• jmail组建开发实例,基于asp

    在Asp程序中用Jmail发邮件的比较多,主要是因为多数虚拟主机支持他,其它的支持的较少。下面是一个Jmail发邮件的例子代码.

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  • 邮件系统开发功能包

    jmail是一种服务器端的邮件发送组件,和个人用的客户端邮件软件不一样的。jmail是在服务器上给程序用来发邮件用的,除了软件编程人员,其他人一般平常用不上。   jmail是一个第三方邮件操作组件,通常位于web服务器端,和站点程序紧密配合来接收及提交邮件到邮件服务器的控件,让网站拥有发送邮件及接收邮件的功能。

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  • wecenter_3-0-0

    WeCenter 是一款知识型的社交化开源社区程序,专注于企业和行业社区内容的整理、归类、检索和再发行。

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  • 判断字符串格式的时间

    //判断字符串格式的时间是否符合要求 public int IsDate(string strDate) { System.Text.RegularExpressions.Regex strReg = new System.Text.RegularExpressions.Regex(@"\d{4}-\d{1,2}-\d{1,2}"); if (strReg.IsMatch(strDate)) { return 1; } else { return 0; } }

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  • 判断字符串格式的整型是否符合要求

    public int IsInt(string strInt) { System.Text.RegularExpressions.Regex strReg = new System.Text.RegularExpressions.Regex(@"^-?\d*$"); if (strReg.IsMatch(strInt)) { return 1; } else { return 0; } }

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  • 验证码代码

    web页面验证码代码 private void CreateCheckCodeImage(string[] checkCode) { if (checkCode == null || checkCode.Length <= 0) return; System.Drawing.Bitmap image = new System.Drawing.Bitmap((int)Math.Ceiling((checkCode.Length * 32.5)), 30); System.Drawing.Graphics g = Graphics.FromImage(image); try { Random random = new Random(); //清空图片背景色 g.Clear(Color.White); //画图片的背景噪音线 for (int i = 0; i < 20; 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.Silver), x1, y1, x2, y2); } //定义颜色 Color[] c = { Color.Black, Color.Red, Color.DarkBlue, Color.Green, Color.Orange, Color.Brown, Color.DarkCyan, Color.Purple }; //定义字体 string[] f = { "Verdana", "Microsoft Sans Serif", "Comic Sans MS", "Arial", "宋体" }; for (int k = 0; k <= checkCode.Length - 1; k++) { int cindex = random.Next(7); int findex = random.Next(5); Font drawFont = new Font(f[findex], 15, (System.Drawing.FontStyle.Bold)); SolidBrush drawBrush = new SolidBrush(c[cindex]); float x = 5.0F; float y = 0.0F; float width = 20.0F; float height = 25.0F; int sjx = random.Next(10); int sjy = random.Next(image.Height - (int)height); RectangleF drawRect = new RectangleF(x + sjx + (k * 25), y + sjy, width, height); StringFormat drawFormat = new StringFormat(); drawFormat.Alignment = StringAlignment.Center; g.DrawString(checkCode[k], drawFont, drawBrush, drawRect, drawFormat); } //画图片的前景噪音点 for (int i = 0; i < 100; i++) { int x = random.Next(image.Width); int y = random.Next(image.Height); image.SetPixel(x, y, Color.FromArgb(random.Next())); } //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()); } finally { g.Dispose(); image.Dispose(); } }

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