示例#1
0
        private async void MainForm_Load(object sender, EventArgs e)
        {
            #region 进度提示窗口设置
            ProgressForm progressForm = new ProgressForm();
            progressForm.Size = new Size(600, 80);
            progressForm.StartPosition = FormStartPosition.Manual;
            progressForm.Location = new Point(this.DesktopLocation.X + this.Width / 2 - progressForm.Size.Width / 2, this.DesktopLocation.Y + this.Height / 2 - progressForm.Size.Height / 2);
            progressForm.FormBorderStyle = FormBorderStyle.FixedToolWindow;
            progressForm.progress.Maximum = 100;
            progressForm.progress.Minimum = 0;
            progressForm.progress.Value = 0;
            progressForm.Show(this);
            this.Enabled = false;
            #endregion

            using (StreamReader reader = new StreamReader("TitleUrl.txt"))
            {
                while (!reader.EndOfStream)
                {
                    string title = await reader.ReadLineAsync();
                    string url = await reader.ReadLineAsync();

                    try
                    {
                        titleURL.Add(title, url);
                    }
                    catch (Exception)
                    {
                        // 异常:
                        //   T:System.ArgumentNullException:
                        //     key 为 null。
                        //
                        //   T:System.ArgumentException:
                        //     System.Collections.Generic.Dictionary`2 中已存在具有相同键的元素。
                    }

                    //更新进度条
                    if (progressForm.progress.Value < 90)
                    {
                        progressForm.progress.Value++;
                        progressForm.Text = "正在加载离线数据:" + progressForm.progress.Value + "%";                        
                    }

                }
            }

            progressForm.progress.Value = 100;
            progressForm.Text = "任务进度:" + progressForm.progress.Value + "%";
            progressForm.Close();
            this.Enabled = true;

        }
示例#2
0
        private async void btnLoad_Click(object sender, EventArgs e)
        {
            if (btnStart.Enabled == false || btnStop.Enabled == true)
            {
                MessageBox.Show("请先停止抓取!");
                return;
            }


            #region 进度提示窗口设置
            ProgressForm progressForm = new ProgressForm();
            progressForm.Size = new Size(600, 80);
            progressForm.StartPosition = FormStartPosition.Manual;
            progressForm.Location = new Point(this.DesktopLocation.X + this.Width / 2 - progressForm.Size.Width / 2, this.DesktopLocation.Y + this.Height / 2 - progressForm.Size.Height / 2);
            progressForm.FormBorderStyle = FormBorderStyle.FixedToolWindow;
            progressForm.progress.Maximum = 100;
            progressForm.progress.Minimum = 0;
            progressForm.progress.Value = 0;
            progressForm.Show(this);
            this.Enabled = false;
            #endregion

            //先清空原来的数据
            dataGridViewTitleURL.Rows.Clear();
            using (StreamReader reader = new StreamReader("TitleUrl.txt"))
            {
                while (!reader.EndOfStream)
                {
                    string title = await reader.ReadLineAsync();
                    string url = await reader.ReadLineAsync();
                    dataGridViewTitleURL.Rows.Add(title, url);
                    dataGridViewTitleURL.Rows[dataGridViewTitleURL.Rows.Count - 2].HeaderCell.Value = (dataGridViewTitleURL.Rows.Count - 1).ToString();

                    //更新进度条
                    if (progressForm.progress.Value < 50)
                    {
                        progressForm.progress.Value++;
                        progressForm.Text = "任务进度:" + progressForm.progress.Value + "%";
                    }

                }
            }

            urls.Clear();
            urlsToBrowse.Clear();
            int numOfTitles = dataGridViewTitleURL.Rows.Count-1;
            using (StreamReader reader = new StreamReader("Urls.txt"))
            {
                while (!reader.EndOfStream)
                {
                    string url = await reader.ReadLineAsync();
                    urls.Add(url);
                    numOfTitles--;
                    if (numOfTitles < 0)
                    {
                        urlsToBrowse.Enqueue(url);
                    }

                    //更新进度条
                    if (progressForm.progress.Value < 90)
                    {
                        progressForm.progress.Value = progressForm.progress.Value + 1;
                        progressForm.Text = "任务进度:" + progressForm.progress.Value + "%";
                    }

                }
            }

            if (dataGridViewTitleURL.Rows.Count > 1)
            {
                string temp = dataGridViewTitleURL.Rows[0].Cells[1].Value.ToString();
                txtWebSite.Text = "http://" + temp.Split(new string[] { "/" }, StringSplitOptions.RemoveEmptyEntries)[1];
                websiteCopy = txtWebSite.Text;
            }

            progressForm.Close();
            MessageBox.Show("载入数据完成!");
            this.Enabled = true;
        }
示例#3
0
        private async void btnSave_Click(object sender, EventArgs e)
        {
            if (btnStart.Enabled == false || btnStop.Enabled == true)
            {
                MessageBox.Show("请先停止抓取!");
                return;
            }

            #region 进度提示窗口设置
            ProgressForm progressForm = new ProgressForm();
            progressForm.Size = new Size(600, 80);
            progressForm.StartPosition = FormStartPosition.Manual;
            progressForm.Location = new Point(this.DesktopLocation.X + this.Width / 2 - progressForm.Size.Width / 2, this.DesktopLocation.Y + this.Height / 2 - progressForm.Size.Height / 2);
            progressForm.FormBorderStyle = FormBorderStyle.FixedToolWindow;
            progressForm.progress.Maximum = 100;
            progressForm.progress.Minimum = 0;
            progressForm.progress.Value = 0;
            progressForm.Show(this);
            this.Enabled = false;
            #endregion

            using (StreamWriter writer = new StreamWriter("TitleUrl.txt"))
            {
                for (int i = 0; i < dataGridViewTitleURL.Rows.Count - 1; i++)
                {
                    string title = dataGridViewTitleURL.Rows[i].Cells[0].Value.ToString();
                    string url = dataGridViewTitleURL.Rows[i].Cells[1].Value.ToString();
                    await writer.WriteLineAsync(title);
                    await writer.WriteLineAsync(url);

                    //更新进度条
                    progressForm.progress.Value = 50 * i / dataGridViewTitleURL.Rows.Count;
                    progressForm.Text = "任务进度:" + progressForm.progress.Value + "%";
                }
            }

            using (StreamWriter writer = new StreamWriter("Urls.txt"))
            {
                int i = 0;
                foreach (string url in urls)
                {
                    await writer.WriteLineAsync(url);
                    i++;
                    //更新进度条
                    progressForm.progress.Value = 50 + 50 * i / urls.Count;
                    progressForm.Text = "任务进度:" + progressForm.progress.Value + "%";
                }

            }

            progressForm.Close();
            MessageBox.Show("保存数据完成!");
            this.Enabled = true;
        }