一、将读取Excel文件放到Plugins文件下，并添加组件

二、相关代码

using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Data;
using System.IO;
using Excel;
using UnityEngine.UI;
using Object = UnityEngine.Object;

public class finsh : MonoBehaviour
{
     //public设置为unity界面配置
    public RectTransform content;
    public GameObject table;
    public GameObject tableDemo;
    private string file1 = "Assets/finsh/cc.xlsx";//读取的文件的路径

  
      //根据读取Excel表格的数量通过克隆创建对应的表格
    public void CloneForm()
    {
        Dictionary<string, string> dictionary = LoadInfo(file1);
        foreach (var i in dictionary)
        {
            content = table.GetComponent<RectTransform>();
            var task = Instantiate(tableDemo, content);
            task.gameObject.SetActive(true);
            task.GetComponent<InputField>().text = i.Value;
        }
    }
    
     //读取加载
    public void read()
    {
        GameObject.Find("table").AddComponent<finsh>().LoadInfo(file1);
        print(file1);
        CloneForm();
    }

    //找到并读取Excel，转换成DataSet型变量
    DataSet ReadExcel(string path)
    {
        Debug.Log(path + "read");
        FileStream fs = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.Read);
        IExcelDataReader iExcelDR = ExcelReaderFactory.CreateOpenXmlReader(fs);
        DataSet ds = iExcelDR.AsDataSet();
        fs.Close();
        return ds;
    }

    //加载记录表中信息
    public Dictionary<string, string> LoadInfo(string path)
    {
        Debug.Log(path+"load");
        Dictionary<string, string> table_list=new Dictionary<string, string>();
       DataSet ds = ReadExcel(path);
        int num= ds.Tables.Count;  //查询文件有几个表
        print("表"+num);
        int columns = ds.Tables[1].Columns.Count; //总列数，Tables[0]为待查询的表1
        int rows = ds.Tables[1].Rows.Count; //总行数
        GetComponent<GridLayoutGroup>().constraintCount = columns;
        print(rows + "---" + columns);
        for (int j = 0; j < rows; j++)
        {
            for (int i = 0; i < columns; i++)
            {
                //读取表1的第i行第j列
                string value = ds.Tables[1].Rows[j][i].ToString(); //ds.Tables[0].Rows[i][0]是Object，需强行转换为string
                string key = (j + 1) + "行" + (i + 1) + "列";
                table_list.Add(key,value);
               // Debug.Log(key + "===" + value);

            }

           
        }

        return table_list;
    }
    
}

/*创建对象
 private Object CreateSprite(int r, int c)
{
    GameObject go=new GameObject(r.ToString()+c.ToString());
    go.AddComponent<InputField>();
    go.transform.SetParent(this.transform,false);
    return go;
    print(this.transform.name);
}*/