RoApp/Assets/Src/Core/DownLoad/CsvReader.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine.UI;

namespace Game.Config
{
    public class CsvReader
    {
        private List<string[]> rowDatas;
        private string path;
        private Encoding encoding;
        private bool isgb2312;

        public string Name;
        public CsvReader(string csvpath, Encoding edg = null)
        {
            if (string.IsNullOrEmpty(csvpath))
            {
                throw new ArgumentNullException("path");
            }
            rowDatas = new List<string[]>();
            encoding = edg;
            path = csvpath;
            if (edg == null)
            {
                encoding = Encoding.UTF8;
                isgb2312 = false;
            }
            else if (edg != Encoding.UTF8)
            {
                isgb2312 = true;
            }
            Name =FileHelper.GetName(path);
            ReadFromCsv();
        }

        public CsvReader(string name,byte[] bytes)
        {
            rowDatas = new List<string[]>();
            isgb2312 = false;
            Name = name;
            ReadFromMemory(bytes);
        }

        public string[][] RowDatas
        {
            get
            {
                return rowDatas.ToArray();
            }
        }

        public string[] Fields()
        {
            return rowDatas[0];
        }

        public string[] Types()
        {
            return rowDatas[1];
        }

        private void ReadFromCsv()//改异步
        {
            string[] datas = File.ReadAllLines(path, encoding);
            if (datas == null || datas.Length <= 0)
            {
                return;
            }
            if (isgb2312)
            {
                for (int i = 0; i < datas.Length; i++)
                {
                    datas[i] = FileHelper.GB2312ToUTF8(datas[i]);
                }
            }

            foreach (var item in datas)
            {
                string[] rdt = FileHelper.SpiltData(item);
                rowDatas.Add(rdt);
            }
        }


        private void ReadFromMemory(byte[] bytes)
        {
            string str = Encoding.UTF8.GetString(bytes);
            string[] datas = str.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
            foreach (var item in datas)
            {
                string[] rdt = FileHelper.SpiltData(item);
                rowDatas.Add(rdt);
            }
        }

       
    }
}