/// <summary>
/// 获取图片url
/// </summary>
/// <param name="html"></param>
private void MatchImageUrl(string html, string host, string webUrl)
{
string matchStr = "<img[\\s^\\s]+src=\"(?<src>\\S+)\"";//分组命名
string imgUrl = string.Empty;
Regex regex = new Regex(matchStr, RegexOptions.IgnoreCase | RegexOptions.Compiled);
MatchCollection collection = regex.Matches(html);
foreach (Match item in collection)
{
imgUrl = item.Groups["src"].Value;
//无效链接
if (string.IsNullOrEmpty(imgUrl))
{
continue;
}
if (!imgUrl.Contains("http"))
{
imgUrl = "http://" + host + imgUrl;
}
//是否存在
if (ImageUrlBLL.IsExistImageUrl(imgUrl))
{
continue;
}
ImageUrlEntity imageUrlEnt = new ImageUrlEntity();
imageUrlEnt.AddDate = DateTime.Now;
imageUrlEnt.Host = host;
imageUrlEnt.ImageUrl = imgUrl;
imageUrlEnt.WebUrl = webUrl;
ImageUrlBLL.Insert(imageUrlEnt);
}
}
/// <summary>
/// 下载图片
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void loadImage_Click(object sender, EventArgs e)
{
try
{
string host = this.txtLoad.Text;
if (string.IsNullOrEmpty(host))
{
MessageBox.Show("请输入主机");
return;
}
CookieContainer cookie = new CookieContainer();
if (this.ckbLogin.Checked)
{
string msg = "";
cookie = this.GetCookie(ref msg);
if (msg != "")
{
MessageBox.Show(msg);
return;
}
}
this.loadImage.Text = "执行中...";
List <ImageUrlEntity> imageList = ImageUrlBLL.GetList(host);
foreach (var item in imageList)
{
RequestEntity requestEnt = new RequestEntity();
requestEnt.postUrl = item.ImageUrl;
requestEnt.method = "get";
requestEnt.host = item.Host;
requestEnt.referer = item.WebUrl;
requestEnt.cookie = cookie;
RequestHelper.LoadPic(requestEnt);
ImageUrlBLL.UpdateUsered(item.Id);
}
this.loadImage.Text = "下载图片";
}
catch (Exception ex)
{
LogHelper.LogTrace("报错：" + ex.Message);
Application.Exit();
}
}
