对用户输入数据进行校验代码,CSharp代码库,德仔网

代码语言
代码分类
【CSharp】对用户输入数据进行校验
作者:步山 / 发布于2014/11/10/ 753

	using System;
	using System.Text;
	using System.Web;
	using System.Web.UI.WebControls;
	using System.Text.RegularExpressions;

	namespace DotNet.Utilities
	{
	 public class PageValidate
	 {
	 private static Regex RegNumber = new Regex("^[0-9]+$");
	 private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");
	 private static Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]+$");
	 private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$"); //等价于^[+-]?\d+[.]?\d+$
	 private static Regex RegEmail = new Regex("^[\\w-]+@[\\w-]+\\.(com|net|org|edu|mil|tv|biz|info)$");//w 英文字母或数字的字符串，和 [a-zA-Z0-9] 语法一样
	 private static Regex RegCHZN = new Regex("[\u4e00-\u9fa5]");

	 public PageValidate()
	 {
	 }

	 #region 数字字符串检查
	 /// <summary>
	 /// 格式化字符串
	 /// </summary>
	 /// <param name="inputData">源字符串</param>
	 /// <param name="formatlevel">0:不做验证| 1:sql语句参数| 2:存储过程参数| 3:EncodeHtml| 4:Encode+sql| 5:Encode+存储过程</param>
	 /// <returns>返回格式化后的字符串</returns>
	 public static string FormatString(string inputData, int formatlevel)
	 {
	 return inputData;
	 }
	 /// <summary>
	 /// 检查Request查询字符串的键值，是否是数字，最大长度限制
	 /// </summary>
	 /// <param name="req">Request</param>
	 /// <param name="inputKey">Request的键值</param>
	 /// <param name="maxLen">最大长度</param>
	 /// <returns>返回Request查询字符串</returns>
	 public static string FetchInputDigit(HttpRequest req, string inputKey, int maxLen)
	 {
	 string retVal = string.Empty;
	 if (inputKey != null && inputKey != string.Empty)
	 {
	 retVal = req.QueryString[inputKey];
	 if (null == retVal)
	 retVal = req.Form[inputKey];
	 if (null != retVal)
	 {
	 retVal = SqlText(retVal, maxLen);
	 if (!IsNumber(retVal))
	 retVal = string.Empty;
	 }
	 }
	 if (retVal == null)
	 retVal = string.Empty;
	 return retVal;
	 }

	 public enum CheckType
	 { None, Int, SignInt, Float, SignFloat, Chinese, Mail }
	 /// <summary>
	 /// 检测字符串类型
	 /// </summary>
	 /// <param name="inputData">输入字符串</param>
	 /// <param name="checktype">0:不检测| 1:数字| 2:符号数字| 3: 浮点数| 4:符号浮点| 5: 中文?| 6:邮件?</param>
	 /// <returns></returns>
	 public static bool checkString(string inputData, int checktype)
	 {

	 bool _return = false;
	 switch (checktype)
	 {
	 case 0:
	 _return = true;
	 break;
	 case 1:
	 _return = IsNumber(inputData);
	 break;
	 case 2:
	 _return = IsNumberSign(inputData);
	 break;
	 case 3:
	 _return = IsDecimal(inputData);
	 break;
	 case 4:
	 _return = IsDecimalSign(inputData);
	 break;
	 case 5:
	 _return = IsHasCHZN(inputData);
	 break;
	 case 6:
	 _return = IsEmail(inputData);
	 break;
	 default:
	 _return = false;
	 break;
	 }
	 return _return;
	 }
	 /// <summary>
	 /// 是否数字字符串
	 /// </summary>
	 /// <param name="inputData">输入字符串</param>
	 /// <returns></returns>
	 public static bool IsNumber(string inputData)
	 {
	 Match m = RegNumber.Match(inputData);
	 return m.Success;
	 }
	 /// <summary>
	 /// 是否数字字符串 可带正负号
	 /// </summary>
	 /// <param name="inputData">输入字符串</param>
	 /// <returns></returns>
	 public static bool IsNumberSign(string inputData)
	 {
	 Match m = RegNumberSign.Match(inputData);
	 return m.Success;
	 }
	 /// <summary>
	 /// 是否是浮点数
	 /// </summary>
	 /// <param name="inputData">输入字符串</param>
	 /// <returns></returns>
	 public static bool IsDecimal(string inputData)
	 {
	 Match m = RegDecimal.Match(inputData);
	 return m.Success;
	 }
	 /// <summary>
	 /// 是否是浮点数 可带正负号
	 /// </summary>
	 /// <param name="inputData">输入字符串</param>
	 /// <returns></returns>
	 public static bool IsDecimalSign(string inputData)
	 {
	 Match m = RegDecimalSign.Match(inputData);
	 return m.Success;
	 }

	 #endregion

	 #region 中文检测

	 /// <summary>
	 /// 检测是否有中文字符
	 /// </summary>
	 /// <param name="inputData"></param>
	 /// <returns></returns>
	 public static bool IsHasCHZN(string inputData)
	 {
	 Match m = RegCHZN.Match(inputData);
	 return m.Success;
	 }

	 #endregion

	 public static string GetShortDate(string dt)
	 {
	 return Convert.ToDateTime(dt).ToShortDateString();
	 }

	 #region 邮件地址
	 /// <summary>
	 /// 是否是浮点数 可带正负号
	 /// </summary>
	 /// <param name="inputData">输入字符串</param>
	 /// <returns></returns>
	 public static bool IsEmail(string inputData)
	 {
	 Match m = RegEmail.Match(inputData);
	 return m.Success;
	 }

	 #endregion

	 #region 其他

	 /// <summary>
	 /// 检查字符串最大长度，返回指定长度的串
	 /// </summary>
	 /// <param name="sqlInput">输入字符串</param>
	 /// <param name="maxLength">最大长度</param>
	 /// <returns></returns>
	 public static string SqlText(string sqlInput, int maxLength)
	 {
	 if (sqlInput != null && sqlInput != string.Empty)
	 {
	 sqlInput = sqlInput.Trim();
	 if (sqlInput.Length > maxLength)//按最大长度截取字符串
	 sqlInput = sqlInput.Substring(0, maxLength);
	 }
	 return sqlInput;
	 }

	 /// <summary>
	 /// 字符串编码
	 /// </summary>
	 /// <param name="inputData"></param>
	 /// <returns></returns>
	 public static string HtmlEncode(string inputData)
	 {
	 return HttpUtility.HtmlEncode(inputData);
	 }
	 /// <summary>
	 /// 设置Label显示Encode的字符串
	 /// </summary>
	 /// <param name="lbl"></param>
	 /// <param name="txtInput"></param>
	 public static void SetLabel(Label lbl, string txtInput)
	 {
	 lbl.Text = HtmlEncode(txtInput);
	 }
	 public static void SetLabel(Label lbl, object inputObj)
	 {
	 SetLabel(lbl, inputObj.ToString());
	 }

	 #endregion

	 #region 对于用户权限从数据库中读出的解密过程
	 public static string switch_riddle(string s_ch)//解密
	 {
	 string s_out, s_temp, temp;
	 int i_len = s_ch.Length;
	 if (i_len == 0 || s_ch == "")
	 {
	 s_out = "0";
	 }
	 temp = "";
	 s_temp = "";
	 s_out = "";
	 for (int i = 0; i <= i_len - 1; i++)
	 {
	 temp = s_ch.Substring(i, 1);
	 switch (temp)
	 {
	 case "a": s_temp = "1010";
	 break;
	 case "b": s_temp = "1011";
	 break;
	 case "c": s_temp = "1100";
	 break;
	 case "d": s_temp = "1101";
	 break;
	 case "e": s_temp = "1110";
	 break;
	 case "f": s_temp = "1111";
	 break;
	 case "0": s_temp = "0000";
	 break;
	 case "1": s_temp = "0001";
	 break;
	 case "2": s_temp = "0010";
	 break;
	 case "3": s_temp = "0011";
	 break;
	 case "4": s_temp = "0100";
	 break;
	 case "5": s_temp = "0101";
	 break;
	 case "6": s_temp = "0110";
	 break;
	 case "7": s_temp = "0111";
	 break;
	 case "8": s_temp = "1000";
	 break;
	 case "9": s_temp = "1001";
	 break;
	 default: s_temp = "0000";
	 break;
	 }
	 s_out = s_out + s_temp;
	 s_temp = "";
	 }
	 return s_out;
	 }
	 #endregion

	 #region 用户权限的加密过程
	 public static string switch_encrypt(string s_ch)
	 {
	 string s_out, s_temp, temp;
	 int i_len = 64;
	 if (i_len == 0 || s_ch == "")
	 {
	 s_out = "0000";
	 }
	 temp = "";
	 s_temp = "";
	 s_out = "";
	 for (int i = 0; i <= i_len - 1; i = i + 4)
	 {
	 temp = s_ch.Substring(i, 4);
	 switch (temp)
	 {
	 case "1010": s_temp = "a";
	 break;
	 case "1011": s_temp = "b";
	 break;
	 case "1100": s_temp = "c";
	 break;
	 case "1101": s_temp = "d";
	 break;
	 case "1110": s_temp = "e";
	 break;
	 case "1111": s_temp = "f";
	 break;
	 case "0000": s_temp = "0";
	 break;
	 case "0001": s_temp = "1";
	 break;
	 case "0010": s_temp = "2";
	 break;
	 case "0011": s_temp = "3";
	 break;
	 case "0100": s_temp = "4";
	 break;
	 case "0101": s_temp = "5";
	 break;
	 case "0110": s_temp = "6";
	 break;
	 case "0111": s_temp = "7";
	 break;
	 case "1000": s_temp = "8";
	 break;
	 case "1001": s_temp = "9";
	 break;
	 default: s_temp = "0";
	 break;
	 }
	 s_out = s_out + s_temp;
	 s_temp = "";
	 }
	 return s_out;
	 }//加密
	 #endregion

	 #region 访问权限
	 public static bool CheckTrue(string s_admin, int a)
	 {
	 string s_temp = "";
	 s_temp = s_admin.Substring(a - 1, 1); //s_admin为全局变量
	 if (s_temp == "" || s_temp == "1")
	 {
	 return true;
	 }
	 else
	 {
	 return false;
	 }

	 }
	 #endregion

	 #region 检测字符串长度
	 /// <summary>
	 /// 计算文本长度，区分中英文字符，中文算两个长度，英文算一个长度
	 /// </summary>
	 /// <param name="Text">需计算长度的字符串</param>
	 /// <returns>int</returns>
	 public static int Text_Length(string Text)
	 {
	 int len = 0;

	 for (int i = 0; i < Text.Length; i++)
	 {
	 byte[] byte_len = Encoding.Default.GetBytes(Text.Substring(i, 1));
	 if (byte_len.Length > 1)
	 len += 2; //如果长度大于1，是中文，占两个字节，+2
	 else
	 len += 1; //如果长度等于1，是英文，占一个字节，+1
	 }

	 return len;
	 }
	 #endregion

	 #region 字符串长度区分中英文截取
	 /// <summary>
	 /// 截取文本，区分中英文字符，中文算两个长度，英文算一个长度
	 /// </summary>
	 /// <param name="str">待截取的字符串</param>
	 /// <param name="length">需计算长度的字符串</param>
	 /// <returns>string</returns>
	 public static string GetSubString(string str, int length)
	 {
	 string temp = str;
	 int j = 0;
	 int k = 0;
	 for (int i = 0; i < temp.Length; i++)
	 {
	 if (Regex.IsMatch(temp.Substring(i, 1), @"[\u4e00-\u9fa5]+"))
	 {
	 j += 2;
	 }
	 else
	 {
	 j += 1;
	 }
	 if (j <= length)
	 {
	 k += 1;
	 }
	 if (j > length)
	 {
	 return temp.Substring(0, k) + "..";
	 }
	 }
	 return temp;
	 }
	 #endregion

	 #region 页面HTML格式化
	 public static string GetHtml(string sDetail)
	 {
	 Regex r;
	 Match m;
	 #region 处理空格
	 sDetail = sDetail.Replace(" ", " ");
	 #endregion
	 #region 处理单引号
	 sDetail = sDetail.Replace("'", "&rsquo;");
	 #endregion
	 #region 处理双引号
	 sDetail = sDetail.Replace("\"", """);
	 #endregion
	 #region html标记符
	 sDetail = sDetail.Replace("<", "<");
	 sDetail = sDetail.Replace(">", ">");

	 #endregion
	 #region 处理换行
	 //处理换行，在每个新行的前面添加两个全角空格
	 r = new Regex(@"(\r\n(( )|　)+)(?<正文>\S+)", RegexOptions.IgnoreCase);
	 for (m = r.Match(sDetail); m.Success; m = m.NextMatch())
	 {
	 sDetail = sDetail.Replace(m.Groups[0].ToString(), "<BR>　　" + m.Groups["正文"].ToString());
	 }
	 //处理换行，在每个新行的前面添加两个全角空格
	 sDetail = sDetail.Replace("\r\n", "<BR>");
	 #endregion

	 return sDetail;
	 }
	 #endregion

	 #region 分页
	 //public static string paging(string url, string para, int sumpage, int page)
	 //{
	 // string result = string.Empty;
	 // if (sumpage == 1)
	 // {
	 // return result;
	 // }
	 // if (page > sumpage)
	 // {
	 // page = 1;
	 // }
	 // if (sumpage > 0)
	 // {
	 // for (int i = 1; i <= sumpage; i++)
	 // {
	 // if (i == page)
	 // {
	 // result += string.Format("<a class=\"a_page\" href=\"{0}?page={1}{2}\">{3}</a> ", new object[] { url, i.ToString(), para, i.ToString() });
	 // }
	 // else
	 // {
	 // result += string.Format("<a href=\"{0}?page={1}{2}\">{3}</a> ", new object[] { url, i.ToString(), para, i.ToString() });
	 // }
	 // }
	 // }
	 // return result;
	 //}

	 public static string paging(string url, string para, int sumpage, int page)
	 {
	 string result = string.Empty;
	 if (sumpage == 1)
	 {
	 return result;
	 }
	 if (sumpage > 500)
	 {
	 sumpage = 500;
	 }
	 if (page > sumpage)
	 {
	 page = 1;
	 }
	 StringBuilder sb = new StringBuilder();
	 if (sumpage > 0)
	 {
	 switch (page)
	 {
	 case 1:
	 sb.Append(string.Format("<p class=\"next\"><a href=\"{0}?page={1}{2}\">{3}</a> ", new object[] { url, page + 1, para, "下一页" }));
	 break;
	 default:
	 if (sumpage == page)
	 {
	 sb.Append(string.Format("<p class=\"next\"><a href=\"{0}?page={1}{2}\">{3}</a> ", new object[] { url, page - 1, para, "上一页" }));
	 }
	 else
	 {
	 sb.Append(string.Format("<p class=\"next\"><a href=\"{0}?page={1}{2}\">{3}</a> <a href=\"{4}?page={5}{6}\">{7}</a> ",
	 new object[] { url, page + 1, para, "下一页", url, page - 1, para, "上一页" }));
	 }
	 break;
	 }
	 sb.Append(string.Format("第{0}/{1}页", new object[] { page, sumpage }));
	 }
	 return sb.ToString();
	 }

	 public static string paging(string url, string para, int sumpage, int page, System.Web.UI.UserControl myPaging)
	 {
	 myPaging.Visible = false;
	 string result = string.Empty;
	 if (sumpage == 1)
	 {
	 return result;
	 }
	 if (sumpage > 500)
	 {
	 sumpage = 500;
	 }
	 if (page > sumpage)
	 {
	 page = 1;
	 }
	 StringBuilder sb = new StringBuilder();
	 if (sumpage > 0)
	 {
	 myPaging.Visible = true;
	 switch (page)
	 {
	 case 1:
	 sb.Append(string.Format("<a href=\"{0}?page={1}{2}\">{3}</a> ", new object[] { url, page + 1, para, "下一页" }));
	 break;
	 default:
	 if (sumpage == page)
	 {
	 sb.Append(string.Format("<a href=\"{0}?page={1}{2}\">{3}</a> ", new object[] { url, page - 1, para, "上一页" }));
	 }
	 else
	 {
	 sb.Append(string.Format("<a href=\"{0}?page={1}{2}\">{3}</a> <a href=\"{4}?page={5}{6}\">{7}</a> ",
	 new object[] { url, page + 1, para, "下一页", url, page - 1, para, "上一页" }));
	 }
	 break;
	 }
	 sb.Append(string.Format("第{0}/{1}页", new object[] { page, sumpage }));
	 }
	 return sb.ToString();
	 }

	 public static string paging(string para, int sumpage, int page, int count)
	 {
	 string result = string.Empty;
	 if (page > sumpage)
	 {
	 page = 1;
	 }
	 StringBuilder sb = new StringBuilder();
	 if (sumpage > 0)
	 {
	 if (sumpage != 1)
	 {
	 switch (page)
	 {
	 case 1:
	 sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a> ", new object[] { page + 1, para, "下一页" }));
	 break;
	 default:
	 if (sumpage == page)
	 {
	 sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a> ", new object[] { page - 1, para, "上一页" }));
	 }
	 else
	 {
	 sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a> <a href=\"?page={3}{4}\">{5}</a> ",
	 new object[] { page - 1, para, "上一页", page + 1, para, "下一页" }));
	 }
	 break;
	 }
	 }
	 sb.Append(string.Format("第{0}/{1}页 共{2}条", new object[] { page, sumpage, count }));
	 }
	 return sb.ToString();
	 }

	 public static void paging(string clinktail, int sumpage, int page, System.Web.UI.WebControls.Label page_view)
	 {
	 if (sumpage > 0)
	 {
	 int n = sumpage; //总页数
	 int x = page; //得到当前页
	 int i;
	 int endpage;
	 string pageview = "", pageviewtop = "";
	 if (x > 1)
	 {
	 pageview += " <a class='pl' href='?page=1" + clinktail + "'>第1页</a> | ";
	 pageviewtop += " <a class='pl' href='?page=1" + clinktail + "'>第1页</a> | ";
	 }
	 else
	 {
	 pageview += " <font color='#666666'> 第1页 </font> | ";
	 pageviewtop += " <font color='#666666'> 第1页 </font> | ";
	 }

	 if (x > 1)
	 {
	 pageviewtop += " <a class='pl' href='?page=" + (x - 1) + "" + clinktail + "'>上1页</a> ";
	 }
	 else
	 {
	 pageviewtop += " <font color='#666666'>上1页</font> ";
	 }

	 if (x > ((x - 1) / 10) * 10 && x > 10)
	 {
	 pageview += "<a class='pl' href='?page=" + ((x - 1) / 10) * 10 + "" + clinktail + "' onclink='return false;'>上10页</a>";
	 }

	 //if (((x-1) / 10) * 10 + 10) >= n )
	 if (((x - 1) / 10) * 10 + 10 >= n)
	 {
	 endpage = n;
	 }
	 else
	 {
	 endpage = ((x - 1) / 10) * 10 + 10;
	 }

	 for (i = ((x - 1) / 10) * 10 + 1; i <= endpage; ++i)
	 {
	 if (i == x)
	 {
	 pageview += " <font color='#FF0000'><b>" + i + "</b></font>";
	 }
	 else
	 {
	 pageview += " <a class='pl' href='?page=" + i + "" + clinktail + "'>" + i + "</a>";
	 }
	 }

	 if (x < n)
	 {
	 pageviewtop += " <a class='pl' href='?page=" + (x + 1) + "" + clinktail + "'>下1页</a> ";
	 }
	 else
	 {
	 pageviewtop += " <font color='#666666'>下1页</font> ";
	 }

	 if (endpage != n)
	 {
	 pageview += " <a class='pl' href='?page=" + (endpage + 1) + "" + clinktail + "' class='pl' onclink='return false;'>下10页</a> | ";
	 }
	 else
	 {
	 pageview += " | ";
	 }
	 if (x < n)
	 {
	 pageview += " <a class='pl' href='?page=" + n + "" + clinktail + "' class='pl'>第" + n + "页</a> ";
	 pageviewtop += " | <a class='pl' href='?page=" + n + "" + clinktail + "' class='pl'>第" + n + "页</a> ";
	 }
	 else
	 {
	 pageview += "<font color='#666666'> 第" + n + "页 </font>";
	 pageviewtop += " | <font color='#666666'> 第" + n + "页 </font>";
	 }
	 page_view.Text = pageview.ToString();
	 }
	 else
	 {
	 page_view.Text = "";
	 }
	 }

	 //带第一页和最后一页
	 public static string paging2(string para, int sumpage, int page, int count)
	 {
	 string result = string.Empty;
	 if (page > sumpage)
	 {
	 page = 1;
	 }
	 StringBuilder sb = new StringBuilder();
	 if (sumpage > 0)
	 {
	 if (sumpage != 1)
	 {
	 //第一页
	 sb.Append(string.Format("<a href=\"?page={0}{1}\"><img src=\"images/first-icon.gif\" border=\"0\"/></a> ", new object[] { 1, para }));
	 switch (page)
	 {
	 case 1:
	 //前一页图片
	 sb.Append(string.Format("<a>{0}</a>", new object[] { "<img src=\"images/left-icon.gif\" border=\"0\"/>" }));
	 sb.Append(string.Format("<a>上一页</a><a href=\"?page={0}{1}\">{2}</a> ", new object[] { page + 1, para, "下一页" }));
	 //后一页图片
	 sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a>", new object[] { page + 1, para, "<img src=\"images/right-icon.gif\" border=\"0\"/>" }));
	 break;
	 default:
	 if (sumpage == page)
	 {
	 //前一页图片
	 sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a>", new object[] { page - 1, para, "<img src=\"images/left-icon.gif\" border=\"0\"/>" }));
	 sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a><a>下一页</a> ", new object[] { page - 1, para, "上一页" }));
	 //后一页图片
	 sb.Append(string.Format("<a>{0}</a>", new object[] { "<img src=\"images/right-icon.gif\" />" }));
	 }
	 else
	 {
	 //前一页图片
	 sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a>", new object[] { page - 1, para, "<img src=\"images/left-icon.gif\" border=\"0\"/>" }));
	 sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a> <a href=\"?page={3}{4}\">{5}</a> ",
	 new object[] { page - 1, para, "上一页", page + 1, para, "下一页" }));
	 //后一页图片
	 sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a>", new object[] { page + 1, para, "<img src=\"images/right-icon.gif\" border=\"0\"/>" }));
	 }
	 break;
	 }
	 //最后一页图片
	 sb.Append(string.Format(" <a href=\"?page={0}{1}\"><img src=\"images/last-icon.gif\" border=\"0\"/></a> ", new object[] { sumpage, para }));
	 }
	 sb.Append(string.Format("第{0}页/共{1}页 共{2}条", new object[] { page, sumpage, count }));
	 }
	 return sb.ToString();
	 }

	 public static string paging3(string url, string para, int sumpage, int page, int count)
	 {
	 string result = string.Empty;
	 if (page > sumpage)
	 {
	 page = 1;
	 }
	 StringBuilder sb = new StringBuilder();
	 if (sumpage > 0)
	 {
	 if (sumpage != 1)
	 {
	 //第一页
	 sb.Append(string.Format("<a href=\"{2}?page={0}{1}\">首页</a>", new object[] { 1, para, url }));
	 switch (page)
	 {
	 case 1:
	 //前一页图片
	 // sb.Append(string.Format("<a>{0}</a>", new object[] { "<img src=\"images/left-icon.gif\" border=\"0\"/>" }));
	 sb.Append(string.Format("<a>上一页</a><a href=\"{3}?page={0}{1}\">{2}</a> ", new object[] { page + 1, para, "下一页", url }));
	 //后一页图片
	 // sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a>", new object[] { page + 1, para, "<img src=\"images/right-icon.gif\" border=\"0\"/>" }));
	 break;
	 default:
	 if (sumpage == page)
	 {
	 //前一页图片
	 //sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a>", new object[] { page - 1, para, "<img src=\"images/left-icon.gif\" border=\"0\"/>" }));
	 sb.Append(string.Format("<a href=\"{3}?page={0}{1}\">{2}</a><a>下一页</a> ", new object[] { page - 1, para, "上一页", url }));
	 //后一页图片
	 //sb.Append(string.Format("<a>{0}</a>", new object[] { "<img src=\"images/right-icon.gif\" />" }));
	 }
	 else
	 {
	 //前一页图片
	 //sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a>", new object[] { page - 1, para, "<img src=\"images/left-icon.gif\" border=\"0\"/>" }));
	 sb.Append(string.Format("<a href=\"{6}?page={0}{1}\">{2}</a> <a href=\"{6}?page={3}{4}\">{5}</a> ",
	 new object[] { page - 1, para, "上一页", page + 1, para, "下一页", url }));
	 //后一页图片
	 //sb.Append(string.Format("<a href=\"?page={0}{1}\">{2}</a>", new object[] { page + 1, para, "<img src=\"images/right-icon.gif\" border=\"0\"/>" }));
	 }
	 break;
	 }
	 //最后一页图片
	 sb.Append(string.Format("<a href=\"{2}?page={0}{1}\">末页</a> ", new object[] { sumpage, para, url }));
	 }
	 sb.Append(string.Format("第{0}页/共{1}页 共{2}条", new object[] { page, sumpage, count }));
	 }
	 return sb.ToString();
	 }
	 #endregion

	 #region 日期格式判断
	 /// <summary>
	 /// 日期格式字符串判断
	 /// </summary>
	 /// <param name="str"></param>
	 /// <returns></returns>
	 public static bool IsDateTime(string str)
	 {
	 try
	 {
	 if (!string.IsNullOrEmpty(str))
	 {
	 DateTime.Parse(str);
	 return true;
	 }
	 else
	 {
	 return false;
	 }
	 }
	 catch
	 {
	 return false;
	 }
	 }
	 #endregion

	 #region 是否由特定字符组成
	 public static bool isContainSameChar(string strInput)
	 {
	 string charInput = string.Empty;
	 if (!string.IsNullOrEmpty(strInput))
	 {
	 charInput = strInput.Substring(0, 1);
	 }
	 return isContainSameChar(strInput, charInput, strInput.Length);
	 }

	 public static bool isContainSameChar(string strInput, string charInput, int lenInput)
	 {
	 if (string.IsNullOrEmpty(charInput))
	 {
	 return false;
	 }
	 else
	 {
	 Regex RegNumber = new Regex(string.Format("^([{0}])+$", charInput));
	 //Regex RegNumber = new Regex(string.Format("^([{0}]{{1}})+$", charInput,lenInput));
	 Match m = RegNumber.Match(strInput);
	 return m.Success;
	 }
	 }
	 #endregion

	 #region 检查输入的参数是不是某些定义好的特殊字符：这个方法目前用于密码输入的安全检查
	 /// <summary>
	 /// 检查输入的参数是不是某些定义好的特殊字符：这个方法目前用于密码输入的安全检查
	 /// </summary>
	 public static bool isContainSpecChar(string strInput)
	 {
	 string[] list = new string[] { "123456", "654321" };
	 bool result = new bool();
	 for (int i = 0; i < list.Length; i++)
	 {
	 if (strInput == list[i])
	 {
	 result = true;
	 break;
	 }
	 }
	 return result;
	 }
	 #endregion
	 }
	}
试试其它关键字
　校验　
同语言下
可能有用的
步山贡献的其它代码(75)