Unity_CreateScriptExtension

/* 创建常用文件类型扩展 */
    [MenuItem("Assets/Create/Text", false, 81)]
    public static void CreateText()
    {
        //获取创建代码时的文件路径下的所有对象
        UnityEngine.Object[] arr = Selection.GetFiltered(typeof(UnityEngine.Object), SelectionMode.TopLevel);
        //根据第一个文件获取不前文件夹路径
        string folder = AssetDatabase.GetAssetPath(arr[0]);

        //将焦点定位到某个文件，并进行重命名       
        //id,回调处理，新建文件url,图标，源始文件url   
        ProjectWindowUtil.StartNameEditingIfProjectWindowExists(0, ScriptableObject.CreateInstance<CreateFileAction>(), folder + "/XXX.md", null, "Assets/Editor/felixwee/templates/XXX_template.md");
    }