Unity 写入数据到本地Txt以及读取本地Txt的数据

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本文链接： https://blog.csdn.net/qq_40229737/article/details/99635928

本篇文档借鉴：https://blog.csdn.net/qq_24807077/article/details/79555030

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using System.Text;
public class ReadText : MonoBehaviour {
    StreamWriter writer;
    StreamReader reader;

    List<string> Allmytxt = new List<string>();
    string _txtPath;

    // Use this for initialization
    void Start()
    {
       _txtPath = Application.dataPath + "/mytxt.txt";//txt文本存储在本项目工程路径
       _txtPath = "D:\\MyTest\\mytxt.txt"; ;//txt文本存储在电脑的某个文件夹
        //分别调用保存或读取方法
        SaveText();
        GetdataFromText();
    }

    //保存Txt文档
    void SaveText()
    {
        FileInfo file = new FileInfo(_txtPath);
        if (file.Exists)
        {
            file.Delete();
            file.Refresh();
        }
        WriteIntoTxt("message");

    }
    //把获取的数据打印出来
    void GetdataFromText()
    {
        Allmytxt = GetmytxtList();
        for (int i = 0; i < Allmytxt.Count; i++)
        {
            Debug.LogError(Allmytxt.Count);
            Debug.LogError(Allmytxt[i]);
        }

    }
    //把所有的数据写入Txt文本中
    public void WriteIntoTxt(string message)
    {
        FileInfo file = new FileInfo(_txtPath);
        if (!file.Exists)
        {
            writer = file.CreateText();
        }
        else
        {
            writer = file.AppendText();
        }
        writer.WriteLine(message);
        writer.Flush();
        writer.Dispose();
        writer.Close();
    }
    //从Txt读取数据 存储到列表中
    public void ReadOutTxt()
    {
        Allmytxt.Clear();
        reader = new StreamReader(_txtPath, Encoding.UTF8);
        string text;
        while ((text = reader.ReadLine()) != null)
        {          
            Allmytxt.Add(text);           
        }
        reader.Dispose();
        reader.Close();
    }
    /// <summary>
    /// 获取从列表读取数据之后的List
    /// </summary>
    /// <returns></returns>
    public List<string> GetmytxtList()
    {
        ReadOutTxt();
        return Allmytxt;
    }

}