using?Supermarket.cashier;
using?Supermarket.personnel;
using?Supermarket.sale;
using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Data.SqlClient;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;

namespace?Supermarket
{
????public?partial?class?login?:?Form
????{
????????public?login（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?login_Load（object?sender?EventArgs?e）
????????{

????????}
????????public?static?string?Id;
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????if?（textBox1.Text?==?““?||?textBox2.Text?==?““||?comboBox1.Text==““）
????????????????MessageBox.Show（“提示：請輸入賬號、密碼和職位！“?“警告“）;
????????????else
????????????{
????????????????SqlConnection?conn?=?new?SqlConnection（“Data?Source=（local）;Initial?Catalog=Supermarket;Integrated?Security=True“）;
????????????????conn.Open（）;
????????????????SqlCommand?cmd?=?new?SqlCommand（“select?*?from?staff?where?accountId=‘“?+?textBox1.Text.ToString（）.Trim（）?+?“‘?and?password=‘“?+?textBox2.Text.ToString（）.Trim（）?+?“‘and?post=‘“?+?comboBox1.Text.ToString（）?+?“‘“?conn）;
????????????????SqlDataReader?sdr?=?cmd.ExecuteReader（）;
????????????????sdr.Read（）;
????????????????Id?=?textBox1.Text.ToString（）.Trim（）;
????????????????if?（sdr.HasRows）
????????????????{
????????????????????if?（comboBox1.Text?==?“收銀員“）
????????????????????{?
????????????????????????CashierOfOperating?cashier?=?new?CashierOfOperating（）;
????????????????????????this.Hide（）;
????????????????????????cashier.ShowDialog（）;

????????????????????}
????????????????????else?if?（comboBox1.Text?==?“銷售員“）
????????????????????{
????????????????????????SaleOfOperating?cashier?=?new?SaleOfOperating（）;
????????????????????????this.Hide（）;
????????????????????????cashier.ShowDialog（）;

????????????????????}
????????????????????else?if?（comboBox1.Text?==?“人事部“）
????????????????????{
????????????????????????PersonnelOfOperating?cashier?=?new?PersonnelOfOperating（）;
????????????????????????this.Hide（）;
????????????????????????cashier.ShowDialog（）;

????????????????????}

????????????????}

????????????????else?{?MessageBox.Show（“提示：賬號、密碼或者身份錯誤!“?“警告“）;?}
????????????????conn.Close（）;


????????????}
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????this.textBox1.Text?=?““;
????????????this.textBox2.Text?=?““;

????????}
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-12-21?13:39??超市管理系統\
?????文件??????413956??2018-12-14?17:20??超市管理系統.docx
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\
?????文件?????5242880??2018-12-21?13:38??超市管理系統\Supermarket.mdf
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\.vs\
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\.vs\Supermarket\
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\.vs\Supermarket\v15\
?????文件???????35840??2018-12-21?13:37??超市管理系統\Supermarket\.vs\Supermarket\v15\.suo
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\.vs\Supermarket\v15\Server\
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\.vs\Supermarket\v15\Server\sqlite3\
?????文件???????????0??2018-12-14?21:00??超市管理系統\Supermarket\.vs\Supermarket\v15\Server\sqlite3\db.lock
?????文件??????618496??2018-12-21?13:05??超市管理系統\Supermarket\.vs\Supermarket\v15\Server\sqlite3\storage.ide
?????文件???????32768??2018-12-21?08:25??超市管理系統\Supermarket\.vs\Supermarket\v15\Server\sqlite3\storage.ide-shm
?????文件?????4140632??2018-12-21?13:37??超市管理系統\Supermarket\.vs\Supermarket\v15\Server\sqlite3\storage.ide-wal
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\Supermarket\
?????文件????????1130??2018-12-14?21:00??超市管理系統\Supermarket\Supermarket.sln
?????文件?????????189??2018-12-14?21:00??超市管理系統\Supermarket\Supermarket\App.config
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\Supermarket\bin\
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\Supermarket\bin\Debug\
?????文件???????51200??2018-12-21?13:36??超市管理系統\Supermarket\Supermarket\bin\Debug\Supermarket.exe
?????文件?????????189??2018-12-14?21:00??超市管理系統\Supermarket\Supermarket\bin\Debug\Supermarket.exe.config
?????文件??????105984??2018-12-21?13:36??超市管理系統\Supermarket\Supermarket\bin\Debug\Supermarket.pdb
?????目錄???????????0??2018-12-15?17:08??超市管理系統\Supermarket\Supermarket\bin\Release\
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\Supermarket\cashier\
?????文件????????3660??2018-12-21?00:10??超市管理系統\Supermarket\Supermarket\cashier\CashierOfOperating.cs
?????文件???????16908??2018-12-20?22:48??超市管理系統\Supermarket\Supermarket\cashier\CashierOfOperating.Designer.cs
?????文件????????6015??2018-12-21?00:10??超市管理系統\Supermarket\Supermarket\cashier\CashierOfOperating.resx
?????文件????????2669??2018-12-20?22:25??超市管理系統\Supermarket\Supermarket\login.cs
?????文件????????8375??2018-12-17?15:49??超市管理系統\Supermarket\Supermarket\login.Designer.cs
?????文件????????5817??2018-12-17?15:49??超市管理系統\Supermarket\Supermarket\login.resx
?????目錄???????????0??2018-12-21?13:38??超市管理系統\Supermarket\Supermarket\manager\
............此處省略56個文件信息