using System;
using System.Collections.Generic;
using UnityEngine;



/// <summary>
/// 面向APP的辅助类
/// 1. 提供了一个全局的数据存储内存控件 ModifyMemVal GetMemValue
/// </summary>
public class AppHelper
{
    /// <summary>
    /// 内存数据交换空间
    /// </summary>
    private static Dictionary<object, object> mAppCache = new Dictionary<object, object>();

    /// <summary>
    /// 修改指定键值数据
    /// </summary>
    /// <param name="key">键</param>
    /// <param name="val">值</param>
    public static void ModifyMemVal(object key, object val)
    {
        if (mAppCache.ContainsKey(key))
        {
            mAppCache[key] = val;
            return;
        }

        mAppCache.Add(key, val);
    }

    /// <summary>
    /// 获取指定键值存储的内存数据
    /// </summary>
    /// <param name="key">键</param>
    /// <returns>val</returns>
    public static object GetMemValue(object key)
    {
        if (mAppCache.ContainsKey(key))
        {
            return mAppCache[key];
        }

        return null;
    }

    /// <summary>
    /// 删除
    /// </summary>
    /// <param name="key">键值</param>
    public static void DeleteMemVal(object key)
    {
        mAppCache.Remove(key);
    }

    /// <summary>
    /// 清空全局数据缓存
    /// </summary>
    public static void ClearMemVal()
    {
        mAppCache.Clear();
    }
}