C# 中的双向双向字典

C# 中的双向/双向字典

csharp
using BiDictionary;

csharp
BiDictionary biDictionary = new BiDictionary();
// 添加键值对
biDictionary.Add("apple", 1);
biDictionary.Add("banana", 2);
biDictionary.Add("orange", 3);
// 通过键查找值
int value = biDictionary["apple"];
Console.WriteLine("键为 'apple' 的值为：" + value);
// 通过值查找键
string key = biDictionary.GetKeyByValue(2);
Console.WriteLine("值为 2 的键为：" + key);

csharp
using System;
using System.Collections.Generic;
public class BidirectionalDictionary
{
    private Dictionary _keyValueDict;
    private Dictionary _valueKeyDict;
    public BidirectionalDictionary()
    {
        _keyValueDict = new Dictionary();
        _valueKeyDict = new Dictionary();
    }
    public void Add(TKey key, TValue value)
    {
        _keyValueDict.Add(key, value);
        _valueKeyDict.Add(value, key);
    }
    public TValue GetValueByKey(TKey key)
    {
        return _keyValueDict[key];
    }
    public TKey GetKeyByValue(TValue value)
    {
        return _valueKeyDict[value];
    }
}
public class Program
{
    public static void Main(string[] args)
    {
        BidirectionalDictionary biDictionary = new BidirectionalDictionary();
        // 添加键值对
        biDictionary.Add("apple", 1);
        biDictionary.Add("banana", 2);
        biDictionary.Add("orange", 3);
        // 通过键查找值
        int value = biDictionary.GetValueByKey("apple");
        Console.WriteLine("键为 'apple' 的值为：" + value);
        // 通过值查找键
        string key = biDictionary.GetKeyByValue(2);
        Console.WriteLine("值为 2 的键为：" + key);
    }
}