using Excel;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.IO;
using UnityEngine;

public static  class ExcelUtil
{
    public static List<DeviceData> GetAllDeviceInfo(string _path, string sheetName)
    {
        if (File.Exists(_path))
        {
            List<DeviceData> devices = new List<DeviceData>();
            DataRowCollection dataRowCollection = ReadExcel(_path, sheetName);
            if (dataRowCollection.Count > 1)
            {

                for (int i = 1; i < dataRowCollection.Count; i++)
                {
                    DeviceData s = new DeviceData();
                    s.ID = dataRowCollection[i][0].ToString();
                    s.deviceType = dataRowCollection[i][1].ToString();
                    s.manufacturer = dataRowCollection[i][2].ToString();
                    s.deviceNum = dataRowCollection[i][3].ToString();
                    s.isInCabinet = dataRowCollection[i][4].ToString();
                    s.uPos = dataRowCollection[i][5].ToString();
                    devices.Add(s);
                    Debug.Log(s.ID);
                }
                return devices;
            }
            else
            {
                Debug.Log("没有数据");
                return null;
            }
        }
        else
        {
            Debug.Log("没有该文件");
            return null;
        }
    }

   

   

    /// <summary>
    /// 读取excel文件内容获取行数 列数 方便保存
    /// </summary>
    /// <param name="filePath">文件路径</param>
    /// <param name="tableIndex">sheet index</param>
    /// <returns></returns>
    private static DataRowCollection ReadExcel(string filePath, string tableName)
    {
        FileStream stream = File.Open(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
        IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);
        DataSet result = excelReader.AsDataSet();
        return result.Tables[tableName].Rows;
    }
}