public void Contains(commodity m)
{
if (myshop.Contains(m))
{
Console.WriteLine("存在列表中");
}
else
{
m.ToSting();
}
}
public bool Contains(string m)
{
commodity stu = new commodity();
if (stu.Name.Contains(m))
{
//Console.WriteLine("存在列表中");
return(true);
}
else
{
stu.ToSting();
return(false);
}
}
public void Add(commodity m)
{
myshop.Add(m);
}
public void Remove(commodity m)
{
myshop.Remove(m);
}
public bool IsContains(commodity m)
{
return(myshop.Contains(m));
}
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == "" || textBox2.Text == "" || textBox3.Text == "")
{
MessageBox.Show("输入格式有误");
}
try
{
commodity[] a = {};
shoppingcart b = new shoppingcart(a);
//b.Add(new commodity((string)textBox1.Text, double.Parse(textBox2.Text), int.Parse(textBox3.Text)));
int index = this.dataGridView1.Rows.Add();
commodity stu = new commodity((string)textBox1.Text, double.Parse(textBox2.Text), int.Parse(textBox3.Text));
/* if (b.IsContains(new commodity((string)textBox1.Text, double.Parse(textBox2.Text), int.Parse(textBox3.Text))))
* {
* index -= 1;
* this.dataGridView1.Rows[index].Cells[0].Value = textBox1.Text;
* this.dataGridView1.Rows[index].Cells[1].Value = textBox2.Text;
* this.dataGridView1.Rows[index].Cells[2].Value += textBox3.Text;
* }
* else
* {
* this.dataGridView1.Rows[index].Cells[0].Value = textBox1.Text;
* this.dataGridView1.Rows[index].Cells[1].Value = textBox2.Text;
* this.dataGridView1.Rows[index].Cells[2].Value = textBox3.Text;
* }*/
if (b.Contains(stu.Name))
{
MessageBox.Show("该商品已存在，请在原商品中添加");
}
else
{
b.Add(new commodity((string)textBox1.Text, double.Parse(textBox2.Text), int.Parse(textBox3.Text)));
}
for (int i = 0; i < b.GetLength(); i++)
{
dataGridView1.Rows[i].Cells[0].Value = b[i].Name;
dataGridView1.Rows[i].Cells[1].Value = b[i].Price;
dataGridView1.Rows[i].Cells[2].Value = b[i].Number;
}
}
catch
{
MessageBox.Show("输入格式有误");
}
/* DataGridView dgv = (DataGridView)sender;
* for (int i = 0; i < dataGridView1.RowCount; i++)
* {
* if (dgv.Rows[i].Cells[0].Value.ToString().Trim() == dgv.Rows[i].Cells[1].Value.ToString().Trim())
* {
*
* }
* }*/
textBox4.Text = "";
textBox5.Text = "";
textBox6.Text = "";
textBox7.Text = "";
}