通过名字找物体工具

using System.Collections.Generic;
using UnityEditor;
using UnityEngine;
/// <summary>
/// 寻找子物体和其组件
/// </summary>
public static class FindChildAndComponent 
{
    /// <summary>
    /// 查找指定父物体的指定名称的子物体
    /// </summary>
    /// <param name="parentTransform">父物体</param>
    /// <param name="childName">子物体名称</param>
    /// <returns>子物体</returns>
    public static UnityEngine.GameObject FindChild(Transform parentTransform, string childName)
    {
        Transform child = parentTransform.Find(childName);
        if (child) return child.gameObject;
        UnityEngine.GameObject go = null;
        for (int i = 0; i < parentTransform.childCount; i++)
        {
            child = parentTransform.GetChild(i);
            go = FindChild(child, childName);
            if (go) return go;
        }
        return null;
    }
    /// <summary>
    /// 查找指定父物体的指定名称的子物体的指定组件
    /// </summary>
    /// <typeparam name="T">组件类型</typeparam>
    /// <param name="parentTransform">父物体</param>
    /// <param name="childName">子物体名称</param>
    /// <returns>组件</returns>
    public static T FindChild<T>(Transform parentTransform, string childName) where T : Component
    {
        UnityEngine.GameObject child = FindChild(parentTransform, childName);
        if (child) return child.GetComponent<T>();
        return null;
    }
    /// <summary>
    /// 获取指定父物体及其子物体上所有指定类型的组件
    /// </summary>
    /// <typeparam name="T">指定类型</typeparam>
    /// <param name="parentTransform">父物体</param>
    /// <returns>组件集合</returns>
    public static List<T> FindChild<T>(Transform parentTransform) where T : Component
    {
        List<T> list = new List<T>();
        T componet = parentTransform.GetComponent<T>();
        if (componet) list.Add(componet);
        if (parentTransform.childCount > 0)
        {
            for (int i = 0; i < parentTransform.childCount; i++)
            {
                var temp = FindChild<T>(parentTransform.GetChild(i));
                if (temp.Count > 0) list.AddRange(temp);
            }
        }
        return list;
    }
}