using System;using System.Data;using System.Configuration;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.Data.OleDb;using System.Data.SqlClient;using System.Drawing;using System.Text.RegularExpressions;//regexusing System.Text;//Encodingusing System.Security;//登录验证using System.IO;
/**//// <summary>
/// Summary description for config
/// </summary>public class config
{
构造函数#region 构造函数 public config() { // // TODO: Add constructor logic here //
} #endregion access建立连接#region access建立连接 public static OleDbConnection createCon() { OleDbConnection con = new OleDbConnection(System.Configuration.ConfigurationManager.ConnectionStrings["creTableConnectionString"].ConnectionString); return con; } #endregion sqlserver2000建立连接#region sqlserver2000建立连接 public static SqlConnection createSqlCon() { SqlConnection consql = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["creTableConnectionString"].ConnectionString); return consql; } #endregion 过滤单引号#region 过滤单引号 /**//// <summary> /// 过滤单引号 返回String /// </summary> /// <param name="Str"></param> /// <returns></returns> public static string Chk39(string Str) { if ((Str=="")||(Str==null)) Str = ""; else Str = Str.Replace("'","'"); return Str; } #endregion 反过滤单引号#region 反过滤单引号 /**//// <summary> /// 反过滤单引号 Return String /// </summary> /// <param name="Str"></param> /// <returns></returns> public static string ReChk39(string Str) { Str = Str.Replace("'","'"); return Str; } #endregion 判断用户是否登录#region 判断用户是否登录 public static void sessionIS()//判断用户是否登陆 { //System.Web.HttpResponse response = new System.Web.HttpContext. //System.Web.HttpResponse response = new System.Web.HttpContext. System.Web.HttpResponse response = System.Web.HttpContext.Current.Response; string sid = Convert.ToString(System.Web.HttpContext.Current.Session["USERID"]); string name = Convert.ToString(System.Web.HttpContext.Current.Session["USERNAME"]); if (name == null || name == "" || sid == null || sid == "") { response.Write("<script>window.parent.location.href='login.aspx';</script>"); response.End(); } } #endregion 弹出JavaScript小窗口#region 弹出JavaScript小窗口 /**//// <summary> /// 弹出JavaScript小窗口 /// </summary> /// <param name="js">窗口信息</param> public static void Alert(string message) { string js = @"<Script language='JavaScript'> alert('" + message + "');</Script>"; HttpContext.Current.Response.Write(js); } #endregion 弹出消息框并且转向到新的#region 弹出消息框并且转向到新的 /**///// <summary> /// 弹出消息框并且转向到新的URL /// </summary> /// <param name="message">消息内容</param> /// <param name="toURL">连接地址</param> public static void AlertAndRedirect(string message, string toURL) { string js = "<script language=javascript>alert('{0}');window.location.replace('{1}')</script>"; HttpContext.Current.Response.Write(string.Format(js, message, toURL)); } #endregion 回到历史页面#region 回到历史页面 /**//**//**//// <summary> /// 回到历史页面 /// </summary> /// <param name="value">-1/1</param> public static void GoHistory(int value) { string js = @"<Script language='JavaScript'> history.go({0}); </Script>"; HttpContext.Current.Response.Write(string.Format(js, value)); } #endregion 关闭当前窗口#region 关闭当前窗口 /**//**//**//// <summary> /// 关闭当前窗口 /// </summary> public static void CloseWindow() { string js = @"<Script language='JavaScript'> parent.opener=null;window.close(); </Script>"; HttpContext.Current.Response.Write(js); HttpContext.Current.Response.End(); } #endregion 刷新父窗口#region 刷新父窗口 /**//**//**//// <summary> /// 刷新父窗口 /// </summary> public static void RefreshParent(string url) { string js = @"<Script language='JavaScript'> window.opener.location.href='"+url+"';window.close();</Script>"; HttpContext.Current.Response.Write(js); } #endregion 刷新打开窗口#region 刷新打开窗口 /**//**//**//// <summary> /// 刷新打开窗口 /// </summary> public static void RefreshOpener() { string js = @"<Script language='JavaScript'> windows.opener.location.reload(); </Script>"; HttpContext.Current.Response.Write(js); } #endregion 打开指定大小的新窗体#region 打开指定大小的新窗体 /**//**//**//// <summary> /// 打开指定大小的新窗体 /// </summary> /// <param name="url">地址</param> /// <param name="width">宽</param> /// <param name="heigth">高</param> /// <param name="top">头位置</param> /// <param name="left">左位置</param> public static void OpenWebFormSize(string url, int width,int heigth,int top,int left) { string js = @"<Script language='JavaScript'>window.open('" + url + @"','','height=" + heigth + ",width=" + width + ",top="+top+",left="+left+",location=no,menubar=no,resizable=yes,scrollbars=yes,status=yes,titlebar=no,toolbar=no,directories=no');</Script>"; HttpContext.Current.Response.Write(js); } #endregion 转向Url制定的页面#region 转向Url制定的页面 /**//**//**//// <summary> /// 转向Url制定的页面 /// </summary> /// <param name="url">连接地址</param> public static void JavaScriptLocationHref(string url) { string js = @"<Script language='JavaScript'> window.location.replace('{0}'); </Script>"; js = string.Format(js, url); HttpContext.Current.Response.Write(js); } #endregion 打开指定大小位置的模式对话框#region 打开指定大小位置的模式对话框 /**//**//**//// <summary> /// 打开指定大小位置的模式对话框 /// </summary> /// <param name="webFormUrl">连接地址</param> /// <param name="width">宽</param> /// <param name="height">高</param> /// <param name="top">距离上位置</param> /// <param name="left">距离左位置</param> public static void ShowModalDialogWindow(string webFormUrl, int width, int height, int top, int left) { string features = "dialogWidth:" + width.ToString() + "px" + ";dialogHeight:" + height.ToString() + "px" + ";dialogLeft:" + left.ToString() + "px" + ";dialogTop:" + top.ToString() + "px" + ";center:yes;help=no;resizable:no;status:no;scroll=yes"; ShowModalDialogWindow(webFormUrl, features); } public static void ShowModalDialogWindow(string webFormUrl, string features) { string js = ShowModalDialogJavascript(webFormUrl, features); HttpContext.Current.Response.Write(js); } public static string ShowModalDialogJavascript(string webFormUrl, string features) { string js = @"<script language=javascript> showModalDialog('" + webFormUrl + "','','" + features + "');</script>"; return js; } #endregion 过滤输入的信息#region 过滤输入的信息 /**//// <summary> /// 过滤输入的信息 /// </summary> /// <param name="text">要过滤的字符串</param> /// <param name="maxLength">最大长度</param> /// <returns></returns> public static string InputText(string text, int maxLength) { text = text.Trim(); if (string.IsNullOrEmpty(text)) return string.Empty; if (text.Length > maxLength) text = text.Substring(0, maxLength); text = Regex.Replace(text, "[\\s]{2,}", " "); //two or more spaces text = Regex.Replace(text, "(<[b|B][r|R]/*>)+|(<[p|P](.|\\n)*?>)", "\n"); //<br> text = Regex.Replace(text, "(\\s*&[n|N][b|B][s|S][p|P];\\s*)+", " "); // text = Regex.Replace(text, "<(.|\\n)*?>", string.Empty); //any other tags text = text.Replace("'", "''"); return text; } #endregion 截取字符串函数#region 截取字符串函数 /**//// <summary> /// 截取字符串函数 /// </summary> /// <param name="str">所要截取的字符串</param> /// <param name="num">截取字符串的长度</param> /// <returns></returns> public static string GetSubString(string str, int num) { return (str.Length > num) ? str.Substring(0, num) + "" : str; } #endregion 特殊字符的转换#region 特殊字符的转换 public static string Encode(string str) { str = str.Replace("'", "＇"); str = str.Replace("\"", """); str = str.Replace("<", "<"); str = str.Replace(">", ">"); return str; } public static string Decode(string str) { str = str.Replace(">", ">"); str = str.Replace("<", "<"); str = str.Replace(" ", " "); str = str.Replace(""", "\""); return str; } #endregion 字符传的转换 用在查询 登陆时 防止恶意的盗取密码#region 字符传的转换 用在查询 登陆时 防止恶意的盗取密码 public static string TBCode(string strtb) { strtb = strtb.Replace("!", ""); strtb = strtb.Replace("@", ""); strtb = strtb.Replace("#", ""); strtb = strtb.Replace("$", ""); strtb = strtb.Replace("%", ""); strtb = strtb.Replace("^", ""); strtb = strtb.Replace("&", ""); strtb = strtb.Replace("*", ""); strtb = strtb.Replace("(", ""); strtb = strtb.Replace(")", ""); strtb = strtb.Replace("_", ""); strtb = strtb.Replace("+", ""); strtb = strtb.Replace("|", ""); strtb = strtb.Replace("?", ""); strtb = strtb.Replace("/", ""); strtb = strtb.Replace(".", ""); strtb = strtb.Replace(">", ""); strtb = strtb.Replace("<", ""); strtb = strtb.Replace("{", ""); strtb = strtb.Replace("}", ""); strtb = strtb.Replace("[", ""); strtb = strtb.Replace("]", ""); strtb = strtb.Replace("-", ""); strtb = strtb.Replace("=", ""); strtb = strtb.Replace(",", ""); return strtb; } #endregion 获取汉字第一个拼音#region 获取汉字第一个拼音 /**//**/ /**//// <summary> /// 获取汉字第一个拼音 /// </summary> /// <param name="input"></param> /// <returns></returns> static public string getSpells(string input) { int len = input.Length; string reVal = ""; for (int i = 0; i < len; i++) { reVal += getSpell(input.Substring(i, 1)); } return reVal; } static public string getSpell(string cn) { byte[] arrCN = Encoding.Default.GetBytes(cn); if (arrCN.Length > 1) { int area = (short)arrCN[0]; int pos = (short)arrCN[1]; int code = (area << 8) + pos; int[] areacode = { 45217, 45253, 45761, 46318, 46826, 47010, 47297, 47614, 48119, 48119, 49062, 49324, 49896, 50371, 50614, 50622, 50906, 51387, 51446, 52218, 52698, 52698, 52698, 52980, 53689, 54481 }; for (int i = 0; i < 26; i++) { int max = 55290; if (i != 25) max = areacode[i + 1]; if (areacode[i] <= code && code < max) { return Encoding.Default.GetString(new byte[] { (byte)(65 + i) }); } } return "?"; } else return cn; } #endregion 半角转全角#region 半角转全角 /**//**/ /**//// <summary> /// 半角转全角 /// </summary> /// <param name="BJstr"></param> /// <returns></returns> static public string GetQuanJiao(string BJstr) { char[] c = BJstr.ToCharArray(); for (int i = 0; i < c.Length; i++) { byte[] b = System.Text.Encoding.Unicode.GetBytes(c, i, 1); if (b.Length == 2) { if (b[1] == 0) { b[0] = (byte)(b[0] - 32); b[1] = 255; c[i] = System.Text.Encoding.Unicode.GetChars(b)[0]; } } } string strNew = new string(c); return strNew; } #endregion 全角转半角#region 全角转半角 /**//**/ /**//// <summary> /// 全角转半角 /// </summary> /// <param name="QJstr"></param> /// <returns></returns> static public string GetBanJiao(string QJstr) { char[] c = QJstr.ToCharArray(); for (int i = 0; i < c.Length; i++) { byte[] b = System.Text.Encoding.Unicode.GetBytes(c, i, 1); if (b.Length == 2) { if (b[1] == 255) { b[0] = (byte)(b[0] + 32); b[1] = 0; c[i] = System.Text.Encoding.Unicode.GetChars(b)[0]; } } } string strNew = new string(c); return strNew; } #endregion 生成随机数#region 生成随机数 /**//**/ /**//// <summary> /// 生成随机数 /// </summary> /// <returns></returns> static private string GenerateCheckCode() { int number; char code; string checkCode = String.Empty; System.Random random = new Random(); for (int i = 0; i < 5; i++) { number = random.Next(); if (number % 2 == 0) code = (char)('0' + (char)(number % 10)); else code = (char)('A' + (char)(number % 26)); checkCode += code.ToString(); } System.Web.HttpContext.Current.Response.Cookies.Add(new HttpCookie("CheckCode", checkCode)); return checkCode; } #endregion 生成验证码图片生成验证码图片#region 生成验证码图片生成验证码图片 /**//// <summary> /// 生成验证码图片 /// </summary> public static void CreateCheckCodeImage() { string checkCode = GenerateCheckCode(); System.Web.HttpContext.Current.Session["username"] = checkCode ; //Console.Write(checkCode); if (checkCode == null || checkCode.Trim() == String.Empty) return; System.Drawing.Bitmap image = new System.Drawing.Bitmap((int)Math.Ceiling((checkCode.Length * 12.5)), 22); Graphics g = Graphics.FromImage(image); try { //生成随机生成器 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 < 25; 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); } Font font = new System.Drawing.Font("Arial", 12, (System.Drawing.FontStyle.Bold | System.Drawing.FontStyle.Italic)); System.Drawing.Drawing2D.LinearGradientBrush brush = new System.Drawing.Drawing2D.LinearGradientBrush(new Rectangle(0, 0, image.Width, image.Height), Color.Blue, Color.DarkRed, 1.2f, true); g.DrawString(checkCode, font, brush, 2, 2); //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); HttpContext.Current.Response.ClearContent(); HttpContext.Current.Response.ContentType = "image/Gif"; HttpContext.Current.Response.BinaryWrite(ms.ToArray()); } finally { g.Dispose(); image.Dispose(); } } #endregion 获取文本框中输入内容#region 获取文本框中输入内容 /**//**/ /**//// <summary> /// 获取文本框中输入内容 /// </summary> /// <param name="ctrl">TextBox控件ID</param> /// <returns></returns> static public string GetText(TextBox ctrl) { return ctrl.Text.Trim().Replace("'", "\""); } #endregion 清除文本框内容#region 清除文本框内容 /**//**/ /**//// <summary> /// 清除文本框内容 /// </summary> /// <param name="list">TextBox控件数组</param> static public void ClearText(TextBox[] list) { foreach (TextBox ctrl in list) ctrl.Text = null; } #endregion 加密的类型#region 加密的类型 /**//**/ /**//// <summary> /// 加密的类型 /// </summary> public enum PasswordType { SHA1, MD5 } #endregion 字符串加密#region 字符串加密 /**//// <summary> /// 字符串加密 /// </summary> /// <param name="PasswordString">要加密的字符串</param> /// <param name="PasswordFormat">要加密的类别</param> /// <returns></returns> static public string EncryptPassword(string PasswordString, string PasswordFormat) { switch (PasswordFormat) { case "SHA1": { PasswordString = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(PasswordString, "SHA1"); break; } case "MD5": { PasswordString = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(PasswordString, "MD5"); break; } default: { // passWord = string.Empty; break; } } return PasswordString; } #endregion}