private void button1_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) { bayes a = new bayes(); a.Compute(row["sms"].ToString()); if (a.getnorchance > a.getinfchance && a.getnorchance > a.getspachance) { row["bayes分类"] = "正常短信"; } else if (a.getinfchance > a.getnorchance && a.getinfchance > a.getspachance) { row["bayes分类"] = "通知短信"; } else { row["bayes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"); }
private void button5_Click(object sender, EventArgs e) { try { //进行计时 Stopwatch time = new Stopwatch(); time.Start(); //读入textBox1的短信,并开始分词 string content = textBox1.Text; //遍历训练好的train文档的每一行,计算文本属于类一,类二,类三的总似然 bayes a = new bayes(); 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("贝叶斯测试总耗时:" + 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"); } } catch (Exception ex) { MessageBox.Show(ex.Message); } }