[英]Can I build ASP.NET Core web application using Microsoft Dotnet CLI?
[英]Is that possible to build an ASP.Net Core web application using Roslyn?
我试图将创建 ASP.NetCore Web 应用程序所需的所有代码放在一个文本文件中,然后在 ASP.Net Core 3.1 应用程序中读取它并使用 Roslyn 编译它并将其保存为 dll 文件。 我尝试了很多。 我可以为控制台应用程序执行此操作,但不能为 Web 应用程序执行此操作。 这就是我所做的
public void Load(string id, string code, IEnumerable<string> allowedAssemblyNames, IEnumerable<Type> allowedTypes, string path)
{
try
{
var _references = new List<MetadataReference>();
foreach (var assemblyName in allowedAssemblyNames)
{
_references.Add(MetadataReference.CreateFromFile(RuntimeEnvironment.GetRuntimeDirectory() + assemblyName + ".dll"));
}
foreach (var type in allowedTypes)
{
_references.Add(MetadataReference.CreateFromFile(type.Assembly.Location));
}
_references.Add(MetadataReference.CreateFromFile(Assembly.Load("netstandard").Location));
var options = new CSharpCompilationOptions(
OutputKind.DynamicallyLinkedLibrary,
reportSuppressedDiagnostics: true,
optimizationLevel: OptimizationLevel.Release,
generalDiagnosticOption: ReportDiagnostic.Error,
allowUnsafe: false);
var syntaxTree = CSharpSyntaxTree.ParseText(code, options: new CSharpParseOptions(LanguageVersion.Latest, kind: SourceCodeKind.Regular));
var compilation = CSharpCompilation.Create(id, new[] { syntaxTree }, _references, options);
assemblyLoadContext = new AssemblyLoadContext(id, true);
using (var ms = new MemoryStream())
{
var result = compilation.Emit(ms);
if (result.Success)
{
ms.Seek(0, SeekOrigin.Begin);
bytes = ms.ToArray();
File.WriteAllBytes(path, bytes);
ms.Seek(0, SeekOrigin.Begin);
assembly = assemblyLoadContext.LoadFromStream(ms);
}
}
}
catch (Exception ex)
{
throw;
}
}
这可能吗?
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