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

public class Test7 : MonoBehaviour
{

    public GameObject go;
    // Start is called before the first frame update
    void Start()
    {
        go.Show()
            .Hide()
            .Name("aa");


    }

    // Update is called once per frame
 

    void Update()
    {
        
    }
}


public static class GameObjectExtension
{
    public static GameObject Show(this GameObject selfObject)
    {
        selfObject.SetActive(true);
        return selfObject;
    }

    public static GameObject Hide(this GameObject selfObject)
    {
        selfObject.SetActive(
 
false);
        return selfObject;
    }

    public static GameObject Name(this GameObject selfObject, string str)
    {
        selfObject.name = str;
        return selfObject;
    }

}

擴充套件方法被定義為靜態方法，但它們是通過例項方法語法進行呼叫的。它們的第一個引數指定該方法作用於哪個型別，並且該引數以 this 修飾符為字首。僅當您使用 using 指令將名稱空間顯式匯入到原始碼中之後，擴充套件方法才位於範圍中。