/// <summary>
/// 删除内容图片
/// </summary>
/// <param name="content">内容</param>
/// <param name="startstr">匹配开头字符串</param>
public static void DeleteContentPic(string content, string startstr)
{
if (string.IsNullOrEmpty(content))
{
return;
}
Regex reg = new Regex("IMG[^>]*?src\\s*=\\s*(?:\"(?<1>[^\"]*)\"|'(?<1>[^\']*)')", RegexOptions.IgnoreCase);
MatchCollection m = reg.Matches(content);
foreach (Match math in m)
{
string imgUrl = math.Groups[1].Value;
string fullPath = Utils.GetMapPath(imgUrl);
try {
if (imgUrl.ToLower().StartsWith(startstr.ToLower()) && File.Exists(fullPath))
{
FileHelp.DeleteFile(fullPath);
}
} catch { }
}
}
/// <summary>
/// 删除本地上传的文件(及缩略图)
/// </summary>
/// <param name="_filepath"></param>
public static void DeleteUpFile(string _filepath)
{
if (string.IsNullOrEmpty(_filepath))
{
return;
}
string fullpath = Utils.GetMapPath(_filepath); //原图
if (File.Exists(fullpath))
{
FileHelp.DeleteFile(fullpath);
}
if (_filepath.LastIndexOf("/") >= 0)
{
string thumbnailpath = _filepath.Substring(0, _filepath.LastIndexOf("/")) + "mall_" + _filepath.Substring(_filepath.LastIndexOf("/") + 1);
string fullTPATH = Utils.GetMapPath(thumbnailpath); //宿略图
if (File.Exists(fullTPATH))
{
FileHelp.DeleteFile(fullTPATH);
}
}
}