自定义脚本模板

两种方法：

1）在unity安装目录下的\Editor\Data\Resources\ScriptTemplates\81-C# Script-NewBehaviourScript.cs.txt即为脚本模板，直接修改成自己需要的即可

2）第二种方法来自宣雨松的《unity3D游戏开发的》第二版，即通过扩展编辑器实现：

第一步：unity工程中新建Editor目录，并放入如下所示脚本：

using System.IO;
using System.Text;
using System.Text.RegularExpressions;
using UnityEditor;
using UnityEditor.ProjectWindowCallback;
using UnityEngine;

public class CustomizedScriptTemplate : MonoBehaviour
{
    //脚本模板所目录
    private const string MY_SCRIPT_DEFAULT = "Assets/Editor/ScriptTemplates/C# Script-NewBehaviourScript.cs.txt";

    [MenuItem("Assets/Create/C# CustomizedScript", false, 80)]
    public static void CreatMyScript()
    {
        string locationPath = GetSelectedPathOrFallback();
        ProjectWindowUtil.StartNameEditingIfProjectWindowExists(0,
        ScriptableObject.CreateInstance<MyDoCreateScriptAsset>(),
        locationPath + "/NewBehaviourScript.cs",
        null, MY_SCRIPT_DEFAULT);
    }

    public static string GetSelectedPathOrFallback()
    {
        string path = "Assets";
        foreach (UnityEngine.Object obj in Selection.GetFiltered(typeof(UnityEngine.Object), SelectionMode.Assets))
        {
            path = AssetDatabase.GetAssetPath(obj);
            if (!string.IsNullOrEmpty(path) && File.Exists(path))
            {
                path = Path.GetDirectoryName(path);
                break;
            }
        }
        return path;
    }
}

class MyDoCreateScriptAsset : EndNameEditAction
{

    public override void Action(int instanceId, string pathName, string resourceFile)
    {
        UnityEngine.Object o = CreateScriptAssetFromTemplate(pathName, resourceFile);
        ProjectWindowUtil.ShowCreatedAsset(o);
    }

    internal static UnityEngine.Object CreateScriptAssetFromTemplate(string pathName, string resourceFile)
    {
        string fullPath = Path.GetFullPath(pathName);
        StreamReader streamReader = new StreamReader(resourceFile);
        string text = streamReader.ReadToEnd();
        streamReader.Close();
        string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(pathName);
        //替换文件名
        text = Regex.Replace(text, "#NAME#", fileNameWithoutExtension);
        bool encoderShouldEmitUTF8Identifier = true;
        bool throwOnInvalidBytes = false;
        UTF8Encoding encoding = new UTF8Encoding(encoderShouldEmitUTF8Identifier, throwOnInvalidBytes);
        bool append = false;
        StreamWriter streamWriter = new StreamWriter(fullPath, append, encoding);
        streamWriter.Write(text);
        streamWriter.Close();
        AssetDatabase.ImportAsset(pathName);
        return AssetDatabase.LoadAssetAtPath(pathName, typeof(UnityEngine.Object));
    }
}

第二步：在第一步的Editor下新建目录ScriptTemplate目录，并放入脚本模板，脚本模板如下所示：

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

public class #NAME# : MonoBehaviour {

    void MyFunction()
    {
        
    }
}

目录结构如下所示：

然后就可以右键Create创建自定义脚本模板了：

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