只知道预制体是用来生成物体的？看我如何使用Unity生成UI预制体

using UnityEngine;
using UnityEngine.UI;
public class PersonItem : MonoBehaviour
{
    public Text ID;
    public Text Name;           
    public Text Sex;            
    public Text Age;            
    public Text Post;
    public Text Work;
    public Button ViewInfo;
    public Image Backgroud;
}
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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class PersonControl : MonoBehaviour
{
    public PersonItem PersonItemParfabs;//人员预制体
    public Transform PersonParent;//人员父节点
    public GameObject PopupAddInfo;//弹窗 添加信息
    public InputField InputName;
    public Dropdown DropSex;
    public InputField InputAge;
    public InputField InputPost;
    public InputField InputWorkExp;
    public Button BtnAddInfo;//弹窗 中添加信息的所有组件
    public GameObject PopupShowInfol;//弹窗 显示信息
    public Text Name;
    public Text Sex;
    public Text Age;
    public Text Post;
    public Text WorkExp;//弹窗中要显示的信息的所有组件
    public Button AddPerson;//添加人员按钮
    private int ID = 0;
    void Start()
    {
        //初始化关闭所有弹窗
        PopupAddInfo.SetActive(false);
        PopupShowInfol.SetActive(false);
        //添加按钮事件
        AddPerson.onClick.AddListener(() =>
        {
            PopupAddInfo.SetActive(true);
        });
        BtnAddInfo.onClick.AddListener(AddInfoEvent);
    }
    private void AddInfoEvent()
    {
        ID++;
        PersonItem item = Instantiate(PersonItemParfabs, Vector3.zero, Quaternion.identity, PersonParent);
        item.ID.text = ID.ToString();
        item.Name.text = InputName.text;
        item.Sex.text = DropSex.captionText.text;
        item.Age.text = InputAge.text;
        item.Post.text = InputPost.text;
        item.Work.text = InputWorkExp.text;
        item.ViewInfo.onClick.AddListener(() => ShowInfo(item.Name.text, item.Sex.text, item.Age.text, item.Post.text, item.Work.text));
        item.Backgroud.color = ID % 2 == 1 ? Color.blue : Color.red;//通过奇偶区分 背景演示是蓝色还是红色 用了一个三元表达式
        PopupAddInfo.SetActive(false);
    }
    private void ShowInfo(string name, string sex, string age, string post, string work)
    {
        PopupShowInfol.SetActive(true);
        Name.text = name;
        Sex.text = sex;
        Age.text = age;
        Post.text = post;
        WorkExp.text = work;
    }
}
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