定制Unity项目中文件的打开方式

using UnityEngine;
using UnityEditor;
using UnityEditor.Callbacks;
public class OpenAssetHandler
{
    [OnOpenAssetAttribute]
    public static bool OpenTextAsset(int instanceID, int line)
    {
        if (EditorUtility.InstanceIDToObject(instanceID) is TextAsset)
        {
           string assetPath = AssetDatabase.GetAssetPath(instanceID);
           Debug.Log(assetPath);
           System.Diagnostics.Process.Start(Application.dataPath + "/../" +assetPath);
           return true;
        }
        return false;
    }
}