服务
/// < /summary>
/// < param name="url">WSDL服务地址< /param>
/// < param name="classname">类名< /param>
/// < param name="methodname">方法名< /param>
/// < param name="args">参数< /param>
/// < returns>< /returns>
public static object InvokeWebService(string url, string classname, string methodname, object[] args)
{
string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
if ((classname == null) || (classname == ""))
{
classname = GetWsClassName(url);
}

try
{
//获取WSDL
WebClient wc = new WebClient();
Stream stream = wc.OpenRead(url);
ServiceDescription sd = ServiceDescription.Read(stream);
ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();
sdi.AddServiceDescription(sd, "", "");
CodeNamespace cn = new CodeNamespace(@namespace);

//生成客户端代理类代码
CodeCompileUnit ccu = new CodeCompileUnit();
ccu.Namespaces.Add(cn);
sdi.Import(cn, ccu);
CSharpCodeProvider icc = new CSharpCodeProvider();

//设定编译参数
CompilerParameters cplist = new CompilerParameters();
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");

//编译代理类
CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu);
if (true == cr.Errors.HasErrors)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (System.CodeDom.Compiler.CompilerError ce in cr.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 = cr.CompiledAssembly;
Type t = assembly.GetType(@namespace + "." + classname, true, true);
object obj = Activator.CreateInstance(t);
System.Reflection.MethodInfo mi = t.GetMethod(methodname);

return mi.Invoke(obj, args);

/*
PropertyInfo propertyInfo = type.GetProperty(propertyname);
return propertyInfo.GetValue(obj, null);
*/
}
catch (Exception ex)
{
throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
}
}

public static string GetWsClassName(string wsUrl)
{
string[] parts = wsUrl.Split('/');
string[] pps = parts[parts.Length - 1].Split('.');

return pps[0];
}
#endregion

}

 

---=========================================================================

调用

private Type DynamicType = null;
private object DynamicObject = null;

private void LoadWSDL()
{
string url = "http://www.xxx.com/webService.asmx?WSDL";

string classname = null;
string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";
if ((classname == null) || (classname == ""))
{
classname = WebServiceHelper.GetWsClassName(url);
}

try
{
//获取WSDL
//WebClient wc = new WebClient();
//Stream stream = wc.OpenRead(url);

var req = HttpWebRequest.Create(url);
var res = req.GetResponse() as HttpWebResponse;
var stream = res.GetResponseStream();

ServiceDescription sd = ServiceDescription.Read(stream);
ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();
sdi.AddServiceDescription(sd, "", "");
CodeNamespace cn = new CodeNamespace(@namespace);

//生成客户端代理类代码
CodeCompileUnit ccu = new CodeCompileUnit();
ccu.Namespaces.Add(cn);
sdi.Import(cn, ccu);
CSharpCodeProvider icc = new CSharpCodeProvider();

//设定编译参数
CompilerParameters cplist = new CompilerParameters();
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");

//编译代理类
CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu);
if (true == cr.Errors.HasErrors)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
foreach (System.CodeDom.Compiler.CompilerError ce in cr.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 = cr.CompiledAssembly;
DynamicType = assembly.GetType(@namespace + "." + classname, true, true);
DynamicObject = Activator.CreateInstance(DynamicType);

/*
PropertyInfo propertyInfo = type.GetProperty(propertyname);
return propertyInfo.GetValue(obj, null);
*/
}
catch (Exception ex)
{
throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
}

}

---调用方法

public string DoMothod()
{

try
{
string methodName = tbMethodName.Text.Trim();
StringBuilder paramLog = new StringBuilder(methodName + "方法参数信息：" + System.Environment.NewLine);
StringBuilder methodInvokeLog = new StringBuilder(System.Environment.NewLine + methodName + "方法调用：");
List<object> paramInfo = new List<object>();

methodInvokeLog.Append(methodName + "(");
if (string.IsNullOrEmpty(methodName))
{
return string.Empty;
}

for (int i = 0; i < tableLayoutPanel1.RowCount; i++)
{
string paramName = tableLayoutPanel1.GetControlFromPosition(0, i).Text.Trim();
string paramType = tableLayoutPanel1.GetControlFromPosition(1, i).Text.Trim();
string paramValue = tableLayoutPanel1.GetControlFromPosition(2, i).Text.Trim();

paramLog.AppendFormat("{0}({1})={2}," + System.Environment.NewLine, paramName, paramType, tableLayoutPanel1.GetControlFromPosition(2, i).Text.Trim());
switch (paramType)
{
case "System.Boolean":
;
paramInfo.Add(ConvertTo<Boolean>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Boolean>(paramValue) + ",");
break;
case "System.Byte":
paramInfo.Add(ConvertTo<Byte>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Byte>(paramValue) + ",");
break;
case "System.SByte":
paramInfo.Add(ConvertTo<SByte>(paramValue));
methodInvokeLog.Append(ConvertTo<System.SByte>(paramValue) + ",");
break;
case "System.Char":
paramInfo.Add(ConvertTo<Char>(paramValue));
methodInvokeLog.AppendFormat("'{0}',", ConvertTo<System.Char>(paramValue));
break;
case "System.Decimal":
paramInfo.Add(ConvertTo<Decimal>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Decimal>(paramValue) + ",");
break;
case "System.Double":
paramInfo.Add(ConvertTo<Double>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Double>(paramValue) + ",");
break;
case "System.Single":
paramInfo.Add(ConvertTo<Single>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Single>(paramValue) + ",");
break;
case "System.Int32":
paramInfo.Add(ConvertTo<Int32>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Int32>(paramValue) + ",");
break;
case "System.UInt32":
paramInfo.Add(ConvertTo<UInt32>(paramValue));
methodInvokeLog.Append(ConvertTo<System.UInt32>(paramValue) + ",");
break;
case "System.Int64":
paramInfo.Add(ConvertTo<Int64>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Int64>(paramValue) + ",");
break;
case "System.UInt64":
paramInfo.Add(ConvertTo<UInt64>(paramValue));
methodInvokeLog.Append(ConvertTo<System.UInt64>(paramValue) + ",");
break;
case "System.Object":
paramInfo.Add(ConvertTo<Object>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Object>(paramValue) + ",");
break;
case "System.Int16":
paramInfo.Add(ConvertTo<Int16>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Int16>(paramValue) + ",");
break;
case "System.UInt16":
paramInfo.Add(ConvertTo<UInt16>(paramValue));
methodInvokeLog.Append(ConvertTo<System.UInt16>(paramValue) + ",");
break;
case "System.String":
paramInfo.Add(ConvertTo<String>(paramValue));
methodInvokeLog.AppendFormat("\"{0}\",", paramValue);
break;
case "System.Date":
case "System.DateTime":
paramInfo.Add(ConvertTo<DateTime>(paramValue));
methodInvokeLog.Append(ConvertTo<System.DateTime>(paramValue) + ",");
break;
case "System.Guid":
paramInfo.Add(ConvertTo<Guid>(paramValue));
methodInvokeLog.Append(ConvertTo<System.Guid>(paramValue) + ",");
break;
default:
paramInfo.Add(ConvertTo<String>(paramValue));
methodInvokeLog.Append(paramValue + ",");
break;
}
}

System.Reflection.MethodInfo methodInfo = DynamicType.GetMethod(methodName);
DateTime begin = DateTime.Now;
var methodResult = methodInfo.Invoke(DynamicObject, paramInfo.ToArray());
double duration = ExecDateDiff(begin,DateTime.Now);

bags.Add(new Result { Duration = duration/1000, Msg = methodResult + string.Empty });
log.Info(paramLog
+ methodInvokeLog.ToString().TrimEnd(',') + ")" + System.Environment.NewLine
+ "结果：" + methodResult + System.Environment.NewLine + "响应时长=" + duration);
return methodResult + string.Empty;
}
catch (Exception ex)
{
log.Error(ex);
WSTestMain_Load(null, null);
}
return string.Empty;
}