接口：

namespace LibertyPortal.Main.IDAL
{
??? public interface Interface1
??? {
??????? void www();
??? }
}???

調用

??????? Assembly assembly = NewAssembly();
??????? Interface1 www = assembly.CreateInstance("xml.tables.Test1") as Interface1;

方法

public static Assembly NewAssembly()
??? {
??????? //foreach (Assembly asm in AppDomain.CurrentDomain.GetAssemblies())
??????? //{
??????? //??? string wzcxzww = asm.Location;
??????? //}
??????? //創建編譯器實例。
??????? CSharpCodeProvider provider = new CSharpCodeProvider();
??????? //設置編譯參數。
??????? CompilerParameters paras = new CompilerParameters();
??????? paras.GenerateExecutable = false;
??????? paras.GenerateInMemory = true;

??????? string wwasw= System.Web.HttpContext.Current.Server.MapPath("Bin");
??????? paras.ReferencedAssemblies.Add(wwasw+"http://www.cnblogs.com/cuihongyu3503319/admin/file://libertyportal.main.idal.dll%22);//要真實地址
??????? paras.ReferencedAssemblies.Add("System.dll");//全局的不用

??????? CodeCompileUnit m_CodeCompileUnit;
??????? CodeNamespace m_CodeNameSpace;//命名空間
??????? CodeTypeDeclaration m_Class;//類
??????? m_CodeCompileUnit = new CodeCompileUnit();
??????? m_CodeNameSpace = new CodeNamespace("xml.tables");
??????? m_CodeCompileUnit.Namespaces.Add(m_CodeNameSpace);
??????? m_Class = new CodeTypeDeclaration("Test1");//類名為Test1
??????? m_Class.IsClass = true;//是類

??????? //產生www方法
??????? CodeTypeReference voidReference = new CodeTypeReference("System.void");//方法無返回值
??????? CodeMemberMethod Test = new CodeMemberMethod();//方法
??????? Test.ReturnType = voidReference;
??????? Test.Name = "www";
??????? Test.Attributes = MemberAttributes.Public | MemberAttributes.Final;
??????? //CodeVariableReferenceExpression m_AddFlagExpression = new CodeVariableReferenceExpression("m_AddFlag");

??????? //CodeAssignStatement assignAddTrue = new CodeAssignStatement(m_AddFlagExpression, new CodePrimitiveExpression(true));
??????? //Test.Statements.Add(assignAddTrue);
??????? m_Class.Members.Add(Test);

?

??????? //m_Class.BaseTypes.Add(new CodeTypeReference(typeof(Object)));
??????? m_Class.BaseTypes.Add(new CodeTypeReference(typeof(Interface1)));//類父親
??????? m_CodeNameSpace.Types.Add(m_Class);

??????? #region 輸出生成源代碼
??????? ICodeGenerator g = provider.CreateGenerator();
??????? g.GenerateCodeFromType(m_Class,System.Web.HttpContext.Current.Response.Output , null);??

??????? #endregion

??????? CompilerResults result = provider.CompileAssemblyFromDom(paras, m_CodeCompileUnit);//編譯

??????? if (result.Errors.Count > 0)
??????? {
??????????? // 顯示編譯錯誤信息。??
??????????? string www = "";
??????????? foreach (CompilerError ce in result.Errors)
??????????? {
??????????????? www += ce.ToString();
??????????????? //Debug.WriteLine();
??????????? }
??????????? System.Web.HttpContext.Current.Response.Write(www);
??????????? return null;
??????? }
??????? else
??????? {
??????????? Debug.WriteLine(result.PathToAssembly);
??????? }

??????? //編譯代碼。
??????? //CompilerResults result = provider.CompileAssemblyFromSource(paras, classSource.ToString());

??????? //獲取編譯后的程序集。
??????? Assembly assembly = result.CompiledAssembly;

??????? return assembly;
??? }

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