代码示例：

设置界面

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

public class SettingPanel : BasePanel<SettingPanel>
{
    public UIButton btnClose;

    public UISlider sliderMusic;
    public UISlider sliderSound;

    public UIToggle togMusic;
    public UIToggle togSound;

    protected override void Init()
    {
        btnClose.onClick.Add(new EventDelegate(() =>
        {
            //隐藏自己
            HideMe();
        }));

        sliderMusic.onChange.Add(new EventDelegate(() =>
        {
            //改变音量大小，并且改变数据

        }));

        sliderSound.onChange.Add(new EventDelegate(() =>
        {
            //改变音效大小，并且改变数据

        }));

        togMusic.onChange.Add(new EventDelegate(() =>
        {
            //背景音乐开关

        }));

        togSound.onChange.Add(new EventDelegate(() =>
        {
            //背景音效开关

        }));

        HideMe();
    }

    public override void ShowMe()
    {
        base.ShowMe();

        //显示自己时候，更新面板的内容数据

    }

    public override void HideMe()
    {
        base.HideMe();

        //隐藏自己的时候，需要保存这次的数据

    }
}

 开始界面

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

public class BeginPanel : BasePanel<BeginPanel>
{
    public UIButton btnBegin;
    public UIButton btnRank;
    public UIButton btnSetting;
    public UIButton btnQuit;    
    protected override void Init()
    {
        btnBegin.onClick.Add(new EventDelegate ( () => 
        {
            //显示武器面板
            print("选角");
            //隐藏自己
            HideMe();
        }));

        btnRank.onClick.Add(new EventDelegate(() =>
        {
            //显示排行榜
            print("排行榜");
        }));

        btnSetting.onClick.Add(new EventDelegate(() =>
        {
            //显示设置面板
            SettingPanel.Instance.ShowMe();
            print("设置");
        }));

        btnQuit.onClick.Add(new EventDelegate(() =>
        {
            //退出游戏
            print("退出");
            Application.Quit();
        }));

    }
}