asp.net 常用表单验证类
2009-06-22 13:41 Jeffery Tao 阅读(378) 评论(1) 收藏 举报|
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using System; using System.Text.RegularExpressions; namespace TestHyey { public class PageValidate { //private static Regex RegNumber = new Regex("^[0-9]+$");//正整数 //private static Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");//正负整数 //private static Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]+$");//小数 //private static Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$"); //等价于^[+-]?\d+[.]?\d+$ //private static Regex RegEmail = new Regex("^[\\w-]+@[\\w-]+\\.(com|net|org|edu|mil|tv|biz|info)$");//w 英文字母或数字的字符串，和 [a-zA-Z0-9] 语法一样 //private static Regex RegChinese = new Regex("[\u4e00-\u9fa5]");//中文 //private static Regex RegUrl = new Regex("^http://([w-]+.)+[w-]+(/[w-./ %&=]*)$");//带http://的网址 //private static Regex RegTel = new Regex("^(\d{3}-\d{8})$|^(\d{4}-\d{7})$|^(\d{11})$");//国内电话号码 ，正确格式为：“XXXX-XXXXXXX”，“XXXX-XXXXXXXX”，“XXX-XXXXXXX”， “XXXXXXXXXXX”。 //private static Regex RegQQ = new Regex("^[1-9]*[1-9][0-9]*$");//匹配腾讯QQ号 //private static Regex RegIDCard = new Regex(@"(^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])((\d{4})|\d{3}[A-Z])$)|(^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$)");//匹配国内身份证号〕 //private static Regex RegUserName = new Regex(@"^[a-zA-Z]\w{5,15}$");//匹配由字母开头，数字、26个英文字母或者下划线组成6-16位的字符串 //private static Regex RegEnglish = new Regex("^[A-Za-z]+$");//由26个英文字母组成的字符串 //private static Regex RegTrim = new Regex(@"(^\s*)|(\s*$)");//首尾空格的行 //private static Regex RegTrimRow = new Regex(@"\n[\s| ]*\r");//空行 //private static Regex RegMobile = new Regex(@"^((\(\d{2,3}\))|(\d{3}\-))?1[3|5]\d{9}$");//国内手机 public PageValidate() { } //检查时候有危险字符 public static bool CheckParam(string str) { Regex r = new Regex("^\\w+$"); Match m = r.Match(str); if (m.Success) { return true; } else { return false; } } //
#region//对入库字符进行编码和转换。 /// <summary> /// 对入库字符进行编码和转换 /// </summary> /// <param name="str"></param> /// <returns></returns> public static string EncodeStr(string str) { str = str.Replace("'", "’"); str = str.Replace("\"", """); str = str.Replace("<", "<"); str = str.Replace(">", ">"); str = str.Replace("\n", "<br>"); return str; } #endregion #region//对出库字符进入显示时的转换。 /// <summary> /// 对出库字符进入显示时的转换 /// </summary> /// <param name="str"></param> /// <returns></returns> public static string DecodeStr(string str) { str = str.Replace("’", "'"); str = str.Replace(""", "\""); str = str.Replace("<", "<"); str = str.Replace(">", ">"); str = str.Replace("<br>", "\n"); return str; } #endregion #region 数字字符串检查 /// <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) { Regex RegNumber = new Regex("^[0-9]+$");//正整数 Match m = RegNumber.Match(inputData); return m.Success; } /// <summary> /// 是否数字字符串 可带正负号 /// </summary> /// <param name="inputData">输入字符串</param> /// <returns></returns> public static bool IsNumberSign(string inputData) { Regex RegNumberSign = new Regex("^[+-]?[0-9]+$");//正负整数 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) { Regex RegDecimal = new Regex("^[0-9]+[.]?[0-9]+$");//小数 Match m = RegDecimal.Match(inputData); return m.Success; } /// <summary> /// 是否是浮点数 可带正负号 /// </summary> /// <param name="inputData">输入字符串</param> /// <returns></returns> public static bool IsDecimalSign(string inputData) { Regex RegDecimalSign = new Regex("^[+-]?[0-9]+[.]?[0-9]+$"); //等价于^[+-]?\d+[.]?\d+$ 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 IsChinese(string inputData) { Regex RegChinese = new Regex("^[\u4e00-\u9fa5]+$");//中文 Match m = RegChinese.Match(inputData); return m.Success; } #endregion #region 邮件地址 /// <summary> /// 是否是邮件地址 /// </summary> /// <param name="inputData">输入字符串</param> /// <returns></returns> public static bool IsEmail(string inputData) { Regex RegEmail = new Regex("^[\\w-]+@[\\w-]+\\.(com|net|org|edu|mil|tv|biz|info|cn)$");//w 英文字母或数字的字符串，和 [a-zA-Z0-9] 语法一样 Match m = RegEmail.Match(inputData); return m.Success; } #endregion #region URL网址 /// <summary> /// 是否是带http://的网址 /// </summary> /// <param name="inputData"></param> /// <returns></returns> public static bool IsUrl(string inputData) { Regex RegUrl = new Regex("^http://([w-]+.)+[w-]+(/[w-./ %&=]*)$");//带http://的网址 Match m= RegUrl.Match(inputData); return m.Success; } #endregion #region 固定电话 /// <summary> /// 是否是国内电话号码 /// </summary> /// <param name="inputData"></param> /// <returns></returns> public static bool IsTel(string inputData) { Regex RegTel = new Regex(@"^(\d{3}-\d{8})$|^(\d{4}-\d{7})$|^(\d{11})$");//国内电话号码 ，正确格式为：“XXXX-XXXXXXX”，“XXXX-XXXXXXXX”，“XXX-XXXXXXX”， “XXX-XXXXXXXX”，“XXXXXXX”，“XXXXXXXX”。 Match m = RegTel.Match(inputData); return m.Success; } #endregion #region QQ /// <summary> /// 是否是QQ /// </summary> /// <param name="inputData"></param> /// <returns></returns> public static bool IsQQ(string inputData) { Regex RegQQ = new Regex("^[1-9]*[1-9][0-9]*$");//匹配腾讯QQ号 Match m = RegQQ.Match(inputData); return m.Success; } #endregion #region 身份证 /// <summary> /// 是否是国内身份证号 /// </summary> /// <param name="inputData"></param> /// <returns></returns> public static bool IsIDCard(string inputData) { Regex RegIDCard = new Regex(@"(^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])((\d{4})|\d{3}[A-Z])$)|(^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$)");//匹配国内身份证号〕 Match m = RegIDCard.Match(inputData); return m.Success; } #endregion #region 账号 /// <summary> /// 账号是否合法，字母开头，数字、26个英文字母或者下划线组成6-16位的字符串 /// </summary> /// <param name="inputData"></param> /// <returns></returns> public static bool IsUserName(string inputData) { Regex RegUserName = new Regex(@"^[a-zA-Z]\w{5,15}$");//匹配由字母开头，数字、26个英文字母或者下划线组成6-16位的字符串 Match m = RegUserName.Match(inputData); return m.Success; } #endregion #region 英文字母 /// <summary> /// 是否是由26个英文字母组成的字符串 /// </summary> /// <param name="inputData"></param> /// <returns></returns> public static bool IsEnglish(string inputData) { Regex RegEnglish = new Regex("^[A-Za-z]+$");//由26个英文字母组成的字符串 Match m = RegEnglish.Match(inputData); return m.Success; } #endregion #region 空行 /// <summary> /// 是否有空行 /// </summary> /// <param name="inputData"></param> /// <returns></returns> public static bool IsTrimRow(string inputData) { Regex RegTrimRow = new Regex(@"\n[\s| ]*\r");//空行 Match m = RegTrimRow.Match(inputData); return m.Success; } #endregion #region 手机 /// <summary> /// 是否是国内手机 /// </summary> /// <param name="inputData"></param> /// <returns></returns> public static bool IsMobile(string inputData) { Regex RegMobile = new Regex(@"^((\(\d{2,3}\))|(\d{3}\-))?1[3|5]\d{9}$");//国内手机 Match m = RegMobile.Match(inputData); return m.Success; } #endregion #region 日期 /// <summary> /// 检查是否是日期 /// </summary> /// <param name="inputData"></param> /// <returns></returns> public static bool IsDate(string inputData) { try { DateTime.Parse(inputData); return true; } catch { return false; } } #endregion #region 检查字符串最大长度，返回指定长度的串 /// <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; } #endregion #region//获得<>中的内容 public static string filterHtm(string htmlStr) { int flag; if (htmlStr.IndexOf(">") < htmlStr.IndexOf("<") || htmlStr.IndexOf("<") == 0) flag = 0; else flag = 1; string filterStr = ""; foreach (char str in htmlStr) { if (str.ToString() == "<") flag = 0; if (flag == 1) filterStr += str.ToString(); if (str.ToString() == ">") flag = 1; } return filterStr; } #endregion } } |
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