/// <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>
/// 获取头像URl
/// </summary>
/// <param name="strValue"></param>
/// <param name="imageUrlEntity"></param>
/// <returns></returns>
public static string GetImageUrl(string strValue, ImageUrlEntity imageUrlEntity)
{
return(strValue.Replace("/50/", "/" + (int)imageUrlEntity + "/"));
}