using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using System.Text;

public class TextReadAndWrite : MonoBehaviour
{
    // Start is called before the first frame update

    void Start()
    {
        
    }


    //在streamingAssets文件夹下按名字读取，直接读取所有内容
    private void LoadTxt(string Name) {
        string UnityPath = Path.Combine(Application.streamingAssetsPath, Name+".txt");
        StreamReader sr = new StreamReader(UnityPath, Encoding.GetEncoding("gb2312"));
        string allText = sr.ReadToEnd();
        Debug.Log(allText);
        sr.Close();     
    }


    //按文档位置读取文档里的信息并按照逐行输出成数组的形式读取
    private void LoadTxt1(string position)
    {
        string UnityPath1 = Application.dataPath + position;
        string[] allLineText = File.ReadAllLines(UnityPath1);
        for (int i = 0; i < allLineText.Length; i++)
        {
            Debug.Log(allLineText[i]);
        }
    }

    //纯路径写入文本 Hello Word
    private void  WriteTxt1()
    {
        string UnityPath2 = "C:\\Users\\zsjl\\Desktop\\MyTxt.txt";
        File.AppendAllText(UnityPath2, "Hello Word", Encoding.UTF8);     
    }

    //纯路径自动创建新文档并且写入数据，这是新文本
    private void Write() {
        string UnityPath3 = Application.dataPath + "/StreamingAssets/MyTxt.txt";
            //"C:\\Users\\Administrator\\Desktop\\MyTxt.txt";
        FileStream fs = new FileStream(UnityPath3, FileMode.Create);
        StreamWriter writer = new StreamWriter(fs, Encoding.Default);
        string str = "这是新文本";
        writer.WriteLine(str);
        writer.Close();
        fs.Close();
    }

    //读取unity路径下的text文件中的第几行数据，并对数据按某种符号划分并存储数组
    private void ReadTxtByRow(int row) {
        string UnityPath = Application.dataPath + "/StreamingAssets/MyTxt.txt";
        //将文档中所有行数据存入数组中
        string[] rowText = File.ReadAllLines(UnityPath);
        //获取文档中某一行数据并且按空格分割，存入新数组
        string[] s = rowText[row].Split(new string[] { " " }, System.StringSplitOptions.RemoveEmptyEntries);
        for (int j = 0; j < s.Length; j++) 
        {
            Debug.Log(s[j]);
        }
    }

    void OpenAndReadDate()
    {
        //文件夹为与Assets并列对的文件夹，同在一个项目文件夹下。
        string FileName = "C:\\Users\\zsjl\\Desktop\\MyTxt.txt";


        string[] strs = { "123", "321", "234" };

        File.WriteAllLines(FileName, strs);

    }
    private void LoadTxt2()
    {
        string UnityPath = "C:\\Users\\zsjl\\Desktop\\MyTxt.txt";
        StreamReader sr = new StreamReader(UnityPath, Encoding.GetEncoding("gb2312"));
        string allText = sr.ReadToEnd();
        Debug.Log(allText);
        sr.Close();
    }

    private void Update()
    {      
        OpenAndReadDate();
        LoadTxt2();
       // delete("C:\\Users\\zsjl\\Desktop\\MyTxt.txt");
    }
    //删除文档内容
    public void DeleteTxt() {
        string path = Application.dataPath + "/StreamingAssets/ShoppCart.txt";
        File.WriteAllText(path, string.Empty);
        print("成功");
    }
    //删除txt文档
    public void delete(string position) {
        File.Delete(@position);
    }


}