unity读写本地excel

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using OfficeOpenXml;
using System.IO;
using Excel;
using System.Data;
using System;
/// <summary>
/// https://blog.csdn.net/Xz616/article/details/128893023
/// Unity3D操作数据之Excel表操作(创建、读取、写入、修改)
/// 北斗课题 VR 设备统计功能开发——每次程序打开关闭记录对应时间到本地电子表格
/// 列：打开年，月，日，时间，关闭年，月，日，时间
/// </summary>
public class ExcelOperation : MonoBehaviour
{// [SerializeField]string strExcelSavePath = "";[SerializeField]string strFilename = "北斗VR设备统计.xlsx";// Start is called before the first frame updatevoid Start(){//strExcelSavePath = Application.streamingAssetsPath;}/// <summary>/// 增/// Application.dataPath   :           E:/UnityProject_V2020.3.47f3c1/BDProject/Assets/// Application.streamingAssetsPath    :/UnityProject_V2020.3.47f3c1/BDProject/Assets/StreamingAssets/// </summary>public void CreatExcel(){//文件地址FileInfo newFile = new FileInfo(strExcelSavePath + "/test.xlsx");//如果文件存在删除重建if (newFile.Exists){newFile.Delete();newFile = new FileInfo(strExcelSavePath + "/test.xlsx");}//数据操作//如果只想创建文件不写入表头，数据操作步骤可以省略using (ExcelPackage package = new ExcelPackage(newFile)){//初次创建增加数据操作（重点在于这条操作语句不同）ExcelWorksheet worksheet = package.Workbook.Worksheets.Add("test");//添加对应列名worksheet.Cells[1, 1].Value = "列名1";worksheet.Cells[1, 2].Value = "列名2";worksheet.Cells[1, 3].Value = "列名3";//保存package.Save();print("创建成功");}}/// <summary>/// 存/// </summary>public void WriteExcel(){//文件地址FileInfo newFile = new FileInfo(strExcelSavePath + "/test.xlsx");//数据操作using (ExcelPackage package = new ExcelPackage(newFile)){//增加数据操作（重点在于这条操作语句与初次创建添加数据不同）ExcelWorksheet worksheet = package.Workbook.Worksheets["test"];//添加第二行数据worksheet.Cells[2, 1].Value = "名称1";worksheet.Cells[2, 2].Value = "价格1";worksheet.Cells[2, 3].Value = "销量1";//添加第三行数据worksheet.Cells[3, 1].Value = "名称2";worksheet.Cells[3, 2].Value = "价格2";worksheet.Cells[4, 3].Value = "销量2";//保存package.Save();print("写入数据成功");}}/// <summary>/// 已知已有行数，添加一行新数据，供外部调用/// dt为开始时间/// </summary>public void AddStartTimeToExcel(){if (!isSaveExcel){ //文件地址FileInfo newFile = new FileInfo(strExcelSavePath + "/" + strFilename);//数据操作using (ExcelPackage package = new ExcelPackage(newFile)){//增加数据操作（重点在于这条操作语句与初次创建添加数据不同）ExcelWorksheet worksheet = package.Workbook.Worksheets["设备统计"];//添加第curRows(原行数当现索引用)行数据  Cells[x,y]//x，y都是从1开始数的curRows++;worksheet.Cells[curRows, 1].Value = (curRows - 1).ToString();worksheet.Cells[curRows, 2].Value = DateTime.Now.Year;worksheet.Cells[curRows, 3].Value = DateTime.Now.Month;worksheet.Cells[curRows, 4].Value = DateTime.Now.Day;worksheet.Cells[curRows, 5].Value = DateTime.Now.ToString("HH:mm:ss");//保存package.Save();isSaveExcel = true;print("写入开始时间到excel");}}}/// <summary>/// 给系统一登录新增的那一行数据的最后一列新增内容——存储结束时间/// </summary>public void AddEndTimeToExcel(){if (isSaveExcel){ //文件地址FileInfo newFile = new FileInfo(strExcelSavePath + "/" + strFilename);//数据操作using (ExcelPackage package = new ExcelPackage(newFile)){//增加数据操作（重点在于这条操作语句与初次创建添加数据不同）ExcelWorksheet worksheet = package.Workbook.Worksheets["设备统计"];//添加第curRows(原行数当现索引用)行数据  Cells[x,y]//x，y都是从1开始数的// curRows = curRows++;// worksheet.Cells[curRows, 1].Value = (curRows - 1).ToString();worksheet.Cells[curRows, 6].Value = DateTime.Now.Year;worksheet.Cells[curRows, 7].Value = DateTime.Now.Month;worksheet.Cells[curRows, 8].Value = DateTime.Now.Day;worksheet.Cells[curRows, 9].Value = DateTime.Now.ToString("HH:mm:ss");//保存package.Save();isSaveExcel = false;print("写入结束时间到excel");}}}/*/// <summary>/// 删改 from csdn/// </summary>public void ChangeExcel(){//文件地址FileInfo newFile = new FileInfo(strExcelSavePath + "/test.xlsx");//数据操作using (ExcelPackage package = new ExcelPackage(newFile)){ExcelWorksheet worksheet = package.Workbook.Worksheets["test"];//追加worksheet.Cells[4, 1].Value = "名称3";worksheet.Cells[4, 2].Value = "价格3";worksheet.Cells[4, 3].Value = "销量3";//删除某一列（参数：列的序号）worksheet.DeleteColumn(1);//删除某一行（参数：行的序号）worksheet.DeleteRow(1);//修改（和添加一样）worksheet.Cells[4, 1].Value = "修改名称";worksheet.Cells[4, 2].Value = "修改价格";worksheet.Cells[4, 3].Value = "修改销量";//保存package.Save();print("删改数据成功");}}*//// <summary>/// 第一次存开始时间的时候不变此值，存结束时间的时候变/// </summary>bool isSaveExcel = false;/// <summary>/// 系统刚打开查询表格看看表格中总行数，也就是即将添加的行的索引/// </summary>int curRows = 0;/// <summary>/// 系统刚打开查询表格看看表格中总行数，也就是即将添加的行的索引/// </summary>int curColumns = 0;/* /// <summary>/// 查 from csdn/// </summary>public void ReadExecel(){//加载文件FileStream fileStream = File.Open(strExcelSavePath + "/test.xlsx", FileMode.Open, FileAccess.Read);IExcelDataReader excelDataReader = ExcelReaderFactory.CreateOpenXmlReader(fileStream);DataSet result = excelDataReader.AsDataSet();// 获取表格有多少列int columns = result.Tables[0].Columns.Count;// 获取表格有多少行 int rows = curRows = result.Tables[0].Rows.Count;Debug.Log("共有：" + columns + "列 " + rows + "行");//第一行为表头，不读取。没有表头从0开始(获取数据)for (int i = 0; i < rows; i++){for (int j = 0; j < columns; j++){// 获取表格中指定行指定列的数据 string value = result.Tables[0].Rows[i][j].ToString();Debug.Log(value);}}fileStream.Close();print("查询数据成功");}*//// <summary>/// 读取本地excel,为了填充变量 curRows，获取当前行数/// </summary>/// <param name="fileName">含文件后缀：北斗VR设备统计.xlsx</param>public void ReadExecel(){//加载文件FileStream fileStream = File.Open(strExcelSavePath + "/" + strFilename, FileMode.Open, FileAccess.Read);IExcelDataReader excelDataReader = ExcelReaderFactory.CreateOpenXmlReader(fileStream);DataSet result = excelDataReader.AsDataSet();// 获取表格有多少列int columns = curColumns = result.Tables[0].Columns.Count;// 获取表格有多少行 int rows = curRows = result.Tables[0].Rows.Count;Debug.Log("共有：" + columns + "列 " + rows + "行");/* //第一行为表头，不读取。没有表头从0开始(获取数据)for (int i = 0; i < rows; i++){for (int j = 0; j < columns; j++){// 获取表格中指定行指定列的数据 string value = result.Tables[0].Rows[i][j].ToString();Debug.Log(value);}}*/fileStream.Close();//print("查询数据成功，行数：" + curRows);}// Update is called once per framevoid Update(){/*if (Input.GetKeyUp(KeyCode.U)){print(Application.streamingAssetsPath);CreatExcel();}if (Input.GetKeyUp(KeyCode.I)){WriteExcel();}*//*if (Input.GetKeyUp(KeyCode.O)){ReadExecel();AddStartTimeToExcel();}if (Input.GetKeyUp(KeyCode.P)){AddEndTimeToExcel();}*/}/// <summary>/// DontDestroyOnLoad(GameObject);//让此物体在场景销毁的时候不进行销毁，但是有几点需要注意//再次返回到此物体所在场景的时候，这个脚本所在的物体也会进行初始化，执行Awake(),Start()方法，所以要设计成单例的：//注意看注释/// </summary>private static ExcelOperation _instance;   // 单例public ExcelOperation GameManagerInstance{get { return _instance; }}void Awake(){if (_instance != null){//这里一定要是销毁this.gameObjectDestroy(this.gameObject);return;}//这句话只执行一次，第二次上面return了_instance = this;strExcelSavePath = Application.streamingAssetsPath;ReadExecel();AddStartTimeToExcel();DontDestroyOnLoad(gameObject);}private void OnApplicationQuit(){AddEndTimeToExcel();}
}
unity读写本地excel_2024.4.22

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