实例介绍
【实例简介】
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Model;
using System.Diagnostics;
using System.Xml;
using System.Reflection;
using System.IO;
using System.Threading;
using Common.PageHelper;
namespace 程序员
{
public partial class frmMain : Form
{
public frmMain()
{
InitializeComponent();
}
private static int index = 1;
List<Types> list = null;
private void InitList(List<Model.Article> list, ListView lstArticle)
{
for (int i = 0; i < list.Count; i )
{
string[] item = { list[i].Title, list[i].Link, list[i].CreateTime.ToString(), list[i].SourceShowName };
ListViewItem listItem = new ListViewItem(item);
lstArticle.Items.Add(listItem);
}
}
private void InitOpenBrowser()
{
IList<Browser> list = new List<Browser>();
BLL.BrowserManager browser = new BLL.BrowserManager();
list = browser.GetBrowserPath();
if (list != null && list.Count > 0)
{
int selectedIndex = 0;
int num = 0;
foreach (Browser current in list)
{
if (current.IsDefault)
{
selectedIndex = num;
}
num ;
}
this.cbOpenBrowser.DisplayMember = "BrowserName";
this.cbOpenBrowser.ValueMember = "BrowserPath";
this.cbOpenBrowser.DataSource = list;
this.cbOpenBrowser.SelectedIndex = selectedIndex;
return;
}
MessageBox.Show("检测不到系统浏览器，请确认是否安装了浏览器");
}
private List<Model.Types> GetUrl(string category)
{
var type = from t in list
where (t.Category == category && t.IsSelect == true)
select t;
return type.ToList<Types>();
}
public List<Types> LoadXmlFile()
{
#region Types
List<Types> list = new List<Types>();
Types type = null;
//实例化XML对象
XmlDocument doc = null;
try
{
doc = new XmlDocument();
//加载XML文件
doc.Load("Configuration.xml");
//找到根节点
XmlNode rootNode = doc.DocumentElement;
//读写XML文件
foreach (XmlNode childNode in rootNode.ChildNodes)
{
type = new Types();
foreach (XmlNode sunNode in childNode.ChildNodes)
{
switch (sunNode.Name)
{
case "Category":
type.Category = sunNode.InnerText;
break;
case "DomainName":
type.DomainName = sunNode.InnerText;
break;
case "Url":
type.Url = sunNode.InnerText;
break;
case "IsSelect":
type.IsSelect = bool.Parse(sunNode.InnerText);
break;
}
}
list.Add(type);//添加到集合中
}
}
catch (Exception ex)
{
throw ex;
}
#endregion
return list;
}
public void SaveToXmlFile(List<Types> list)
{
XmlDocument doc = new XmlDocument();
doc.LoadXml("<?xml version=\"1.0\" encoding=\"utf-8\" ?>\r\n<types></types>");
XmlNode root = doc.SelectSingleNode("types");
for (int i = 0; i < list.Count; i )
{
XmlElement type = doc.CreateElement("type");
XmlElement Category = doc.CreateElement("Category");
XmlElement DomainName = doc.CreateElement("DomainName");
XmlElement Url = doc.CreateElement("Url");
XmlElement IsSelect = doc.CreateElement("IsSelect");
root.AppendChild(type);
type.AppendChild(Category);
type.AppendChild(DomainName);
type.AppendChild(Url);
type.AppendChild(IsSelect);
Category.InnerText = list[i].Category;
DomainName.InnerText = list[i].DomainName;
Url.InnerText = list[i].Url;
IsSelect.InnerText = list[i].IsSelect.ToString();
}
doc.Save("Configuration.xml");
}
private void GetArticleHtml(string articleUrl, string comefrom)
{
HttpItem item = new HttpItem()
{
Method = "get",
URL = articleUrl
};
HttpHelper http = new HttpHelper();
HttpResult result = http.GetHtml(item);
string html = result.Html;
}
private void frmMain_Load(object sender, EventArgs e)
{
Control.CheckForIllegalCrossThreadCalls = false;
// skinEngine1.SkinFile = @"skin\vista1.ssk";
cbArticleType.SelectedIndex = 0;
InitOpenBrowser();
this.list = LoadXmlFile();
this.picLoading.Visible = false;
this.lblLoading.Visible = false;
this.Text = "程序员资讯助手v1.0";
InitCategoryTree();
}
private void InitCategoryTree()
{
string[] type = new string[] { "Winform", "ASP.NET", "SQL", "前端", "WP开发", "Android", "IOS", "PHP", "Java", "C " };
foreach (string t in type)
{
trvCategory.Nodes.Add(t);
}
}
private void btnGet_Click(object sender, EventArgs e)
{
#region 开始下载文章
Thread thread = new Thread(new ThreadStart(delegate()
{
Stopwatch sw = new Stopwatch();
picLoading.Visible = true;
lblLoading.Visible = true;
sw.Start();
lstList.Items.Clear();
string category = cbArticleType.Text;
List<Model.Types> types = GetUrl(category);
for (int i = 0; i < types.Count; i )
{
if (types[i].DomainName == "CSDN")
{
BLL.CSDNManager csdn = new BLL.CSDNManager();
List<Article> list = csdn.Init(types[i].Url, index);
InitList(list, lstList);
}
if (types[i].DomainName == "Cnblogs")
{
BLL.CnbolgManager cnblogs = new BLL.CnbolgManager();
List<Article> list = cnblogs.Init(types[i].Url, index);
InitList(list, lstList);
}
if (types[i].DomainName == "ITEyeBlog")
{
BLL.ITEyeBlogManager ITEyeBlog = new BLL.ITEyeBlogManager();
List<Article> list = ITEyeBlog.Init(types[i].Url, index);
InitList(list, lstList);
}
}
sw.Stop();
this.picLoading.Visible = false;
this.lblLoading.Visible = false;
lblInfo.Text = "共耗时" (sw.ElapsedMilliseconds / 1000.0).ToString() "秒";
this.lblRowsCount.Text = string.Format("当前第{0}页,本页共{1}条数据", index.ToString(), lstList.Items.Count.ToString());
}));
thread.Start();
#endregion
}
private void lstList_DoubleClick(object sender, EventArgs e)
{
if (lstList.SelectedItems.Count > 0)
{
string titleUrl = lstList.SelectedItems[0].SubItems[1].Text;
string comefrom = lstList.SelectedItems[0].SubItems[3].Text;
if (ckViewCode.Checked)
{
Process.Start(cbOpenBrowser.SelectedValue.ToString(), titleUrl);
}
else
{
new frmViewCode(titleUrl, comefrom).ShowDialog();
}
}
}
private void btnPreview_Click(object sender, EventArgs e)
{
if (index >= 2)
{
index--;
btnGet.PerformClick();
}
}
private void btnNext_Click(object sender, EventArgs e)
{
index ;
btnGet.PerformClick();
}
private void trvCategory_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
{
this.panel1.Visible = true;
this.cbCSDN.Visible = false;
this.cbCnbolg.Visible = false;
this.cbITEyeBlog.Visible = false;
this.cbCSDN.Checked = false;
this.cbCnbolg.Checked = false;
this.cbITEyeBlog.Checked = false;
string category = e.Node.Text;
var type = from t in this.list
where (t.Category == category)
select t;
foreach (Types item in type.ToList<Types>())
{
if (item.IsSelect)
{
if (item.DomainName == "CSDN")
{
this.cbCSDN.Visible = true;
this.cbCSDN.Checked = true;
}
if (item.DomainName == "Cnblogs")
{
this.cbCnbolg.Visible = true;
this.cbCnbolg.Checked = true;
}
if (item.DomainName == "ITEyeBlog")
{
this.cbITEyeBlog.Visible = true;
this.cbITEyeBlog.Checked = true;
}
}
}
}
private void btnSave_Click(object sender, EventArgs e)
{
string category = trvCategory.SelectedNode.Text;
for (int i = 0; i < this.list.Count; i )
{
if (list[i].Category == category)
{
if (list[i].DomainName == "CSDN")
{
if (cbCSDN.Checked)
{
list[i].IsSelect = true;
}
else
{
list[i].IsSelect = false;
}
}
if (list[i].DomainName == "Cnblogs")
{
if (cbCnbolg.Checked)
{
list[i].IsSelect = true;
}
else
{
list[i].IsSelect = false;
}
}
if (list[i].DomainName == "ITEyeBlog")
{
if (cbITEyeBlog.Checked)
{
list[i].IsSelect = true;
}
else
{
list[i].IsSelect = false;
}
}
}
}
}
private void cbSelectAll_CheckedChanged(object sender, EventArgs e)
{
if (cbSelectAll.Checked)
{
this.cbCSDN.Checked = true;
this.cbCnbolg.Checked = true;
this.cbITEyeBlog.Checked = true;
}
else
{
this.cbCSDN.Checked = false;
this.cbCnbolg.Checked = false;
this.cbITEyeBlog.Checked = false;
}
}
private void frmMain_FormClosing(object sender, FormClosingEventArgs e)
{
SaveToXmlFile(this.list);
}
}
}
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