public IdentifyUserForm()
{
InitializeComponent();
ProductClass newProduct1 = new ProductClass("Computer", 6199, 20);
ProductClass newProduct2 = new ProductClass("Phone", 4688, 30);
productList.Add(newProduct1);
productList.Add(newProduct2);
}
public IdentifyUserForm()
{
InitializeComponent();
ProductClass newProduct1 = new ProductClass("Computer", 6199, 20);
ProductClass newProduct2 = new ProductClass("Phone", 4688, 30);
productList.Add(newProduct1);
productList.Add(newProduct2);
}
public ModifyProductForm(List <ProductClass> productList)
{
InitializeComponent();
this.productList = productList;
for (int counter = 0; counter < productList.Count; counter++)
{
String productInformation = "";
ProductClass product = productList[counter];
productInformation += product.getProductName();
ProductItemsComboBox.Items.Add(productInformation); //初始化用户可修改的商品信息，以供用户选择
}
}
private void ProductForm_Load(object sender, EventArgs e)
{
String productInformation = "";
for (int counter = 0; counter < productList.Count; counter++)
{
ProductClass product = productList[counter];
productInformation += String.Format("{0,-13} {1,13:C} {2}", product.getProductName(),
product.getProductPrice(), product.getProductStock());
productInformation += "\r\n";
}
ProductInformationTextBox.Text = productInformation;
}
public ProductForm(List <ProductClass> productList)
{
InitializeComponent();
this.productList = productList;
String productInformation = "";
for (int counter = 0; counter < productList.Count; counter++)
{
ProductClass product = productList[counter];
productInformation += String.Format("{0,-13} {1,13:C} {2}", product.getProductName(),
product.getProductPrice(), product.getProductStock());
productInformation += "\r\n";
}
ProductInformationTextBox.Text = productInformation;
}
private void addCompletedButton_Click(object sender, EventArgs e)
{
ProductClass product;
String productName;
float productPrice;
int productStock;
if (newProductNameTextBox.Text == "" || newProductPriceTextBox.Text == "" || newProductStockTextBox.Text == "")
{
MessageBox.Show("You should input complete product information!");
}
else
{
productName = newProductNameTextBox.Text;
if (isPositiveNumber(newProductPriceTextBox.Text) == true) //对用户输入的产品价格数据的合法性进行验证
{
productPrice = Convert.ToSingle(newProductPriceTextBox.Text);
if (isPositiveInteger(newProductStockTextBox.Text) == true) //对用户输入的产品库存数据的合法性进行验证
{
productStock = Convert.ToInt32(newProductStockTextBox.Text);
product = new ProductClass(productName, productPrice, productStock);
productList.Add(product);
}
else
{
MessageBox.Show("The stock is invalid !\r\t The stock must be positive interger!\r\t Please input again!");
}
}
else
{
MessageBox.Show("The productPrice is invalid!\r\tThe price can't be negative number or letters!The price should only have one point!!\r\tPlease input again!");
}
}
this.Close();
}
public ShoppingForm(List <ProductClass> productList)
{
InitializeComponent();
this.productList = productList;
/*为1个查询商品框和5个购买商品可选框添加已有商品，以备用户选择购买*/
for (int counter = 0; counter < productList.Count; counter++)
{
String productInformation = "";
ProductClass product = productList[counter];
productInformation += String.Format("name:{0,-10}", product.getProductName());
productListTextBox.Text += productInformation;
QueryProductsInformationComboBox.Items.Add(productInformation);
productComboBox1.Items.Add(productInformation);
productComboBox2.Items.Add(productInformation);
productComboBox3.Items.Add(productInformation);
productComboBox4.Items.Add(productInformation);
productComboBox5.Items.Add(productInformation);
}
}
private void addCompletedButton_Click(object sender, EventArgs e)
{
ProductClass product;
String productName;
float productPrice;
int productStock;
if (newProductNameTextBox.Text == "" || newProductPriceTextBox.Text == "" || newProductStockTextBox.Text == "")
MessageBox.Show("You should input complete product information!");
else
{
productName = newProductNameTextBox.Text;
if (isPositiveNumber(newProductPriceTextBox.Text) == true) //对用户输入的产品价格数据的合法性进行验证
{
productPrice = Convert.ToSingle(newProductPriceTextBox.Text);
if (isPositiveInteger(newProductStockTextBox.Text) == true) //对用户输入的产品库存数据的合法性进行验证
{
productStock = Convert.ToInt32(newProductStockTextBox.Text);
product = new ProductClass(productName, productPrice, productStock);
productList.Add(product);
}
else
MessageBox.Show("The stock is invalid !\r\t The stock must be positive interger!\r\t Please input again!");
}
else
MessageBox.Show("The productPrice is invalid!\r\tThe price can't be negative number or letters!The price should only have one point!!\r\tPlease input again!");
}
this.Close();
}
private void CheckOutButton_Click(object sender, EventArgs e)
{
if (productComboBox1.SelectedIndex != -1)
{
if (QuantityTextBox1.Text == "")
{
MessageBox.Show("You have chosen a product bot not filling the quantity,please input the quantity");
}
else
{
int quantity;
String quantityString = QuantityTextBox1.Text;
if (isPositiveInteger(quantityString) == true) //对用户输入的购买商品数量的数据的合法性检验
{
quantity = Convert.ToInt32(quantityString);
if (quantity > productList[productComboBox1.SelectedIndex].getProductStock()) //判断用户输入购买数量是否已经超过购买商品的库存量
{
MessageBox.Show("the quantity(in the QuantityTextBox1) has over the products's stock! please input again!");
}
else
{
/*更新库存*/
productList[productComboBox1.SelectedIndex].setProductStock(productList[productComboBox1.SelectedIndex].getProductStock() - quantity);
float unitPrice = productList[productComboBox1.SelectedIndex].getProductPrice();
totalMoney += unitPrice * quantity; //计算当前用户购买商品的总价
}
}
else
{
MessageBox.Show("the data is invalid!\r\tthe quantity(in the textBox1) must be positive integer!\r\tplease input again!");
}
}
}
if (productComboBox2.SelectedIndex != -1)
{
if (QuantityTextBox2.Text == "")
{
MessageBox.Show("You have chosen a product bot not filling the quantity,please input the quantity");
}
else
{
int quantity;
String quantityString = QuantityTextBox2.Text;
if (isPositiveInteger(quantityString) == true)//对用户输入的购买商品数量的数据的合法性检验
{
quantity = Convert.ToInt32(quantityString);
if (quantity > productList[productComboBox2.SelectedIndex].getProductStock())//判断用户输入购买数量是否已经超过购买商品的库存量
{
MessageBox.Show("the quantity(in the QuantityTextBox2) has over the products's stock! please input again!");
}
else
{ /*更新库存*/
productList[productComboBox2.SelectedIndex].setProductStock(productList[productComboBox2.SelectedIndex].getProductStock() - quantity);
float unitPrice = productList[productComboBox2.SelectedIndex].getProductPrice();
totalMoney += unitPrice * quantity;//计算当前用户购买商品的总价
}
}
else
{
MessageBox.Show("the data is invalid!\r\tthe quantity(in the textBox2) must be positive integer!\r\tplease input again!");
}
}
}
if (productComboBox3.SelectedIndex != -1)
{
if (QuantityTextBox3.Text == "")
{
MessageBox.Show("You have chosen a product bot not filling the quantity,please input the quantity");
}
else
{
int quantity;
String quantityString = QuantityTextBox3.Text;
if (isPositiveInteger(quantityString) == true)//对用户输入的购买商品数量的数据的合法性检验
{
quantity = Convert.ToInt32(quantityString);
if (quantity > productList[productComboBox3.SelectedIndex].getProductStock())//判断用户输入购买数量是否已经超过购买商品的库存量
{
MessageBox.Show("the quantity(in the QuantityTextBox3) has over the products's stock! please input again!");
}
else
{ /*更新库存*/
productList[productComboBox3.SelectedIndex].setProductStock(productList[productComboBox3.SelectedIndex].getProductStock() - quantity);
float unitPrice = productList[productComboBox3.SelectedIndex].getProductPrice();
totalMoney += unitPrice * quantity;//计算当前用户购买商品的总价
}
}
else
{
MessageBox.Show("the data is invalid!\r\tthe quantity(in the textBox3) must be positive integer!\r\tplease input again!");
}
}
}
if (productComboBox4.SelectedIndex != -1)
{
if (QuantityTextBox4.Text == "")
{
MessageBox.Show("You have chosen a product bot not filling the quantity,please input the quantity");
}
else
{
int quantity;
String quantityString = QuantityTextBox4.Text;
if (isPositiveInteger(quantityString) == true)//对用户输入的购买商品数量的数据的合法性检验
{
quantity = Convert.ToInt32(quantityString);
if (quantity > productList[productComboBox4.SelectedIndex].getProductStock())//判断用户输入购买数量是否已经超过购买商品的库存量
{
MessageBox.Show("the quantity(in the QuantityTextBox4) has over the products's stock! please input again!");
}
else
{ /*更新库存*/
productList[productComboBox4.SelectedIndex].setProductStock(productList[productComboBox4.SelectedIndex].getProductStock() - quantity);
float unitPrice = productList[productComboBox4.SelectedIndex].getProductPrice();
totalMoney += unitPrice * quantity;//计算当前用户购买商品的总价
}
}
else
{
MessageBox.Show("the data is invalid!\r\tthe quantity(in the textBox4) must be positive integer!\r\tplease input again!");
}
}
}
if (productComboBox5.SelectedIndex != -1)
{
if (QuantityTextBox5.Text == "")
{
MessageBox.Show("You have chosen a product bot not filling the quantity,please input the quantity");
}
else
{
int quantity;
String quantityString = QuantityTextBox5.Text;
if (isPositiveInteger(quantityString) == true) //对用户输入的购买商品数量的数据的合法性检验
{
quantity = Convert.ToInt32(quantityString);
if (quantity > productList[productComboBox5.SelectedIndex].getProductStock()) //判断用户输入购买数量是否已经超过购买商品的库存量
{
MessageBox.Show("the quantity(in the QuantityTextBox5) has over the products's stock! please input again!");
}
else
{ /*更新库存*/
productList[productComboBox5.SelectedIndex].setProductStock(productList[productComboBox5.SelectedIndex].getProductStock() - quantity);
float unitPrice = productList[productComboBox5.SelectedIndex].getProductPrice();
totalMoney += unitPrice * quantity; //计算当前用户购买商品的总价
}
}
else
{
MessageBox.Show("the data is invalid!\r\tthe quantity(in the textBox5) must be positive integer!\r\tplease input again!");
}
}
}
CheckOutTextBox.Text = String.Format("the total money is :\r\n {0,35:C}", totalMoney); //显示当前用户购买商品的总价
/*初始化更新相关商品库存后的商品信息，用户可以在newProductInformationComboBox中选择查看商品信息*/
newProductInformationComboBox.Items.Clear();
for (int counter = 0; counter < productList.Count; counter++)
{
String productInformation = "";
ProductClass product = productList[counter];
productInformation += String.Format("name:{0,-10}price:{1,6:C} stock:{2} ", product.getProductName(),
product.getProductPrice(), product.getProductStock());
newProductInformationComboBox.Items.Add(productInformation);
}
}
