//[SuppressMessage("Microsoft.Naming", "CA1704:IdentifiersShouldBeSpelledCorrectly", MessageId = "V", Justification = "V stands for value")]
//[SuppressMessage("Microsoft.Naming", "CA1715:IdentifiersShouldHaveCorrectPrefix", MessageId = "T", Justification = "V stands for value")]
/// <summary>获取属性值</summary>
/// <typeparam name="V"></typeparam>
/// <param name="propertyName"></param>
/// <param name="nullValue"></param>
/// <returns></returns>
protected V GetPropertyValue <V>(string propertyName, V nullValue)
{
if (ViewState[propertyName] == null)
{
//+ 控件状态没有设置时，使用配置文件的全局设置
String name = this.GetType().FullName + "." + propertyName;
if (typeof(V) == typeof(String) ||
typeof(V) == typeof(Int32) ||
typeof(V) == typeof(Boolean))
{
return(Config.GetConfig <V>(name, nullValue));
}
if (typeof(V) == typeof(Color))
{
String str = Config.GetConfig <String>(name, null);
if (!String.IsNullOrEmpty(str))
{
TypeConverter convert = new WebColorConverter();
try
{
return((V)convert.ConvertFromString(str));
}
catch { }
}
}
return(nullValue);
}
return((V)ViewState[propertyName]);
}
/// <summary>
/// 获取图片
/// </summary>
public byte[] GetImage()
{
Bitmap image = new Bitmap(validateCode.Length * 20, 35);
Graphics g = Graphics.FromImage(image);
try
{
WebColorConverter ww = new WebColorConverter();
g.Clear((Color)ww.ConvertFromString("#" + validateColor));
Random random = new Random();
//画图片的噪音线
for (int i = 0; i < 12; i++)
{
int x1 = random.Next(image.Width);
int x2 = random.Next(image.Width);
int y1 = random.Next(image.Height);
int y2 = random.Next(image.Height);
g.DrawLine(new Pen(Color.LightGray), x1, y1, x2, y2);
}
Font font = new Font("Georgia", 20, FontStyle.Bold | FontStyle.Italic);
LinearGradientBrush brush = new LinearGradientBrush(new Rectangle(0, 0, image.Width, image.Height), Color.Blue, Color.Gray, 1.2f, true);
g.DrawString(validateCode, font, brush, 0, 0);
//画图片的噪音点
for (int i = 0; i < 12; i++)
{
int x = random.Next(image.Width);
int y = random.Next(image.Height);
image.SetPixel(x, y, Color.White);
}
//画图片的噪音线
for (int i = 0; i < 12; i++)
{
int x1 = random.Next(image.Width);
int x2 = random.Next(image.Width);
int y1 = random.Next(image.Height);
int y2 = random.Next(image.Height);
g.DrawLine(new Pen(Color.FromArgb(random.Next())), x1, y1, x2, y2);
}
//画图片的边框线
//g.DrawRectangle(new Pen(Color.Silver), 0, 0, image.Width - 1, image.Height - 1);
MemoryStream ms = new MemoryStream();
image.Save(ms, ImageFormat.Gif);
return(ms.ToArray());
}
finally
{
g.Dispose();
image.Dispose();
}
}
protected void HideLabels(Label lblToShow, string color)
{
lblDeleteStatus.Visible = false;
lblFileUploaded.Visible = false;
lblMessage.Visible = false;
lblToShow.Visible = true;
WebColorConverter converter = new WebColorConverter();
lblToShow.ForeColor = (System.Drawing.Color)converter.ConvertFromString(color);
}
/// <summary>
/// #ff00ff, #f0f => color
/// </summary>
/// <param name="text"></param>
/// <returns></returns>
private Color ConvertStringToColor(string text)
{
if (!string.IsNullOrEmpty(text))
{
Color r = Color.White;
WebColorConverter wcc = new WebColorConverter();
text.Trim();
text = text.Replace("#", "");
if (text.Length == 6)
{
r = (Color)wcc.ConvertFromString("#" + text);
}
if (text.Length == 3)
{
text = string.Format("{0}{0}{1}{1}{2}{2}",
text[0], text[1], text[2]);
r = (Color)wcc.ConvertFromString("#" + text);
}
return(r);
}
return(Color.White);
}
protected void OpenInIFrame(ExcelWorksheetCollection worksheets, string currentSheet)
{
#region Set Active Worksheet
if (currentSheet != null)
{
worksheets.ActiveWorksheet = worksheets[currentSheet];
}
else
{
worksheets.ActiveWorksheet = worksheets[0];
}
#endregion
#region Save Html file of Excel file
WebColorConverter converter = new WebColorConverter();
lblSheet.ForeColor = (Color)converter.ConvertFromString("ThreeDDarkShadow");
lblSheet.Text = "You are watching sheet <b>" + worksheets.ActiveWorksheet.Name + "</b> of total <b>" + worksheets.Count + "</b> sheets in excel file <b>" + nameOfFile + "</b>";
string file = nameOfFile + "_" + worksheets.ActiveWorksheet.Name;
string uplPath = Server.MapPath(@"~/Documents/Excel_Html/" + file + ".html");
string virPath = HttpRuntime.AppDomainAppVirtualPath + @"/Documents/Excel_Html/" + file + ".html";
xcel.SaveHtml(uplPath, null, true);
#endregion
#region Set Iframe src path
excelFrame.Visible = true;
excelFrame.Attributes["src"] = virPath;
#endregion
#region Show error if there is no data in the sheet
CellRange range = worksheets.ActiveWorksheet.GetUsedCellRange(true);
if (range == null)
{
lblSheet.ForeColor = System.Drawing.Color.Red;
lblSheet.Text = "<b>ERROR</b> - There is no data in the selected sheet <b>" + worksheets.ActiveWorksheet.Name + "</b>";
}
#endregion
}
/*产生验证图片*/
public byte[] CreateImages(string code)
{
Bitmap image = new Bitmap(60, 20);
Graphics g = Graphics.FromImage(image);
WebColorConverter ww = new WebColorConverter();
g.Clear((Color)ww.ConvertFromString("#FAE264"));
Random random = new Random();
//画图片的背景噪音线
for (int i = 0; i < 12; i++)
{
int x1 = random.Next(image.Width);
int x2 = random.Next(image.Width);
int y1 = random.Next(image.Height);
int y2 = random.Next(image.Height);
g.DrawLine(new Pen(Color.LightGray), x1, y1, x2, y2);
}
Font font = new Font("Arial", 15, FontStyle.Bold | FontStyle.Italic);
System.Drawing.Drawing2D.LinearGradientBrush brush = new System.Drawing.Drawing2D.LinearGradientBrush(
new Rectangle(0, 0, image.Width, image.Height), Color.Blue, Color.Gray, 1.2f, true);
g.DrawString(code, font, brush, 0, 0);
//画图片的前景噪音点
for (int i = 0; i < 10; i++)
{
int x = random.Next(image.Width);
int y = random.Next(image.Height);
image.SetPixel(x, y, Color.White);
}
//画图片的边框线
g.DrawRectangle(new Pen(Color.Silver), 0, 0, image.Width - 1, image.Height - 1);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
byte[] bytes = ms.GetBuffer();
ms.Close();
g.Dispose();
image.Dispose();
return(bytes);
}
/*产生验证图片*/
public void CreateImage(string code)
{
Bitmap image = new Bitmap(60, 25);
Graphics g = Graphics.FromImage(image);
WebColorConverter ww = new WebColorConverter();
g.Clear((Color)ww.ConvertFromString("#FAE264"));
Random random = new Random();
//画图片的背景噪音线
for (int i = 0; i < 12; i++)
{
int x1 = random.Next(image.Width);
int x2 = random.Next(image.Width);
int y1 = random.Next(image.Height);
int y2 = random.Next(image.Height);
g.DrawLine(new Pen(Color.LightGray), x1, y1, x2, y2);
}
Font font = new Font("宋体", 14, FontStyle.Bold);
System.Drawing.Drawing2D.LinearGradientBrush brush = new System.Drawing.Drawing2D.LinearGradientBrush(
new Rectangle(0, 0, image.Width, image.Height), Color.Blue, Color.Gray, 1.2f, true);
g.DrawString(code, font, brush, 0, 0);
//画图片的前景噪音点
for (int i = 0; i < 10; i++)
{
int x = random.Next(image.Width);
int y = random.Next(image.Height);
image.SetPixel(x, y, Color.White);
}
//画图片的边框线
g.DrawRectangle(new Pen(Color.Silver), 0, 0, image.Width - 1, image.Height - 1);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
Response.ClearContent();
Response.ContentType = "image/Gif";
Response.BinaryWrite(ms.ToArray());
g.Dispose();
image.Dispose();
}
public void CreateImages(string code)
{
Bitmap image = new Bitmap(60, 20);
Graphics g = Graphics.FromImage(image);
WebColorConverter ww = new WebColorConverter();
g.Clear((Color)ww.ConvertFromString("#AAE264"));
Random random = new Random();
for (int i = 0; i < 12; i++)
{
int x1 = random.Next(image.Width);
int x2 = random.Next(image.Width);
int y1 = random.Next(image.Height);
int y2 = random.Next(image.Height);
g.DrawLine(new Pen(Color.LightGray), x1, y1, x2, y2);
}
Font font = new Font("Arial", 15, FontStyle.Bold | FontStyle.Italic);
System.Drawing.Drawing2D.LinearGradientBrush brush = new System.Drawing.Drawing2D.LinearGradientBrush(
new Rectangle(0, 0, image.Width, image.Height), Color.Blue, Color.Gray, 1.2f, true);
g.DrawString(code, font, brush, 0, 0);
for (int i = 0; i < 10; i++)
{
int x = random.Next(image.Width);
int y = random.Next(image.Height);
image.SetPixel(x, y, Color.White);
}
g.DrawRectangle(new Pen(Color.Silver), 0, 0, image.Width - 1, image.Height - 1);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
Response.ClearContent();
Response.ContentType = "image/Gif";
Response.BinaryWrite(ms.ToArray());
g.Dispose();
image.Dispose();
}
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Drawing;
using System.IO;
public partial class ImgVode : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string checkCode = CreateCode(4);
Session["CheckCode"] = checkCode;
CreateImage(checkCode);
}
/*产生验证码*/
public string CreateCode(int codeLength)
{
string so = "2,3,4,5,6,7,8,9,a,b,c,d,e,f,g,h,j,k,m,n,p,q,r,s,t,u,v,w,x,y,z,A,B,C,D,E,F,G,H,J,K,M,N,P,Q,R,S,T,U,V,W,X,Y,Z";
string[] strArr=so.Split(',');
string code = "";
Random rand=new Random();
for (int i = 0; i < codeLength; i++)
{
code+=strArr[rand.Next(0, strArr.Length)];
}
return code;
}
/*产生验证图片*/
public void CreateImage(string code)
{
Bitmap image = new Bitmap(80, 28);
Graphics g = Graphics.FromImage(image);
WebColorConverter ww=new WebColorConverter();
g.Clear((Color)ww.ConvertFromString("#ADC0D4"));
Random random = new Random();
//画图片的背景噪音线
for (int i = 0; i < 50; i++)
{
int x1 = random.Next(image.Width);
int x2 = random.Next(image.Width);
int y1 = random.Next(image.Height);
int y2 = random.Next(image.Height);
g.DrawLine(new Pen(Color.LightGray), x1, y1, x2, y2);
}
Font font = new Font("Arial", 18, FontStyle.Bold | FontStyle.Italic);
System.Drawing.Drawing2D.LinearGradientBrush brush = new System.Drawing.Drawing2D.LinearGradientBrush(
new Rectangle(0,0,image.Width,image.Height),Color.Blue,Color.Gray,50,true);
g.DrawString(code, font, brush, 4, 0);
//画图片的前景噪音点
for (int i = 0; i < 60; i++)
{
int x = random.Next(image.Width);
int y = random.Next(image.Height);
image.SetPixel(x, y, Color.Blue);
}
//画图片的边框线
g.DrawRectangle(new Pen(Color.Black), 0, 0, image.Width - 1, image.Height - 1);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
Response.ClearContent();
Response.ContentType = "image/Gif";
Response.BinaryWrite(ms.ToArray());
g.Dispose();
image.Dispose();
}
}
public static Image CreateKitProductImage(LifeStyleColors color, Image productImage, Size imageSize, bool transparent, Color backgroundColor, bool antiAlias)
{
Bitmap result = new Bitmap(imageSize.Width, imageSize.Height);
using (Graphics g = Graphics.FromImage(result))
{
g.Clear(backgroundColor);
if (antiAlias)
{
g.SmoothingMode = SmoothingMode.HighQuality;
}
else
{
g.SmoothingMode = SmoothingMode.HighSpeed;
}
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
// background
// circle
#region Draw Circle
Color _colorOuter;
Color _colorInner;
WebColorConverter cc = new WebColorConverter();
switch (color)
{
case LifeStyleColors.LightBlue:
_colorOuter = (Color)cc.ConvertFromString("#A8BADE");
_colorInner = (Color)cc.ConvertFromString("#89A5D5");
break;
case LifeStyleColors.Orange:
_colorOuter = (Color)cc.ConvertFromString("#F7C272");
_colorInner = (Color)cc.ConvertFromString("#F2B248");
break;
case LifeStyleColors.Gray:
_colorInner = (Color)cc.ConvertFromString("#616d8d");
_colorOuter = (Color)cc.ConvertFromString("#3d5076");
break;
case LifeStyleColors.Blue:
default:
_colorOuter = (Color)cc.ConvertFromString("#425790");
_colorInner = (Color)cc.ConvertFromString("#2C4985");
break;
}
Rectangle outerRect = new Rectangle(1, 1, imageSize.Width - 2, imageSize.Height - 2);
float borderWidth = 0.1f;
g.FillEllipse(new SolidBrush(_colorOuter), outerRect);
outerRect.Inflate((int)(-borderWidth * outerRect.Width), (int)(-borderWidth * outerRect.Height));
g.FillEllipse(new SolidBrush(_colorInner), outerRect);
#endregion
double maxWidth = Math.Sin(0.25 * Math.PI) * (double)imageSize.Width;
double maxHeight = Math.Cos(0.25 * Math.PI) * (double)imageSize.Height;
#region Product
int avX = (int)maxWidth; // - (int)(2 * (_padding * imageSize.Width));
int avY = (int)maxHeight; // -(int)(2 * (_padding * imageSize.Height));
Rectangle resizedSize = GetFixedSize(productImage, avX, avY, true);
int x = (imageSize.Width - resizedSize.Width) / 2;
int y = (imageSize.Height - resizedSize.Height) / 2;
g.DrawImage(productImage, new Rectangle(x, y, resizedSize.Width, resizedSize.Height));
#endregion
// product
}
result.MakeTransparent(backgroundColor);
return(result);
}
