---
title: "Awake 和 Start"
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difficulty: beginner
duration_minutes: 5
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last_updated: "2026-08-04T14:24:13.000Z"
---

# Awake 和 Start

学习在 Unity 脚本中正确使用 Awake 和 Start 来初始化行为。

如何使用 Unity 的两个初始化函数 Awake 和 Start。

本教程包含在“[初级编程](https://learn.unity.com/project/chu-ji-bian-cheng?language=zh)”项目中。

上一教程：[作用域和访问修饰符](https://learn.unity.com/tutorial/zuo-yong-yu-he-fang-wen-xiu-shi-fu?language=zh&projectId=5e3afd88edbc2a2998252c77)

下一教程：[Update 和 FixedUpdate](https://learn.unity.com/tutorial/update-he-fixedupdate?language=zh&projectId=5e3afd88edbc2a2998252c77)

## 1. Awake 和 Start

[Video](https://connect-mediagw.unity.com/h1/20200206/videos/57815a44-23b1-46fe-a036-162b3671c604_07_C__Awake_and_Start_in_Unity!___Beginner_Scripting_Tutorial.mp4) ([Transcript (zh_cn)](https://connect-mediagw.unity.com/h1/20200206/5ada2ce3-d550-455f-88f0-b3471a165be7_07_C__Awake_and_Start_in_Unity____Beginner_Scripting_Tutorial___Chinese.vtt))

```csharp
using UnityEngine;
using System.Collections;

public class AwakeAndStart : MonoBehaviour
{
    void Awake ()
    {
        Debug.Log("Awake called.");
    }
    
    
    void Start ()
    {
        Debug.Log("Start called.");
    }
}
```