设计思路及框架设计：

项目结构：

1.默认登录界面、注册功能设计

通过SqlConnection连接数据库，SqlCommand执行查询语句，ExecuteScalar()方法返回的结果判断是否查询到数据，决定是否登录！

判断是否查询到用户，决定是否注册成功！

2.主界面设计

主界面提供各管理页面的入口链接以及仓库环境监测功能！

环境监测采用用户控件的方式，通过SerialPort获取外设串口，再监测BytesToRead获取串口数据，最后传入的数据进行字符串解析，把相应值传入DrawLine，实现动态折线图页面！

3.商品管理页面设计

商品管理主页面，由SqlDataAdapter获取数据，通过DataTable展示页面，Fill填充数据到页面，ItemsSource设置页面的资源列表！
商品添加页面：

 添加数据不能为空，获取填充数据进行insert SQL语句插入。
商品删除、修改操作：

     通过cs验证库存，库存不为0的不可进行删改操作！

4．入库管理界面设计

入库功能界面采用DataTable显示入库表，采用comboBox控件显示仓库中的商品，入库时插入入库记录并刷新仓库中的库存，达到入库功能！
删除入库记录功能：

 删除不必要的入库记录！并刷新页面数据！

5．出库管理界面设计

出库功能与入库功能相似，主要是修改库存之中的数据！

但当库存不足时，通过先行查找库存之中的数据进行校验，不足时提示出库失败！

6.用户管理界面

通过用户管理界面方便进行管理登录仓库账号！

因云盘易失效，故附项目源码如下：

MainWindow.xaml

<Window x:Class="goodsdb.MainWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb"mc:Ignorable="d"Title="登录界面" Height="450" Width="860"><Grid><TextBox x:Name="username" HorizontalAlignment="Left" Margin="360,146,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><PasswordBox x:Name="password" HorizontalAlignment="Left" Margin="360,187,320,0" VerticalAlignment="Top" Width="120"/><TextBlock HorizontalAlignment="Left" Margin="292,146,0,0" TextWrapping="Wrap" VerticalAlignment="Top"><Run Language="zh-cn" Text="用户名："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="292,187,0,0" TextWrapping="Wrap" VerticalAlignment="Top"><Run Language="zh-cn" Text="密码："/></TextBlock><Button Content="注册" HorizontalAlignment="Left" Margin="324,241,0,0" VerticalAlignment="Top" Click="Button_Click"/><Button Content="登录" HorizontalAlignment="Left" Margin="423,242,0,0" VerticalAlignment="Top" Click="Button_Click_1"/></Grid>
</Window>

MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;namespace goodsdb
{/// <summary>/// Interaction logic for MainWindow.xaml/// </summary>public partial class MainWindow : Window{public MainWindow(){InitializeComponent();}private void Button_Click(object sender, RoutedEventArgs e){view.regist user = new view.regist();user.Show();}private void Button_Click_1(object sender, RoutedEventArgs e){if (username.Text != "" | password.Password != ""){SqlConnection connection = new SqlConnection("Address=localhost;Database=commoditydb;integrated security=SSPI");connection.Open();SqlCommand command = new SqlCommand("select * from user_t where username = '" + username.Text + "' and password = '" + password.Password + "'", connection);if (command.ExecuteScalar() != null){MessageBox.Show("用户： "+username.Text +" 登陆成功！");view.main user2 = new view.main();user2.Show();this.Close();}else{MessageBox.Show("用户名或密码错误!");}}else{MessageBox.Show("用户名或密码不能为空！");}}}
}

main.xaml

<Windowxmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.view"xmlns:tu="clr-namespace:goodsdb.tu" x:Class="goodsdb.view.main"mc:Ignorable="d"Title="主界面" Height="450" Width="800" Loaded="Window_Loaded_1" Closing="Window_Closing_1"><Grid><Button Content="用户管理" HorizontalAlignment="Left" Margin="78,70,0,0" VerticalAlignment="Top" Height="30" Width="74" Click="Button_Click_2"/><Button Content="商品管理" HorizontalAlignment="Left" Margin="78,133,0,0" VerticalAlignment="Top" Height="30" Width="74" Click="Button_Click_11"/><Button Content="入库管理" HorizontalAlignment="Left" Margin="78,0,0,0" VerticalAlignment="Center" Height="30" Width="74" Click="Button_Click_4"/><Button Content="出库管理" HorizontalAlignment="Left" Margin="78,262,0,0" VerticalAlignment="Top" Height="30" Width="74" Click="Button_Click_7"/><Button Content="退出" HorizontalAlignment="Left" Margin="78,332,0,0" VerticalAlignment="Top"  Width="71" Height="30" Click="Button_Click"/><Label Content="请选择串口" HorizontalAlignment="Left" Margin="197,61,0,0" VerticalAlignment="Top" Height="25" Width="82"/><ComboBox x:Name="cb_port" HorizontalAlignment="Left" Margin="277,65,0,0" VerticalAlignment="Top" Width="138" Height="21"/><Button Content="打开串口" HorizontalAlignment="Left" Margin="480,67,0,0" VerticalAlignment="Top" Width="74" Click="Button_Click_1" Height="19"/><ListBox x:Name="lb_message" HorizontalAlignment="Left" Height="22" Margin="200,150,0,0" VerticalAlignment="Top" Width="486"/><Label Content="温度" HorizontalAlignment="Left" Margin="196,92,0,0" VerticalAlignment="Top" Height="24" Width="40"/><Label Content="湿度" HorizontalAlignment="Left" Margin="335,91,0,0" VerticalAlignment="Top" Height="24" Width="40"/><Label Content="光照度" HorizontalAlignment="Left" Margin="475,91,0,0" VerticalAlignment="Top" Height="24" Width="53"/><Label x:Name="lb_wd" Content="N/A" HorizontalAlignment="Left" Margin="248,92,0,0" VerticalAlignment="Top" Height="24" Width="39"/><Label x:Name="lb_sd" Content="N/A" HorizontalAlignment="Left" Margin="384,92,0,0" VerticalAlignment="Top" Height="24" Width="39"/><Label x:Name="lb_gzd" Content="N/A" HorizontalAlignment="Left" Margin="538,94,0,0" VerticalAlignment="Top" Height="24" Width="44"/><Label Content="LED1" HorizontalAlignment="Left" Margin="195,122,0,0" VerticalAlignment="Top" Height="24" Width="45"/><Label x:Name="lb_led1" Content="N/A" HorizontalAlignment="Left" Margin="247,122,0,0" VerticalAlignment="Top" Height="24" Width="39"/><Label Content="LED2" HorizontalAlignment="Left" Margin="477,122,0,0" VerticalAlignment="Top" Height="24" Width="45"/><Label x:Name="lb_led2" Content="N/A" HorizontalAlignment="Left" Margin="540,122,0,0" VerticalAlignment="Top" Height="24" Width="38"/><Button x:Name="bt_led1" Content="N/A" HorizontalAlignment="Left" Margin="300,126,0,0" VerticalAlignment="Top" Width="87" Click="bt_led1_Click" Height="18"/><Button x:Name="bt_led2" Content="N/A" HorizontalAlignment="Left" Margin="600,125,0,0" VerticalAlignment="Top" Width="87" Click="bt_led2_Click" Height="18"/><Button Content="关闭串口" HorizontalAlignment="Left" Margin="580,66,0,0" VerticalAlignment="Top" Width="69" Click="Button_Click_3" Height="19"/><Label Content="仓库" HorizontalAlignment="Left" Margin="364,12,0,0" VerticalAlignment="Top" FontSize="20" RenderTransformOrigin="0.026,0.272"/><tu:CurveControl HorizontalAlignment="Left" Margin="198,181,0,0" VerticalAlignment="Top" x:Name="wdCurveCtr"/><tu:CurveControl HorizontalAlignment="Left" Margin="365,181,0,0" VerticalAlignment="Top" x:Name="sdCurveCtr"/><tu:CurveControl HorizontalAlignment="Left" Margin="535,182,0,0" VerticalAlignment="Top" x:Name="CurveCtr"/><Label Content="温度" HorizontalAlignment="Left" Margin="250,385,0,0" VerticalAlignment="Top"/><Label Content="湿度" HorizontalAlignment="Left" Margin="418,384,0,0" VerticalAlignment="Top"/><Label Content="光感度" HorizontalAlignment="Left" Margin="598,383,0,0" VerticalAlignment="Top"/></Grid>
</Window>

main.xaml.cs

using System;
using System.Collections.Generic;
using System.IO.Ports;
using System.Text;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.view
{/// <summary>/// main.xaml 的交互逻辑/// </summary>public partial class main : Window{public main(){InitializeComponent();}Thread timer;private void Window_Closing_1(object sender, System.ComponentModel.CancelEventArgs e){//timer.Abort();//timer = null;}private void Button_Click(object sender, RoutedEventArgs e){MainWindow user = new MainWindow();user.Show();this.Close();}private void Button_Click_11(object sender, RoutedEventArgs e){commodity.goodsmanagement user = new commodity.goodsmanagement();user.Show();this.Close();}private void Button_Click_2(object sender, RoutedEventArgs e){view.usermanagement user = new view.usermanagement();user.Show();this.Close();}private void Window_Loaded_1(object sender, RoutedEventArgs e){string[] ports = SerialPort.GetPortNames();foreach (string port in ports){cb_port.Items.Add(port);}}SerialPort port;byte[] ip = new byte[2];private void Button_Click_1(object sender, RoutedEventArgs e){port = new SerialPort(cb_port.SelectedValue.ToString(), 38400);port.Open();port.DataReceived += datareceived;CurveCtr.DrawBackground();}private void datareceived(object sender, SerialDataReceivedEventArgs e){Thread.Sleep(20);int n = port.BytesToRead;if (n > 10){byte[] data = new byte[n];port.Read(data, 0, n);ip[0] = data[4];ip[1] = data[5];string content = Encoding.Default.GetString(data, 9, n - 11);string[] datas = content.Split(',');if (datas.Length == 1){int LED = int.Parse(datas[0].Remove(0, 3));Dispatcher.Invoke(() =>{if ((LED & 128) == 128){lb_led1.Content = "亮";bt_led1.Content = "关";}else{lb_led1.Content = "灭";bt_led1.Content = "开";}if ((LED & 64) == 64){lb_led2.Content = "亮";bt_led2.Content = "关";}else{lb_led2.Content = "灭";bt_led2.Content = "开";}});}else{int LED = int.Parse(datas[7].Remove(0, 3));Dispatcher.Invoke(() =>{lb_message.Items.Add(content);lb_wd.Content = datas[0].Remove(0, 3);lb_sd.Content = datas[1].Remove(0, 3);lb_gzd.Content = datas[2].Remove(0, 3);Dispatcher.Invoke(new Action(() =>{double wd = Convert.ToDouble(datas[0].Remove(0, 3));double sd = Convert.ToDouble(datas[1].Remove(0, 3));double gzd = Convert.ToDouble(datas[2].Remove(0, 3));wdCurveCtr.DrawLine(wd);sdCurveCtr.DrawLine(sd);CurveCtr.DrawLine(gzd);}));if ((LED & 128) == 128){lb_led1.Content = "亮";bt_led1.Content = "关";}else{lb_led1.Content = "灭";bt_led1.Content = "开";}if ((LED & 64) == 64){lb_led2.Content = "亮";bt_led2.Content = "关";}else{lb_led2.Content = "灭";bt_led2.Content = "开";}});}}else{port.DiscardInBuffer();}}private void bt_led1_Click(object sender, RoutedEventArgs e){string cmd;if (bt_led1.Content.ToString() == "开"){cmd = "OD1=128";control(cmd);}else{cmd = "CD1=128";control(cmd);}}private void bt_led2_Click(object sender, RoutedEventArgs e){string cmd;if (bt_led2.Content.ToString() == "开"){cmd = "OD1=64";control(cmd);}else{cmd = "CD1=64";control(cmd);}}private void control(string cmd){string control = "{" + cmd + ",D1=?}";int lenght = control.Length + 10;byte[] data = new byte[lenght];data[0] = 0xFE;data[1] = byte.Parse((control.Length + 5).ToString());data[2] = 0x29;data[3] = 0x00;data[4] = 0x02;ip.CopyTo(data, 5);data[7] = 0x00;data[8] = 0x00;byte[] controls = Encoding.Default.GetBytes(control);controls.CopyTo(data, 9);byte jiaoyan = 0;for (int i = 1; i < lenght - 1; i++){jiaoyan ^= data[i];}data[lenght - 1] = jiaoyan;port.Write(data, 0, lenght);}private void Button_Click_3(object sender, RoutedEventArgs e){port.Close();}private void Button_Click_4(object sender, RoutedEventArgs e){record.delivermanagement deli = new record.delivermanagement();deli.Show();this.Close();}private void Button_Click_7(object sender, RoutedEventArgs e){record.housingmanagement deli = new record.housingmanagement();deli.Show();this.Close();}}
}

regist.xaml

<Window x:Class="goodsdb.view.regist"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.view"mc:Ignorable="d"Title="注册页面" Height="300" Width="360"><Grid><TextBox x:Name="username" HorizontalAlignment="Left" Margin="136,50,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><PasswordBox x:Name="password" HorizontalAlignment="Left"  Margin="136,89,0,0" VerticalAlignment="Top" Width="120"/><PasswordBox x:Name="passwordtest" HorizontalAlignment="Left"  Margin="136,120,0,0" VerticalAlignment="Top" Width="120"/><TextBlock HorizontalAlignment="Left" Margin="69,51,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="用户名："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="68,88,0,0" TextWrapping="Wrap" VerticalAlignment="Top"><Run Language="zh-cn" Text="密码："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="70,120,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Text="确认密码："/><Button Content="注册" HorizontalAlignment="Left" Margin="99,177,0,0" VerticalAlignment="Top" Click="Button_Click" Height="20" Width="40"/><Button Content="取消" HorizontalAlignment="Left" Margin="185,176,0,0" VerticalAlignment="Top" Click="Button_Click_1" Height="20" Width="40"/></Grid>
</Window>

regist.xaml.cs

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.view
{/// <summary>/// regist.xaml 的交互逻辑/// </summary>public partial class regist : Window{public regist(){InitializeComponent();}private void Button_Click(object sender, RoutedEventArgs e){if (username.Text != "" | password.Password != "" | passwordtest.Password != ""){if (password.Password == passwordtest.Password){string user = username.Text;string pwd = password.Password;string sql1 = "select * from user_t where username='" + user + "'";string sql2 = "insert into user_t(username,password) values('" + user + "','" + pwd + "')";string sql = "Address=localhost;Database=commoditydb;integrated security=SSPI";SqlConnection connection = new SqlConnection();try{connection.ConnectionString = sql;connection.Open();//MessageBox.Show("连接到数据库！");}catch (Exception ex){MessageBox.Show("错误信息：" + ex.Message, "无法连接到数据库！");}SqlCommand command = new SqlCommand(sql1, connection);command.ExecuteNonQuery();//object Result = command.ExecuteScalar();//string result = command.ExecuteScalar().ToString();if (command.ExecuteScalar() == null){SqlCommand command1 = new SqlCommand(sql2, connection);command1.ExecuteNonQuery();MessageBox.Show(user + "  : 注册成功！");connection.Close();this.Close();}else{MessageBox.Show("用户已存在！");}}else{MessageBox.Show("密码不一致，请重新输入！");}}else{MessageBox.Show("输入不能为空！");}}private void Button_Click_1(object sender, RoutedEventArgs e){this.Close();}}
}

updatauser.xaml

<Window x:Class="goodsdb.view.updatauser"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.view"mc:Ignorable="d"Title="修改用户" Height="300" Width="360"><Grid><TextBox x:Name="id" HorizontalAlignment="Left" Margin="147,62,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120" IsReadOnly="True"/><TextBox x:Name="username" HorizontalAlignment="Left" Margin="147,87,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><PasswordBox x:Name="password" HorizontalAlignment="Left"  Margin="147,116,0,0" VerticalAlignment="Top" Width="120"/><TextBlock HorizontalAlignment="Left" Margin="80,88,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="用户名："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="79,115,0,0" TextWrapping="Wrap" VerticalAlignment="Top"><Run Language="zh-cn" Text="密码："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="80,63,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="序号："/></TextBlock><Button Content="提交修改" HorizontalAlignment="Left" Margin="152,193,0,0" VerticalAlignment="Top" Click="Button_Click"/></Grid>
</Window>

updatauser.xaml.cs

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.view
{/// <summary>/// updatauser.xaml 的交互逻辑/// </summary>public partial class updatauser : Window{public updatauser(string id, string username, string password){InitializeComponent();this.id.Text = id;this.username.Text = username;this.password.Password = password;}private void Button_Click(object sender, RoutedEventArgs e){SqlConnection connection = new SqlConnection("Address=localhost; Database=commoditydb;integrated security=SSPI");connection.Open();string sqlstr = "update user_t set username='" + username.Text + "',password='" + password.Password + "' where id='" + id.Text + "'";SqlCommand command = new SqlCommand(sqlstr, connection);command.ExecuteNonQuery();MessageBox.Show("修改成功！");view.usermanagement user = new view.usermanagement();user.Show();this.Close();}}
}

usermanagement.xaml

<Window x:Class="goodsdb.view.usermanagement"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.view"mc:Ignorable="d"Title="用户管理" Height="450" Width="800"><Grid><DataGrid x:Name="dg" Margin="144,65,143,66" AutoGenerateColumns="False" CanUserAddRows="False" CanUserDeleteRows="False" ><DataGrid.Columns><DataGridTextColumn Header="序号：" Width="100" Binding="{Binding id}"/><DataGridTextColumn Header="用户名：" Width="100" Binding="{Binding username}"/><DataGridTextColumn Header="密码：" Width="100" Binding="{Binding password}"/></DataGrid.Columns></DataGrid><Button Content="返回" HorizontalAlignment="Left" Margin="642,387,0,0" VerticalAlignment="Top" Click="Button_Click" Width="56" Height="26"/><Button Content="修改" HorizontalAlignment="Left" Margin="115,384,0,0" VerticalAlignment="Top" Click="Button_Click_2" Width="56" Height="26"/><Button Content="删除" HorizontalAlignment="Left" Margin="374,389,0,0" VerticalAlignment="Top" Click="Button_Click_3" Width="56" Height="26"/><Label Content="用户管理" HorizontalAlignment="Left" Margin="335,20,0,0" VerticalAlignment="Top" FontSize="20" RenderTransformOrigin="0.026,0.272"/></Grid>
</Window>

usermanagement.xaml.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.view
{/// <summary>/// goods.xaml 的交互逻辑/// </summary>public partial class usermanagement : Window{public usermanagement(){InitializeComponent();SqlDataAdapter da = new SqlDataAdapter("select *  from user_t", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);//DataRow dr = dt.NewRow();//dr["id"] = 9;//dr[1] = 9;//dr[2] = 9;//dr[3] = 9;//dt.Rows.Add(dr);dg.ItemsSource = dt.DefaultView;        //表单显示//da.Update(dt);}private void Button_Click(object sender, RoutedEventArgs e){view.main main = new view.main();main.Show();this.Close();}private void Button_Click_3(object sender, RoutedEventArgs e){if (dg.SelectedItem != null){DataRowView dr = (DataRowView)dg.SelectedItem;string username = dr[1].ToString();SqlConnection connection = new SqlConnection("Address=localhost; Database=commoditydb;integrated security=SSPI");connection.Open();string sqlstr = "delete user_t where username='" + username + "'";SqlCommand command = new SqlCommand(sqlstr, connection);command.ExecuteNonQuery();MessageBox.Show("删除成功！");SqlDataAdapter da = new SqlDataAdapter("select *  from user_t", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);dg.ItemsSource = dt.DefaultView;        //表单显示}else{MessageBox.Show("删除数据未选中！");}}private void Button_Click_2(object sender, RoutedEventArgs e){if (dg.SelectedItem != null){DataRowView dr = (DataRowView)dg.SelectedItem;string id = dr[0].ToString();string username = dr[1].ToString();string password = dr[2].ToString();view.updatauser win4 = new view.updatauser(id, username, password);win4.Show();this.Close();}else{MessageBox.Show("修改数据未选中！");}}}
}

CurveControl.xaml

<UserControl x:Class="goodsdb.tu.CurveControl"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:local="clr-namespace:goodsdb.tu"mc:Ignorable="d" d:DesignHeight="220" d:DesignWidth="150"  Loaded="UserControl_Loaded_1"><Grid><Canvas x:Name="grdBackground" Height="200" Width="150" HorizontalAlignment="Center" VerticalAlignment="Center" Background="#012F59"></Canvas><Grid x:Name="grdMain" Height="200" Width="150" HorizontalAlignment="Center" VerticalAlignment="Center" Background="Transparent"></Grid></Grid>
</UserControl>

CurveControl.xaml.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;namespace goodsdb.tu
{/// <summary>/// CurveControl.xaml 的交互逻辑/// </summary>public partial class CurveControl : UserControl{public CurveControl(){InitializeComponent();}#region 绘制折线/// <summary>/// X轴步长（两个顶点点X轴的距离）/// </summary>public int StepLength = 20;/// <summary>/// 顶点最多个数/// </summary>public int MaxCount = 8;/// <summary>/// 最大量程/// </summary>public int MaxReg = 150;/// <summary>/// 最小量程/// </summary>public int MinReg = 0;//底部数字列表List<TextBlock> listBottom = new List<TextBlock>();//折线图Polyline pline = new Polyline();/// <summary>/// 画线/// </summary>/// <param name="Y2">线段终点Y轴坐标</param>public void DrawLine(double Y2){//将值转换为图上坐标Y2 = grdMain.Height - (grdMain.Height / (MaxReg - MinReg)) * (Y2 - MinReg);//判断折线图顶点集合个数是否大于0if (pline.Points.Count > 0){//向折线图顶点集合添加新线段终点坐标pline.Points.Add(new Point((pline.Points[pline.Points.Count - 1].X + StepLength), Y2));//判断顶点集合个数是否超过最大个数if (MaxCount + 1 < pline.Points.Count){//将曲线及下方数字往左移动//删除第一个点pline.Points.Remove(pline.Points[0]);int ForLen = (pline.Points.Count > listBottom.Count) ? pline.Points.Count : listBottom.Count;//将点击数字往左移动一位for (int i = 0; i < ForLen; i++){if (i < pline.Points.Count){//将顶点的X轴坐标减去步长pline.Points[i] = new Point(pline.Points[i].X - StepLength, pline.Points[i].Y);}if (i < listBottom.Count){listBottom[i].Text = (int.Parse(listBottom[i].Text) + 1).ToString();}}}}else{//第一次添加顶点//设置线条颜色pline.Stroke = new SolidColorBrush(Colors.White);//设置线条宽度pline.StrokeThickness = 1;//添加第一个点pline.Points.Add(new Point(0, Y2));//将折线控件作为子控件添加到界面this.grdMain.Children.Add(pline);}}/// <summary>/// 绘制背景/// </summary>public void DrawBackground(){//清空grdBackground.Children.Clear();listBottom.Clear();ClearLines();//==============绘制底部数字及绘制Y轴方向直线//计算顶点最大个数MaxCount = (int)(grdBackground.Width / StepLength);for (int i = 1; i <= MaxCount; i++){//绘制Y轴直线Line line = new Line();//设置开始坐标及终点坐标line.X1 = StepLength * i;line.X2 = StepLength * i;line.Y1 = 0;line.Y2 = grdBackground.Height;Color color = new Color();color.R = 20;color.G = 80;color.B = 136;color.A = 100;//设置线条颜色line.Stroke = new SolidColorBrush(color);//设置线条宽度line.StrokeThickness = 2;//绘制下方数字TextBlock tb = new TextBlock();//设置字体颜色tb.Foreground = new SolidColorBrush(Colors.Red);//数字tb.Text = "" + i;//显示界面grdBackground.Children.Add(tb);grdBackground.Children.Add(line);//添加到全局变量listBottom.Add(tb);//设置坐标Canvas.SetBottom(tb, 0);Canvas.SetLeft(tb, StepLength * i);}//==============绘制左侧数字及绘制X轴方向直线（大概原理同上）for (int i = MinReg; i <= MaxReg; i+=15){Line line = new Line();line.X1 = 0;line.X2 = grdBackground.Width;//grdMain.Height - (grdMain.Height / (MaxReg-MinReg)) * Y2line.Y1 = grdMain.Height - (grdMain.Height / (MaxReg - MinReg)) * (i - MinReg);line.Y2 = grdMain.Height - (grdMain.Height / (MaxReg - MinReg)) * (i - MinReg);Color color = new Color();color.R = 20;color.G = 80;color.B = 136;color.A = 100;line.Stroke = new SolidColorBrush(color);line.StrokeThickness = 2;TextBlock tb = new TextBlock();tb.Foreground = new SolidColorBrush(Colors.Red);tb.Text = "" + i;grdBackground.Children.Add(tb);grdBackground.Children.Add(line);//  listBottom.Add(tb);Canvas.SetTop(tb, grdMain.Height - (grdMain.Height / (MaxReg - MinReg)) * (i - MinReg));Canvas.SetLeft(tb, 0);}//设置线条颜色pline.Stroke = new SolidColorBrush(Colors.Red);//设置线条宽度pline.StrokeThickness = 1;//添加第一个点pline.Points.Add(new Point(0, this.grdMain.Height));//将折线控件作为子控件添加到界面this.grdMain.Children.Add(pline);}/// <summary>/// 清空折线/// </summary>public void ClearLines(){//清空柱状集合pline.Points.Clear();//清空界面this.grdMain.Children.Clear();}#endregionprivate void UserControl_Loaded_1(object sender, RoutedEventArgs e){DrawBackground();}}
}

CurveWindow.xaml

<Window x:Class="goodsdb.tu.CurveWindow"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.tu"mc:Ignorable="d"Title="曲线图" Height="240" Width="440" Loaded="Window_Loaded_1" Closing="Window_Closing_1"><Grid><Canvas x:Name="grdBackground" Height="220" Width="440" HorizontalAlignment="Center" VerticalAlignment="Center" Background="#012F59"></Canvas><Grid x:Name="grdMain" Height="220" Width="440" HorizontalAlignment="Center" VerticalAlignment="Center" Background="Transparent"></Grid></Grid>
</Window>

CurveWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.tu
{/// <summary>/// CurveWindow.xaml 的交互逻辑/// </summary>public partial class CurveWindow : Window{public CurveWindow(){InitializeComponent();}Thread timer;private void Window_Loaded_1(object sender, RoutedEventArgs e){DrawBackground();timer = new Thread(new ThreadStart(() =>{Random rd = new Random();while (true){try{Dispatcher.Invoke(new Action(() =>{double d = rd.Next(MinReg, MaxReg);DrawLine(d);Console.WriteLine(d + "");}));}catch (Exception){}Thread.Sleep(700);}}));timer.Start();}private void Window_Closing_1(object sender, System.ComponentModel.CancelEventArgs e){timer.Abort();timer = null;}#region 绘制折线int StepLength = 20;//X轴步长（两个顶点点X轴的距离）int MaxCount = 8;//顶点最多个数int MaxReg = 30;//最大量程‘int MinReg = 20;//最大量程//底部数字列表List<TextBlock> listBottom = new List<TextBlock>();//折线图Polyline pline = new Polyline();/// <summary>/// 画线/// </summary>/// <param name="Y2">线段终点Y轴坐标</param>private void DrawLine(double Y2){//将值转换为图上坐标Y2 = grdMain.Height - (grdMain.Height / (MaxReg - MinReg)) * (Y2 - MinReg);//判断折线图顶点集合个数是否大于0if (pline.Points.Count > 0){//向折线图顶点集合添加新线段终点坐标pline.Points.Add(new Point((pline.Points[pline.Points.Count - 1].X + StepLength), Y2));//判断顶点集合个数是否超过最大个数if (MaxCount + 1 < pline.Points.Count){//将曲线及下方数字往左移动//删除第一个点pline.Points.Remove(pline.Points[0]);int ForLen = (pline.Points.Count > listBottom.Count) ? pline.Points.Count : listBottom.Count;//将点击数字往左移动一位for (int i = 0; i < ForLen; i++){if (i < pline.Points.Count){//将顶点的X轴坐标减去步长pline.Points[i] = new Point(pline.Points[i].X - StepLength, pline.Points[i].Y);}if (i < listBottom.Count){listBottom[i].Text = (int.Parse(listBottom[i].Text) + 1).ToString();}}}}else{//第一次添加顶点//设置线条颜色pline.Stroke = new SolidColorBrush(Colors.Red);//设置线条宽度pline.StrokeThickness = 1;//添加第一个点pline.Points.Add(new Point(0, Y2));//将折线控件作为子控件添加到界面this.grdMain.Children.Add(pline);}return;//=====================第二种写法===================Line line = new Line();double X1 = 0;double Y1 = grdMain.Height;if (grdMain.Children.Count > 0){Line uPLine = (Line)grdMain.Children[grdMain.Children.Count - 1];X1 = uPLine.X2; Y1 = uPLine.Y2;if (X1 + StepLength > grdMain.Width){grdMain.Children.Remove(grdMain.Children[0]);int ForLen = (grdMain.Children.Count > listBottom.Count) ? grdMain.Children.Count : listBottom.Count;for (int i = 0; i < ForLen; i++){if (i < grdMain.Children.Count){((Line)grdMain.Children[i]).X1 = ((Line)grdMain.Children[i]).X1 - StepLength;((Line)grdMain.Children[i]).X2 = ((Line)grdMain.Children[i]).X2 - StepLength;}if (i < listBottom.Count){listBottom[i].Text = (int.Parse(listBottom[i].Text) + 1).ToString();}}X1 = X1 - StepLength;}}line.X1 = X1;line.Y1 = Y1;X1 += StepLength;line.X2 = X1;line.Y2 = (grdMain.Height - (grdMain.Height / MaxReg) * Y2);Y1 = line.Y2;X1 = line.X2;line.Stroke = new SolidColorBrush(Colors.Red);line.StrokeThickness = 1;this.grdMain.Children.Add(line);}/// <summary>/// 绘制背景/// </summary>private void DrawBackground(){//==============绘制底部数字及绘制Y轴方向直线//计算顶点最大个数MaxCount = (int)(grdBackground.Width / StepLength);for (int i = 1; i <= MaxCount; i++){//绘制Y轴直线Line line = new Line();//设置开始坐标及终点坐标line.X1 = StepLength * i;line.X2 = StepLength * i;line.Y1 = 0;line.Y2 = grdBackground.Height;Color color = new Color();color.R = 20;color.G = 80;color.B = 136;color.A = 100;//设置线条颜色line.Stroke = new SolidColorBrush(color);//设置线条宽度line.StrokeThickness = 2;//绘制下方数字TextBlock tb = new TextBlock();//设置字体颜色tb.Foreground = new SolidColorBrush(Colors.Red);//数字tb.Text = "" + i;//显示界面grdBackground.Children.Add(tb);grdBackground.Children.Add(line);//添加到全局变量listBottom.Add(tb);//设置坐标Canvas.SetBottom(tb, 0);Canvas.SetLeft(tb, StepLength * i);}//==============绘制左侧数字及绘制X轴方向直线（大概原理同上）for (int i = MinReg; i <= MaxReg; i++){Line line = new Line();line.X1 = 0;line.X2 = grdBackground.Width;//grdMain.Height - (grdMain.Height / (MaxReg-MinReg)) * Y2line.Y1 = grdMain.Height - (grdMain.Height / (MaxReg - MinReg)) * (i - MinReg);line.Y2 = grdMain.Height - (grdMain.Height / (MaxReg - MinReg)) * (i - MinReg);Color color = new Color();color.R = 20;color.G = 80;color.B = 136;color.A = 100;line.Stroke = new SolidColorBrush(color);line.StrokeThickness = 2;TextBlock tb = new TextBlock();tb.Foreground = new SolidColorBrush(Colors.Red);tb.Text = "" + i;grdBackground.Children.Add(tb);grdBackground.Children.Add(line);//  listBottom.Add(tb);Canvas.SetTop(tb, grdMain.Height - (grdMain.Height / (MaxReg - MinReg)) * (i - MinReg));Canvas.SetLeft(tb, 0);}//设置线条颜色pline.Stroke = new SolidColorBrush(Colors.Red);//设置线条宽度pline.StrokeThickness = 1;//添加第一个点pline.Points.Add(new Point(0, this.grdMain.Height));//将折线控件作为子控件添加到界面this.grdMain.Children.Add(pline);}#endregion}
}

delivermanagement.xaml

<Window x:Class="goodsdb.record.delivermanagement"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.record"mc:Ignorable="d"Title="入库管理" Height="450" Width="800"><Grid><DataGrid x:Name="dg" Margin="116,105,116,70" AutoGenerateColumns="False" CanUserAddRows="False" CanUserDeleteRows="False" ><DataGrid.Columns><DataGridTextColumn Header="序号：" Width="60" Binding="{Binding id}"/><DataGridTextColumn Header="商品名：" Width="100" Binding="{Binding commoditysn}"/><DataGridTextColumn Header="入库数量：" Width="80" Binding="{Binding deliverynumber}"/><DataGridTextColumn Header="入库时间：" Width="200" Binding="{Binding deliverytime}"/></DataGrid.Columns></DataGrid><Button Content="返回" HorizontalAlignment="Left" Margin="588,386,0,0" VerticalAlignment="Top" Click="Button_Click" Width="56" Height="26"/><Button Content="删除" HorizontalAlignment="Left" Margin="141,387,0,0" VerticalAlignment="Top" Click="Button_Click_3" Width="56" Height="26"/><Label Content="入库记录表" HorizontalAlignment="Left" Margin="343,18,0,0" VerticalAlignment="Top" FontSize="20" RenderTransformOrigin="0.026,0.272"/><Button Content="入库" HorizontalAlignment="Left" Margin="529,66,0,0" VerticalAlignment="Top" Width="50" Height="25" Click="Button_Click_1"/><ComboBox x:Name="tradenamecomboBox" HorizontalAlignment="Left" Margin="173,69,0,0" VerticalAlignment="Top" Width="120" Loaded="name_Loaded"/><TextBox x:Name="number" HorizontalAlignment="Left"  Margin="371,71,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBlock HorizontalAlignment="Left" Margin="115,70,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="商品名："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="328,70,0,0" TextWrapping="Wrap" VerticalAlignment="Top"><Run Language="zh-cn" Text="数量："/></TextBlock></Grid>
</Window>

delivermanagement.xaml.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.record
{/// <summary>/// delivermanagement.xaml 的交互逻辑/// </summary>public partial class delivermanagement : Window{public delivermanagement(){InitializeComponent();SqlDataAdapter da = new SqlDataAdapter("select *  from [delivery_record_t]", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);dg.ItemsSource = dt.DefaultView;        //表单显示}private void Button_Click(object sender, RoutedEventArgs e){view.main main = new view.main();main.Show();this.Close();}private void Button_Click_3(object sender, RoutedEventArgs e){if (dg.SelectedItem != null){DataRowView dr = (DataRowView)dg.SelectedItem;string id = dr[0].ToString();SqlConnection connection = new SqlConnection("Address=localhost; Database=commoditydb;integrated security=SSPI");connection.Open();string sqlstr = "delete [delivery_record_t] where id='" + id + "'";SqlCommand command = new SqlCommand(sqlstr, connection);command.ExecuteNonQuery();MessageBox.Show("删除成功！");SqlDataAdapter da = new SqlDataAdapter("select *  from delivery_record_t", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);dg.ItemsSource = dt.DefaultView;        //表单显示}else{MessageBox.Show("删除数据未选中！");}}private void Button_Click_1(object sender, RoutedEventArgs e){if (number.Text != "" | tradenamecomboBox.Text != ""){string sql3 = "update commodity_information_t set stocknumber=stocknumber + '" + number.Text + "'where tradename = '" + tradenamecomboBox.Text + "'";string sql2 = "insert into [delivery_record_t] (commoditysn,deliverynumber) values('" + tradenamecomboBox.Text + "','" + number.Text + "')";string sql = "Address=localhost;Database=commoditydb;integrated security=SSPI";SqlConnection connection = new SqlConnection();try{connection.ConnectionString = sql;connection.Open();//MessageBox.Show("连接到数据库！");}catch (Exception ex){MessageBox.Show("错误信息：" + ex.Message, "无法连接到数据库！");}SqlCommand command = new SqlCommand(sql3, connection);command.ExecuteNonQuery();SqlCommand command1 = new SqlCommand(sql2, connection);command1.ExecuteNonQuery();MessageBox.Show(tradenamecomboBox.Text + "  : 入库成功！");SqlDataAdapter da = new SqlDataAdapter("select *  from delivery_record_t", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);dg.ItemsSource = dt.DefaultView;        //表单显示connection.Close();}else{MessageBox.Show("数量不能为空！");}}private void name_Loaded(object sender, RoutedEventArgs e){SqlConnection connection = new SqlConnection("Address=localhost; Database=commoditydb;integrated security=SSPI");connection.Open();string sqlstr = "select tradename from [commodity_information_t]";SqlCommand com = new SqlCommand(sqlstr, connection);SqlDataReader dr = com.ExecuteReader();while (dr.Read()){tradenamecomboBox.Items.Add(dr["tradename".ToString()]);}dr.Close();connection.Close();}}
}

housingmanagement.xaml

<Window x:Class="goodsdb.record.housingmanagement"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.record"mc:Ignorable="d"Title="出库管理" Height="450" Width="800"><Grid><DataGrid x:Name="dg" Margin="116,105,116,70" AutoGenerateColumns="False" CanUserAddRows="False" CanUserDeleteRows="False" ><DataGrid.Columns><DataGridTextColumn Header="序号：" Width="60" Binding="{Binding id}"/><DataGridTextColumn Header="商品名：" Width="100" Binding="{Binding commoditysn}"/><DataGridTextColumn Header="出库数量：" Width="80" Binding="{Binding warehousingnumber}"/><DataGridTextColumn Header="出库时间：" Width="200" Binding="{Binding warehousingtime}"/></DataGrid.Columns></DataGrid><Button Content="返回" HorizontalAlignment="Left" Margin="588,386,0,0" VerticalAlignment="Top" Click="Button_Click" Width="56" Height="26"/><Button Content="删除" HorizontalAlignment="Left" Margin="141,387,0,0" VerticalAlignment="Top" Click="Button_Click_3" Width="56" Height="26"/><Label Content="出库记录表" HorizontalAlignment="Left" Margin="343,18,0,0" VerticalAlignment="Top" FontSize="20" RenderTransformOrigin="0.026,0.272"/><Button Content="出库" HorizontalAlignment="Left" Margin="529,66,0,0" VerticalAlignment="Top" Width="50" Height="25" Click="Button_Click_1"/><ComboBox x:Name="tradenamecomboBox" HorizontalAlignment="Left" Margin="173,69,0,0" VerticalAlignment="Top" Width="120" Loaded="name_Loaded"/><TextBox x:Name="number" HorizontalAlignment="Left"  Margin="371,71,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBlock HorizontalAlignment="Left" Margin="115,70,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="商品名："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="328,70,0,0" TextWrapping="Wrap" VerticalAlignment="Top"><Run Language="zh-cn" Text="数量："/></TextBlock></Grid>
</Window>

housingmanagement.xaml.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.record
{/// <summary>/// housingmanagement.xaml 的交互逻辑/// </summary>public partial class housingmanagement : Window{public housingmanagement(){InitializeComponent();SqlDataAdapter da = new SqlDataAdapter("select *  from [warehousing_record_t]", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);dg.ItemsSource = dt.DefaultView;        //表单显示}private void Button_Click(object sender, RoutedEventArgs e){view.main main = new view.main();main.Show();this.Close();}private void Button_Click_3(object sender, RoutedEventArgs e){if (dg.SelectedItem != null){DataRowView dr = (DataRowView)dg.SelectedItem;string id = dr[0].ToString();SqlConnection connection = new SqlConnection("Address=localhost; Database=commoditydb;integrated security=SSPI");connection.Open();string sqlstr = "delete [warehousing_record_t] where id='" + id + "'";SqlCommand command = new SqlCommand(sqlstr, connection);command.ExecuteNonQuery();MessageBox.Show("删除成功！");SqlDataAdapter da = new SqlDataAdapter("select *  from [warehousing_record_t]", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);dg.ItemsSource = dt.DefaultView;        //表单显示}else{MessageBox.Show("删除数据未选中！");}}private void Button_Click_1(object sender, RoutedEventArgs e){if (number.Text != "" | tradenamecomboBox.Text != ""){string sql3 = "update commodity_information_t set stocknumber=stocknumber - '" + number.Text + "'where tradename = '" + tradenamecomboBox.Text + "'";string sql2 = "insert into [warehousing_record_t] (commoditysn,warehousingnumber) values('" + tradenamecomboBox.Text + "','" + number.Text + "')";string sql = "Address=localhost;Database=commoditydb;integrated security=SSPI";SqlConnection connection = new SqlConnection();try{connection.ConnectionString = sql;connection.Open();//MessageBox.Show("连接到数据库！");}catch (Exception ex){MessageBox.Show("错误信息：" + ex.Message, "无法连接到数据库！");}string sql4 = "select tradename from commodity_information_t where stocknumber>='" + number.Text + "' and tradename='"+tradenamecomboBox.Text+"'";SqlCommand command3 = new SqlCommand(sql4, connection);command3.ExecuteNonQuery();if (command3.ExecuteScalar() != null) {SqlCommand command = new SqlCommand(sql3, connection);command.ExecuteNonQuery();SqlCommand command1 = new SqlCommand(sql2, connection);command1.ExecuteNonQuery();MessageBox.Show(tradenamecomboBox.Text + "  : 出库成功！");SqlDataAdapter da = new SqlDataAdapter("select *  from [warehousing_record_t]", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);dg.ItemsSource = dt.DefaultView;        //表单显示connection.Close();}else {MessageBox.Show(tradenamecomboBox.Text+"库存不足！请查看库存！");}}else{MessageBox.Show("数量不能为空！");}}private void name_Loaded(object sender, RoutedEventArgs e){SqlConnection connection = new SqlConnection("Address=localhost; Database=commoditydb;integrated security=SSPI");connection.Open();string sqlstr = "select tradename from [commodity_information_t]";SqlCommand com = new SqlCommand(sqlstr, connection);SqlDataReader dr = com.ExecuteReader();while (dr.Read()){tradenamecomboBox.Items.Add(dr["tradename".ToString()]);}dr.Close();connection.Close();}}
}

addgood.xaml

<Window x:Class="goodsdb.commodity.addgood"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.commodity"mc:Ignorable="d"Title="添加商品" Height="450" Width="800"><Grid><TextBox x:Name="tradename" HorizontalAlignment="Left" Margin="385,101,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBox x:Name="brand" HorizontalAlignment="Left"  Margin="385,130,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBlock HorizontalAlignment="Left" Margin="318,102,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="商品名："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="318,129,0,0" TextWrapping="Wrap" VerticalAlignment="Top"><Run Language="zh-cn" Text="品牌："/></TextBlock><Button Content="添加" HorizontalAlignment="Left" Margin="330,318,0,0" VerticalAlignment="Top" Click="Button_Click_1" Height="22" Width="51"/><TextBox x:Name="productspecifications" HorizontalAlignment="Left" Margin="384,161,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBox x:Name="supplier" HorizontalAlignment="Left" Margin="384,194,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBox x:Name="stocknumber" HorizontalAlignment="Left" Margin="384,226,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBox x:Name="earlywarningnumber" HorizontalAlignment="Left" Margin="384,252,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBlock HorizontalAlignment="Left" Margin="318,162,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="商品规格："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="318,194,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="供货商："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="318,227,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="库存数量："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="318,254,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="预警数量："/></TextBlock><Button Content="取消" HorizontalAlignment="Left" Margin="439,318,0,0" VerticalAlignment="Top"  Height="22" Width="51" Click="Button_Click"/></Grid>
</Window>

addgood.xaml.cs

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.commodity
{/// <summary>/// addgood.xaml 的交互逻辑/// </summary>public partial class addgood : Window{public addgood(){InitializeComponent();}private void Button_Click(object sender, RoutedEventArgs e){commodity.goodsmanagement goods = new commodity.goodsmanagement();goods.Show();this.Close();}private void Button_Click_1(object sender, RoutedEventArgs e){if (tradename.Text != "" | brand.Text != "" | productspecifications.Text != "" | supplier.Text != "" | stocknumber.Text != "" | earlywarningnumber.Text != ""){string sql2 = "insert into commodity_information_t(tradename,brand,productspecifications,supplier,stocknumber,earlywarningnumber) values('" + tradename.Text + "','" + brand.Text + "','" + productspecifications.Text + "','" + supplier.Text + "','" + stocknumber.Text + "','" + earlywarningnumber.Text + "')";string sql = "Address=localhost;Database=commoditydb;integrated security=SSPI";SqlConnection connection = new SqlConnection();try{connection.ConnectionString = sql;connection.Open();//MessageBox.Show("连接到数据库！");}catch (Exception ex){MessageBox.Show("错误信息：" + ex.Message, "无法连接到数据库！");}SqlCommand command1 = new SqlCommand(sql2, connection);command1.ExecuteNonQuery();MessageBox.Show(tradename.Text + "  : 添加成功！");commodity.goodsmanagement goods = new commodity.goodsmanagement();goods.Show();this.Close();}else{MessageBox.Show("输入不能为空！");}}}
}

goodsmanagement.xaml

<Window x:Class="goodsdb.commodity.goodsmanagement"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.commodity"mc:Ignorable="d"Title="商品管理" Height="450" Width="800"><Grid><DataGrid x:Name="dg" Margin="38,62,44,70" AutoGenerateColumns="False" CanUserAddRows="False" CanUserDeleteRows="False" ><DataGrid.Columns><DataGridTextColumn Header="序号：" Width="60" Binding="{Binding id}"/><DataGridTextColumn Header="商品名：" Width="100" Binding="{Binding tradename}"/><DataGridTextColumn Header="品牌：" Width="100" Binding="{Binding brand}"/><DataGridTextColumn Header="商品规格：" Width="100" Binding="{Binding productspecifications}"/><DataGridTextColumn Header="供货商：" Width="100" Binding="{Binding supplier}"/><DataGridTextColumn Header="库存数量：" Width="80" Binding="{Binding stocknumber}"/></DataGrid.Columns></DataGrid><Button Content="返回" HorizontalAlignment="Left" Margin="642,387,0,0" VerticalAlignment="Top" Click="Button_Click" Width="56" Height="26"/><Button Content="修改" HorizontalAlignment="Left" Margin="276,390,0,0" VerticalAlignment="Top" Click="Button_Click_2" Width="56" Height="26"/><Button Content="删除" HorizontalAlignment="Left" Margin="467,389,0,0" VerticalAlignment="Top" Click="Button_Click_3" Width="56" Height="26"/><Label Content="商品管理" HorizontalAlignment="Left" Margin="343,18,0,0" VerticalAlignment="Top" FontSize="20" RenderTransformOrigin="0.026,0.272"/><Button Content="添加" HorizontalAlignment="Left" Margin="106,390,0,0" VerticalAlignment="Top" Click="Button_Click_1" Width="56" Height="26"/></Grid>
</Window>

goodsmanagement.xaml.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.commodity
{/// <summary>/// goodsmanagement.xaml 的交互逻辑/// </summary>public partial class goodsmanagement : Window{public goodsmanagement(){InitializeComponent();SqlDataAdapter da = new SqlDataAdapter("select *  from commodity_information_t", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);dg.ItemsSource = dt.DefaultView;        //表单显示}private void Button_Click(object sender, RoutedEventArgs e){view.main main = new view.main();main.Show();this.Close();}private void Button_Click_3(object sender, RoutedEventArgs e){if (dg.SelectedItem != null){DataRowView dr = (DataRowView)dg.SelectedItem;string tradename = dr[1].ToString();string stocknumber = dr[5].ToString();if (stocknumber == "0"){SqlConnection connection = new SqlConnection("Address=localhost; Database=commoditydb;integrated security=SSPI");connection.Open();string sqlstr = "delete [commodity_information_t] where tradename='" + tradename + "'";SqlCommand command = new SqlCommand(sqlstr, connection);command.ExecuteNonQuery();MessageBox.Show("删除成功！");SqlDataAdapter da = new SqlDataAdapter("select *  from commodity_information_t", "Server=localhost;Database=commoditydb;integrated security=SSPI");DataTable dt = new DataTable();da.Fill(dt);dg.ItemsSource = dt.DefaultView;        //表单显示}else{MessageBox.Show("库存大于0，不可操作！");}}else{MessageBox.Show("删除数据未选中！");}}private void Button_Click_2(object sender, RoutedEventArgs e){if (dg.SelectedItem != null){DataRowView dr = (DataRowView)dg.SelectedItem;string id = dr[0].ToString();string stock = dr[5].ToString();if (stock == "0"){string tradename = dr[1].ToString();string brand = dr[2].ToString();string productspecifications = dr[3].ToString();string supplier = dr[4].ToString();string stocknumber = dr[5].ToString();string earlywarningnumber = dr[6].ToString();commodity.updatagoods good = new updatagoods(id, tradename, brand, productspecifications, supplier, stocknumber, earlywarningnumber);good.Show();this.Close();}else{MessageBox.Show("库存大于0，不可操作！");}}else{MessageBox.Show("修改数据未选中！");}}private void Button_Click_1(object sender, RoutedEventArgs e){commodity.addgood good = new commodity.addgood();good.Show();this.Close();}}
}

updatagoods.xaml

<Window x:Class="goodsdb.commodity.updatagoods"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"xmlns:local="clr-namespace:goodsdb.commodity"mc:Ignorable="d"Title="修改商品" Height="400" Width="360"><Grid><TextBox x:Name="id" HorizontalAlignment="Left" Margin="147,62,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120" IsReadOnly="True"/><TextBox x:Name="tradename" HorizontalAlignment="Left" Margin="147,87,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBox x:Name="brand" HorizontalAlignment="Left"  Margin="147,116,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBlock HorizontalAlignment="Left" Margin="80,88,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="商品名："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="80,115,0,0" TextWrapping="Wrap" VerticalAlignment="Top"><Run Language="zh-cn" Text="品牌："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="80,63,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="序号："/></TextBlock><Button Content="提交修改" HorizontalAlignment="Left" Margin="103,298,0,0" VerticalAlignment="Top" Click="Button_Click" Height="21" Width="54"/><TextBox x:Name="productspecifications" HorizontalAlignment="Left" Margin="146,147,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBox x:Name="supplier" HorizontalAlignment="Left" Margin="146,180,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBox x:Name="stocknumber" HorizontalAlignment="Left" Margin="146,212,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBox x:Name="earlywarningnumber" HorizontalAlignment="Left" Margin="146,238,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/><TextBlock HorizontalAlignment="Left" Margin="80,148,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="商品规格："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="80,180,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="供货商："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="80,213,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="库存数量："/></TextBlock><TextBlock HorizontalAlignment="Left" Margin="80,240,0,0" TextWrapping="Wrap" VerticalAlignment="Top" RenderTransformOrigin="0.075,0.706"><Run Language="zh-cn" Text="预警数量："/></TextBlock><Button Content="取消" HorizontalAlignment="Left" Margin="206,297,0,0" VerticalAlignment="Top"  Height="21" Width="54" Click="Button_Click_1"/></Grid>
</Window>

updatagoods.xaml.cs

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;namespace goodsdb.commodity
{/// <summary>/// updatagoods.xaml 的交互逻辑/// </summary>public partial class updatagoods : Window{public updatagoods(string id, string tradename, string brand, string productspecifications, string supplier, string stocknumber, string earlywarningnumber){InitializeComponent();this.id.Text = id;this.tradename.Text = tradename;this.brand.Text = brand;this.productspecifications.Text = productspecifications;this.supplier.Text = supplier;this.stocknumber.Text = stocknumber;this.earlywarningnumber.Text = earlywarningnumber;}private void Button_Click(object sender, RoutedEventArgs e){SqlConnection connection = new SqlConnection("Address=localhost; Database=commoditydb;integrated security=SSPI");connection.Open();string sqlstr = "update commodity_information_t set tradename='" + tradename.Text + "',brand='" + brand.Text + "',productspecifications='" + productspecifications.Text + "'," +"supplier='" + supplier.Text + "',stocknumber='" + stocknumber.Text + "',earlywarningnumber='" + earlywarningnumber.Text + "' where id='" + id.Text + "'";SqlCommand command = new SqlCommand(sqlstr, connection);command.ExecuteNonQuery();MessageBox.Show("修改成功！");commodity.goodsmanagement goods = new commodity.goodsmanagement();goods.Show();this.Close();}private void Button_Click_1(object sender, RoutedEventArgs e){commodity.goodsmanagement goods = new commodity.goodsmanagement();goods.Show();this.Close();}}
}

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