C#常用操作类库——验证类

来源：互联网发布：java 入门编辑：程序博客网时间：2024/05/20 05:59
public class Validator    {        #region  验证输入字符串为数字        /// <summary>        /// 验证输入字符串为数字        /// </summary>        /// <param name="strln">输入字符</param>        /// <returns>返回一个bool类型的值</returns>        public static bool IsNumber(string strln)        {            return Regex.IsMatch(strln, "^([0]|([1-9]+\\d{0,}?))(.[\\d]+)?$");        }        #endregion               /// <summary>        /// 判断用户输入是否为日期        /// </summary>        /// <param name="strln"></param>        /// <returns></returns>        /// <remarks>        /// 可判断格式如下（其中-可替换为/，不影响验证)        /// YYYY | YYYY-MM | YYYY-MM-DD | YYYY-MM-DD HH:MM:SS | YYYY-MM-DD HH:MM:SS.FFF        /// </remarks>        public static bool IsDateTime(string strln)        {            if (null == strln)            {                return false;            }            string regexDate = @"[1-2]{1}[0-9]{3}((-|\/|\.){1}(([0]?[1-9]{1})|(1[0-2]{1}))((-|\/|\.){1}((([0]?[1-9]{1})|([1-2]{1}[0-9]{1})|(3[0-1]{1})))( (([0-1]{1}[0-9]{1})|2[0-3]{1}):([0-5]{1}[0-9]{1}):([0-5]{1}[0-9]{1})(\.[0-9]{3})?)?)?)?$";            if (Regex.IsMatch(strln, regexDate))            {                //以下各月份日期验证，保证验证的完整性                int _IndexY = -1;                int _IndexM = -1;                int _IndexD = -1;                if (-1 != (_IndexY = strln.IndexOf("-")))                {                    _IndexM = strln.IndexOf("-", _IndexY + 1);                    _IndexD = strln.IndexOf(":");                }                else                {                    _IndexY = strln.IndexOf("/");                    _IndexM = strln.IndexOf("/", _IndexY + 1);                    _IndexD = strln.IndexOf(":");                }                //不包含日期部分，直接返回true                if (-1 == _IndexM)                    return true;                if (-1 == _IndexD)                {                    _IndexD = strln.Length + 3;                }                int iYear = Convert.ToInt32(strln.Substring(0, _IndexY));                int iMonth = Convert.ToInt32(strln.Substring(_IndexY + 1, _IndexM - _IndexY - 1));                int iDate = Convert.ToInt32(strln.Substring(_IndexM + 1, _IndexD - _IndexM - 4));                //判断月份日期                if ((iMonth < 8 && 1 == iMonth % 2) || (iMonth > 8 && 0 == iMonth % 2))                {                    if (iDate < 32)                        return true;                }                else                {                    if (iMonth != 2)                    {                        if (iDate < 31)                            return true;                    }                    else                    {                        //闰年                        if ((0 == iYear % 400) || (0 == iYear % 4 && 0 < iYear % 100))                        {                            if (iDate < 30)                                return true;                        }                        else                        {                            if (iDate < 29)                                return true;                        }                    }                }            }            return false;        }                #region 验证手机号        /// <summary>        /// 验证输入字符串为18位的手机号码        /// </summary>        /// <param name="source"></param>        /// <returns></returns>        public static bool IsMobile(string strln)        {            return Regex.IsMatch(strln, @"^1[0123456789]\d{9}$", RegexOptions.IgnoreCase);        }               #endregion             /// <summary>        /// 验证身份证是否有效        /// </summary>        /// <param name="strln"></param>        /// <returns></returns>        public static bool IsIDCard(string strln)        {            if (strln.Length == 18)            {                bool check = IsIDCard18(strln);                return check;            }            else if (strln.Length == 15)            {                bool check = IsIDCard15(strln);                return check;            }            else            {                return false;            }        }        /// <summary>        /// 验证输入字符串为18位的身份证号码        /// </summary>        /// <param name="strln">输入的字符</param>        /// <returns></returns>        public static bool IsIDCard18(string strln)        {            long n = 0;            if (long.TryParse(strln.Remove(17), out n) == false || n < Math.Pow(10, 16) || long.TryParse(strln.Replace('x', '0').Replace('X', '0'), out n) == false)            {                return false;//数字验证            }            string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";            if (address.IndexOf(strln.Remove(2)) == -1)            {                return false;//省份验证            }            string birth = strln.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 = strln.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] != strln.Substring(17, 1).ToLower())            {                return false;//校验码验证            }            return true;//符合GB11643-1999标准        }        /// <summary>        /// 验证输入字符串为15位的身份证号码        /// </summary>        /// <param name="strln">输入的字符</param>        /// <returns></returns>        public static bool IsIDCard15(string strln)        {            long n = 0;            if (long.TryParse(strln, out n) == false || n < Math.Pow(10, 14))            {                return false;//数字验证            }            string address = "11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";            if (address.IndexOf(strln.Remove(2)) == -1)            {                return false;//省份验证            }            string birth = strln.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        }                        /// <summary>        /// 验证输入字符串为电话号码        /// </summary>        /// <param name="P_str_phone">输入字符串</param>        /// <returns>返回一个bool类型的值</returns>        public static bool IsPhone(string strln)        {            return Regex.IsMatch(strln, @"(^(\d{2,4}[-_－—]?)?\d{3,8}([-_－—]?\d{3,8})?([-_－—]?\d{1,7})?$)|(^0?1[35]\d{9}$)");            //弱一点的验证：  @"\d{3,4}-\d{7,8}"                 }                /// <summary>        /// 验证是否是有效邮箱地址        /// </summary>        /// <param name="strln">输入的字符</param>        /// <returns></returns>        public static bool IsEmail(string strln)        {            return Regex.IsMatch(strln, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");        }        /// <summary>        /// 验证是否是有效传真号码        /// </summary>        /// <param name="strln">输入的字符</param>        /// <returns></returns>        public static bool IsFax(string strln)        {            return Regex.IsMatch(strln, @"^[+]{0,1}(\d){1,3}[ ]?([-]?((\d)|[ ]){1,12})+$");        }        /// <summary>        /// 验证是否只含有汉字        /// </summary>        /// <param name="strln">输入的字符</param>        /// <returns></returns>        public static bool IsOnllyChinese(string strln)        {            return Regex.IsMatch(strln, @"^[\u4e00-\u9fa5]+$");        }    }
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