/// <summary>
/// 创建文件夹
/// </summary>
/// <param name="uid"></param>
private void CreateDir(string uid)
{
uid = Avatars.FormatUid(uid);
string avatarDir = string.Format("{0}avatars/upload/{1}/{2}/{3}",
BaseConfigs.GetForumPath, uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2));
if (!Directory.Exists(Utils.GetMapPath(avatarDir)))
{
Directory.CreateDirectory(Utils.GetMapPath(avatarDir));
}
}
/// <summary>
/// 保存头像文件
/// </summary>
/// <param name="avatar"></param>
/// <param name="uid"></param>
/// <returns></returns>
private bool SaveAvatar(string avatar, string uid)
{
byte[] b = FlashDataDecode(DNTRequest.GetString(avatar));
if (b.Length == 0)
{
return(false);
}
uid = Avatars.FormatUid(uid);
string size = "";
if (avatar == "avatar1")
{
size = "large";
}
else if (avatar == "avatar2")
{
size = "medium";
}
else
{
size = "small";
}
string avatarFileName = string.Format("{0}avatars/upload/{1}/{2}/{3}/{4}_avatar_{5}.jpg",
BaseConfigs.GetForumPath, uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2), uid.Substring(7, 2), size);
FileStream fs = new FileStream(Utils.GetMapPath(avatarFileName), FileMode.Create);
fs.Write(b, 0, b.Length);
fs.Close();
//当支持FTP上传头像时,使用FTP上传远程头像
if (FTPs.GetForumAvatarInfo.Allowupload == 1)
{
FTPs ftps = new FTPs();
string ftpAvatarFileName = string.Format("/avatars/upload/{0}/{1}/{2}/",
uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2));
ftps.UpLoadFile(ftpAvatarFileName, Utils.GetMapPath(avatarFileName), FTPs.FTPUploadEnum.ForumAvatar);
}
return(true);
}
protected void ChangeAvatars_Click(object sender, EventArgs e)
{
DataTable avatars = DbHelper.ExecuteDataset(string.Format("SELECT {0}users.uid,avatar FROM {0}users JOIN {0}userfields ON {0}users.uid={0}userfields.uid WHERE avatar LIKE '/%'",
BaseConfigs.GetTablePrefix)).Tables[0];
int count = 0;
foreach (DataRow dr in avatars.Rows)
{
string sourceAvatarPath = Utils.GetMapPath(dr["avatar"].ToString());
string uid = Avatars.FormatUid(dr["uid"].ToString());
if (File.Exists(sourceAvatarPath))
{
string destDir = string.Format("{0}avatars/upload/{1}/{2}/{3}", BaseConfigs.GetForumPath, uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2));
if (!Directory.Exists(Utils.GetMapPath(destDir)))
{
Directory.CreateDirectory(Utils.GetMapPath(destDir));
}
string destAvatarPath = Utils.GetMapPath(string.Format("{0}avatars/upload/{1}/{2}/{3}/{4}_avatar_{5}.jpg",
BaseConfigs.GetForumPath, uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2), uid.Substring(7, 2), "large"));
File.Copy(sourceAvatarPath, destAvatarPath, true);
destAvatarPath = Utils.GetMapPath(string.Format("{0}avatars/upload/{1}/{2}/{3}/{4}_avatar_{5}.jpg",
BaseConfigs.GetForumPath, uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2), uid.Substring(7, 2), "medium"));
File.Copy(sourceAvatarPath, destAvatarPath, true);
destAvatarPath = Utils.GetMapPath(string.Format("{0}avatars/upload/{1}/{2}/{3}/{4}_avatar_{5}.jpg",
BaseConfigs.GetForumPath, uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2), uid.Substring(7, 2), "small"));
string destPath = string.Format("{0}avatars/upload/{1}/{2}/{3}/{4}_avatar_{5}.jpg",
BaseConfigs.GetForumPath, uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2), uid.Substring(7, 2), "small");
File.Copy(sourceAvatarPath, destAvatarPath, true);
Thumbnail thumb = new Thumbnail();
thumb.SetImage(destPath);
thumb.SaveThumbnailImage(48, 48);
count++;
}
}
info.Text = "<span style='color:blue'>提示:</span>头像转换程序已经成功转换了 <span style='color:red'>" + count + "</span> 个头像.";
change.Text = "进入首页";
change.Attributes.Add("onclick", "window.location.href='../index.aspx';return false;");
}
/// <summary>
/// 截取指定位置的图片信息
/// </summary>
/// <param name="filePathName"></param>
/// <param name="point"></param>
/// <param name="size"></param>
/// <returns></returns>
private bool GrabImage(CredentialInfo creinfo, string filePathName, Point point, Size size)
{
if (!System.IO.File.Exists(filePathName))
{
return(false);
}
Image oldImage = System.Drawing.Image.FromFile(filePathName);
if (size.Width > oldImage.Width || size.Height > oldImage.Height)
{
oldImage.Dispose();
return(false);
}
//用指定的大小和格式初始化 Bitmap 类的新实例
Bitmap bitmap = new Bitmap(size.Width, size.Height, PixelFormat.Format32bppArgb);
Color backColor = Color.Black;// bitmap.GetPixel(1, 1);
bitmap.MakeTransparent(backColor);
//从指定的 Image 对象创建新 Graphics 对象
Graphics graphics = Graphics.FromImage(bitmap);
// 0,0 是graphics的起始位置,也就是从原点开始画
// new Rectangle是截取源图片的目标区域,用户只需要改变其中四个值即可
graphics.DrawImage(oldImage /*是原图片*/, 0, 0, new Rectangle(point.X, point.Y, size.Width, size.Height), GraphicsUnit.Pixel);
// 将Bitmap转化成Image
Image image = Image.FromHbitmap(bitmap.GetHbitmap());
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo ici = null;
foreach (ImageCodecInfo codec in codecs)
{
if (codec.MimeType.IndexOf("jpeg") > -1)
{
ici = codec;
}
}
EncoderParameters encoderParams = new EncoderParameters();
long[] qualityParam = new long[1];
qualityParam[0] = 100;
EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qualityParam);
encoderParams.Param[0] = encoderParam;
string uid = Avatars.FormatUid(creinfo.UserID.ToString());
string avatarFileName = string.Format("{0}avatars/upload/{1}/{2}/{3}/{4}_avatar_",
BaseConfigs.GetForumPath, uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2), uid.Substring(7, 2));
avatarFileName = Utils.GetMapPath(avatarFileName);
image.Save(avatarFileName + "large.jpg", ici, encoderParams);
if (size.Width * 0.8 <= 130)//前台模版宽度
{
Thumbnail.MakeThumbnailImage(avatarFileName + "large.jpg", avatarFileName + "medium.jpg",
(int)(size.Width * 0.8),
(int)(size.Height * 0.8));
Thumbnail.MakeThumbnailImage(avatarFileName + "large.jpg", avatarFileName + "small.jpg",
(int)(size.Width * 0.6),
(int)(size.Height * 0.6));
}
else
{
Thumbnail.MakeThumbnailImage(avatarFileName + "large.jpg", avatarFileName + "medium.jpg",
(int)(size.Width * 0.5),
(int)(size.Height * 0.5));
Thumbnail.MakeThumbnailImage(avatarFileName + "large.jpg", avatarFileName + "small.jpg",
(int)(size.Width * 0.3),
(int)(size.Height * 0.3));
}
try
{
oldImage.Dispose();
System.IO.File.Delete(filePathName);
}
catch { }
//当支持FTP上传头像时,使用FTP上传远程头像
if (FTPs.GetForumAvatarInfo.Allowupload == 1)
{
FTPs ftps = new FTPs();
string ftpAvatarFileName = string.Format("/avatars/upload/{0}/{1}/{2}/",
uid.Substring(0, 3), uid.Substring(3, 2), uid.Substring(5, 2));
ftps.UpLoadFile(ftpAvatarFileName, avatarFileName + "large.jpg", FTPs.FTPUploadEnum.ForumAvatar);
ftps.UpLoadFile(ftpAvatarFileName, avatarFileName + "medium.jpg", FTPs.FTPUploadEnum.ForumAvatar);
ftps.UpLoadFile(ftpAvatarFileName, avatarFileName + "small.jpg", FTPs.FTPUploadEnum.ForumAvatar);
}
return(true);
}