using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Text;
using?System.Windows.Forms;
using?System.Data.Odbc;
using?System.Data.OleDb;
using?System.IO;
using?System.Security;
using?System.Security.AccessControl;

namespace?CSharp導出Excel文件
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????string?excelPath?=?AppDomain.CurrentDomain.baseDirectory?+?“Excel“?+?DateTime.Now.Ticks?+?“.xlsx“;
????????????if?（System.IO.File.Exists（excelPath））
????????????{
????????????????textBox1.Text?+=?（“文件已經存在！“）;
????????????????return;
??????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-03-01?16:08??.vs\
?????目錄???????????0??2020-03-01?16:08??.vs\CSharp導出Excel文件\
?????目錄???????????0??2020-03-01?16:08??.vs\CSharp導出Excel文件\v16\
?????文件???????54272??2020-03-01?18:12??.vs\CSharp導出Excel文件\v16\.suo
?????目錄???????????0??2020-03-01?16:08??.vs\CSharp導出Excel文件\v16\Server\
?????目錄???????????0??2020-03-01?18:12??.vs\CSharp導出Excel文件\v16\Server\sqlite3\
?????文件???????????0??2020-03-01?16:08??.vs\CSharp導出Excel文件\v16\Server\sqlite3\db.lock
?????文件??????557056??2020-03-01?18:11??.vs\CSharp導出Excel文件\v16\Server\sqlite3\storage.ide
?????目錄???????????0??2014-05-10?13:49??CSharp導出Excel文件\
?????文件????????5770??2020-03-01?18:11??CSharp導出Excel文件\CSharp導出Excel文件.csproj
?????文件?????????624??2020-03-01?18:06??CSharp導出Excel文件\CSharp導出Excel文件.csproj.user
?????文件????????5062??2014-05-09?22:59??CSharp導出Excel文件\Form1.Designer.cs
?????文件????????6766??2014-05-10?23:19??CSharp導出Excel文件\Form1.cs
?????文件????????5817??2014-05-09?22:59??CSharp導出Excel文件\Form1.resx
?????文件?????????504??2013-03-19?17:01??CSharp導出Excel文件\Program.cs
?????目錄???????????0??2020-03-01?18:06??CSharp導出Excel文件\Properties\
?????文件????????1396??2013-03-19?17:01??CSharp導出Excel文件\Properties\AssemblyInfo.cs
?????文件????????3104??2014-05-10?13:49??CSharp導出Excel文件\Properties\Resources.Designer.cs
?????文件????????6183??2013-03-19?17:08??CSharp導出Excel文件\Properties\Resources.resx
?????文件????????1122??2014-05-10?13:49??CSharp導出Excel文件\Properties\Settings.Designer.cs
?????文件?????????249??2013-03-19?17:01??CSharp導出Excel文件\Properties\Settings.settings
?????文件????????2471??2020-03-01?18:06??CSharp導出Excel文件\Properties\app.manifest
?????目錄???????????0??2020-03-01?18:10??CSharp導出Excel文件\Resource\
?????文件???????10351??2014-05-10?13:24??CSharp導出Excel文件\Resource\Excel.xlsx
?????文件?????????144??2014-05-10?13:49??CSharp導出Excel文件\app.config
?????目錄???????????0??2013-03-19?17:01??CSharp導出Excel文件\bin\
?????目錄???????????0??2020-03-01?18:12??CSharp導出Excel文件\bin\Debug\
?????文件???????23552??2020-03-01?18:11??CSharp導出Excel文件\bin\Debug\CSharp導出Excel文件.exe
?????文件?????????144??2014-05-10?13:49??CSharp導出Excel文件\bin\Debug\CSharp導出Excel文件.exe.config
?????文件???????26112??2020-03-01?18:11??CSharp導出Excel文件\bin\Debug\CSharp導出Excel文件.pdb
?????文件????????1865??2014-05-10?22:36??CSharp導出Excel文件\bin\Debug\CSharp導出Excel文件.vshost.application
............此處省略23個文件信息