AddFileHeadComment.CS

using UnityEditor;  
using UnityEngine;  
using System.IO;  
  
public class AddFileHeadComment : UnityEditor.AssetModificationProcessor  
{  
    /// <summary>  
    /// 此函数在asset被创建完，文件已经生成到磁盘上，但是没有生成.meta文件和import之前被调用  
    /// </summary>  
    /// <param name="newFileMeta">newfilemeta 是由创建文件的path加上.meta组成的</param>  
    public static void OnWillCreateAsset(string newFileMeta)  
    {  
        string newFilePath = newFileMeta.Replace(".meta", "");  
        string fileExt = Path.GetExtension(newFilePath);  
        if (fileExt != ".cs")  
        {  
            return;  
        }  
        //注意，Application.datapath会根据使用平台不同而不同  
        string realPath = Application.dataPath.Replace("Assets", "") + newFilePath;  
        string scriptContent = File.ReadAllText(realPath);  
  
        //这里实现自定义的一些规则  
        scriptContent = scriptContent.Replace("#SCRIPTFULLNAME#", Path.GetFileName(newFilePath));  
        scriptContent = scriptContent.Replace("#COMPANY#", PlayerSettings.companyName);  
        scriptContent = scriptContent.Replace("#AUTHOR#", "Passion");  
        scriptContent = scriptContent.Replace("#VERSION#", "1.0");  
        scriptContent = scriptContent.Replace("#UNITYVERSION#", Application.unityVersion);  
        scriptContent = scriptContent.Replace("#DATE#", System.DateTime.Now.ToString());  
  
        File.WriteAllText(realPath, scriptContent);  
    }  
  
}