/// <summary>
/// 取得Dll中某個Class的Instance
/// </summary>
/// <param name="dllPath">DLL 的路徑</param>
/// <param name="className">Class name（ClassLibrary1.Class1）</param>
/// <param name="output">輸出ReflectInstance，之後可以用該實體去呼叫Method</param>
/// <returns></returns>
public static bool GetDllClassInstance(string dllPath, string className, out LkReflectModel output)
{
output = new LkReflectModel();
bool result = false;
try
{
//output.AppDomainObj = AppDomain.CreateDomain("some");
//Assembly assembly = null;
//output.AppDomainObj.DoCallBack(() =>
//{
// assembly = Assembly.LoadFrom(dllPath);
//});
//output.AssemblyDll = assembly;
//TODO 不會被lock的方法
//byte[] dllBytes = System.IO.File.ReadAllBytes(dllPath);
//output.AssemblyDll = Assembly.Load(dllBytes);
//TODO 省memory
output.Assembly = Assembly.LoadFile(LkCommonUtil.GetFilePath(dllPath.CheckExtansion("dll")));
output.Class = output.Assembly.GetType(className);
output.ClassInstance = Activator.CreateInstance(output.Class);
result = true;
}
catch (Exception e)
{
throw e;
}
return(result);
}
/// <summary>
/// 執行Method
/// </summary>
/// <param name="methodName">Method name</param>
/// <param name="classInstance">要呼叫的Class Instance</param>
/// <param name="input">傳入的參數</param>
/// <param name="output">回傳結果</param>
/// <returns></returns>
public static bool ExecuteMethod(string methodName, LkReflectModel classInstance, object[] input, out object output)
{
bool result = false;
output = null;
try
{
MethodInfo methodInfo = classInstance.Class.GetMethod(methodName);
output = methodInfo.Invoke(classInstance.ClassInstance, input);
result = true;
}
catch (Exception e)
{
throw e;
}
return(result);
}
/// <summary>
/// 執行Method
/// </summary>
/// <param name="methodName">Method name</param>
/// <param name="classInstance">要呼叫的Class Instance</param>
/// <param name="input">傳入的參數</param>
/// <param name="output">回傳結果</param>
/// <returns></returns>
public static bool ExecuteMethod(string methodName, LkReflectModel classInstance, object input, out object output)
{
bool result = false;
output = null;
try
{
MethodInfo methodInfo = classInstance.Class.GetMethod(methodName);
output = methodInfo.Invoke(classInstance.ClassInstance, new object[] { input });
result = true;
}
catch (Exception e)
{
//LkLog.WriteLog(LogLevel.Error, "DLL:" + classInstance.AssemblyDll.ManifestModule.Name + " Class:" + classInstance.ClassType.Name + " Method:" + methodName, e);
throw e;
}
return(result);
}
/// <summary>
/// 取得webservice instance
/// </summary>
/// <param name="url">url+?wsdl</param>
/// <param name="assemblyReferences"></param>
/// <param name="output"></param>
/// <returns></returns>
public static bool GetWebServiceInstance(string url, string[] assemblyReferences, out LkReflectModel output, string userName = "", string password = "")
{
//http://www.codeproject.com/Articles/18950/Dynamic-Discovery-and-Invocation-of-Web-Services
//https://dotblogs.com.tw/jimmyyu/archive/2009/04/22/8139.aspx
output = new LkReflectModel();
if (assemblyReferences == null)
{
assemblyReferences = new string[3] {
"System.Web.Services.dll", "System.Xml.dll", "System.Data.dll"
};
}
bool result = false;
try
{
WebRequest webRequest = WebRequest.Create(url);
//有要權限的話要加下面
//webRequest.Credentials = System.Net.CredentialCache.DefaultCredentials;
if (!string.IsNullOrEmpty(userName) && !string.IsNullOrEmpty(password))
{
webRequest.Credentials = new NetworkCredential(userName, password);
webRequest.PreAuthenticate = true;
}
Stream requestStream = webRequest.GetResponse().GetResponseStream();
// Get a WSDL file describing a service
//ServiceDescription类提供一种方法，以创建和格式化用于描述 XML Web services 的有效的 Web 服务描述语言 (WSDL) 文档文件，该文件是完整的，具有适当的命名空间、元素和特性。 无法继承此类。
//ServiceDescription.Read 方法 (Stream) 通过直接从 Stream实例加载 XML 来初始化ServiceDescription类的实例。
ServiceDescription sd = ServiceDescription.Read(requestStream);
string sdName = sd.Services[0].Name;
// Initialize a service description servImport
//ServiceDescriptionImporter 类 公开一种为 XML Web services 生成客户端代理类的方法。
//ServiceDescriptionImporter.AddServiceDescription 方法 将指定的ServiceDescription添加到要导入的ServiceDescriptions值的集合中。
ServiceDescriptionImporter servImport = new ServiceDescriptionImporter();
servImport.AddServiceDescription(sd, String.Empty, String.Empty);
servImport.ProtocolName = "Soap";
servImport.CodeGenerationOptions = CodeGenerationOptions.GenerateProperties;
//CodeNamespace表示命名空间声明。
CodeNamespace nameSpace = new CodeNamespace();
//CodeCompileUnit会提供一个CodeDOM程式圆形的容器，CodeCompileUnit含有一个集合，可以储存含有CodeDOM原始程式码原形，专案参考的组件集合以及专案组件属性集合的CodeNamespace物件。
CodeCompileUnit codeCompileUnit = new CodeCompileUnit();
codeCompileUnit.Namespaces.Add(nameSpace);
// Set Warnings
ServiceDescriptionImportWarnings warnings = servImport.Import(nameSpace, codeCompileUnit);
if (warnings == 0)
{
StringWriter stringWriter = new StringWriter(System.Globalization.CultureInfo.CurrentCulture);
//CSharpCodeProvider类提供存取C#程式码产生器和程式码编译器的执行个体。
Microsoft.CSharp.CSharpCodeProvider prov = new Microsoft.CSharp.CSharpCodeProvider();
// 取得C#程式码编译器的执行个体
prov.GenerateCodeFromNamespace(nameSpace, stringWriter, new CodeGeneratorOptions());
// Compile the assembly with the appropriate references
// 创建编译器的参数实例
CompilerParameters param = new CompilerParameters(assemblyReferences);
param.GenerateExecutable = false;
param.GenerateInMemory = true;
param.TreatWarningsAsErrors = false;
param.WarningLevel = 4;
// CompilerResults表示从编译器返回的编译结果。使用指定的编译器设定，根据CodeCompileUnit物件之指定阵列所包含的System.CodeDom树状结构，编译一个组件。
CompilerResults results = new CompilerResults(new TempFileCollection());
// Compile
results = prov.CompileAssemblyFromDom(param, codeCompileUnit);
if (true == results.Errors.HasErrors)
{
System.Text.StringBuilder tStr = new System.Text.StringBuilder();
foreach (System.CodeDom.Compiler.CompilerError tComError in results.Errors)
{
tStr.Append(tComError.ToString());
tStr.Append(System.Environment.NewLine);
}
throw new Exception(tStr.ToString());
}
output.Assembly = results.CompiledAssembly;
output.Class = output.Assembly.GetType(sdName);
output.ClassInstance = Activator.CreateInstance(output.Class);
result = true;
}
}
catch (Exception e)
{
throw e;
}
return(result);
}
