CustomGUI

public enum E_Style_Switch
{
    On,
    Off,
}
public class baseControl : MonoBehaviour
{
    //位置信息
    public basePos pos;

    //内容信息
    public GUIContent content;

    //自定义样式
    public GUIStyle style;
    public E_Style_Switch styleSwitch = E_Style_Switch.Off;

    private void OnGUI()
    {
        switch (styleSwitch)
        {
            case E_Style_Switch.On:
                StyleOn();
                break;
            case E_Style_Switch.Off:
                StyleOff();
                break;
        }
    }

    protected virtual void StyleOn()
    {

    }
    protected virtual void StyleOff()
    {

    }
}

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[ExecuteAlways]
public class root : MonoBehaviour
{
    private baseControl[] allControls;
    private void Start()
    {
        allControls = GetComponentsInChildren<baseControl>();
    }
    private void OnGUI()
    {
        //得到所有子对象上的父类脚本
        //在编辑状态下才一直执行
        if (!Application.isPlaying)
        {
            allControls = GetComponentsInChildren<baseControl>();
        }
        for (int i = 0; i < allControls.Length; i++)
        {
            allControls[i].DrawGUI();
        }
    }
}

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