private static async Task<string> ReaderLoacalMetadataAsync(){    string filePath = $"{Directory.GetCurrentDirectory()}\\StaticFiles\\metadata.json";
    if (!File.Exists(filePath))        return string.Empty;
    using var streamReader = new StreamReader(filePath, Encoding.UTF8);    return await streamReader.ReadToEndAsync();}

<ItemGroup>    <EmbeddedResource Include="StaticFiles\metadata.json" /></ItemGroup>

//using System.Reflection;
/// <summary>/// 读取本地文件资源/// </summary>/// <param name="folderName">目录名称</param>/// <param name="fileName">文件名（不能包含“.”）</param>/// <returns></returns>
private static async Task<string> ReadLoacalResourceAsync(string folderName, string fileName){    using var stream = ReadResource(folderName, fileName);
    if (stream == null)        return string.Empty;
    using var streamReader = new StreamReader(stream);    return await streamReader.ReadToEndAsync();}

//目录为空 则直接拼文件名//注：此处文件名不能包含“.”，否则Stream会返回nullprivate static Stream ReadResource(string folderName, string fileName){    var currentAssembly = Assembly.GetCallingAssembly();    //路径区分大小写    return currentAssembly.GetManifestResourceStream($"{currentAssembly.GetName().Name}.{folderName}.{fileName}");}

{  "uri": "metadata://bds",  "type": "app",  "label": "基础数据中心",  "children": [    {      "id": "first",      "uri": "metadata://bds/first",      "type": "module",      "label": "首营基础数据",      "children": [        {          "id": "product-browse",          "uri": "metadata://bds/first/product-browse",          "type": "route",          "path": "/product",          "label": "产品列表"        },        {          "id": "product-browse",          "uri": "metadata://bds/first/product-browse",          "type": "function",          "label": "浏览产品"        },        {          "id": "product-browse-all",          "uri": "metadata://bds/first/product-browse-all",          "type": "function",          "label": "浏览全局产品"        },        {          "id": "product-add",          "uri": "metadata://bds/first/product-add",          "type": "function",          "label": "添加产品"        },        {          "id": "product-delete",          "uri": "metadata://bds/first/product-delete",          "type": "function",          "label": "删除产品"        }      ]    }  ]}

/// <summary>    /// 能力中心元数据节点    /// </summary>    public class MetadataNode    {        [JsonPropertyName("id")]        public string Id { get; set; }
        [JsonPropertyName("uri")]        public string URI { get; set; }
        [JsonPropertyName("type")]        public string Type { get; set; }
        [JsonPropertyName("label")]        public string Label { get; set; }            [JsonPropertyName("path")]        public string Path { get; set; }
        [JsonPropertyName("children")]        public List<MetadataNode> Children { get; set; } = new List<MetadataNode>();    }

//using System.Text.Json;
public async Task<string> GetMetadataAsync(){
    var metadataTree = new MetadataNode()    {        Label = "根目录",        Type = "root"    };
    var localMetadata = await ReadLoacalMetadata("StaticFiles", "metadata.json");
    if (localMetadata != string.Empty)    {        var metadataNode = JsonSerializer.Deserialize<MetadataNode>(localMetadata) ?? new();        metadataTree.Children.Add(metadataNode);    }
    //TODO:通过Dapr调用获取其他能力中心的元数据
    return JsonSerializer.Serialize(metadataTree);}