PageValidate.cs | searchcode

/DotNet.Framework.Common/PageValidate.cs

http://dotnetcommon1.codeplex.com
C# | 775 lines | 519 code | 74 blank | 182 comment | 96 complexity | 2010003d2e10bebafb27936278e0a190 MD5 | raw file

using System;

using System.Text;

using System.Text.RegularExpressions;

using System.Web;

using DotNet.Framework.Common.Helper;



namespace DotNet.Framework.Common

{

    /// <summary>

    /// 页面数据校验类

    /// 李天平

    /// 2004.8

    /// </summary>

    public class PageValidate

    {

        private static Regex RegPhone = new Regex("^[0-9]+[-]?[0-9]+[-]?[0-9]$");

        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|cn|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]");

        /// <summary>

        /// 默认构造函数

        /// </summary>

        public PageValidate()

        {

        }





        #region 数字字符串检查

        /// <summary>

        /// 检查输入的字符串是否是电话类型

        /// </summary>

        /// <param name="inputData"></param>

        /// <returns></returns>

        public static bool IsPhone(string inputData)

        {

            Match m = RegPhone.Match(inputData);

            return m.Success;

        }

        /// <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;

        }

        /// <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



        #region 邮件地址

        /// <summary>

        /// 是否邮件地址

        /// </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 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 身份证号码验证



        /// <summary>

        /// 验证身份证号码

        /// </summary>

        /// <param name="Id">身份证号码</param>

        /// <returns>验证成功为True，否则为False</returns>

        public static bool CheckIDCard(string Id)

        {

            if (Id.Length == 18)

            {

                bool check = CheckIDCard18(Id);

                return check;

            }

            else if (Id.Length == 15)

            {

                bool check = CheckIDCard15(Id);

                return check;

            }

            else

            {

                return false;

            }

        }





        /// <summary>

        /// 验证15位身份证号

        /// </summary>

        /// <param name="Id">身份证号</param>

        /// <returns>验证成功为True，否则为False</returns>

        private static bool CheckIDCard18(string Id)

        {

            long n = 0;

            if (long.TryParse(Id.Remove(17), out n) == false || n < Math.Pow(10, 16) || long.TryParse(Id.Replace('x', '0').Replace('X', '0'), out n) == false)

            {

                return false;//数字验证

            }

            string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";

            if (address.IndexOf(Id.Remove(2)) == -1)

            {

                return false;//省份验证

            }

            string birth = Id.Substring(6, 8).Insert(6, "-").Insert(4, "-");

            DateTime time = new DateTime();

            if (DateTime.TryParse(birth, out time) == false)

            {

                return false;//生日验证

            }

            string[] arrVarifyCode = ("1,0,x,9,8,7,6,5,4,3,2").Split(',');

            string[] Wi = ("7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2").Split(',');

            char[] Ai = Id.Remove(17).ToCharArray();

            int sum = 0;

            for (int i = 0; i < 17; i++)

            {

                sum += int.Parse(Wi[i]) * int.Parse(Ai[i].ToString());

            }

            int y = -1;

            Math.DivRem(sum, 11, out y);

            if (arrVarifyCode[y] != Id.Substring(17, 1).ToLower())

            {

                return false;//校验码验证

            }

            return true;//符合GB11643-1999标准

        }



        /// <summary>

        /// 验证18位身份证号

        /// </summary>

        /// <param name="Id">身份证号</param>

        /// <returns>验证成功为True，否则为False</returns>

        private static bool CheckIDCard15(string Id)

        {

            long n = 0;

            if (long.TryParse(Id, out n) == false || n < Math.Pow(10, 14))

            {

                return false;//数字验证

            }

            string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";

            if (address.IndexOf(Id.Remove(2)) == -1)

            {

                return false;//省份验证

            }

            string birth = Id.Substring(6, 6).Insert(4, "-").Insert(2, "-");

            DateTime time = new DateTime();

            if (DateTime.TryParse(birth, out time) == false)

            {

                return false;//生日验证

            }

            return true;//符合15位身份证标准

        }



        #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(System.Web.UI.WebControls.Label lbl, string txtInput)

        {

            lbl.Text = HtmlEncode(txtInput);

        }

        /// <summary>

        /// 为Label赋值

        /// </summary>

        /// <param name="lbl"></param>

        /// <param name="inputObj"></param>

        public static void SetLabel(System.Web.UI.WebControls.Label lbl, object inputObj)

        {

            SetLabel(lbl, inputObj.ToString());

        }

        /// <summary>

        /// 字符串清理

        /// </summary>

        /// <param name="inputString"></param>

        /// <param name="maxLength"></param>

        /// <returns></returns>

        public static string InputText(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("&quot;");

                            break;

                        case '<':

                            retVal.Append("&lt;");

                            break;

                        case '>':

                            retVal.Append("&gt;");

                            break;

                        default:

                            retVal.Append(inputString[i]);

                            break;

                    }

                }

                retVal.Replace("'", " ");// 替换单引号

            }

            return retVal.ToString();



        }

        /// <summary>

        /// 转换成 HTML code

        /// </summary>

        /// <param name="str">string</param>

        /// <returns>string</returns>

        public static string Encode(string str)

        {

            str = str.Replace("&", "&amp;");

            str = str.Replace("'", "''");

            str = str.Replace("\"", "&quot;");

            str = str.Replace(" ", "&nbsp;");

            str = str.Replace("<", "&lt;");

            str = str.Replace(">", "&gt;");

            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("&gt;", ">");

            str = str.Replace("&lt;", "<");

            str = str.Replace("&nbsp;", " ");

            str = str.Replace("&quot;", "\"");

            return str;

        }

        /// <summary>

        /// SQL注入字符清理

        /// </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

        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



        #region 验证IP地址是否合法

        /// <summary>

        /// 验证IP地址是否合法

        /// </summary>

        /// <param name="ip">要验证的IP地址</param>        

        public static bool IsIP(string ip)

        {

            //如果为空，认为验证合格

            if (IsNullOrEmpty(ip))

            {

                return true;

            }



            //清除要验证字符串中的空格

            ip = ip.Trim();



            //模式字符串

            string pattern = @"^((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)$";



            //验证

            return RegexHelper.IsMatch(ip, pattern);

        }

        #endregion



        



        #region 验证是否为整数

        /// <summary>

        /// 验证是否为整数 如果为空，认为验证不合格 返回false

        /// </summary>

        /// <param name="number">要验证的整数</param>        

        public static bool IsInt(string number)

        {

            //如果为空，认为验证不合格

            if (IsNullOrEmpty(number))

            {

                return false;

            }



            //清除要验证字符串中的空格

            number = number.Trim();



            //模式字符串

            string pattern = @"^[0-9]+[0-9]*$";



            //验证

            return RegexHelper.IsMatch(number, pattern);

        }

        #endregion



        



        #region 验证日期是否合法

        /// <summary>

        /// 验证日期是否合法,对不规则的作了简单处理

        /// </summary>

        /// <param name="date">日期</param>

        public static bool IsDate(ref string date)

        {

            //如果为空，认为验证合格

            if (IsNullOrEmpty(date))

            {

                return true;

            }



            //清除要验证字符串中的空格

            date = date.Trim();



            //替换\

            date = date.Replace(@"\", "-");

            //替换/

            date = date.Replace(@"/", "-");



            //如果查找到汉字"今",则认为是当前日期

            if (date.IndexOf("今") != -1)

            {

                date = DateTime.Now.ToString();

            }



            try

            {

                //用转换测试是否为规则的日期字符

                date = Convert.ToDateTime(date).ToString("d");

                return true;

            }

            catch

            {

                //如果日期字符串中存在非数字，则返回false

                if (!IsInt(date))

                {

                    return false;

                }



                #region 对纯数字进行解析

                //对8位纯数字进行解析

                if (date.Length == 8)

                {

                    //获取年月日

                    string year = date.Substring(0, 4);

                    string month = date.Substring(4, 2);

                    string day = date.Substring(6, 2);



                    //验证合法性

                    if (Convert.ToInt32(year) < 1900 || Convert.ToInt32(year) > 2100)

                    {

                        return false;

                    }

                    if (Convert.ToInt32(month) > 12 || Convert.ToInt32(day) > 31)

                    {

                        return false;

                    }



                    //拼接日期

                    date = Convert.ToDateTime(year + "-" + month + "-" + day).ToString("d");

                    return true;

                }



                //对6位纯数字进行解析

                if (date.Length == 6)

                {

                    //获取年月

                    string year = date.Substring(0, 4);

                    string month = date.Substring(4, 2);



                    //验证合法性

                    if (Convert.ToInt32(year) < 1900 || Convert.ToInt32(year) > 2100)

                    {

                        return false;

                    }

                    if (Convert.ToInt32(month) > 12)

                    {

                        return false;

                    }



                    //拼接日期

                    date = Convert.ToDateTime(year + "-" + month).ToString("d");

                    return true;

                }



                //对5位纯数字进行解析

                if (date.Length == 5)

                {

                    //获取年月

                    string year = date.Substring(0, 4);

                    string month = date.Substring(4, 1);



                    //验证合法性

                    if (Convert.ToInt32(year) < 1900 || Convert.ToInt32(year) > 2100)

                    {

                        return false;

                    }



                    //拼接日期

                    date = year + "-" + month;

                    return true;

                }



                //对4位纯数字进行解析

                if (date.Length == 4)

                {

                    //获取年

                    string year = date.Substring(0, 4);



                    //验证合法性

                    if (Convert.ToInt32(year) < 1900 || Convert.ToInt32(year) > 2100)

                    {

                        return false;

                    }



                    //拼接日期

                    date = Convert.ToDateTime(year).ToString("d");

                    return true;

                }

                #endregion



                return false;

            }

        }

        #endregion



        #region 验证身份证是否合法

        /// <summary>

        /// 验证身份证是否合法

        /// </summary>

        /// <param name="idCard">要验证的身份证</param>        

        public static bool IsIdCard(string idCard)

        {

            //如果为空，认为验证合格

            if (IsNullOrEmpty(idCard))

            {

                return true;

            }



            //清除要验证字符串中的空格

            idCard = idCard.Trim();



            //模式字符串

            StringBuilder pattern = new StringBuilder();

            pattern.Append(@"^(11|12|13|14|15|21|22|23|31|32|33|34|35|36|37|41|42|43|44|45|46|");

            pattern.Append(@"50|51|52|53|54|61|62|63|64|65|71|81|82|91)");

            pattern.Append(@"(\d{13}|\d{15}[\dx])$");



            //验证

            return RegexHelper.IsMatch(idCard, pattern.ToString());

        }

        #endregion



        #region 检测客户的输入中是否有危险字符串

        /// <summary>

        /// 检测客户输入的字符串是否有效,并将原始字符串修改为有效字符串或空字符串。

        /// 当检测到客户的输入中有攻击性危险字符串,则返回false,有效返回true。

        /// </summary>

        /// <param name="input">要检测的字符串</param>

        public static bool IsValidInput(ref string input)

        {

            try

            {

                if (IsNullOrEmpty(input))

                {

                    //如果是空值,则跳出

                    return true;

                }

                else

                {

                    //替换单引号

                    input = input.Replace("'", "''").Trim();



                    //检测攻击性危险字符串

                    string testString = "and |or |exec |insert |select |delete |update |count |chr |mid |master |truncate |char |declare ";

                    string[] testArray = testString.Split('|');

                    foreach (string testStr in testArray)

                    {

                        if (input.ToLower().IndexOf(testStr) != -1)

                        {

                            //检测到攻击字符串,清空传入的值

                            input = "";

                            return false;

                        }

                    }



                    //未检测到攻击字符串

                    return true;

                }

            }

            catch (Exception ex)

            {

                throw new Exception(ex.Message);

            }

        }

        #endregion



        #region 判断对象是否为空

        /// <summary>

        /// 判断对象是否为空，为空返回true

        /// </summary>

        /// <typeparam name="T">要验证的对象的类型</typeparam>

        /// <param name="data">要验证的对象</param>        

        public static bool IsNullOrEmpty<T>(T data)

        {

            //如果为null

            if (data == null)

            {

                return true;

            }



            //如果为""

            if (data.GetType() == typeof(String))

            {

                if (string.IsNullOrEmpty(data.ToString().Trim()))

                {

                    return true;

                }

            }



            //如果为DBNull

            if (data.GetType() == typeof(DBNull))

            {

                return true;

            }



            //不为空

            return false;

        }



        /// <summary>

        /// 判断对象是否为空，为空返回true

        /// </summary>

        /// <param name="data">要验证的对象</param>

        public static bool IsNullOrEmpty(object data)

        {

            //如果为null

            if (data == null)

            {

                return true;

            }



            //如果为""

            if (data.GetType() == typeof(String))

            {

                if (string.IsNullOrEmpty(data.ToString().Trim()))

                {

                    return true;

                }

            }



            //如果为DBNull

            if (data.GetType() == typeof(DBNull))

            {

                return true;

            }



            //不为空

            return false;

        }

        #endregion

    }

}