c#页面验证类DataValidate代码

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

namespace Tools.Common
{
    /// <summary>
    /// 页面验证类
    /// </summary>
    public class DataValidate
    {
        private static Regex RegPhone = new Regex(@"^(1\d{10})|(\d{3,4}[-]\d{6,8})$");

        /// <summary>
        /// 纯数字，无正负号
        /// </summary>
        private static Regex RegNumber = new Regex("^[0-9]+$");
        /// <summary>
        /// 纯数字，可能有正负号
        /// </summary>
        private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");
        /// <summary>
        /// 可能有有小数点的数字
        /// </summary>
        private static Regex RegDecimal = new Regex(@"^(\d+[.]\d+)|(\d+)$");
        /// <summary>
        /// 可能有小数点，也有可能有正负号的数字
        /// </summary>
        private static Regex RegDecimalSign = new Regex(@"^[+-]?((\d+[.]\d+)|(\d+))$"); //等价于^[+-]?\d+[.]?\d+$
        /// <summary>
        /// Email地址
        /// </summary>
        private static Regex RegEmail = new Regex("^[\\w-]+@[\\w-]+\\.(com|net|org|edu|mil|tv|biz|info|com.cn)$");
        /// <summary>
        /// 是否有中文
        /// </summary>
        private static Regex RegCHZN = new Regex("[\u4e00-\u9fa5]");

        /// <summary>
        /// 是否为int数据
        /// </summary>
        private static Regex RegInt = new Regex(@"^(-){0,1}\d+$");

        #region 是否是中国的电话号码
        /// <summary>
        /// 是否是中国的电话号码
        /// </summary>
        /// <param name="inputData">输入的字符串</param>
        /// <returns></returns>
        public static bool IsPhone(string inputData)
        {

            Match m = RegPhone.Match(inputData);

            return m.Success;

        }
        #endregion

        #region 获取Request请求字符串的键值
        /// <summary>
        /// 获取Request请求字符串的键值
        /// </summary>
        /// <param name="req">Request</param>
        /// <param name="inputKey">Request的键值</param>
        /// <returns>返回Request请求字符串</returns>
        public static string GetRequest(HttpRequest req, string inputKey)
        {
            string retVal = string.Empty;
            if (inputKey != null && inputKey != string.Empty)
            {
                retVal = req.QueryString[inputKey];
                if (null == retVal) retVal = req.Form[inputKey];
            }

            if (retVal == null) retVal = string.Empty;
            return retVal;
        }
        #endregion

        #region 是否数字字符串
        /// <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;

        }
        #endregion

        #region 是否是浮点数
        /// <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)
        {
            decimal d1;
            return decimal.TryParse(inputData, out d1);
        }

        /// <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 检测是否有中文字符
        /// <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

        #region 是否是邮件地址
        /// <summary>
        /// 是否是邮件地址
        /// </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 字符串编码HtmlEncode
        /// <summary>
        /// 字符串编码HtmlEncode
        /// </summary>
        /// <param name="inputData"></param>
        /// <returns></returns>
        public static string HtmlEncode(string inputData)
        {
            return HttpUtility.HtmlEncode(inputData);

        }
        #endregion

        #region 设置Label显示Encode的字符串
        /// <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);
        }
        #endregion

        #region 字符串清理
        /// <summary>
        /// 字符串清理
        /// </summary>
        /// <param name="inputString">输入的字符串</param>
        /// <param name="maxLength">保留的长度</param>
        /// <returns></returns>
        public static string ClearText(string inputString, int maxLength)
        {

            StringBuilder retVal = new StringBuilder();
            // 检查是否为空
            if ((inputString != null) && (inputString != String.Empty))
            {
                inputString = inputString.Trim();
                //检查长度
                if (inputString.Length > maxLength)
                {
                    inputString = inputString.Substring(0, maxLength);
                }

                //替换危险字符
                for (int i = 0; i < inputString.Length; i++)
                {
                    switch (inputString[i])
                    {
                        case '"':
                            retVal.Append(""");
                            break;

                        case '<':

                            retVal.Append("<");
                            break;
                        case '>':
                            retVal.Append(">");
                            break;
                        default:
                            retVal.Append(inputString[i]);
                            break;
                    }
                }
                retVal.Replace("'", " ");// 替换单引号

            }

            return retVal.ToString();

        }
        #endregion

        #region  HTML Encode/Decode
        /// <summary>
        /// 转换成 HTML code
        /// </summary>
        /// <param name="str">string</param>
        /// <returns>string</returns>
        public static string Encode(string str)
        {
            str = str.Replace("&", "&");
            str = str.Replace("'", "''");
            str = str.Replace("\"", """);
            str = str.Replace(" ", " ");
            str = str.Replace("<", "<");
            str = str.Replace(">", ">");
            str = str.Replace("\n", "<br>");
            return str;
        }

        /// <summary>
        ///解析html成 普通文本
        /// </summary>
        /// <param name="str">string</param>
        /// <returns>string</returns>
        public static string Decode(string str)
        {
            str = str.Replace("<br>", "\n");
            str = str.Replace(">", ">");
            str = str.Replace("<", "<");
            str = str.Replace(" ", " ");
            str = str.Replace(""", "\"");
            return str;
        }
        #endregion

        #region 清理字符串
        /// <summary>
        /// 清理字符串
        /// </summary>
        /// <param name="sqlText"></param>
        /// <returns></returns>
        public static string SqlTextClear(string sqlText)
        {
            if (sqlText == null)
            {
                return null;
            }
            if (sqlText == "")
            {
                return "";
            }
            sqlText = sqlText.Replace(",", "");//去除,
            sqlText = sqlText.Replace("<", "");//去除<
            sqlText = sqlText.Replace(">", "");//去除>
            sqlText = sqlText.Replace("--", "");//去除--
            sqlText = sqlText.Replace("'", "");//去除'
            sqlText = sqlText.Replace("\"", "");//去除"
            sqlText = sqlText.Replace("=", "");//去除=
            sqlText = sqlText.Replace("%", "");//去除%
            sqlText = sqlText.Replace(" ", "");//去除空格
            return sqlText;
        }
        #endregion

        #region 是否由特定字符组成
        /// <summary>
        /// 是否由特定字符组成
        /// </summary>
        /// <param name="strInput">要检测的字符串</param>
        /// <returns></returns>
        public static bool isContainSameChar(string strInput)
        {

            string charInput = string.Empty;

            if (!string.IsNullOrEmpty(strInput))
            {

                charInput = strInput.Substring(0, 1);

            }

            return isContainSameChar(strInput, charInput);

        }
        /// <summary>
        /// 是否由特定字符组成2
        /// </summary>
        /// <param name="strInput">要检测的字符串</param>
        /// <param name="charInput">是否包含的字符</param>
        /// <returns></returns>
        public static bool isContainSameChar(string strInput, string charInput)
        {

            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 检查输入的是不是某些定义好的字符
        /// <summary>
        /// 检查输入的是不是某些定义好的字符：用于密码输入的安全检查
        /// </summary>
        /// <param name="strInput">要检测的字符串</param>
        /// <returns></returns>
        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

        #region 是不是int范围数据
        /// <summary>
        /// 是不是int范围数据
        /// </summary>
        /// <param name="inputData"></param>
        /// <returns></returns>
        public static bool IsInt(string inputData)
        {

            if (RegInt.Match(inputData).Success)
            {
                if ((long.Parse(inputData) > 0x7fffffffL) || (long.Parse(inputData) < -2147483648L))
                {
                    return false;
                }
                return true;
            }
            return false;
        }
        #endregion

        #region 是否是邮编号码
        /// <summary>
        /// 是否是邮编号码
        /// </summary>
        /// <param name="inputData"></param>
        /// <returns></returns>
        public static bool IsPostCode(string inputData)
        {
            return Regex.IsMatch(inputData, @"^\d{6}$", RegexOptions.IgnoreCase);
        }
        #endregion

        #region 是不是字母、数字、下划线的组合
        /// <summary>
        /// 是不是字母、数字、下划线的组合
        /// </summary>
        /// <param name="inputData"></param>
        /// <returns></returns>
        public static bool IsNormalChar(string inputData)
        {
            return Regex.IsMatch(inputData, @"[\w\d_]+", RegexOptions.IgnoreCase);
        }
        #endregion

        #region 是不是日期类型
        /// <summary>
        /// 是不是日期类型
        /// </summary>
        /// <param name="inputData"></param>
        /// <returns></returns>
        public static bool IsDataTime(string inputData)
        {
            DateTime dt1;
            return DateTime.TryParse(inputData, out dt1);
        }
        #endregion

    }
}