本文共 3898 字，大约阅读时间需要 12 分钟。

前言

项目需要替换字体是件非常麻烦的事，需要一个个找Text组件。闲来无事写了个自动替换字体的脚本。也算用作抛砖引玉，利用此脚本的逻辑制作类似的功能，大大节约人力。

用法

将脚本放到Editor目录下，在Project项目面板下右键，选择Create->FontHelper即可创建出FontHelper。

代码

注意，引用的unity.linq是在assetstore下载的叫做LINQ to GameObject的免费插件。

using UnityEngine;using UnityEditor;using System.Linq;using UnityEngine.UI;using Unity.Linq;using UnityEditor.SceneManagement;[CreateAssetMenu(fileName = "FontHelper", menuName = "FontHelper")]public class MyFontHelper : ScriptableObject{       [Space(10)]    public Font font;    [Space(10)]    public bool isDebug;    [Space(10)]    bool isNeedSave;    [CustomEditor(typeof(MyFontHelper))]    public class MyHelper : Editor    {           public override void OnInspectorGUI()        {               var myHelper = target as MyFontHelper;            base.OnInspectorGUI();            EditorGUILayout.Space();            if (GUILayout.Button("查看所有预制体使用到的字体"))            {                   string[] guids = AssetDatabase.FindAssets(string.Format("t:{0}", "GameObject"));                for (int i = 0; i < guids.Length; i++)                {                       //转化路径                    string assetPath = AssetDatabase.GUIDToAssetPath(guids[i]);                    //加载对象                    GameObject root = AssetDatabase.LoadAssetAtPath
   
    (assetPath);                    foreach (var go in root.DescendantsAndSelf()                       .Where(n => n.GetComponent
    
     ()))                    {                           if (myHelper.isDebug)                        {                               Debug.Log("
     
      Font:" + go.GetComponent
      
       ().font.name + "   
       
        Path:" + assetPath + "  
        
         Name:" + root + "/" + go.name); } else { Debug.Log(go.GetComponent
         
          ().font.name); } } } } EditorGUILayout.Space(); if (GUILayout.Button("预制体一键修改")) { int temp = 0; //修改总数量 //找到所有Project下GameObject，Prefab就是GameObject string[] guids = AssetDatabase.FindAssets(string.Format("t:{0}", "GameObject")); //对每个路径下的GameObject进行操作 for (int i = 0; i < guids.Length; i++) { //转化路径 string assetPath = AssetDatabase.GUIDToAssetPath(guids[i]); //加载对象 GameObject root = AssetDatabase.LoadAssetAtPath
          
           (assetPath); foreach (var go in root.DescendantsAndSelf() .Where(n => n.GetComponent
           
            ())) { ++temp; if (myHelper.isDebug) Debug.Log(root.name + "下的" + go.name + "物体上的组件已被修改。"); go.GetComponent
            
             ().font = myHelper.font; myHelper.isNeedSave = true; EditorUtility.SetDirty(go); } Debug.Log(string.Format("预制体修改完成！共修改{0}个Text组件。", temp.ToString())); if (myHelper.isNeedSave) { PrefabUtility.SavePrefabAsset(root); SaveAndRefresh(); myHelper.isNeedSave = false; } } } EditorGUILayout.Space(); if (GUILayout.Button("修改BuildSetting中的所有scene")) { // 遍历build setting中的场景 foreach (UnityEditor.EditorBuildSettingsScene S in UnityEditor.EditorBuildSettings.scenes) { //在built setting中被勾选 if (S.enabled) { //得到场景的名称 string name = S.path; //打开这个场景 UnityEditor.SceneManagement.EditorSceneManager.OpenScene(name); // 遍历场景中的GameObject // 注意FindObjectsOfTypeAll虽然会找到所有对象，但是也会找到场景中没有的东西，而且会出现重复查找的情况，最好是进行筛选一下 foreach (Text obj in Resources.FindObjectsOfTypeAll(typeof(Text))) { if (myHelper.isDebug) Debug.Log("scene name:" + name + " object name:" + obj.name); obj.font = myHelper.font; EditorUtility.SetDirty(obj); } EditorSceneManager.SaveOpenScenes(); SaveAndRefresh(); } }; } EditorGUILayout.Space(); if (GUILayout.Button("修改选中目标及其子物体")) { var os = Selection.objects; foreach (var item in os) { GameObject go = item as GameObject; foreach (var g in go.DescendantsAndSelf().Where(_ => _.GetComponent
             
              ())) { if (myHelper.isDebug) Debug.Log(g.name + "物体上的组件已被修改。"); g.GetComponent
              
               ().font = myHelper.font; EditorUtility.SetDirty(g); } } SaveAndRefresh(); EditorSceneManager.SaveOpenScenes(); } void SaveAndRefresh() { AssetDatabase.SaveAssets(); AssetDatabase.Refresh(); } } }}