简单地将数组写入excel文件

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Windows.Forms;
using Autodesk.Civil.ApplicationServices;
using acadApp = Autodesk.AutoCAD.ApplicationServices.Application;
using Autodesk.Civil.DatabaseServices;
using Autodesk.Civil.Settings;
using Autodesk.Civil.Runtime;
using Microsoft.Office.Interop.Excel;
using Autodesk.AutoCAD.Runtime;
namespace ClassLibrary9
{
    public class Class1
    {
        public class Commands
        {
            [CommandMethod("WriteToExcel")]
            public void Test()
            {
                String myString = "E,X,E,R,C,I,S,E";
                Array myArray = myString.Split();
                System.Windows.Forms.Application.EnableVisualStyles(); 
                System.Windows.Forms.Application.Run(new Form1());
            }
        }
    }
}

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace ClassLibrary9
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            //Write function to writing myArray to an excel file.
        }
    }
}