GUILayout.TextArea

# [GUILayout](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUILayout.html).TextArea

public static string **TextArea** (string **text**, params GUILayoutOption[] **options**);

public static string **TextArea** (string **text**, int **maxLength**, params GUILayoutOption[] **options**);

public static string **TextArea** (string **text**, [GUIStyle](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUIStyle.html) **style**, params GUILayoutOption[] **options**);

public static string **TextArea** (string **text**, int **maxLength**, [GUIStyle](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUIStyle.html) **style**, params GUILayoutOption[] **options**);

## 参数

| text      | 要编辑的文本。应将该函数的返回值指定给该字符串，如示例中所示。                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| ----------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| maxLength | 字符串的最大长度。如果省略，用户可以键入任意长度的字符串。                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| style     | 要使用的样式。如果省略，则使用当前 [GUISkin](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUISkin.html) 的 `textField` 样式。                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| options   | （可选）一个布局选项列表，用于指定额外的布局属性。此处传递的任何值都将覆盖 `style` 定义的设置。&lt;br&gt; 另请参阅：[GUILayout.Width](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUILayout.Width.html)、[GUILayout.Height](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUILayout.Height.html)、[GUILayout.MinWidth](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUILayout.MinWidth.html)、[GUILayout.MaxWidth](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUILayout.MaxWidth.html)、[GUILayout.MinHeight](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUILayout.MinHeight.html)、 [GUILayout.MaxHeight](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUILayout.MaxHeight.html)、[GUILayout.ExpandWidth](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUILayout.ExpandWidth.html)、[GUILayout.ExpandHeight](https://docs.unity3d.com/cn/2019.4/ScriptReference/GUILayout.ExpandHeight.html)。 |

## 返回

**string** 编辑后的字符串。

## 描述

创建一个可供用户编辑字符串的多行文本字段。

![](/media/202206/25_1654791221.png)
\ *游戏视图中的文本区域。*

```
using UnityEngine;

public class ExampleScript : MonoBehaviour
{
    string stringToEdit = "Hello World\nI've got 2 lines...";

void OnGUI()
    {
        // Make a multiline text area that modifies stringToEdit.
        stringToEdit = GUILayout.TextArea(stringToEdit, 200);
    }
}
```