VS2019 自定义项目模板的实现方法

namespace $safeprojectname$
{
     /// <summary>
    /// 作者:$username$
    /// 时间:$time$
    /// 机器名:$machinename$
    /// 项目名:$projectname$
    /// </summary>
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateHostBuilder(args).Build().Run();
        }
        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureWebHostDefaults(webBuilder =>
                {
                    webBuilder.UseStartup<Startup>();
                });
    }
}

public void ConfigureServices(IServiceCollection services)
{
    //注册Swagger生成器，定义一个和多个Swagger 文档
    services.AddSwaggerGen(c =>
    {
        c.SwaggerDoc("v1", new OpenApiInfo { Title = "$safeprojectname$ API", Version = "v1" });
        // other
    });
}

<VSTemplate Version="3.0.0" xmlns="http://schemas.microsoft.com/developer/vstemplate/2005" Type="Project">
  <TemplateData>
    <!--项目名称-->
    <Name>ApiTemplate</Name>
    <!--项目描述-->
    <Description>基础API模板：支持SwaggerUI、认证、性能监控等基础功能</Description>
    <!--项目类型-->
    <ProjectType>CSharp</ProjectType>
    <ProjectSubType>
    </ProjectSubType>
    <SortOrder>1000</SortOrder>
    <!--指定在实例化项目时是否创建包含文件夹。-->
    <CreateNewFolder>true</CreateNewFolder>
    <!--缺省名称-->
    <DefaultName>ApiTemplate</DefaultName>
    <ProvideDefaultName>true</ProvideDefaultName>
    <LocationField>Enabled</LocationField>
    <EnableLocationBrowseButton>true</EnableLocationBrowseButton>
    <CreateInPlace>true</CreateInPlace>
    <!--语言标签-->
    <LanguageTag>CSharp</LanguageTag>
    <LanguageTag>Javascript</LanguageTag>
    <!--平台标签-->
    <PlatformTag>Windows</PlatformTag>
    <PlatformTag>Linux</PlatformTag>
    <!--项目标签-->
    <ProjectTypeTag>Web</ProjectTypeTag>
    <!--图标-->
    <Icon>__TemplateIcon.png</Icon>
    <PreviewImage>__PreviewImage.png</PreviewImage>
  </TemplateData>
  <TemplateContent>
    <Project TargetFileName="ApiProjectTemplates.csproj" File="ApiProjectTemplates.csproj" ReplaceParameters="true">
      <Folder Name="Properties" TargetFolderName="Properties">
        <ProjectItem ReplaceParameters="true" TargetFileName="launchSettings.json">launchSettings.json</ProjectItem>
      </Folder>
      <Folder Name="Controllers" TargetFolderName="Controllers">
        <ProjectItem ReplaceParameters="true" TargetFileName="WeatherForecastController.cs">WeatherForecastController.cs</ProjectItem>
      </Folder>
      <ProjectItem ReplaceParameters="true" TargetFileName="appsettings.json">appsettings.json</ProjectItem>
      <ProjectItem ReplaceParameters="true" TargetFileName="appsettings.Development.json">appsettings.Development.json</ProjectItem>
      <ProjectItem ReplaceParameters="true" TargetFileName="JwtSetting.cs">JwtSetting.cs</ProjectItem>
      <ProjectItem ReplaceParameters="true" TargetFileName="Program.cs">Program.cs</ProjectItem>
      <ProjectItem ReplaceParameters="true" TargetFileName="Startup.cs">Startup.cs</ProjectItem>
      <ProjectItem ReplaceParameters="true" TargetFileName="WeatherForecast.cs">WeatherForecast.cs</ProjectItem>
    </Project>
  </TemplateContent>
</VSTemplate>