/// <summary>
/// 获取附件HTML
/// </summary>
/// <returns></returns>
public static string FileHtml(Wis.Website.DataManager.Article article)
{
if (article.ArticleGuid == null)
return "";
Wis.Website.DataManager.FileManager fileManager = new Wis.Website.DataManager.FileManager();
List<Wis.Website.DataManager.File> files = Wis.Website.DataManager.FileManager.GetFilesBySubmissionGuid(article.ArticleGuid);
int index = 1;
System.Text.StringBuilder sb = new StringBuilder();
foreach (Wis.Website.DataManager.File file in files)
{
sb.Append("<p class=\"contenta\">附件：<a href=\"" + file.SaveAsFileName + "\" target=\"_blank\" title=\"点击下载附件\">" + file.OriginalFileName + "</a></p>");
if (index == files.Count)
{
sb.Append("<br/>");
}
index++;
}
return sb.ToString();
}
/// <summary>
/// 生成缩略图
/// </summary>
/// <param name="originalImagePath">源图路径（物理路径）</param>
/// <param name="thumbnailPath">缩略图路径（物理路径）</param>
/// <param name="width">缩略图宽度</param>
/// <param name="height">缩略图高度</param>
/// <param name="mode">生成缩略图的方式</param>
protected void MakeMyThumbPhoto(string originalImagePath, int toW, int toH, int X, int Y, int W, int H)
{
System.Drawing.Image originalImage = System.Drawing.Image.FromFile(originalImagePath);
int towidth = toW;
int toheight = toH;
int x = X;
int y = Y;
int ow = W;
int oh = H;
//新建一个bmp图片
System.Drawing.Image bitmap = new System.Drawing.Bitmap(towidth, toheight);
//新建一个画板
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap);
//设置高质量插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
//设置高质量,低速度呈现平滑程度
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//清空画布并以透明背景色填充
g.Clear(System.Drawing.Color.Transparent);
//在指定位置并且按指定大小绘制原图片的指定部分
g.DrawImage(originalImage, new System.Drawing.Rectangle(0, 0, towidth, toheight),
new System.Drawing.Rectangle(x, y, ow, oh),
System.Drawing.GraphicsUnit.Pixel);
try
{
Wis.Website.DataManager.FileManager fileManager = new Wis.Website.DataManager.FileManager();
Wis.Website.DataManager.File file = new Wis.Website.DataManager.File();
file.CreatedBy = string.Empty; // TODO:填写当前登录用户的UserName
file.CreationDate = System.DateTime.Now;
file.Description = string.Empty; // TODO：如何提供描述？
file.FileGuid = Guid.NewGuid();
file.Hits = 0;
file.OriginalFileName = "";
file.Rank = 0;
// file.SaveAsFileName =
// file.Size
// file.SubmissionGuid = // ?
string fileExtension = ".jpg"; //缩略图后缀名
string sUserUploadPath = "/Uploads/Photos";
string DirectoryPath = sUserUploadPath + "/" + DateTime.Now.ToShortDateString();
if (!System.IO.Directory.Exists(Server.MapPath(DirectoryPath)))
{
System.IO.Directory.CreateDirectory(Server.MapPath(DirectoryPath));
}
string sFileName = DateTime.Now.ToString("yyyyMMddHHmmssffff") + fileExtension; // 文件名称
string thumbnailPath = Server.MapPath(DirectoryPath + "/" + sFileName ); // 服务器端文件路径
//以jpg格式保存缩略图
bitmap.Save(thumbnailPath, System.Drawing.Imaging.ImageFormat.Jpeg);
ViewState["javescript"] = "ReturnValue('" + DirectoryPath + "/" + sFileName + "');";
return;
}
catch (System.Exception e)
{
throw e;
}
finally
{
originalImage.Dispose();
bitmap.Dispose();
g.Dispose();
}
}
