1.Mysql数据表users如下：

2.即将导入的Excel表格如下：

3.代码如下：

using System;
using System.Data;
using System.IO;
using Excel;
using MySql.Data.MySqlClient;
using UnityEngine;
using UnityEditor;

public class ImportExcel
{
    // 数据库连接字符串，需根据实际情况修改
    private const string ConnectionString = "server=localhost;database=mygamedb;uid=root;pwd=123456;";

    [MenuItem("Excel操作/导入Excel数据到MySQL")]
    static void ImportExcelToMySQL()
    {
        string excelPath = Application.streamingAssetsPath + "/学生信息.xlsx";
        try
        {
            // 读取Excel数据
            DataRowCollection dataRows = ReadExcel(excelPath);
            if (dataRows != null && dataRows.Count > 0)
            {
                // 连接MySQL数据库并插入数据
                InsertDataToMySQL(dataRows);
            }
        }
        catch (Exception e)
        {
            Debug.LogError("导入数据时出错:" + e.Message);
        }
    }

    private static DataRowCollection ReadExcel(string path)
    {
        try
        {
            using (FileStream stream = File.Open(path, FileMode.Open, FileAccess.Read))
            {
                IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream);
                DataSet result = excelReader.AsDataSet();
                return result.Tables[0].Rows;
            }
        }
        catch (Exception e)
        {
            Debug.LogError("读取Excel文件时出错:" + e.Message);
            return null;
        }
    }

    private static void InsertDataToMySQL(DataRowCollection dataRows)
    {
        using (MySqlConnection connection = new MySqlConnection(ConnectionString))
        {
            try
            {
                connection.Open();
                // 查询当前最大的id值
                string str_总数据条数 = "SELECT COUNT(*) AS total_records FROM users";
                MySqlCommand maxIdCommand = new MySqlCommand(str_总数据条数, connection);
                object obj_总数据条数 = maxIdCommand.ExecuteScalar();
                Debug.Log(Convert.ToInt32(obj_总数据条数));


                // 插入语句包含id字段，数据库自增长会自动赋值
                string insertQuery = "INSERT INTO users (id, username, password, registerdate) VALUES (@id, @username, @password, @registerdate)";
                using (MySqlCommand command = new MySqlCommand(insertQuery, connection))
                {
                    // 从第二行开始插入数据，跳过标题行
                    for (int i = 1; i < dataRows.Count; i++)
                    {
                        DataRow row = dataRows[i];
                        command.Parameters.Clear();
                        command.Parameters.AddWithValue("@id", Convert.ToInt32(obj_总数据条数)+i);
                        command.Parameters.AddWithValue("@username", row[0]);
                        command.Parameters.AddWithValue("@password", row[1]);
                        // 处理日期格式，假设Excel中的日期格式可直接转换
                        DateTime registerDate;
                        if (DateTime.TryParse(row[2].ToString(), out registerDate))
                        {
                            command.Parameters.AddWithValue("@registerdate", registerDate);
                        }
                        else
                        {
                            Debug.LogWarning("无法解析日期:" + row[2] + "，使用默认值");
                            command.Parameters.AddWithValue("@registerdate", DateTime.Now);
                        }
                        command.ExecuteNonQuery();
                    }
                }
                Debug.Log("数据成功导入到MySQL数据库");
            }
            catch (Exception e)
            {
                Debug.LogError("插入数据到MySQL时出错:" + e.Message);
            }
        }
    }
}