/// <summary>
/// 按照固定的某宽/某高等比例缩放图片
/// </summary>
/// <param name="Path"></param>
/// <param name="Limitwidth">最大宽度</param>
/// <param name="Limitheight">最大高度</param>
/// <param name="OutWidth">输出宽度</param>
/// <param name="OutHeight">输出高度</param>
public static void GetImageThumbnailSize(string Path, int Limitwidth, int Limitheight, out int OutWidth, out int OutHeight)
{
if (!Wf_StringHelper.IsNullOrEmptyByTrim(Path))
{
//获取图片
string filepath = System.Web.HttpContext.Current.Server.MapPath("/") + (Path.IndexOf('/') == 0 ? Path.Remove(0, 1) : Path);
Image image = Image.FromFile(filepath);
if (image != null)
{
if (Limitwidth > 0 && image.Width >= Limitwidth) //指定高度进行缩放
{
OutWidth = Limitwidth;
OutHeight = Wf_ConvertHelper.ToInt32(Limitwidth * image.Height / image.Width);
}
else if (Limitheight > 0 && image.Height >= Limitheight) //指定宽度进行缩放
{
OutHeight = Limitheight;
OutWidth = Wf_ConvertHelper.ToInt32(Limitheight * image.Width / image.Height);
}
else
{
OutWidth = image.Width;
OutHeight = image.Height;
}
return;
}
}
OutWidth = 200;
OutHeight = 200;
}
/// <summary>
/// 将字符串分割,返回int[]数组
/// </summary>
/// <param name="input">字符串</param>
/// <returns>int[]</returns>
public static int[] SplitRetInt(string input)
{
string[] strs = Split(input);
int[] ids = new int[strs.Length];
for (int i = 0; i < ids.Length; i++)
{
ids[i] = Wf_ConvertHelper.ToInt32(strs[i]);
}
return(ids);
}
public static int GetHtmlPageCount(string html)
{
if (Wf_StringHelper.IsNullOrEmptyByTrim(html))
{
return(0);
}
try
{
Regex regex = new Regex("<span class=\"toprand-page-numpage\">.*?</span>");
MatchCollection matchs = regex.Matches(html);
string count = new Regex(@"^\+?[1-9]\d*$").Match(matchs[matchs.Count - 1].Value).Value;
return(Wf_ConvertHelper.ToInt32(count));
}
catch { return(0); }
}