/*
 * 游戏开发(Unity&C#)总结34 - Func委托作为方法参数
 * 委托作为方法的参数，解释可以使程序更具有解耦性
 * 
 * 
 * 
 * **/

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

public class Demo : MonoBehaviour
{

    void Start()
    {
        print("TraditionMethod() = "+ TraditionMethod());

        //funcDelegate += DelegateSubMehod;
        print("DelegateMehod(DelegateSubMehod) = " + DelegateMehod(DelegateSubMehod));
    }

    public int TraditionMethod()
    {
        return TraditionSubMethod("123");
    }
    /// <summary>
    /// 假设这个方法名字修改，调用它的其他地方也需要修改。
    /// </summary>
    /// <param name="str"></param>
    /// <returns></returns>
    public int TraditionSubMethod(string str)
    {
        int intData = 0;
        int.TryParse(str, out intData);
        return intData;
    }
    
    public int DelegateMehod(Func<string, int> funcDelegate)
    {
        return funcDelegate("456");
    }
    /// <summary>
    /// 假设这个方法名字修改，调用它的其他地方不需要修改。所以更具有解耦性
    /// </summary>
    /// <param name="str"></param>
    /// <returns></returns>
    public int DelegateSubMehod(string str)
    {
        int intData = 0;
        int.TryParse(str, out intData);
        //200
        return intData;
    }

}

demo下载

https://gitlab.com/demofile1/uploadfile/-/tree/main