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【Unity】Unity中将字典序列化

news 来源：原创 2025/5/20 11:51:00

Unity中将字典序列化，在预制体上能够看到字典的内容，也可以直接在预制体上拖拽给字典赋值

直接上代码

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;public class SerializableDic
{
}[Serializable]
public class SerializableDic<TKey, TValue> :SerializableDic,ISerializationCallbackReceiver,IDictionary<TKey, TValue>{[SerializeField] private List<SerializableKeyValuePair> list = new List<SerializableKeyValuePair>();[Serializable]private struct SerializableKeyValuePair{public TKey Key;public TValue Value;public SerializableKeyValuePair(TKey key, TValue value){Key = key;Value = value;}}#region key indexprivate Dictionary<TKey, int> KeyPositions{get { return _keyPositions.Value; }}private Lazy<Dictionary<TKey, int>> _keyPositions;public SerializableDic(){_keyPositions = new Lazy<Dictionary<TKey, int>>(MakeKeyPositions);}#endregionprivate Dictionary<TKey, int> MakeKeyPositions(){Dictionary<TKey, int> dictionary = new Dictionary<TKey, int>(list.Count);for (var i = 0; i < list.Count; i++){dictionary[list[i].Key] = i;}return dictionary;}public void OnBeforeSerialize(){}public void OnAfterDeserialize(){_keyPositions = new Lazy<Dictionary<TKey, int>>(MakeKeyPositions);}#region IDictionary<TKey, TValue>/// <summary>///  array[index]   dic[key]/// </summary>/// <param name="key"></param>public TValue this[TKey key]{get => list[KeyPositions[key]].Value;set{SerializableKeyValuePair pair = new SerializableKeyValuePair(key, value);if (KeyPositions.ContainsKey(key)){list[KeyPositions[key]] = pair;}else{KeyPositions[key] = list.Count;list.Add(pair);}}}public ICollection<TKey> Keys{get { return list.Select(tuple => tuple.Key).ToArray(); }}public ICollection<TValue> Values{get { return list.Select(tuple => tuple.Value).ToArray(); }}public void Add(TKey key, TValue value){if (KeyPositions.ContainsKey(key))throw new ArgumentException("An element with the same key already exists in the dictionary.");else{KeyPositions[key] = list.Count;list.Add(new SerializableKeyValuePair(key, value));}}public bool ContainsKey(TKey key){return KeyPositions.ContainsKey(key);}public bool Remove(TKey key){if (KeyPositions.TryGetValue(key, out var index)){KeyPositions.Remove(key);list.RemoveAt(index);for (var i = index; i < list.Count; i++)KeyPositions[list[i].Key] = i;return true;}elsereturn false;}public bool TryGetValue(TKey key, out TValue value){if (KeyPositions.TryGetValue(key, out var index)){value = list[index].Value;return true;}else{value = default;return false;}}#endregion#region ICollection <KeyValuePair<TKey, TValue>>public int Count{get { return list.Count; }}public bool IsReadOnly{get { return false; }}public void Add(KeyValuePair<TKey, TValue> kvp){Add(kvp.Key, kvp.Value);}public void Clear(){list.Clear();}public bool Contains(KeyValuePair<TKey, TValue> kvp){return KeyPositions.ContainsKey(kvp.Key);}public void CopyTo(KeyValuePair<TKey, TValue>[] array, int arrayIndex){var numKeys = list.Count;if (array.Length - arrayIndex < numKeys)throw new ArgumentException("arrayIndex");for (var i = 0; i < numKeys; i++, arrayIndex++){var entry = list[i];array[arrayIndex] = new KeyValuePair<TKey, TValue>(entry.Key, entry.Value);}}public bool Remove(KeyValuePair<TKey, TValue> kvp){return Remove(kvp.Key);}#endregion#region IEnumerable <KeyValuePair<TKey, TValue>>public IEnumerator<KeyValuePair<TKey, TValue>> GetEnumerator(){return list.Select(ToKeyValuePair).GetEnumerator();}static KeyValuePair<TKey, TValue> ToKeyValuePair(SerializableKeyValuePair skvp){return new KeyValuePair<TKey, TValue>(skvp.Key, skvp.Value);}IEnumerator IEnumerable.GetEnumerator(){return GetEnumerator();}#endregion
}