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last_updated: "2026-08-04T14:24:18.000Z"
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# 数据类型

理解值类型与引用类型的区别，从而更准确地掌握 C# 变量在代码中的工作方式。

了解“值”和“引用”数据类型之间的重要区别，以便更好地了解变量的工作方式。

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：[Delta Time](https://learn.unity.com/tutorial/deltatime?language=zh&projectId=5e3afd88edbc2a2998252c77)

下一教程：[类](https://learn.unity.com/tutorial/lei-l92v5?language=zh&projectId=5e3afd88edbc2a2998252c77)

## 1. 数据类型

[Video](https://connect-mediagw.unity.com/h1/20200206/videos/ec8de555-fe18-4aaf-b9d3-b4ed92ccba03_21_C__DataTypes_in_Unity!___Beginner_Scripting_Tutorial.mp4) ([Transcript (zh_cn)](https://connect-mediagw.unity.com/h1/20200206/c7e106f0-9e99-418a-92ff-4dd1c6493e30_21_C__DataTypes_in_Unity____Beginner_Scripting_Tutorial___Chinese.vtt))

## **DatatypeScript**

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

public class DatatypeScript : MonoBehaviour 
{
    void Start () 
    {
        //值类型变量
        Vector3 pos = transform.position;
        pos = new Vector3(0, 2, 0);
        
        //引用类型变量
        Transform tran = transform;
        tran.position = new Vector3(0, 2, 0);
    }
}
```