/// <summary>
/// ResizeImage图片地址生成
/// </summary>
/// <param name="url">图片地址</param>
/// <param name="w">最大宽度</param>
/// <param name="h">最大高度</param>
/// <param name="quality">质量0~100</param>
/// <param name="image">占位图类别</param>
/// <returns>地址为空返回null</returns>
public static string ResizeImage(string url, int?w = null, int?h = null,
int?quality = null,
Enums.DummyImage?image = Enums.DummyImage.Default,
Enums.ResizerMode?mode = null,
Enums.ReszieScale?scale = null
)
{
var Url = new System.Web.Mvc.UrlHelper(HttpContext.Current.Request.RequestContext);
if (string.IsNullOrEmpty(url))
{
return(null);
}
else
{
if (Url.IsLocalUrl(url))
{
var t = new Uri(HttpContext.Current.Request.Url, Url.Content(url)).AbsoluteUri;
Dictionary <string, string> p = new Dictionary <string, string>();
if (w.HasValue)
{
p.Add("w", w.ToString());
}
if (h.HasValue)
{
p.Add("h", h.ToString());
}
if (scale.HasValue)
{
p.Add("scale", scale.Value.ToString());
}
if (quality.HasValue)
{
p.Add("quality", quality.ToString());
}
if (image.HasValue)
{
p.Add("404", image.ToString());
}
if (mode.HasValue)
{
p.Add("mode", mode.ToString());
}
return(t + p.ToParam("?"));
}
else
{
return(url);
}
}
}
/// <summary>
/// ResizeImage图片地址生成
/// </summary>
/// <param name="url">图片地址</param>
/// <param name="w">最大宽度</param>
/// <param name="h">最大高度</param>
/// <param name="quality">质量0~100</param>
/// <param name="image">占位图类别</param>
/// <returns>地址为空返回null</returns>
public static string ResizeImage(string url, int?w = null, int?h = null,
int?quality = null,
DummyImage?image = DummyImage.Default,
ResizerMode?mode = null,
ReszieScale?scale = null
)
{
var Url = new System.Web.Mvc.UrlHelper(HttpContext.Current.Request.RequestContext);
if (string.IsNullOrEmpty(url))
{
return(null);
}
else
{
if (Url.IsLocalUrl(url))
{
var t = new Uri(HttpContext.Current.Request.Url, Url.Content(url)).AbsoluteUri;
Dictionary <string, string> p = new Dictionary <string, string>();
if (w.HasValue)
{
p.Add("w", w.ToString());
}
if (h.HasValue)
{
p.Add("h", h.ToString());
}
if (scale.HasValue)
{
p.Add("scale", scale.Value.ToString());
}
if (quality.HasValue)
{
p.Add("quality", quality.ToString());
}
if (image.HasValue)
{
p.Add("404", image.ToString());
}
if (mode.HasValue)
{
p.Add("mode", mode.ToString());
}
return(t + p.ToParam("?"));
}
else if (url.Contains(QinQiuApi.ServerLink))
{
var fileType = System.IO.Path.GetExtension(url);
StringBuilder sbUrl = new StringBuilder(url);
if (fileType == ".mp4")
{
sbUrl.Append("?vframe/jpg/offset/1");
if (w.HasValue)
{
sbUrl.Append($"/w/{w}");
}
if (h.HasValue)
{
sbUrl.Append($"/h/{h}");
}
return(sbUrl.ToString());
}
else
{
sbUrl.Append("?imageView2");
switch (mode)
{
case ResizerMode.Pad:
default:
case ResizerMode.Crop:
sbUrl.Append("/1");
break;
case ResizerMode.Max:
sbUrl.Append("/0");
break;
}
if (w.HasValue)
{
sbUrl.Append($"/w/{w}");
}
if (h.HasValue)
{
sbUrl.Append($"/h/{h}");
}
quality = quality ?? 100;
sbUrl.Append($"/q/{quality}");
return(sbUrl.ToString());
}
}
else
{
return(url);
}
}
}
