代码如下：
1 /// <summary> 2 /// 过滤字符串方法，用于将单引号等特殊符号转化成中文符号 3 /// </summary> 4 /// <param name="msg">要转化的字符串</param> 5 public static string FilterStr(string msg) 6 { 7 string result = ""; 8 9 // msg = msg.Replace(",", "，"); 10 //msg = msg.Replace("<", "<"); 11 //msg = msg.Replace(">", ">"); 12 // msg = msg.Replace("/n", "<br>"); 13 // msg = msg.Replace("/"", """); 14 15 msg = msg.Trim(); 16 msg = msg.Replace("'", "''"); 17 18 result = msg; 19 20 return result; 21 } 22 23 24 public static void message(string meg) 25 { 26 27 } 28 29 public static string FilterStrHtml(string msg) 30 { 31 string result = ""; 32 33 34 msg = msg.Replace("/'", "'"); 35 //msg = msg.Replace(",", "，"); 36 msg = msg.Replace("/n", "<br>"); 37 result = msg; 38 39 return result; 40 } 41 42 public static string FilterStrnocode(string msg) 43 { 44 string result = ""; 45 46 47 msg = msg.Replace("'", "/'"); 48 msg = msg.Replace("<br>", "/n"); 49 result = msg; 50 51 return result; 52 } 53 54 55 56 //弹出消息框 57 /// <summary> 58 /// 消息提示框 59 /// </summary> 60 /// <param name="msg">消息内容</param> 61 public static void ShowMsgBox(string msg) 62 { 63 System.Web.HttpContext.Current.Response.Write("<script>alert('"+msg+"')</script>"); 64 } 65 66 /// <summary> 67 /// 弹出消息框,调用弹出消息框,不影响样式buss.Showmessage(this.Page,"提交成功"); 68 /// </summary> 69 /// <param name="Page">Page对像</param> 70 /// <param name="msg">消息</param> 71 public static void Showmessage(System.Web.UI.Page Page, string msg) 72 { 73 //ClientScript.RegisterStartupScript(GetType(), "JS1", "alert('" + msg + "')", true); 74 // Page.ClientScript.RegisterStartupScript(Page.GetType(), "JS1", "alert('" + msg + "')", true); 75 Page.ClientScript.RegisterStartupScript(Page.GetType(), "", " <script lanuage=javascript>alert('" + msg + "')</script>"); 76 } 77 78 /// <summary> 79 /// 截取字符串 80 /// </summary> 81 /// <param name="msg">原字符串</param> 82 /// <param name="lenth">要截取的长度</param> 83 /// <returns></returns> 84 public static string ReturnStr(string msg, int lenth) 85 { 86 string result = msg; 87 88 if (msg.Length > lenth) 89 { 90 result = result.Substring(0, lenth); 91 } 92 // http://www.VEVb.com/sosoft/ 93 return result; 94 95 } 96 /// <summary> 97 /// 98 /// </summary> 99 /// <param name="sqlstr"></param>100 /// <returns></returns>101 102 /// <summary>103 /// 剪切指定长度的字符串，并去掉HTML标记104 /// </summary>105 /// <param name="strr">要剪切字符串的Object形式</param>106 /// <param name="len">长度（中文长度为2)</param>107 /// <returns></returns>108 public static string CutStringX(object strr, int len)109 {110 string str = strr.ToString();111 string strRet = "";112 char CH;113 int nLen = str.Length;114 int nCutLen = 0;115 int nPos = 0;116 int bLeft = 0;117 int nChinese = 0;118 while (nPos < nLen && nCutLen < len)119 {120 CH = str[nPos];121 nPos++;122 123 if (CH == '<')124 {125 bLeft++;126 continue;127 }128 if (CH == '>')129 {130 bLeft--;131 continue;132 }133 if (nCutLen == 0 && CH.ToString() == " " && CH.ToString() == "/n")134 {135 continue;136 }137 if (bLeft == 0)138 {139 //是否为中文140 if (IsChinese(CH))141 {142 nCutLen += 2;143 nChinese++;144 }145 else146 {147 nCutLen += 1;148 }149 strRet += CH;150 }151 }152 strRet = strRet.Replace("", " ");153 if (nPos < nLen)154 {155 strRet += "";156 // strRet += "...";157 }158 return strRet;159 }160 161 162 //是否为中文163 public static bool IsChinese(char ch)164 {165 ASCIIEncoding en = new ASCIIEncoding();166 byte[] b = en.GetBytes(ch.ToString());167 return (b[0] == 63);168 }169 170 //HTML标记转换171 public static string HTMLEncode(string str)172 {173 str = str.Replace("<", "<");174 str = str.Replace(">", ">");175 str = str.Replace("/n", "<br/>");176 177 return str;178 }179 180 181 /// <summary>182 /// 把日期时间转换为日期,去掉时间183 /// </summary>184 /// <param name="str">格式:YYYY-MM-DD HH:MM:SS</param>185 /// <returns>返回日期 YYYY-MM-DD</returns>186 public static string GetDate(string str)187 {188 string[] s = str.Split(' ');189 string[] ss = s[0].Split('-');190 if (ss[1].Length < 2)191 ss[1] = "0" + ss[1];192 if (ss[2].Length < 2)193 ss[2] = "0" + ss[2];194 return ss[0] + "-" + ss[1] + "-" + ss[2];195 }196 197 //随机函数产生字符 198 public static string CreateRandomCode(int codeCount, string allChar)199 {200 //验证码中的出现的字符，避免了一些容易混淆的字符。 201 if (string.IsNullOrEmpty(allChar)) allChar = "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,W,X,Y";202 string[] allCharArray = allChar.Split(',');203 string randomCode = "";204 int temp = -1;205 bool breCreate = (codeCount < 6 && allCharArray.Length > 15);206 207 Random rand = new Random();208 for (int i = 0; i < codeCount; i++)209 {210 if (temp != -1)211 {212 rand = new Random(i * temp * ((int)DateTime.Now.Ticks));213 }214 int t = rand.Next(allCharArray.Length);215 if (temp == t && breCreate)216 {217 return CreateRandomCode(codeCount, allChar);218 }219 temp = t;220 randomCode += allCharArray[t];221 }222 return randomCode;223 }新闻热点
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