private void button1_Click(object sender, EventArgs e)
{
foreach (KeyValuePair <string, KeyValuePair <string, bool> > sym in symptoms)
{
string value = sym.Value.Value ? "yes." : "no.";
File.WriteAllText(filePath + sym.Value.Key, value);
}
String s = connect.Query("start(X).");
this.txtResult.Text = s;
}
private void btn_query_Click(object sender, EventArgs e)
{
if (isLoad == 0)
{
MessageBox.Show("Vui lòng load tập luật Prolog trước khi thực thi!");
return;
}
if ((!rbnAskBrandN.Checked && !rbnAskBrandY.Checked) || (!rbnPrice.Checked && !rbnSpecs.Checked && !rbnFashion.Checked) || (!rbnPHIGH.Checked && !rbnPLOW.Checked))
{
MessageBox.Show("Vui lòng chọn các tiêu chí quan tâm!");
return;
}
if (rbnAskBrandY.Checked && (!rbnACER.Checked && !rbnASUS.Checked && !rbnDELL.Checked && !rbnHP.Checked && !rbnLENOVO.Checked))
{
MessageBox.Show("Vui lòng chọn các hãng quan tâm!");
return;
}
else
{
listBox1.Items.Clear();
}
string brand = "";
string type = "";
string price = "";
string query = "";
if (rbnDELL.Checked)
{
brand = "dell";
}
else if (rbnHP.Checked)
{
brand = "hp";
}
else if (rbnLENOVO.Checked)
{
brand = "lenovo";
}
else if (rbnASUS.Checked)
{
brand = "asus";
}
else if (rbnACER.Checked)
{
brand = "acer";
}
if (rbnPrice.Checked)
{
type = "price";
}
else if (rbnFashion.Checked)
{
type = "fashion";
}
else if (rbnSpecs.Checked)
{
type = "specs";
}
if (rbnPLOW.Checked)
{
price = "low";
}
else
{
price = "high";
}
try
{
if (rbnAskBrandY.Checked)
{
query = "laptop(" + brand + "," + type + "," + price + ",X).";
}
else if (rbnAskBrandN.Checked)
{
query = "laptop(" + type + "," + price + ",X).";
}
String s = connect.Query(query);
string[] words = s.Split(';');
int _currentProduct = 1;
foreach (string word in words)
{
if (word == " ")
{
continue;
}
word.Replace(" ", string.Empty);
int msubword = 0;
string[] subword = word.Split(' ');
if (word.Length != 5)
{
for (int i = 0; i < subword.Length; i++)
{
try
{
if (subword[i].Length == 0x00000005)
{
msubword = i;
break;
}
}
catch (IndexOutOfRangeException ex)
{
break;
}
}
}
try
{
string _result;
if (word.Length != 5)
{
_result = subword[msubword];
}
else
{
_result = word;
}
string _priceCondition = "";
//[121]
switch (_result[3] - 48)
{
case 1:
_priceCondition = "price>=0 and price<=10000";
break;
case 2:
_priceCondition = "price>10000 and price<20000";
break;
}
string sql;
sql = "select * from product where brand=\"" + BuyLaptop.Resources.Statics.Brand[_result[1] - 49] + "\" and type=\"" +
BuyLaptop.Resources.Statics.Type[_result[2] - 49] + "\" and " + _priceCondition + "";
DataTable _queryResult = m_database.GetDataTable(sql);
if (_queryResult.Rows.Count == 0)
{
MessageBox.Show("Không tìm thấy sản phẩm phù hợp!!!");
return;
}
else
{
for (int i = 0; i < _queryResult.Rows.Count; i++)
{
object[] _itemArray = _queryResult.Rows[i].ItemArray;
string _itemRow = _currentProduct++ + ". " + _itemArray[1].ToString() + " - " + _itemArray[2].ToString() + " - CPU:" + _itemArray[4].ToString() + " - RAM:" + _itemArray[8].ToString() + " - HDD:" + _itemArray[3].ToString() + " - VGA:" + _itemArray[5].ToString() + " - Size:" + _itemArray[6].ToString() + " - Gia:" + _itemArray[7].ToString();
listBox1.Items.Add(_itemRow);
}
}
}
catch
{
//MessageBox.Show("Không tìm thấy luật phù hợp!!!");
}
}
}
catch (ArgumentNullException ex)
{
MessageBox.Show("Lỗi truy vấn, vui lòng kiểm tra lại file luật!");
}
}
