获取嵌套字典的嵌套值总和的C#

using System;
using System.Collections.Generic;

public class Program
{
    public static int GetNestedDictValueSum(Dictionary<string, object> dict)
    {
        int sum = 0;
        foreach (var item in dict)
        {
            if (item.Value is int)
            {
                sum += (int)item.Value;
            }
            else if (item.Value is Dictionary<string, object>)
            {
                sum += GetNestedDictValueSum((Dictionary<string, object>)item.Value);
            }
        }
        return sum;
    }

    public static void Main(string[] args)
    {
        // 嵌套字典示例
        var nestedDict = new Dictionary<string, object>
        {
            { "key1", 1 },
            { "key2", new Dictionary<string, object>
                {
                    { "key3", 2 },
                    { "key4", new Dictionary<string, object>
                        {
                            { "key5", 3 },
                            { "key6", 4 }
                        }
                    }
                }
            },
            { "key7", 5 }
        };

        // 计算嵌套值总和
        int sum = GetNestedDictValueSum(nestedDict);
        Console.WriteLine("嵌套字典的嵌套值总和为：" + sum);
    }
}