如何从文件夹结构创建 JSON 对象

Question

我的文件夹结构如下：

 - directory1
     - subdirectory1
        - sub-subdirectory1
        - sub-subdirectory2
     - subdirectory2
     - subdirectory3
 - directory2
     - subdirectory1
        - sub-subdirectory1
        - sub-subdirectory2
        - sub-subdirectory3
    - sub-subdirectory2
     - subdirectory2
     - subdirectory3

我想在 C# 中自动获取文件夹结构，以便填充级联下拉列表，然后使用 JavaScript 将结构解析到下拉列表 HTML。这是我要根据我的目录创建的对象：

{
  "directory1": {
    "subdirectory1": ["sub-subdirectory1", "sub-subdirectory2", "sub-subdirectory3"],
    "subdirectory2": ["sub-subdirectory1", "sub-subdirectory2", "sub-subdirectory3"],
    "subdirectory3": ["sub-subdirectory1", "sub-subdirectory2", "sub-subdirectory3"]    
  },
  "directory2": {
    "subdirectory1": ["sub-subdirectory1", "sub-subdirectory2", "sub-subdirectory3"] ,
    "subdirectory2": ["sub-subdirectory1", "sub-subdirectory2", "sub-subdirectory3"] 
  }

没有硬编码，如何从 C# 中的目录结构创建这个嵌套的 json 对象

Answer 1

如果您只对目录感兴趣，我会像这样序列化一个模型：

public class MyDirModel
{
    public string Name {get; set;}
    public List<MyDirModel> SubDirectories {get; set;} = new List<MyDirModel>();
}

这不会产生完全符合您的 JSON，但是 - 我认为 - 更好，因为您不会被限制在 3 层深度。

更具体地说，这可能看起来像：

[
  {
    "name": "directory1",
    "subdirectories": [
    { "name": "subdirectory1",
      "subdirectories": [
        { "name": "sub-subdirectory1", "subdirectories": [] },
        { "name": "sub-subdirectory2", "subdirectories": [] },
        { "name": "sub-subdirectory3", "subdirectories": [] }
       ]},
    { "name": "subdirectory2",
      "subdirectories": []},
    { "name": "subdirectory3",
      "subdirectories": []}  
    ]
  },
  { 
    name: "directory2",
    subdirectories: [ /* shortened for brevity */  ]
  }
]

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