C#动态编译

using Microsoft.CSharp;
using System;
using System.CodeDom.Compiler;
using System.Reflection;
using System.Text;

namespace ConsoleApp1
{
	class Program
	{
		static void Main(string[] args)
		{
			RuntimeCompileTest.Test();
		}

		public class RuntimeCompileTest
		{
			public static void Test()
			{
				var assembly = Compile(@"
		using System;
        public class RuntimeCompiled
        {
            public static void Start()
            {
                Console.WriteLine(""test"");
			}
		}");
				var runtimeType = assembly.GetType("RuntimeCompiled");
				runtimeType.GetMethod("Start").Invoke(null,null);
			}

			public static Assembly Compile(string source)
			{
				// Replace this Compiler.CSharpCodeProvider wth aeroson's version
				// if you're targeting non-Windows platforms:
				var provider = new CSharpCodeProvider();
				var param = new CompilerParameters();
				// Add ALL of the assembly references
				foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
				{
					param.ReferencedAssemblies.Add(assembly.Location);
				}

				// Or, uncomment just the assemblies you need...

				// System namespace for common types like collections.
				//param.ReferencedAssemblies.Add("System.dll");

				// This contains methods from the Unity namespaces:
				//param.ReferencedAssemblies.Add("UnityEngines.dll");

				// This assembly contains runtime C# code from your Assets folders:
				// (If you're using editor scripts, they may be in another assembly)
				//param.ReferencedAssemblies.Add("CSharp.dll");


				// Generate a dll in memory
				param.GenerateExecutable = false;
				param.GenerateInMemory = true;

				// Compile the source
				var result = provider.CompileAssemblyFromSource(param, source);

				if (result.Errors.Count > 0)
				{
					var msg = new StringBuilder();
					foreach (CompilerError error in result.Errors)
					{
						msg.AppendFormat("Error ({0}): {1}\n",
							error.ErrorNumber, error.ErrorText);
					}
					throw new Exception(msg.ToString());
				}

				// Return the assembly
				return result.CompiledAssembly;
			}
		}
	}

}