解决Unity项目中UI脚本丢失的问题

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));
}
}

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEditor;
public class resetMat : MonoBehaviour//直接将脚本复制到asset文件夹中即可在工具栏发现该工具
{
    public GameObject ob;
    [MenuItem("Gq_Tools/修复材质球shader丢失")]
    static void StartRun1()
    {
        var objs = Selection.objects;
        foreach (var obj in objs)
        {
            var go = obj as GameObject;
            var rs = go.GetComponentsInChildren<Renderer>();
            foreach (var r in rs)
            {
               Material [] shaderArr = new Material[r.materials.Length];
                shaderArr = r.materials;
                print("    DDDDD" + shaderArr.Length);
                for (int i=0;i<shaderArr.Length;i++)
                {
                    shaderArr[i].shader=Shader.Find("HDRP/Lit");
                }
            }
        }
    }
    [MenuItem("Gq_Tools/将选中物体都赋予同一材质球")]
    static void StartRun2()
    {
        Material newmat = new Material(Shader.Find("HDRP/Lit"));
        newmat.color = new Color(255, 228, 0, 1);
        var objs = Selection.objects;
        foreach (var obj in objs)//for每个选中的物体
        {
            var go = obj as GameObject;
            var rs = go.GetComponentsInChildren<Renderer>();//连带子物体
            foreach (var r in rs)//每个物体及子物体的renderer
            {
                Material[] matArr = new Material[r.materials.Length];
                matArr = r.materials;
                r.material = newmat;
            }
        }
    }
    [MenuItem("Gq_Tools/将所有丢失材质都强制赋予一个共用的材质")]
    static void StartRun3()
    {    Material newmat = new Material(Shader.Find("HDRP/Lit"));
        var objs = Selection.objects;
        foreach (var obj in objs)
        {
            var go = obj as GameObject;
            var rs = go.GetComponentsInChildren<Renderer>();
            foreach (var r in rs)//每个物体及子物体的renderer组件
            {
               // Material[] matArr = new Material[r.sharedMaterials.Length];
               // matArr = r.materials;
                if (r.sharedMaterial==null)//如果有丢失材质球的坑
                {
                    print("丢失材质");
                    
                    r.sharedMaterial = newmat;
                }
                else { print("没有丢失"); }
            }
        }
    }
}