在Unity开发中有许许多多的UI界面，包含着不同的组件，比如Button、Image等，我们需要按正确的路径找到它们并持有它们，这个步骤在界面十分庞大的时候，会十分繁琐易错。本文介绍的自动生成代码工具就是为了解决这一困境，可以自动获取那些我们想要的组件，一键生成，希望对你有所帮助。

生成代码展示

设计思路

我们要使得对象自动生成代码，无非就是分三步，第一步找到这个对象，第二步记录这个对象身上所有需要生成代码的组件，第三步创建一份文件写入我们记录好的内容。

操作流程

制作好我们需要的预制体界面，要获取组件的对象用T_来开头
右键界面根节点，点击SpawnUICode(生成UI模板)，会弹出操作窗口
点击窗口的选择脚本要生成的模块，会弹出我们预设的模块下拉菜单，选择我们对应的模块，即可将脚本生成在选中的模块下。

源码

弹出窗口代码


class GeneratePathSelectWindow : EditorWindow
{private string[] path = new string[]{"Common","Store","Role","Host",};private static GameObject selectGo;public void ShowWindow(GameObject go){selectGo = go;EditorWindow.GetWindow(typeof(GeneratePathSelectWindow));}void OnGUI(){if (GUILayout.Button("选择脚本要生成的模块")){ShowGenericMenu();}}private void ShowGenericMenu(){GenericMenu menu = new GenericMenu(); //初始化GenericMenufor (int i = 0; i < path.Length; i++){menu.AddItem(new GUIContent(path[i]), false, SelectPath, path[i]); //向菜单中添加菜单项}menu.ShowAsContext(); //显示菜单}void SelectPath(object floderName){string t = floderName.ToString();Debug.Log("选择路径:" + floderName);UICodeSpawner.SpawnUICode(selectGo, t);//生成脚本代码}
}

内容写入代码

  private static void SpawnPanelCode(GameObject gameObject){Path2WidgetCachedDict?.Clear();Path2WidgetCachedDict = new Dictionary<string, List<Component>>();FindAllWidgets(gameObject.transform, "");SpawnCodeForPanel(gameObject);AssetDatabase.Refresh();}private static void SpawnCodeForPanel(GameObject gameObject){var strPanelName = gameObject.name;var strFilePath = Application.dataPath + defaultUIPath + selectFolderName + "/UIBehaviour/" + strPanelName;if (!Directory.Exists(strFilePath)){Debug.LogError("请先（SpawnerUICode）生成UI代码模板");Directory.CreateDirectory(strFilePath);return;}SpawnCodeForPanelComponentBehaviour(gameObject);}private static void SpawnCodeForPanelComponentBehaviour(GameObject gameObject){if (null == gameObject){return;}string strDlgName = gameObject.name;string strDlgComponentName = gameObject.name + "View";string strFilePath = Application.dataPath + defaultUIPath + selectFolderName + "/UIBehaviour/" + strDlgName;if (!Directory.Exists(strFilePath)){Directory.CreateDirectory(strFilePath);}strFilePath = Application.dataPath + defaultUIPath + selectFolderName + "/UIBehaviour/" + strDlgName +"/" + strDlgComponentName + ".cs";StreamWriter sw = new StreamWriter(strFilePath, false, Encoding.UTF8);StringBuilder strBuilder = new StringBuilder();strBuilder.AppendLine("using UnityEngine;");strBuilder.AppendLine("using UnityEngine.UI;");strBuilder.AppendLine();strBuilder.AppendLine("namespace AutoBuildCode");strBuilder.AppendLine("{");strBuilder.AppendLine("\t/// <summary>");strBuilder.AppendLine("\t/// 此文件为脚本自动生成并且覆盖；");strBuilder.AppendLine("\t/// 非必要请不要在此作修改");strBuilder.AppendLine("\t/// </summary>");strBuilder.AppendFormat("\tpublic class {0} : MonoBehaviour \r\n", strDlgComponentName).AppendLine("\t{");strBuilder.AppendFormat("\t\tprivate Transform uiTransform = null;\r\n");CreateDeclareCode(ref strBuilder);strBuilder.AppendLine();CreateWidgetBindCode(ref strBuilder, gameObject.transform);CreateDestroyWidgetCode(ref strBuilder);strBuilder.AppendLine("\t}");strBuilder.AppendLine("}");sw.Write(strBuilder);sw.Flush();sw.Close();}private static void CreateDestroyWidgetCode(ref StringBuilder strBuilder){strBuilder.AppendFormat("\t\tpublic void DestroyWidget()");strBuilder.AppendLine("\n\t\t{");CreateDlgWidgetDisposeCode(ref strBuilder);strBuilder.AppendFormat("\t\t\tthis.uiTransform = null;\r\n");strBuilder.AppendLine("\t\t}\n");}private static void CreateDlgWidgetDisposeCode(ref StringBuilder strBuilder, bool isSelf = false){string pointStr = isSelf ? "self" : "this";foreach (KeyValuePair<string,List<Component>> pair in Path2WidgetCachedDict){foreach (var info in pair.Value){Component widget = info;string strClassType = widget.GetType().ToString();string widgetName = widget.name + strClassType.Split('.').ToList().Last();strBuilder.AppendFormat("\t\t {0}.m_{1} = null;\r\n", pointStr, widgetName);}}}private static void CreateWidgetBindCode(ref StringBuilder strBuilder, Transform transRoot){foreach (KeyValuePair<string, List<Component>> pair in Path2WidgetCachedDict){foreach (var info in pair.Value){Component widget = info;string strPath = GetWidgetPath(widget.transform, transRoot);string strClassType = widget.GetType().ToString();string strInterfaceType = strClassType;string widgetName = widget.name + strClassType.Split('.').ToList().Last();strBuilder.AppendFormat("       public {0} {1}\r\n", strInterfaceType, widgetName);strBuilder.AppendLine("     {");strBuilder.AppendLine("            get");strBuilder.AppendLine("             {");strBuilder.AppendFormat("                 if( this.m_{0} == null )\n", widgetName);strBuilder.AppendLine("                {");strBuilder.AppendFormat("                 this.m_{0} = transform.Find(\"{1}\").GetComponent<{2}>();\r\n",widgetName, strPath, strInterfaceType);strBuilder.AppendLine("                }");strBuilder.AppendFormat("                 return this.m_{0};\n", widgetName);strBuilder.AppendLine("            }");strBuilder.AppendLine("       }\n");}}}static string GetWidgetPath(Transform obj, Transform root){string path = obj.name;while (obj.parent != null && obj.parent != root){obj = obj.transform.parent;path = obj.name + "/" + path;}return path;}private static void CreateDeclareCode(ref StringBuilder strBuilder){foreach (KeyValuePair<string, List<Component>> pair in Path2WidgetCachedDict){foreach (var info in pair.Value){Component widget = info;string strClassType = widget.GetType().ToString();string widgetName = widget.name + strClassType.Split('.').ToList().Last();strBuilder.AppendFormat("\t\tprivate {0} m_{1}=null;\r\n", strClassType, widgetName);}}}/// <summary>/// 把所有的组件配置都装好了，装在了Path2WidgetCachedDict/// </summary>/// <param name="trans"></param>/// <param name="strPath"></param>private static void FindAllWidgets(Transform trans, string strPath){if (null == trans){return;}for (int nIndex = 0; nIndex < trans.childCount; ++nIndex) //只算儿子，不算孙子{Transform child = trans.GetChild(nIndex);string strTemp = strPath + "/" + child.name;bool isSubUI = child.name.StartsWith(CommonUIPrefix);if (child.name.StartsWith(UIWidgetPrefix)){foreach (var uiComponent in WidgetInterfaceList){Component component = child.GetComponent(uiComponent);if (null == component){continue;}if (Path2WidgetCachedDict.ContainsKey(child.name)){Path2WidgetCachedDict[child.name].Add(component);continue;}List<Component> componentsList = new List<Component>();componentsList.Add(component);Path2WidgetCachedDict.Add(child.name, componentsList);}}if (isSubUI){Debug.Log($"遇到子UI，{child.name},不生成子UI项代码");continue;}FindAllWidgets(child, strTemp);}}static UICodeSpawner(){WidgetInterfaceList = new List<string>();WidgetInterfaceList.Add("Button");WidgetInterfaceList.Add("Text");WidgetInterfaceList.Add("TMP_Text");WidgetInterfaceList.Add("InputField");WidgetInterfaceList.Add("TMP_InputField");WidgetInterfaceList.Add("Dropdown");WidgetInterfaceList.Add("TMP_Dropdown");WidgetInterfaceList.Add("Input");WidgetInterfaceList.Add("Scrollbar");WidgetInterfaceList.Add("ToggleGroup");WidgetInterfaceList.Add("Toggle");WidgetInterfaceList.Add("Slider");WidgetInterfaceList.Add("ScrollRect");WidgetInterfaceList.Add("Image");WidgetInterfaceList.Add("RawImage");WidgetInterfaceList.Add("Canvas");WidgetInterfaceList.Add("CanvasGroup");}

工程项目

链接：https://pan.baidu.com/s/1yToMdgKa1AxsbfWrqu8YMA
提取码：vabd

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Unity之自动生成预制体脚本

生成代码展示

设计思路

操作流程

源码

工程项目

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