日期:2014-05-18 浏览次数:20971 次
private void button10_Click(object sender, EventArgs e) { if (ValidData.IsEmpty(textBox1.Text, "关键字不能为空,请核对!") == false) { textBox2.Focus(); return; } else if (ValidData.IsEmpty(textBox2.Text, "长度不能为空,请核对!") == false) { textBox2.Focus(); return; } else if (ValidData.IsNumber(textBox2.Text, "数量必须为整数") == false) { textBox2.Focus(); return; } if (int.Parse(textBox2.Text) > 100) { MessageBox.Show("数量不能超过100(百度内置上限)", "系统提示", MessageBoxButtons.OK, MessageBoxIcon.Error); return; } string url = "http://www.baidu.com/s?wd=" + textBox1.Text + "&rn=" + int.Parse(textBox2.Text) + ""; HtmlAgilityPack.HtmlDocument hd = GetHtmlDocumentFromLink(url); this.Text = getTitle(hd); MainContent(hd); } public void MainContent(HtmlAgilityPack.HtmlDocument hd) { if (hd == null) return; richTextBox3.Text = ""; //贴吧、新闻、商品搜索、软件 SpecialType(hd); for (int i = 0; i < int.Parse(textBox2.Text)+10; i++) { try { HtmlNode navNode = hd.GetElementbyId(i.ToString()); string allXPath = navNode.XPath + "/tr[1]/td[1]/h3[1]"; string title = hd.DocumentNode.SelectSingleNode(allXPath).InnerText; richTextBox3.AppendText("标题:" + title.Trim() + "\r\n"); ////地址 string adr = hd.DocumentNode.SelectSingleNode(allXPath + "/a[1]").Attributes["href"].Value; richTextBox3.AppendText("地址:" + adr + "\r\n"); //百度快照日期 string pDateXPath = navNode.XPath + "/tr[1]/td[1]/font[1]/span[1]"; string pDate = hd.DocumentNode.SelectSingleNode(pDateXPath).InnerText; if (pDate != string.Empty) { richTextBox3.AppendText("百度快照:" + pDate + "\r\n"); string dataP = Regex.Match(pDate, @"\d{4}([-/])\d{1,2}\1\d{1,2}").Value; richTextBox3.AppendText("快照日期:" + dataP + "\r\n\r\n"); } else richTextBox3.AppendText("\r\n\r\n"); } catch (Exception) { richTextBox3.AppendText("\r\n"); } } }