/// <summary>
/// 将窗口输入框内容填入货物对象
/// </summary>
/// <param name="hw"></param>
private void createHW(HW hw)
{
int number = int.Parse(textBox_HW_NUMBER.Text);
double price = double.Parse(textBox_HW_PRICE.Text);
//hw.setHW_NAME(textBox_HW_NAME.Text);
//hw.setHW_CODE(textBox_HW_CODE.Text);
hw.setHW_NUMBER(number);
hw.setHW_PRICE(price);
hw.setHW_TOTALPRICE(price * number);
hw.setCOMMENT(textBox_HW_COMMENT.Text);
}