远程上传图片＋水印效果＋缩略图
2007-03-24 13:43
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好久没写东西了，今天写玩意来给大家看看：
远程上传图片#region 远程上传图片
public class RUpload
...{
/**//// <summary>
/// 生成缩略图
/// </summary>
/// <param name="filePath"></param>
/// <param name="fileName"></param>
/// <param name="page">文件扩展名</param>
/// <param name="picwidth"></param>
/// <param name="picheight">缩略图高度</param>
public void CreateSmallImg(string filePath, string fileName, Page page, int picwidth, int picheight)
...{
try
...{
Image image = Image.FromFile(page.Server.MapPath(filePath + "/" + fileName));
Image.GetThumbnailImageAbort callback = new Image.GetThumbnailImageAbort(this.ThumbnailCallback);
image.GetThumbnailImage(picwidth, picheight, callback, new IntPtr()).Save(page.Server.MapPath(filePath + "/small_" + fileName));
image.Dispose();
}
catch
...{
}
}
/**//// <summary>
/// 添加文字水印效果
/// </summary>
/// <param name="OldPath">上传地址</param>
/// <param name="Path">保存地址</param>
/// <param name="AddText">添加的文字</param>
public void Fonts(string filePath, string fileName, Page page, string AddText)
...{
try
...{
Image image = Image.FromFile(page.Server.MapPath(filePath + "/" + fileName));
Image.GetThumbnailImageAbort callback = new Image.GetThumbnailImageAbort(this.ThumbnailCallback);
Graphics graphics = Graphics.FromImage(image);
graphics.DrawImage(image, 0, 0, image.Width, image.Height);
Font font = new Font("Verdana", 16f);
Brush brush = new SolidBrush(Color.White);
graphics.DrawString(AddText, font, brush, (float)10f, (float)10f);
graphics.Dispose();
image.Save(page.Server.MapPath(filePath + "/font_" + fileName));
image.Dispose();
}
catch (Exception exception)
...{
}
}
/**//// <summary>
/// 生成文件名
/// </summary>
/// <returns></returns>
private string GetFileName()
...{
string text = DateTime.Now.ToString("yyyymmddhhmmss").Replace(":", "").Replace("-", "").Replace(" ", "");
string text2 = this.RndNum(8);
return (text + text2);
}
/**//// <summary>
/// 远程保存缩略图的
/// </summary>
/// <param name="strs"></param>
/// <param name="oldFileName"></param>
/// <param name="filePath"></param>
/// <param name="sExt"></param>
/// <param name="page">this.Page</param>
/// <param name="picwidth"></param>
/// <param name="picheight"></param>
/// <returns></returns>
private string RemoteSave(string strs, string oldFileName, string filePath, string sExt, Page page, int picwidth, int picheight)
...{
string[] textArray = oldFileName.Split(new char[] ...{ '|' });
string text2 = strs;
for (int i = 0; i < textArray.Length; i++)
...{
string fileName = this.GetFileName() + "." + sExt;
if (this.getHttpXmlContent(textArray.GetValue(i).ToString(), page, filePath, fileName))
...{
text2 = text2.Replace(textArray.GetValue(i).ToString(), filePath + "/" + fileName);
this.CreateSmallImg(filePath, fileName, page, picwidth, picheight);
}
}
return text2;
}
/**//// <summary>
/// 远程保存文字水印的
/// </summary>
/// <param name="strs"></param>
/// <param name="oldFileName"></param>
/// <param name="filePath"></param>
/// <param name="sExt"></param>
/// <param name="page"></param>
/// <param name="text"></param>
/// <returns></returns>
private string RemoteSave(string strs, string oldFileName, string filePath, string sExt, Page page, string text)
...{
string[] textArray = oldFileName.Split(new char[] ...{ '|' });
string text2 = strs;
for (int i = 0; i < textArray.Length; i++)
...{
string fileName = this.GetFileName() + "." + sExt;
if (this.getHttpXmlContent(textArray.GetValue(i).ToString(), page, filePath, fileName))
...{
text2 = text2.Replace(textArray.GetValue(i).ToString(), filePath + "/" + fileName);
this.Fonts(filePath, fileName, page, text);
}
}
return text2;
}
/**//// <summary>
/// 远程上传
/// </summary>
/// <param name="strs">远程上传的源数据</param>
/// <param name="page">this.Page</param>
/// <param name="filePath">上传路径</param>
/// <param name="fileExt">上传的文件扩展名，可用＂|＂分隔</param>
/// <param name="picwidth">缩略图宽度</param>
/// <param name="picheight">缩略图高度</param>
/// <returns>文件名</returns>
public string RemoteUploadFile(string strs, Page page, string filePath, string fileExt, int picwidth, int picheight)
...{
string[] textArray = fileExt.Split(new char[] ...{ '|' });
string oldFileName = "";
try
...{
for (int i = 0; i < textArray.Length; i++)
...{
oldFileName = this.ReplaceUrl(strs, textArray.GetValue(i).ToString());
strs = this.RemoteSave(strs, oldFileName, filePath, textArray.GetValue(i).ToString(), page, picwidth, picheight);
}
return strs;
}
catch
...{
return strs;
}
}
public string RemoteUploadFileFont(string strs, Page page, string filePath, string fileExt, string text)
...{
string[] textArray = fileExt.Split(new char[] ...{ '|' });
string oldFileName = "";
try
...{
for (int i = 0; i < textArray.Length; i++)
...{
oldFileName = this.ReplaceUrl(strs, textArray.GetValue(i).ToString());
strs = this.RemoteSave(strs, oldFileName, filePath, textArray.GetValue(i).ToString(), page, text);
}
return strs;
}
catch
...{
return strs;
}
}
/**//// <summary>
/// 重写远程网址
/// </summary>
/// <param name="strs"></param>
/// <param name="filePath"></param>
/// <param name="sExt"></param>
/// <returns></returns>
public string ReplaceRemoteSaveUrl(string strs, string filePath, string sExt)
...{
Regex regex = new Regex("((" + filePath + @")(S*/)((S)+[.]{1}(" + sExt + ")))", RegexOptions.IgnoreCase);
string text2 = "";
int num = 0;
for (Match match = regex.Match(strs); match.Success; match = match.NextMatch())
...{
match.NextMatch();
if (num == 0)
...{
if (text2.IndexOf(match.Value) == -1)
...{
text2 = match.Value;
}
}
else if (text2.IndexOf(match.Value) == -1)
...{
text2 = text2 + "|" + match.Value;
}
num++;
}
return text2;
}
/**//// <summary>
/// 替换地址
/// </summary>
/// <param name="strs"></param>
/// <param name="sExt"></param>
/// <returns></returns>
private string ReplaceUrl(string strs, string sExt)
...{
Regex regex = new Regex(@"((http|https|ftp|rtsp|mms):(//|//){1}(([A-Za-z0-9_-])+[.]){1,}(net|com|cn|org|cc|tv|[0-9]{1,3})(S*/)((S)+[.]{1}(" + sExt + ")))", RegexOptions.IgnoreCase);
string text2 = "";
int num = 0;
for (Match match = regex.Match(strs); match.Success; match = match.NextMatch())
...{
match.NextMatch();
if (num == 0)
...{
if (text2.IndexOf(match.Value) == -1)
...{
text2 = match.Value;
}
}
else if (text2.IndexOf(match.Value) == -1)
...{
text2 = text2 + "|" + match.Value;
}
num++;
}
return text2;
}
/**//// <summary>
/// 随机数的产生
/// </summary>
/// <param name="VcodeNum"></param>
/// <returns></returns>
public string RndNum(int VcodeNum)
...{
string[] textArray = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,W,X,Y,Z".Split(new char[] ...{ ',' });
string text2 = "";
int num = -1;
Random random = new Random();
for (int i = 1; i < (VcodeNum + 1); i++)
...{
if (num != -1)
...{
random = new Random((i * num) * ((int)DateTime.Now.Ticks));
}
int index = random.Next(0x23);
if ((num != -1) && (num == index))
...{
return this.RndNum(VcodeNum);
}
num = index;
text2 = text2 + textArray[index];
}
return text2;
}
private bool ThumbnailCallback()
...{
return false;
}
private bool getHttpXmlContent(string url, Page page, string filePath, string fileName)
...{
string text = "";
string path = filePath + "/" + fileName;
try
...{
byte[] buffer = new byte[0];
WebResponse response = WebRequest.Create(url).GetResponse();
Stream responseStream = response.GetResponseStream();
if (!response.ContentType.ToLower().StartsWith("text/"))
...{
int count;
byte[] buffer2 = new byte[0x400];
Stream stream2 = File.Create(page.Server.MapPath(path));
do
...{
count = responseStream.Read(buffer2, 0, buffer2.Length);
if (count > 0)
...{
stream2.Write(buffer2, 0, count);
}
}
while (count > 0);
stream2.Close();
}
else
...{
text = new StreamReader(responseStream, Encoding.Default).ReadToEnd();
StreamWriter writer = new StreamWriter(page.Server.MapPath(path));
writer.Write(text);
writer.Flush();
writer.Close();
}
responseStream.Close();
return true;
}
catch
...{
return false;
}
}
}
#endregion
远程上传图片#region 远程上传图片
public class RUpload
...{
/**//// <summary>
/// 生成缩略图
/// </summary>
/// <param name="filePath"></param>
/// <param name="fileName"></param>
/// <param name="page">文件扩展名</param>
/// <param name="picwidth"></param>
/// <param name="picheight">缩略图高度</param>
public void CreateSmallImg(string filePath, string fileName, Page page, int picwidth, int picheight)
...{
try
...{
Image image = Image.FromFile(page.Server.MapPath(filePath + "/" + fileName));
Image.GetThumbnailImageAbort callback = new Image.GetThumbnailImageAbort(this.ThumbnailCallback);
image.GetThumbnailImage(picwidth, picheight, callback, new IntPtr()).Save(page.Server.MapPath(filePath + "/small_" + fileName));
image.Dispose();
}
catch
...{
}
}
/**//// <summary>
/// 添加文字水印效果
/// </summary>
/// <param name="OldPath">上传地址</param>
/// <param name="Path">保存地址</param>
/// <param name="AddText">添加的文字</param>
public void Fonts(string filePath, string fileName, Page page, string AddText)
...{
try
...{
Image image = Image.FromFile(page.Server.MapPath(filePath + "/" + fileName));
Image.GetThumbnailImageAbort callback = new Image.GetThumbnailImageAbort(this.ThumbnailCallback);
Graphics graphics = Graphics.FromImage(image);
graphics.DrawImage(image, 0, 0, image.Width, image.Height);
Font font = new Font("Verdana", 16f);
Brush brush = new SolidBrush(Color.White);
graphics.DrawString(AddText, font, brush, (float)10f, (float)10f);
graphics.Dispose();
image.Save(page.Server.MapPath(filePath + "/font_" + fileName));
image.Dispose();
}
catch (Exception exception)
...{
}
}
/**//// <summary>
/// 生成文件名
/// </summary>
/// <returns></returns>
private string GetFileName()
...{
string text = DateTime.Now.ToString("yyyymmddhhmmss").Replace(":", "").Replace("-", "").Replace(" ", "");
string text2 = this.RndNum(8);
return (text + text2);
}
/**//// <summary>
/// 远程保存缩略图的
/// </summary>
/// <param name="strs"></param>
/// <param name="oldFileName"></param>
/// <param name="filePath"></param>
/// <param name="sExt"></param>
/// <param name="page">this.Page</param>
/// <param name="picwidth"></param>
/// <param name="picheight"></param>
/// <returns></returns>
private string RemoteSave(string strs, string oldFileName, string filePath, string sExt, Page page, int picwidth, int picheight)
...{
string[] textArray = oldFileName.Split(new char[] ...{ '|' });
string text2 = strs;
for (int i = 0; i < textArray.Length; i++)
...{
string fileName = this.GetFileName() + "." + sExt;
if (this.getHttpXmlContent(textArray.GetValue(i).ToString(), page, filePath, fileName))
...{
text2 = text2.Replace(textArray.GetValue(i).ToString(), filePath + "/" + fileName);
this.CreateSmallImg(filePath, fileName, page, picwidth, picheight);
}
}
return text2;
}
/**//// <summary>
/// 远程保存文字水印的
/// </summary>
/// <param name="strs"></param>
/// <param name="oldFileName"></param>
/// <param name="filePath"></param>
/// <param name="sExt"></param>
/// <param name="page"></param>
/// <param name="text"></param>
/// <returns></returns>
private string RemoteSave(string strs, string oldFileName, string filePath, string sExt, Page page, string text)
...{
string[] textArray = oldFileName.Split(new char[] ...{ '|' });
string text2 = strs;
for (int i = 0; i < textArray.Length; i++)
...{
string fileName = this.GetFileName() + "." + sExt;
if (this.getHttpXmlContent(textArray.GetValue(i).ToString(), page, filePath, fileName))
...{
text2 = text2.Replace(textArray.GetValue(i).ToString(), filePath + "/" + fileName);
this.Fonts(filePath, fileName, page, text);
}
}
return text2;
}
/**//// <summary>
/// 远程上传
/// </summary>
/// <param name="strs">远程上传的源数据</param>
/// <param name="page">this.Page</param>
/// <param name="filePath">上传路径</param>
/// <param name="fileExt">上传的文件扩展名，可用＂|＂分隔</param>
/// <param name="picwidth">缩略图宽度</param>
/// <param name="picheight">缩略图高度</param>
/// <returns>文件名</returns>
public string RemoteUploadFile(string strs, Page page, string filePath, string fileExt, int picwidth, int picheight)
...{
string[] textArray = fileExt.Split(new char[] ...{ '|' });
string oldFileName = "";
try
...{
for (int i = 0; i < textArray.Length; i++)
...{
oldFileName = this.ReplaceUrl(strs, textArray.GetValue(i).ToString());
strs = this.RemoteSave(strs, oldFileName, filePath, textArray.GetValue(i).ToString(), page, picwidth, picheight);
}
return strs;
}
catch
...{
return strs;
}
}
public string RemoteUploadFileFont(string strs, Page page, string filePath, string fileExt, string text)
...{
string[] textArray = fileExt.Split(new char[] ...{ '|' });
string oldFileName = "";
try
...{
for (int i = 0; i < textArray.Length; i++)
...{
oldFileName = this.ReplaceUrl(strs, textArray.GetValue(i).ToString());
strs = this.RemoteSave(strs, oldFileName, filePath, textArray.GetValue(i).ToString(), page, text);
}
return strs;
}
catch
...{
return strs;
}
}
/**//// <summary>
/// 重写远程网址
/// </summary>
/// <param name="strs"></param>
/// <param name="filePath"></param>
/// <param name="sExt"></param>
/// <returns></returns>
public string ReplaceRemoteSaveUrl(string strs, string filePath, string sExt)
...{
Regex regex = new Regex("((" + filePath + @")(S*/)((S)+[.]{1}(" + sExt + ")))", RegexOptions.IgnoreCase);
string text2 = "";
int num = 0;
for (Match match = regex.Match(strs); match.Success; match = match.NextMatch())
...{
match.NextMatch();
if (num == 0)
...{
if (text2.IndexOf(match.Value) == -1)
...{
text2 = match.Value;
}
}
else if (text2.IndexOf(match.Value) == -1)
...{
text2 = text2 + "|" + match.Value;
}
num++;
}
return text2;
}
/**//// <summary>
/// 替换地址
/// </summary>
/// <param name="strs"></param>
/// <param name="sExt"></param>
/// <returns></returns>
private string ReplaceUrl(string strs, string sExt)
...{
Regex regex = new Regex(@"((http|https|ftp|rtsp|mms):(//|//){1}(([A-Za-z0-9_-])+[.]){1,}(net|com|cn|org|cc|tv|[0-9]{1,3})(S*/)((S)+[.]{1}(" + sExt + ")))", RegexOptions.IgnoreCase);
string text2 = "";
int num = 0;
for (Match match = regex.Match(strs); match.Success; match = match.NextMatch())
...{
match.NextMatch();
if (num == 0)
...{
if (text2.IndexOf(match.Value) == -1)
...{
text2 = match.Value;
}
}
else if (text2.IndexOf(match.Value) == -1)
...{
text2 = text2 + "|" + match.Value;
}
num++;
}
return text2;
}
/**//// <summary>
/// 随机数的产生
/// </summary>
/// <param name="VcodeNum"></param>
/// <returns></returns>
public string RndNum(int VcodeNum)
...{
string[] textArray = "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,W,X,Y,Z".Split(new char[] ...{ ',' });
string text2 = "";
int num = -1;
Random random = new Random();
for (int i = 1; i < (VcodeNum + 1); i++)
...{
if (num != -1)
...{
random = new Random((i * num) * ((int)DateTime.Now.Ticks));
}
int index = random.Next(0x23);
if ((num != -1) && (num == index))
...{
return this.RndNum(VcodeNum);
}
num = index;
text2 = text2 + textArray[index];
}
return text2;
}
private bool ThumbnailCallback()
...{
return false;
}
private bool getHttpXmlContent(string url, Page page, string filePath, string fileName)
...{
string text = "";
string path = filePath + "/" + fileName;
try
...{
byte[] buffer = new byte[0];
WebResponse response = WebRequest.Create(url).GetResponse();
Stream responseStream = response.GetResponseStream();
if (!response.ContentType.ToLower().StartsWith("text/"))
...{
int count;
byte[] buffer2 = new byte[0x400];
Stream stream2 = File.Create(page.Server.MapPath(path));
do
...{
count = responseStream.Read(buffer2, 0, buffer2.Length);
if (count > 0)
...{
stream2.Write(buffer2, 0, count);
}
}
while (count > 0);
stream2.Close();
}
else
...{
text = new StreamReader(responseStream, Encoding.Default).ReadToEnd();
StreamWriter writer = new StreamWriter(page.Server.MapPath(path));
writer.Write(text);
writer.Flush();
writer.Close();
}
responseStream.Close();
return true;
}
catch
...{
return false;
}
}
}
#endregion
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