使用CodeDOM创建国家/地区和人口的动态方法

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

class Program
{
    static void Main()
    {
        // 创建CodeCompileUnit对象
        CodeCompileUnit compileUnit = new CodeCompileUnit();

        // 创建命名空间
        CodeNamespace ns = new CodeNamespace("DynamicCountry");
        compileUnit.Namespaces.Add(ns);

        // 创建类
        CodeTypeDeclaration countryClass = new CodeTypeDeclaration("Country");
        ns.Types.Add(countryClass);

        // 添加属性
        CodeMemberField countryCodeField = new CodeMemberField(typeof(string), "CountryCode");
        CodeMemberField populationField = new CodeMemberField(typeof(int), "Population");
        countryClass.Members.Add(countryCodeField);
        countryClass.Members.Add(populationField);

        // 添加构造函数
        CodeConstructor constructor = new CodeConstructor();
        constructor.Parameters.Add(new CodeParameterDeclarationExpression(typeof(string), "code"));
        constructor.Parameters.Add(new CodeParameterDeclarationExpression(typeof(int), "population"));
        constructor.Statements.Add(new CodeAssignStatement(new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), "CountryCode"), new CodeArgumentReferenceExpression("code")));
        constructor.Statements.Add(new CodeAssignStatement(new CodeFieldReferenceExpression(new CodeThisReferenceExpression(), "Population"), new CodeArgumentReferenceExpression("population")));
        countryClass.Members.Add(constructor);

        // 生成代码
        CSharpCodeProvider provider = new CSharpCodeProvider();
        CodeGeneratorOptions options = new CodeGeneratorOptions();
        options.BracingStyle = "C";
        options.BlankLinesBetweenMembers = true;

        using (System.IO.StringWriter sw = new System.IO.StringWriter())
        {
            provider.GenerateCodeFromCompileUnit(compileUnit, sw, options);
            Console.WriteLine(sw.ToString());
        }
    }
}

namespace DynamicCountry
{
    public class Country
    {
        private string countryCode;
        private int population;

        public Country(string code, int population)
        {
            this.CountryCode = code;
            this.Population = population;
        }

        public string CountryCode
        {
            get
            {
                return this.countryCode;
            }
            set
            {
                this.countryCode = value;
            }
        }

        public int Population
        {
            get
            {
                return this.population;
            }
            set
            {
                this.population = value;
            }
        }
    }
}