public static decimal GetFormDecimal(string key, decimal def)
{
string val = DoRequest.GetFormString(key);
if (Utils.IsNumber(val))
{
return(decimal.Parse(val));
}
return(def);
}
public static long GetQueryLong(string key, long def)
{
string val = DoRequest.GetQueryString(key);
if (Utils.IsLong(val))
{
return(long.Parse(val));
}
return(def);
}
public UpLoadFile(string userDir)
{
DateTime dt = DateTime.Now;
string dirPath = "";
Utils.CreateDir(DoRequest.GetMapPath(this.GetUploadRoot));
//用户目录
dirPath += "userfiles/";
this._userDir = dirPath;
Utils.CreateDir(DoRequest.GetMapPath(this.GetUploadRoot + dirPath));
//用户目录
dirPath += userDir + "/";
this._userDir = dirPath;
Utils.CreateDir(DoRequest.GetMapPath(this.GetUploadRoot + dirPath));
//分类目录(年)
dirPath += dt.Year.ToString() + "/";
//Utils.coutEnd(dirPath);
Utils.CreateDir(DoRequest.GetMapPath(this.GetUploadRoot + dirPath));
this._uploadDirPath = dirPath;
}
/// <summary>
/// 生成缩略图
/// </summary>
/// <param name="filePath">源图路径(虚拟路径)</param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="mode">
/// 不区分大小写
/// case "wh"://指定高宽缩放（可能变形）
/// case "w"://指定宽，高按比例
/// case "h"://指定高，宽按比例
/// case "auto"://等比压缩
/// case "cut"://指定高宽裁减（不变形）
/// </param>
/// <returns>缩略图路径</returns>
public string DoSmallPic(string filePath, int width, int height, string mode, int sType)
{
string result = "";
string imgPath = HttpContext.Current.Server.MapPath(this.GetUploadRoot + filePath);
System.Drawing.Image originalImage = System.Drawing.Image.FromFile(imgPath);
int towidth = width;
int toheight = height;
int x = 0;
int y = 0;
int ow = originalImage.Width;
int oh = originalImage.Height;
if (ow < towidth && oh < toheight)
{
return(filePath);
}
this.__DoSmallPicCount++;//生成的缩略图数量
double fwidth = 0d;
double fheight = 0d;
double proportionForWidth = (double)width / (double)originalImage.Width;
double proportionForHeight = (double)height / (double)originalImage.Height;
mode = mode.ToLower();
switch (mode)
{
case "wh": //指定高宽缩放（可能变形）
break;
case "w": //指定宽，高按比例
towidth = originalImage.Width;
fheight = (double)originalImage.Height * proportionForWidth;
toheight = (int)fheight;
break;
case "h": //指定高，宽按比例
//towidth = originalImage.Width * height / originalImage.Height;
fwidth = (double)originalImage.Width * proportionForHeight;
towidth = (int)fwidth;
toheight = originalImage.Height;
break;
case "auto": //等比压缩
if (width > originalImage.Width)
{
towidth = originalImage.Width;
}
if (height > originalImage.Height)
{
toheight = originalImage.Height;
}
if (proportionForWidth > proportionForHeight)
{
fwidth = proportionForHeight * (double)originalImage.Width;
towidth = (int)fwidth;
}
else if (proportionForWidth < proportionForHeight)
{
fheight = proportionForWidth * (double)originalImage.Height;
toheight = (int)fheight;
}
if (towidth < 1)
{
towidth = 1;
}
if (toheight < 1)
{
toheight = 1;
}
break;
case "cut": //指定高宽裁减（不变形）
//if ((double)originalImage.Width / (double)originalImage.Height > (double)towidth / (double)toheight)
//{
// oh = originalImage.Height;
// ow = originalImage.Height * towidth / toheight;
// y = 0;
// x = (originalImage.Width - ow) / 2;
//}
//else
//{
// ow = originalImage.Width;
// oh = originalImage.Width * height / towidth;
// x = 0;
// y = (originalImage.Height - oh) / 2;
//}
break;
default:
break;
}
//Utils.coutEnd(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.HighQualityBicubic;
////设置高质量,低速度呈现平滑程度
//g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
////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);
//缩略图路径
string[] list = filePath.Split("/".ToCharArray());
for (int i = 0; i < list.Length; i++)
{
if (list[i].Trim() != "")
{
if (i + 1 == list.Length)
{
string _fname = list[i].Trim();
string ext = _fname.Substring(_fname.LastIndexOf('.') + 1).ToLower();
string fileName = _fname.Substring(0, _fname.LastIndexOf('.')).ToLower();
switch (sType)
{
case 0:
result += "/" + fileName + "-" + width + "X" + height + "." + ext;
break;
case 1:
result += "/" + fileName + "_" + width + "_" + height + "." + ext;
break;
default:
result += "/" + fileName + "-" + width + "X" + height + "." + ext;
break;
}
}
else
{
result += "/" + list[i].Trim();
}
}
}
if (result.StartsWith("/"))
{
result = result.Substring(1);
}
//
//// ＝＝＝裁剪图片＝＝＝
//Bitmap bm = new Bitmap(bitmap);
//Rectangle cloneRect = new Rectangle(0, 0, towidth, toheight);
//System.Drawing.Imaging.PixelFormat format = bm.PixelFormat;
//System.Drawing.Bitmap cloneBitmap = bm.Clone(cloneRect, format);
//cloneBitmap.Save(Utils.getMapPath(result), System.Drawing.Imaging.ImageFormat.Jpeg);
//bm.Dispose();
//try
//{
if (mode == "cut")
{
//如果是需要裁剪图片
Bitmap bm = new Bitmap(originalImage);
try
{
Rectangle cloneRect = new Rectangle(0, 0, towidth, toheight);
System.Drawing.Imaging.PixelFormat format = bm.PixelFormat;
System.Drawing.Bitmap cloneBitmap = bm.Clone(cloneRect, format);
cloneBitmap.Save(DoRequest.GetMapPath(result), System.Drawing.Imaging.ImageFormat.Jpeg);
}
catch (Exception) { }
finally
{
bm.Dispose();
originalImage.Dispose();
}
}
else
{
/*
* System.Drawing.Image thumbnailImage = null;//缩略图
* System.Drawing.Image originalImagePath = System.Drawing.Image.FromFile(filePath);//原图
* System.Drawing.Image.GetThumbnailImageAbort callb = new System.Drawing.Image.GetThumbnailImageAbort(this.ThumbnailCallback);
* try
* {
* //将原图按比例缩放
* thumbnailImage = originalImagePath.GetThumbnailImage(towidth, toheight, callb, IntPtr.Zero);
* //保存缩略图
* thumbnailImage.Save(DoRequest.GetMapPath(this.GetUploadRoot + result), System.Drawing.Imaging.ImageFormat.Jpeg);
* thumbnailImage.Dispose();
* }
* catch (Exception) { }
* finally
* {
* //if (thumbnailImage != null) thumbnailImage.Dispose();
* originalImage.Dispose();
* //bitmap.Dispose();
* //g.Dispose();
* }*/
//新建一个bmp图片
System.Drawing.Image bitmap = new System.Drawing.Bitmap(towidth, toheight);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap);
//清空画布并以透明背景色填充
g.Clear(System.Drawing.Color.Transparent);
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
//设置高质量,低速度呈现平滑程度
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//设置高质量插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
//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);
// 以下代码为保存图片时,设置压缩质量
/*
* EncoderParameters encoderParams = new EncoderParameters();
* long[] quality = new long[1];
* quality[0] = 100;
* EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality);
* encoderParams.Param[0] = encoderParam;
* //获得包含有关内置图像编码解码器的信息的ImageCodecInfo 对象.
* ImageCodecInfo[] arrayICI = ImageCodecInfo.GetImageEncoders();
* ImageCodecInfo jpegICI = null;
* for (int xx = 0; xx < arrayICI.Length; xx++)
* {
* if (arrayICI[xx].FormatDescription.Equals("JPEG"))
* {
* jpegICI = arrayICI[xx];
* //设置JPEG编码
* break;
* }
* }
*/
try
{
/*
* if (jpegICI != null)
* {
* bitmap.Save(DoRequest.GetMapPath(this.GetUploadRoot + result), jpegICI, encoderParams);
* }
* else
* {
* bitmap.Save(DoRequest.GetMapPath(this.GetUploadRoot + result), originalImage.RawFormat);
* }
*/
//bitmap.Save(DoRequest.GetMapPath(this.GetUploadRoot + result), System.Drawing.Imaging.ImageFormat.Jpeg);
bitmap.Save(DoRequest.GetMapPath(this.GetUploadRoot + result), System.Drawing.Imaging.ImageFormat.Jpeg);
}
catch (Exception) { }
finally
{
bitmap.Dispose();
g.Dispose();
originalImage.Dispose();
}
/**/
}
//}
//catch (Exception) { }
//finally
//{
// originalImage.Dispose();
// //bitmap.Dispose();
// //g.Dispose();
//}
return(result);
}
//
#region 非服务器控件的上传方法
public string DoUploadFile(HttpPostedFile file, float maxLength)
{
string result = "";
this._oname = file.FileName;//原始文件名
//try
//{
// byte[] bytes = Encoding.Convert(
// Encoding.UTF8,
// Encoding.Default,
// Encoding.Default.GetBytes(this._oname));
// //fname = bytes.ToString();
// Stream stream = new MemoryStream(bytes);
// StreamReader objReader = new StreamReader(stream, Encoding.Default);
// this._oname = objReader.ReadToEnd();
// objReader.Close();
// objReader.Dispose();
//}
//catch (Exception)
//{
//}
int _lastIndex = this._oname.LastIndexOf("/");
this._oname = (_lastIndex > 0 && _lastIndex + 1 < this._oname.Length) ? this._oname.Substring(_lastIndex + 1) : this._oname;
if (!this._autofolder && this._uploadDirPath.Equals(""))
{
this._Err = true;
return(this._ErrMsg = "请设置文件存储目录...");
}
//
#region 判断是否允许的文件类型
string ext = this._oname.Substring(this._oname.LastIndexOf('.') + 1).ToLower();
//Utils.WriteText(Utils.GetMapPath("/teasds.txt"), ext);
if (!this._IsAllowAllFile)
{
this._Err = true;
string fileclass = this.GetFileClass(file).Trim();
//return this._ErrMsg = "不允许上传此类型的文件..." + this.GetFileClass(file).Trim();
if ((ext == "jpg" || ext == "gif" || ext == "bmp" || ext == "png") && this._IsAllowImageFile)
{
this._Err = false;
}
//if (file.ContentType.StartsWith("image"))
//{
// if (ext == "jpg" || ext == "gif" || ext == "bmp" || ext == "png") this._Err = false;
// //if (fileclass == "255216255224" || fileclass == "71737056" || fileclass == "667717038" || fileclass == "566969120") this._Err = false;
// //if (this._Err)
// // return this._ErrMsg = "只能上传jpg/gif/bmp格式的图片...";
//}
if (this._Err && this._IsAllowZipFile)
{
//if (fileclass == "807534" || fileclass == "829711433") this._Err = false;
if (ext == "rar" || ext == "zip")
{
this._Err = false;
}
}
if (this._Err && this._IsAllowOfficeFile)
{
if (fileclass == "20820717224" || fileclass == "807534")
{
this._Err = false;
}
}
if (this._Err)
{
return(this._ErrMsg = "不允许上传的文件类型" + ext + " " + fileclass);
}
}
this._Err = true;
//string extension = this._oname.Substring(this._oname.LastIndexOf('.') + 1).ToLower();
switch (ext)
{
case "jpg":
case "gif":
case "png":
case "bmp":
this._Err = false;
break;
case "zip":
case "rar":
if (this._Err && this._IsAllowZipFile)
{
this._Err = false;
}
break;
case "doc":
case "docx":
case "txt":
case "xls":
case "xlsx":
case "ppt":
if (this._Err && this._IsAllowOfficeFile)
{
this._Err = false;
}
break;
case "exe":
case "wav":
case "mp3":
case "avi":
case "swf":
if (this._Err && this._IsAllowAllFile)
{
this._Err = false;
}
break;
default:
break;
}
string extension = "." + ext;
if (this._IsAllowAllFile)
{
this._Err = false;
}
//
if (this._Err)
{
return(this._ErrMsg = "无法正确识别的文件类型或不允许上传的文件类型..." + this.GetFileClass(file).Trim());
}
#endregion
//
#region 判断是否允许的文件大小
float nFileLen = file.ContentLength;
if (nFileLen / 1024 > maxLength)
{
this._Err = true;
if (maxLength <= 1024)
{
return(this._ErrMsg = "不能上传大于 " + maxLength + "K 的文件...");
}
else
{
return(this._ErrMsg = "不能上传大于 " + (maxLength / 1024).ToString("0.00") + "M 的文件...");
}
}
//else if (nFileLen / 1024 < 1)
//{
// this._Err = true;
// return this._ErrMsg = "不能上传小于 1k 的文件...";
//}
#endregion
//
#region 判断目录大小是否已经超限
double currFoderSize = ((double)nFileLen + (double)this.GetFolderSize(DoRequest.GetMapPath(this.GetUploadRoot + this._userUploadDirPath))) / 1024D;
//this._Err = true;
//this._ErrMsg = this._uploadDirPath;
if (currFoderSize > (double)this.SetUserDirMaxSize && (double)this.SetUserDirMaxSize != -1D)
{
this._Err = true;
if ((double)this.SetUserDirMaxSize < 1024D)
{
return(this._ErrMsg = "您的文件存储目录已满,无法上传更多文件(限定" + this.SetUserDirMaxSize + "K,当前" + (long)currFoderSize + "K)...");
}
else
{
return(this._ErrMsg = "您的文件存储目录已满,无法上传更多文件(限定" + (this.SetUserDirMaxSize / 1024L) + "M,当前" + (long)(currFoderSize / 1024D) + "M)...");
}
}
#endregion
//
//this._oname = file.FileName;//原始文件名
string __name = this.GetFileName;
this._name = __name + extension;//新生成的文件名
this._filesize = (float)file.ContentLength;
#region 保存上传文件
//获取文件类型
//string extension = Path.GetExtension(file.FileName).ToLower();
//得到最终的保存路径
result = this._uploadDirPath + __name + extension;
//保存
//if(this._autofolder)
file.SaveAs(DoRequest.GetMapPath(this.GetUploadRoot + result)); //自动生成目录
//else
// file.SaveAs(Utils.GetMapPath(result));//自定义存储目录
#endregion
//
return(result);
}
public static int GetFormInt(string key, int def)
{
return(Utils.StrToInt(DoRequest.GetFormString(key), def));
}
//
public static int RequestInt(string key, int def)
{
return(Utils.StrToInt(DoRequest.Request(key), def));
}
public static int GetQueryInt(string key)
{
return(Utils.StrToInt(DoRequest.GetQueryString(key), 0));
}
/// <summary>
/// 生成缩略图
/// </summary>
/// <param name="filePath">源图路径(物理路径)</param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="mode">
/// 不区分大小写
/// case "wh"://指定高宽缩放（可能变形）
/// case "w"://指定宽，高按比例
/// case "h"://指定高，宽按比例
/// case "auto"://等比压缩
/// case "cut"://指定高宽裁减（不变形）
/// </param>
/// <returns>缩略图路径</returns>
public string DoSmallPic(string filePath, int width, int height, string mode, int sType)
{
string imgPath = filePath;
System.Drawing.Image originalImage = System.Drawing.Image.FromFile(imgPath);
int towidth = width;
int toheight = height;
//int x = 0;
//int y = 0;
int ow = originalImage.Width;
int oh = originalImage.Height;
if (ow < towidth && oh < toheight)
{
return(filePath);
}
this.__DoSmallPicCount++;//生成的缩略图数量
double fwidth = 0d;
double fheight = 0d;
double proportionForWidth = (double)width / (double)originalImage.Width;
double proportionForHeight = (double)height / (double)originalImage.Height;
mode = mode.ToLower();
switch (mode)
{
case "wh": //指定高宽缩放（可能变形）
break;
case "w": //指定宽，高按比例
towidth = originalImage.Width;
fheight = (double)originalImage.Height * proportionForWidth;
toheight = (int)fheight;
break;
case "h": //指定高，宽按比例
//towidth = originalImage.Width * height / originalImage.Height;
fwidth = (double)originalImage.Width * proportionForHeight;
towidth = (int)fwidth;
toheight = originalImage.Height;
break;
case "auto": //等比压缩
if (width > originalImage.Width)
{
towidth = originalImage.Width;
}
if (height > originalImage.Height)
{
toheight = originalImage.Height;
}
if (proportionForWidth > proportionForHeight)
{
fwidth = proportionForHeight * (double)originalImage.Width;
towidth = (int)fwidth;
}
else
{
fheight = proportionForWidth * (double)originalImage.Height;
toheight = (int)fheight;
}
if (towidth < 1)
{
towidth = 1;
}
if (toheight < 1)
{
toheight = 1;
}
break;
case "cut": //指定高宽裁减（不变形）
break;
default:
break;
}
//缩略图路径
string result = filePath.Substring(0, filePath.LastIndexOf('\\'));
string[] list = filePath.Split('\\');
if (list.Length > 0)
{
string _fname = list[list.Length - 1].Trim();
string ext = _fname.Substring(_fname.LastIndexOf('.') + 1).ToLower();
string fileName = _fname.Substring(0, _fname.LastIndexOf('.')).ToLower();
switch (sType)
{
case 0:
result += "\\" + fileName + "-" + width + "X" + height + "." + ext;
break;
case 1:
result += "\\" + fileName + "_" + width + "_" + height + "." + ext;
break;
default:
result += "\\" + fileName + "-" + width + "X" + height + "." + ext;
break;
}
}
result = result.Replace(@"\\", @"\");
//
//// ＝＝＝裁剪图片＝＝＝
//Bitmap bm = new Bitmap(bitmap);
//Rectangle cloneRect = new Rectangle(0, 0, towidth, toheight);
//System.Drawing.Imaging.PixelFormat format = bm.PixelFormat;
//System.Drawing.Bitmap cloneBitmap = bm.Clone(cloneRect, format);
//cloneBitmap.Save(Utils.getMapPath(result), System.Drawing.Imaging.ImageFormat.Jpeg);
//bm.Dispose();
//try
//{
if (mode == "cut")
{
//如果是需要裁剪图片
Bitmap bm = new Bitmap(originalImage);
try
{
Rectangle cloneRect = new Rectangle(0, 0, towidth, toheight);
System.Drawing.Imaging.PixelFormat format = bm.PixelFormat;
System.Drawing.Bitmap cloneBitmap = bm.Clone(cloneRect, format);
cloneBitmap.Save(DoRequest.GetMapPath(result), System.Drawing.Imaging.ImageFormat.Jpeg);
}
catch (Exception) { }
finally
{
bm.Dispose();
originalImage.Dispose();
}
}
else
{
//新建一个bmp图片
System.Drawing.Image bitmap = new System.Drawing.Bitmap(towidth, toheight);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap);
g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
//设置高质量插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
//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(0, 0, ow, oh),
System.Drawing.GraphicsUnit.Pixel);
// 以下代码为保存图片时,设置压缩质量
EncoderParameters encoderParams = new EncoderParameters();
long[] quality = new long[1];
quality[0] = 100;
EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality);
encoderParams.Param[0] = encoderParam;
//获得包含有关内置图像编码解码器的信息的ImageCodecInfo 对象.
ImageCodecInfo[] arrayICI = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo jpegICI = null;
for (int xx = 0; xx < arrayICI.Length; xx++)
{
if (arrayICI[xx].FormatDescription.Equals("JPEG"))
{
jpegICI = arrayICI[xx];
//设置JPEG编码
break;
}
}
try
{
if (jpegICI != null)
{
bitmap.Save(result, jpegICI, encoderParams);
}
else
{
bitmap.Save(result, originalImage.RawFormat);
}
}
catch (Exception) { }
finally
{
bitmap.Dispose();
g.Dispose();
originalImage.Dispose();
}
}
return(result);
}
