/// <summary>
/// 绑定正则表达式列表，根据网站
/// </summary>
/// <param name="site"></param>
public void BindRegularList(Site site)
{
using (RegularDAL dal = new RegularDAL())
{
regularList = dal.GetRegularList(site);
}
//清理原来数据
lv_ExpressionList.Items.Clear();
lv_ExpressionList.Columns.Clear();
//初始化listview的列头
UIHelper.InitListView(lv_ExpressionList, "正则表达式", "文章类型");
try
{
foreach (var item in regularList)
{
ListViewItem lvi = new ListViewItem();
lvi.Text = item.Name;
lvi.SubItems.Add(item.Type.Name);
lvi.Name = item.ID.ToString();
lv_ExpressionList.Items.Add(lvi);
}
}
catch (Exception)
{
throw;
}
}
private void btn_Collect_Click(object sender, EventArgs e)
{
lab_statu.Text = "就绪。。。";
string html = String.Empty;
List<Regular> regularList = new List<Regular>();
articleList.Clear();
if (menu_SiteCombox.ComboBox.SelectedItem!=null)
{
Collect collect = new Collect();
// 得到相应的网页字符串
html = collect.GetHtmlString(
collect.GetWebResponse(
(menu_SiteCombox.ComboBox.SelectedItem as Site).Address.ToString()));
using (RegularDAL dal = new RegularDAL())
{
// 得到相应网站的正则列表
regularList = dal
.GetRegularList(menu_SiteCombox.ComboBox.SelectedItem as Site);
}
CheckForIllegalCrossThreadCalls = false;
// 使用另外一个线程来采集文章
// 保证UI不阻塞
Thread th = new Thread(new ThreadStart(()=> {
//设置
foreach (var item in regularList)
{
addressList.AddRange(collect.GetArticleAddress(item, html));
}
//addressList.AddRange(collect.GetArticleAddress(html));
//设置进度条的最大值和初始值
//最大值是所有的地址的数量
pro_CollectProcess.Invoke(new Action(() => {
pro_CollectProcess.Maximum = addressList.Count;
pro_CollectProcess.Value = 0;
}));
lab_statu.Text = "开始采集";
//遍历地址列表
foreach (var address in addressList)
{
Article article = collect.GetArticle(address);
if (article.Time<DateTime.Now.Date)
{
continue;
}
articleList.Add(collect.GetArticle(address));
pro_CollectProcess.Invoke(new Action(() =>
{
pro_CollectProcess.Value += 1;
}));
}
lab_statu.Text = "采集完毕";
BindArticleList();
}));
th.IsBackground = true;
th.Start();
//绑定文章信息到listview
}
}
private void toolMenuItem_DelRegular_Click(object sender, EventArgs e)
{
if (lv_ExpressionList.SelectedIndices.Count>0)
{
using (RegularDAL dal = new RegularDAL ())
{
Regular regular = dal.GetRegular(Guid.Parse(lv_ExpressionList.SelectedItems[0].Name));
if (!dal.DelRegular(regular))
{
MessageBox.Show("删除失败");
return;
}
lv_ExpressionList.Items.Remove(lv_ExpressionList.SelectedItems[0]);
regularList.Remove(regular);
}
}
}
private void btn_OK_Click(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(txt_NewExpression.Text))
{
using (RegularDAL dal = new RegularDAL ())
{
if (dal.GetRegular(txt_NewExpression.Text.Trim()) == null)
{
Regular regular = new Regular()
{
ID = Guid.NewGuid(),
Name = txt_NewExpression.Text.Trim(),
Site = comb_Site.SelectedItem as Site,
Type = comb_TypeList.SelectedItem as Entities.Type
};
if (dal.AddRegular(regular))
{
txt_NewExpression.Text = "";
BindRegularList(comb_Site.SelectedItem as Site);
MessageBox.Show("添加成功！");
}
else
{
MessageBox.Show("添加失败！");
}
}
else {
MessageBox.Show("该正则已存在!");
}
}
}
else
{
MessageBox.Show("正则表达式不能为空!");
}
}
