C#动态编译代码

代码

using  System;
using  System.Collections.Generic;
using  System.Linq;
using  System.Text;
using  Microsoft.CSharp;
using  System.IO;
using  System.CodeDom.Compiler;

namespace  CompileFiles
{
     class  Program
    {
         static   void  Main( string [] args)
        {
             // *************************
            IDictionary < string ,  string >  dic  =   new  Dictionary < string ,  string > ();
            dic.Add( " CompilerVersion " ,  " v3.5 " );
            CSharpCodeProvider objCSharpCodePrivoder  =   new  CSharpCodeProvider(dic);

            CompilerParameters paras  =   new  CompilerParameters();
            paras.GenerateExecutable  =   false ;    // 编译成exe还是dll
             // paras.ReferencedAssemblies.Add("System.dll");
            paras.GenerateInMemory  =   true ;    // 是否写入内存,不写入内存就写入磁盘
            paras.OutputAssembly  =   " C:\\UserInfo.dll " ;   // 输出路径
            paras.ReferencedAssemblies.Add( " System.dll " );
            paras.ReferencedAssemblies.Add( @" C:\WINDOWS\assembly\GAC_MSIL\System.Core\3.5.0.0__b77a5c561934e089\System.Core.dll " );
            StreamReader sr  =   new  StreamReader( @" C:\UserInfo.cs " );
            String txtStr  =  sr.ReadToEnd();

            CompilerResults result  =  objCSharpCodePrivoder.CompileAssemblyFromSource(paras, txtStr);
             if  (result.Errors.HasErrors)
            {
                 string  ErrorMessage  =   "" ;
                 foreach  (CompilerError err  in  result.Errors)
                {
                    ErrorMessage  +=  err.ErrorText;
                }
                Console.WriteLine(ErrorMessage);
            }
             // *************************
            Console.ReadKey();
        }
    }
}
//  -----------------------------------------
using  System;


namespace  Model
{
     public   class  UserInfo
    {
         public   virtual   int  ID {  get ;  set ; }
         public   virtual   string  UserID {  get ;  set ; }
         public   virtual   string  UserName {  get ;  set ; }
    }
}