使用“代码文档对象模型”(CodeDOM) 生成源代码和可执行文件。

使用“代码文档对象模型”(CodeDOM) 生成源代码和可执行文件。
此示例生成的程序只是输出用惯了的"Hello World!"，但是已经可以起到示范的作用了。
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//                                       此程序由jlgzw编写于 2007.3
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
using System;
using System.IO;
using System.CodeDom;
using System.CodeDom.Compiler;
using Microsoft.CSharp;

namespace ConsoleApplication1
{
    class Program
    {
        private static string strCodeFileName = "Test.cs";

        static void Main(string[] args)
        {
            CodeCompileUnit CompileUnit = new CodeCompileUnit();

            CodeNamespace cn = new CodeNamespace("NS");

            CompileUnit.Namespaces.Add(cn);

            cn.Imports.Add(new CodeNamespaceImport("System"));

            CodeTypeDeclaration Class1 = new CodeTypeDeclaration("Class1");

            CodeConstructor constructor1 = new CodeConstructor();
            constructor1.Attributes = MemberAttributes.Public;
            Class1.Members.Add(constructor1);
 
            CodeMemberMethod method1 = new CodeMemberMethod();           
            method1.Name = "ReturnString";
            method1.Attributes = MemberAttributes.Private;
            method1.ReturnType = new CodeTypeReference("System.String");
            method1.Parameters.Add( new CodeParameterDeclarationExpression("System.String", "Text") );
            method1.Statements.Add(new CodeMethodReturnStatement( new CodeArgumentReferenceExpression("Text")

) );

            Class1.Members.Add(method1);

            cn.Types.Add(Class1);
       
            CodeEntryPointMethod Start = new CodeEntryPointMethod();

            CodeVariableDeclarationStatement varDeclaration1 = new CodeVariableDeclarationStatement(
                  typeof(string),"str",new CodePrimitiveExpression("Hello World!"));

            Start.Statements.Add(varDeclaration1);

            CodeVariableDeclarationStatement varDeclaration2 = new CodeVariableDeclarationStatement(new

CodeTypeReference("Class1"), "class1",
                new CodeObjectCreateExpression( "Class1", new CodeExpression[] {} ));

            Start.Statements.Add(varDeclaration2);

            CodeMethodInvokeExpression mb = new CodeMethodInvokeExpression(new CodeTypeReferenceExpression

("System.Windows.Forms.MessageBox"),
                "Show",
               new CodeMethodInvokeExpression(
                new CodeTypeReferenceExpression("class1"), "ReturnString",
                new CodeVariableReferenceExpression("str")));

            Start.Statements.Add(new CodeExpressionStatement(mb));
          
            Class1.Members.Add(Start);

            CodeDomProvider provider = new CSharpCodeProvider();

            GenerateCode(provider, CompileUnit);

            CompilerResults cr = CompileCode(provider, strCodeFileName);

            if (cr.Errors.Count > 0)
            {
                Console.WriteLine("编译遭遇错误 " + cr.PathToAssembly + ": /r/n");
                foreach (CompilerError ce in cr.Errors)
                    Console.WriteLine(ce.ToString() + "/r/n");
            }
            else
            {
                Console.WriteLine(cr.PathToAssembly + " 生成成功。");      
            }
        }
        public static void GenerateCode(CodeDomProvider provider, CodeCompileUnit compileunit)
        {
            IndentedTextWriter tw = new IndentedTextWriter(new StreamWriter(strCodeFileName, false), "    ");
            // Generate source code using the code generator.
            provider.GenerateCodeFromCompileUnit(compileunit, tw, new CodeGeneratorOptions());
            // Close the output file.
            tw.Close();
        }
        public static CompilerResults CompileCode(CodeDomProvider provider, string filepath)
        {
            CompilerParameters cp = new CompilerParameters(new string[] { "System.dll"

,"System.Windows.Forms.dll"}, filepath.Substring(0, filepath.LastIndexOf(".") + 1) + "exe", false);

            cp.GenerateExecutable = true;

            CompilerResults cr = provider.CompileAssemblyFromFile(cp, filepath);

            return cr;
        }
    }
} 

 

下面是生成的Test.cs:

//------------------------------------------------------------------------------
// <auto-generated>
//     此代码由工具生成。
//     运行库版本:2.0.50727.42
//
//     对此文件的更改可能会导致不正确的行为，并且如果
//     重新生成代码，这些更改将会丢失。
// </auto-generated>
//------------------------------------------------------------------------------

namespace NS {
    using System;
   
   
    public class Class1 {
       
        public Class1() {
        }
       
        private string ReturnString(string Text) {
            return Text;
        }
       
        public static void Main() {
            string str = "Hello World!";
            Class1 class1 = new Class1();
            System.Windows.Forms.MessageBox.Show(class1.ReturnString(str));
        }
    }
}