private void button2_Click(object sender, EventArgs e)
{
//进行计时
Stopwatch time = new Stopwatch();
time.Start();
//读取短信
string content = textBox1.Text;
knn a = new knn();
a.Compute(content);
//计时
time.Stop();
TimeSpan ts2 = time.Elapsed;
listBox1.Items.Clear();
listBox1.Items.Add("为正常短信概率为：" + (100 * a.getnorchance).ToString() + "%");
listBox1.Items.Add("为通知短信概率为：" + (100 * a.getinfchance).ToString() + "%");
listBox1.Items.Add("为垃圾短信概率为：" + (100 * a.getspachance).ToString() + "%");
listBox1.Items.Add("KNN测试总耗时：" + ts2.TotalSeconds + "秒");
if (a.getnorchance > a.getinfchance && a.getnorchance > a.getspachance)
{
listBox1.Items.Add("综合评估为：正常短信");
}
else if (a.getinfchance > a.getnorchance && a.getinfchance > a.getspachance)
{
listBox1.Items.Add("综合评估为：通知短信");
}
else
{
listBox1.Items.Add("综合评估为：垃圾短信");
}
}
private void button2_Click(object sender, EventArgs e)
{
//进行计时
Stopwatch time = new Stopwatch();
time.Start();
//数据库连接
string conStr = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=..\Debug\短信.mdb";
OleDbConnection connection = new OleDbConnection(conStr);
OleDbCommand cmd = connection.CreateCommand();
cmd.CommandText = "select * from notyet";
OleDbDataAdapter adapter = new OleDbDataAdapter(cmd);
//创建commandbuider对象
OleDbCommandBuilder cmdBuilder = new OleDbCommandBuilder(adapter);
adapter.InsertCommand = cmdBuilder.GetInsertCommand();
adapter.DeleteCommand = cmdBuilder.GetDeleteCommand();
adapter.UpdateCommand = cmdBuilder.GetUpdateCommand();
//创建datatable对象
DataTable dt = new DataTable();
adapter.Fill(dt);
foreach (DataRow row in dt.Rows)
{
knn a = new knn();
a.Compute(row["sms"].ToString());
if (a.getnorchance > a.getinfchance && a.getnorchance > a.getspachance)
{
row["knn分类"] = "正常短信";
}
else if (a.getinfchance > a.getnorchance && a.getinfchance > a.getspachance)
{
row["knn分类"] = "通知短信";
}
else
{
row["knn分类"] = "垃圾短信";
}
}
//数据提交到数据库
adapter.Update(dt);
//更新datagridview数据
this.notyetTableAdapter.Fill(this.短信DataSet.notyet);
//计时
time.Stop();
TimeSpan ts2 = time.Elapsed;
MessageBox.Show("分类完成！\n耗时：" + ts2.TotalSeconds.ToString() + "秒", "提示");
}