//此指令碼是解決UI指令碼丟失
//步驟：將此指令碼放到專案下的Edit資料夾下，如果沒有，請自行建立
//步驟：點選視窗的Asstes → Reimport ui assemblies

using UnityEngine;
using System.Collections.Generic;
using UnityEditor;
using System.Text.RegularExpressions;
using System.IO;
using System.Text;
public class ReimportUnityEngineUI
{
[MenuItem(“Assets/Reimport UI Assemblies”, false, 100)]
public static void ReimportUI()
{
#if UNITY_4_6
var path = EditorApplication.applicationContentsPath + “/UnityExtensions/Unity/GUISystem/{0}/{1}”;
var version = Regex.Match( Application.unityVersion,@”^[0-9]+\.[0-9]+\.[0-9]+”).Value;
#else
var path = EditorApplication.applicationContentsPath + “/UnityExtensions/Unity/GUISystem/{1}”;
var version = string.Empty;
#endif
string engineDll = string.Format(path, version, “UnityEngine.UI.dll”);
string editorDll = string.Format(path, version, “Editor/UnityEditor.UI.dll”);
ReimportDll(engineDll);
ReimportDll(editorDll);
}
static void ReimportDll(string path)
{
if (File.Exists(path))
AssetDatabase.ImportAsset(path, ImportAssetOptions.ForceUpdate | ImportAssetOptions.DontDownloadFromCacheServer);
else
Debug.LogError(string.Format(“DLL not found {0}”, path));
}
}
 

參考資料：https://www.yxkfw.com/thread-57897-1-1.html