C# 通过Linq使用Json.Net查找节点以插入或删除子节点
我对Json数据有这种格式:C# 通过Linq使用Json.Net查找节点以插入或删除子节点,c#,json,linq,json.net,C#,Json,Linq,Json.net,我对Json数据有这种格式: { "Name": "MainMenu", "Text": "", "Guid": "047bf56e75f44c14b56a4b84f3af6dbe", "ParentGuid": "00000000000000000000000000000000" "MenuEntries": [{ "Name": "Home", "Text": "Home", "G
{
"Name": "MainMenu",
"Text": "",
"Guid": "047bf56e75f44c14b56a4b84f3af6dbe",
"ParentGuid": "00000000000000000000000000000000"
"MenuEntries": [{
"Name": "Home",
"Text": "Home",
"Guid": "1e3df5fb3d8e463b8f37e8ccdb291802",
"ParentGuid": "047bf56e75f44c14b56a4b84f3af6dbe",
"MenuEntries": [{
"Name": "About",
"Text": "About",
"Guid": "f476a3444e2943668d86433f4c88374c",
"ParentGuid": "1e3df5fb3d8e463b8f37e8ccdb291802",
"MenuEntries": []
}, {
"Name": "Contact",
"Text": "Contact Us",
"Guid": "51b461ec6abd4aecb95cf662e8e15ae6",
"ParentGuid": "1e3df5fb3d8e463b8f37e8ccdb291802",
"MenuEntries": []
}
]
}, {
"Name": "About",
"Text": "About",
"Guid": "6954d6f747ef4d2dae33de0f0efae9cc",
"ParentGuid": "047bf56e75f44c14b56a4b84f3af6dbe",
"MenuEntries": []
}, {
"Name": "Contact",
"Text": "Contact Us",
"Guid": "634cfb99b70b4395b94061ae4f082aba",
"ParentGuid": "047bf56e75f44c14b56a4b84f3af6dbe",
"MenuEntries": []
}
]
}
如何使用用于筛选的“Guid”字段通过Linq查找特定节点
另外,如何在所选节点中添加子节点(“菜单项”)并删除此节点?您可以创建一个模型:
public class MenuEntry
{
public string Name { get; set; }
public string Text { get; set; }
public string Guid { get; set; }
public string ParentGuid { get; set; }
public List<object> MenuEntries { get; set; }
}
public class RootObject
{
public string Name { get; set; }
public string Text { get; set; }
public string Guid { get; set; }
public string ParentGuid { get; set; }
public List<MenuEntry> MenuEntries { get; set; }
}
到目前为止你试过什么?您是否使用了Json.NetI将字符串解析为JObject,并尝试使用“Where”扩展名,但无法确定如何使用它。我尝试了此路径,但由于某种原因,搜索的节点没有作为引用返回,而是作为该节点的新副本返回。这可能适用于RootObject的子级。我已经尝试使用某种递归函数来检查子节点的菜单项,但是获取的节点不是作为引用返回的,而是新的副本。
string jsonString = System.IO.File.ReadAllText(Server.MapPath("~/json/test.json"));
RootObject Menu = JsonConvert.DeserializeObject<RootObject>(jsonString);
foreach (var item in Menu.MenuEntries)
{
if (item.Guid == "1e3df5fb3d8e463b8f37e8ccdb291802")
{
Console.WriteLine(item.Name);
//=> Home
}
}