mergemilitary/Assets/Scripts/Core/Table/TableBase.cs

using System;
using System.Data;
using System.IO;
using System.Collections.Generic;
using UnityEngine;
#if UNITY_EDITOR
using Excel;
#endif

public abstract class TableBase<T, U> : ScriptableObject where T : ScriptableObject where U : DataBase<U>
{
    private static T mInstance;
    public static T Instance
    {
        get
        {
            if (mInstance == null)
            {
                mInstance = Resources.Load<T>("Table/" + typeof(T).Name);
            }

            return mInstance;
        }
    }

    public int Count => mDataList.Count;
    [SerializeField] protected List<U> mDataList;

    public U this[int pIndex]
    {
        get
        {
            int tIndex = Mathf.Clamp(pIndex, 0, mDataList.Count - 1);
            return mDataList[tIndex];
        }
    }

    public List<U> GetAll()
    {
        List<U> tAll = new List<U>(mDataList);
        return tAll;
    }

    public abstract U GetData(string pID);

    public void ParseExcel(string pFilePath)
    {
        int tColNum = 0, tRowNum = 0;
        Debug.Log(pFilePath);
        DataRowCollection tCollection = ReadExcelContext(pFilePath, ref tColNum, ref tRowNum);
        Debug.Log(typeof(T).Name + ": 列数_" + tColNum + " ，行数_" + tRowNum);

        // 第一行变量名，循环列
        //for (int i = 0; i < tColNum; i++)
        //{
        //}

        //第二行开始才是数据，循环行
        mDataList = new List<U>(tRowNum - 1);
        for (int i = 1; i < tRowNum; i++)
        {
            U tData = typeof(U).Assembly.CreateInstance(typeof(U).Name) as U;
            tData.ParseData(tCollection[i]);
            mDataList.Add(tData);
        }
    }

    /// <summary>
    /// 读Excel
    /// </summary>
    /// <param name="pFilePath">文件路径</param>
    /// <param name="pColNum">行数</param>
    /// <param name="pRowNum">列数</param>
    /// <returns></returns>
    private DataRowCollection ReadExcelContext(string pFilePath, ref int pColNum, ref int pRowNum)
    {
#if UNITY_EDITOR
        FileStream stream = File.Open(pFilePath, FileMode.Open, FileAccess.Read, FileShare.Read);
        IExcelDataReader excelReader = ExcelReaderFactory.CreateBinaryReader(stream);

        DataSet result = excelReader.AsDataSet();
        // Tables[0] 下标0表示excel文件中第一张表的数据
        pColNum = result.Tables[0].Columns.Count;
        pRowNum = result.Tables[0].Rows.Count;
        return result.Tables[0].Rows;
#else
        return null;
#endif

    }
}