C#验证类大全(整理) 可验证：邮箱,电话,手机,数字,英文,日期,身份证,邮编,网址,IP
2008-12-24 17:11
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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Text.RegularExpressions;
/// <summary>
/// RegExp Soruce: http://regexlib.com/DisplayPatterns.aspx
/// Author:柳永法 yongfa365 http://www.yongfa365.com/ yongfa365@qq.com
/// Intro:验证 网址，IP，邮箱，电话，手机，数字，英文，日期，身份证，邮编，
/// 原则上是中国通用，因为各种场合不一样所以有特殊情况肯定要自己再手写，这里只能是提供一些通用的验证，追求太完美是不现实的。
/// Version: 1.0
/// PutTime: 2008-6-5
/// LastModi:2008-6-5
/// </summary>
///
public class Validator
{
#region 验证邮箱
/// <summary>
/// 验证邮箱
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsEmail(string source)
{
return Regex.IsMatch(source, @"^[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})$", RegexOptions.IgnoreCase);
}
public static bool HasEmail(string source)
{
return Regex.IsMatch(source, @"[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})", RegexOptions.IgnoreCase);
}
#endregion
#region 验证网址
/// <summary>
/// 验证网址
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsUrl(string source)
{
return Regex.IsMatch(source, @"^(((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)://)|(www\.))+(([a-zA-Z0-9\._-]+\.[a-zA-Z]{2,6})|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(/[a-zA-Z0-9\&%_\./-~-]*)?$", RegexOptions.IgnoreCase);
}
public static bool HasUrl(string source)
{
return Regex.IsMatch(source, @"(((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)://)|(www\.))+(([a-zA-Z0-9\._-]+\.[a-zA-Z]{2,6})|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(/[a-zA-Z0-9\&%_\./-~-]*)?", RegexOptions.IgnoreCase);
}
#endregion
#region 验证日期
/// <summary>
/// 验证日期
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsDateTime(string source)
{
try
{
DateTime time = Convert.ToDateTime(source);
return true;
}
catch
{
return false;
}
}
#endregion
#region 验证手机号
/// <summary>
/// 验证手机号
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsMobile(string source)
{
return Regex.IsMatch(source, @"^1[35]\d{9}$", RegexOptions.IgnoreCase);
}
public static bool HasMobile(string source)
{
return Regex.IsMatch(source, @"1[35]\d{9}", RegexOptions.IgnoreCase);
}
#endregion
#region 验证IP
/// <summary>
/// 验证IP
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsIP(string source)
{
return Regex.IsMatch(source, @"^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])$", RegexOptions.IgnoreCase);
}
public static bool HasIP(string source)
{
return Regex.IsMatch(source, @"(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])", RegexOptions.IgnoreCase);
}
public static bool IsIp(string ip)
{
bool result = false;
try
{
string[] iparg = ip.Split('.');
if (string.Empty != ip && ip.Length < 16 && iparg.Length == 4)
{
int intip;
for (int i = 0; i < 4; i++)
{
intip = Convert.ToInt16(iparg[i]);
if (intip > 255)
{
result = false;
return result;
}
}
result = true;
}
}
catch
{
return result;
}
return result;
}
#endregion
#region 验证身份证是否有效
/// <summary>
/// 验证身份证是否有效
/// </summary>
/// <param name="Id"></param>
/// <returns></returns>
public static bool IsIDCard(string Id)
{
if (Id.Length == 18)
{
bool check = IsIDCard18(Id);
return check;
}
else if (Id.Length == 15)
{
bool check = IsIDCard15(Id);
return check;
}
else
{
return false;
}
}
public static bool IsIDCard18(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
}
public static bool IsIDCard15(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 是不是Int型的
/// <summary>
/// 是不是Int型的
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsInt(string source)
{
Regex regex = new Regex(@"^(-){0,1}\d+$");
if (regex.Match(source).Success)
{
if ((long.Parse(source) > 0x7fffffffL) || (long.Parse(source) < -2147483648L))
{
return false;
}
return true;
}
return false;
}
#endregion
#region 看字符串的长度是不是在限定数之间 一个中文为两个字符
/// <summary>
/// 看字符串的长度是不是在限定数之间 一个中文为两个字符
/// </summary>
/// <param name="source">字符串</param>
/// <param name="begin">大于等于</param>
/// <param name="end">小于等于</param>
/// <returns></returns>
public static bool IsLengthStr(string source, int begin, int end)
{
int length = Regex.Replace(source, @"[^\x00-\xff]", "OK").Length;
if ((length <= begin) && (length >= end))
{
return false;
}
return true;
}
#endregion
#region 是不是中国电话，格式010-85849685
/// <summary>
/// 是不是中国电话，格式010-85849685
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsTel(string source)
{
return Regex.IsMatch(source, @"^\d{3,4}-?\d{6,8}$", RegexOptions.IgnoreCase);
}
#endregion
#region 邮政编码 6个数字
/// <summary>
/// 邮政编码 6个数字
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsPostCode(string source)
{
return Regex.IsMatch(source, @"^\d{6}$", RegexOptions.IgnoreCase);
}
#endregion
#region 中文
/// <summary>
/// 中文
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsChinese(string source)
{
return Regex.IsMatch(source, @"^[\u4e00-\u9fa5]+$", RegexOptions.IgnoreCase);
}
public static bool hasChinese(string source)
{
return Regex.IsMatch(source, @"[\u4e00-\u9fa5]+", RegexOptions.IgnoreCase);
}
#endregion
#region 验证是不是正常字符 字母，数字，下划线的组合
/// <summary>
/// 验证是不是正常字符 字母，数字，下划线的组合
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsNormalChar(string source)
{
return Regex.IsMatch(source, @"[\w\d_]+", RegexOptions.IgnoreCase);
}
#endregion
#region 验证用户名：必须以字母开头，可以包含字母、数字、“_”、“.”，至少5个字符
/// <summary>
/// 验证用户名：必须以字母开头，可以包含字母、数字、“_”、“.”，至少5个字符
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool checkUserId(string str)
{
Regex regex = new Regex("[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}");
if (regex.Match(str).Success)
if (regex.Matches(str)[0].Value.Length == str.Length)
return true;
return false;
}
#endregion
#region 验证是否为小数
bool IsValidDecimal(string strIn)
{
return Regex.IsMatch(strIn, @"[0].d{1,2}|[1]");
}
#endregion
#region 验证年月日
bool IsValidDate(string strIn)
{
return Regex.IsMatch(strIn, @"^2d{3}-(?:0?[1-9]|1[0-2])-(?:0?[1-9]|[1-2]d|3[0-1])(?:0?[1-9]|1d|2[0-3]):(?:0?[1-9]|[1-5]d):(?:0?[1-9]|[1-5]d)$");
}
#endregion
#region 验证日期格式
//检察是否正确的日期格式
public static bool IsDate(string str)
{
//考虑到了4年一度的366天，还有特殊的2月的日期
Regex reg = new Regex(@"^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d$");
return reg.IsMatch(str);
}
#endregion
#region 验证后缀名
bool IsValidPostfix(string strIn)
{
return Regex.IsMatch(strIn, @".(?i:gif|jpg)$");
}
#endregion
#region 验证字符是否在4至12之间
bool IsValidByte(string strIn)
{
return Regex.IsMatch(strIn, @"^[a-z]{4,12}$");
}
#endregion
#region dd-mm-yy 的日期形式代替 mm/dd/yy 的日期形式
string MDYToDMY(String input)
{
return Regex.Replace(input, "http://www.cnblogs.com/tiantangwater/admin/file://b(/?\\d{1,2})/(?\\d{1,2})/(?\\d{2,4})\\b", "${day}-${month}-${year}");
}
#endregion
#region MD5加密
/// <summary>
/// MD5加密，返回加密过的字符串
/// </summary>
/// <param name="InEncrypt">要加密的字符串</param>
/// <returns></returns>
public static string Md5(string InEncrypt)
{
return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(InEncrypt, "MD5");
}
#endregion
#region 判断输入是否为空 并弹出错误信息
/// <summary>
/// 判断输入是否为空 并弹出错误信息
/// </summary>
/// <param name="str">验证内容</param>
/// <param name="erroStr">错误提示内容</param>
/// <returns>bool</returns>
public static bool IsEmpty(string str, string erroStr)
{
bool result = false;
if (string.Empty == str)
{
Validator.erro(erroStr);
result = true;
}
return result;
}
#endregion
#region 判断字符串是否为数字
/// <summary>
/// 判断字符串是否为数字
/// </summary>
/// <param name="str">待验证的字符窜</param>
/// <returns>bool</returns>
public static bool IsNumber(string str)
{
bool result = true;
foreach (char ar in str)
{
if (!char.IsNumber(ar))
{
result = false;
break;
}
}
return result;
}
#endregion
#region 是否为数字型
/// <summary>
/// 是否为数字型
/// </summary>
/// <param name="strNumber"></param>
/// <returns></returns>
public static bool IsDecimal(string strNumber)
{
return new System.Text.RegularExpressions.Regex(@"^([0-9])[0-9]*(\.\w*)?$").IsMatch(strNumber);
}
#endregion
#region 字符串转换\数字转换 转换为安全格式
/// <summary>
/// 返回安全整数类型
/// </summary>
/// <param name="str">要转换的字符串</param>
/// <returns>int16 整形数字</returns>
public static string safeInt(string str)
{
string constr = "0";
try
{
constr = (Convert.ToInt16(str)).ToString();
return constr;
}
catch
{
return constr;
}
}
///////////////////////////////////////////////
//
// 功能：安全处理用户提供的字符串内容
//
// 作者：依依秋寒
// 时间：2008-10-27
//
///////////////////////////////////////////////
/// <summary>
/// 转化为安全字符串 去除其中的英文单引号
/// </summary>
/// <param name="str">字符串内容</param>
/// <returns>string 处理后的</returns>
public static string safeStr(string str)
{
try
{
str = str.Replace("'", "'");
str = str.Replace("\"", """);
str = str.Replace("<", "<");
str = str.Replace(">", ">");
return str;
}
catch
{
return "";
}
}
/// <summary>
/// 把字符串转化为安全的text内容
/// </summary>
/// <param name="str">传入的字符串内容</param>
/// <returns>转化后结果 string</returns>
public static string safeText(string str)
{
try
{
str = str.Replace("'", "'");
str = str.Replace("\"", """);
str = str.Replace("<", "<");
str = str.Replace(">", ">");
str = str.Replace("\n", "<br />");
return str;
}
catch
{
return "";
}
}
///////////////////////////////////////////////
//
// 功能：把经过安全处理的字符串返原成用户提交的内容
//
// 作者：依依秋寒
// 时间：2008-10-27
//
///////////////////////////////////////////////
/// <summary>
/// 把'还原成单引号
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string safeStrToSource(string str)
{
try
{
str = str.Replace("<", "<");
str = str.Replace(">", ">");
str = str.Replace(""", "\"");
str = str.Replace("'", "'");
str = str.Replace(" ", " ");
return str;
}
catch
{
return "";
}
}
/// <summary>
/// 把经过安全的text内容转化为源字符串
/// </summary>
/// <param name="str">传入的字符串内容</param>
/// <returns></returns>
public static string safeTextToSource(string str)
{
try
{
str = str.Replace("<br />", "\n");
str = str.Replace("<", "<");
str = str.Replace(">", ">");
str = str.Replace(""", "\"");
str = str.Replace("'", "'");
str = str.Replace(" ", " ");
return str;
}
catch
{
return "";
}
}
/// <summary>
/// 是否安全
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsSafeSql(string str)
{
string sql = str.ToLower();
if (sql.Contains("delete"))
{
return false;
}
else if (sql.Contains("select"))
{
return false;
}
else if (sql.Contains("update"))
{
return false;
}
else if (sql.Contains("drop"))
{
return false;
}
else if (sql.Contains("execute"))
{
return false;
}
else if (sql.Contains("exec"))
{
return false;
}
else if (sql.Contains("'"))
{
return false;
}
return true;
}
/// <summary>
/// 替换不安全sql
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string SafeSql(string str)
{
System.Text.StringBuilder sb = new StringBuilder(str.ToLower());
sb.Replace("delete", "");
sb.Replace("select", "");
sb.Replace("update", "");
sb.Replace("drop", "");
sb.Replace("execute", "");
sb.Replace("exec", "");
sb.Replace("'", "");
return sb.ToString();
}
#endregion
#region 全角\半角转换
/// <summary>
/// 全角转半角的函数(DBC case)
/// </summary>
/// <param name="input">任意字符串</param>
/// <returns>半角字符串</returns>
///<remarks>
///全角空格为12288，半角空格为32
///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248
///</remarks>
public static string ToDBC(string input)
{
char[] c = input.ToCharArray();
for (int i = 0; i < c.Length; i++)
{
if (c[i] == 12288)
{
c[i] = (char)32;
continue;
}
if (c[i] > 65280 && c[i] < 65375)
c[i] = (char)(c[i] - 65248);
}
return new string(c);
}
/// <summary>
/// 半角转全角的函数(SBC case)
/// </summary>
/// <param name="input">任意字符串</param>
/// <returns>全角字符串</returns>
///<remarks>
///全角空格为12288，半角空格为32
///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248
///</remarks>
public static string ToSBC(string input)
{
//半角转全角：
char[] c = input.ToCharArray();
for (int i = 0; i < c.Length; i++)
{
if (c[i] == 32)
{
c[i] = (char)12288;
continue;
}
if (c[i] < 127)
c[i] = (char)(c[i] + 65248);
}
return new string(c);
}
#endregion
#region 弹出信息\跳转
/// <summary>
/// 弹出警告信息并跳转到指定页面地址
/// </summary>
/// <param name="str">警告信息内容</param>
/// <param name="url">指定要跳转的页面抵制</param>
public static void alert(string str, string url)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>alert('" + str + "');location.href='" + url + "'</script>");
}
/// <summary>
/// 弹出警告信息并返回申请页
/// </summary>
/// <param name="str">警告信息内容</param>
public static void alert(string str)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>alert('" + str + "');location.href='" + System.Web.HttpContext.Current.Request.RawUrl + "'</script>");
}
/// <summary>
/// 弹出信息 无跳转动作
/// </summary>
/// <param name="str">信息内容</param>
public static void erro(string str)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>alert('" + str + "');</script>");
}
/// <summary>
/// 后退一页
/// </summary>
public static void goback()
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>history.go(-1);</script>");
}
/// <summary>
/// 执行js命令
/// </summary>
/// <param name="function">传入要执行的js函数[包含参数的函数]</param>
public static void DoJsFunction(string function)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>" + function + "</script>");
}
#endregion
#region 删除文本中带的HTML标记
/// <summary>
/// 删除文本中带的HTML标记
/// </summary>
/// <param name="InString">输入要删除带HTML的字符串</param>
/// <returns>返回处理过的字符串</returns>
public static string DelHtmlCode(string InString)
{
string strTemp = InString;
int htmlBeginNum = 0;
int htmlEndNum = 0;
while (strTemp.Contains("<"))
{
if (!strTemp.Contains(">")) { break; } //当字符串内不包含">"时退出循环
htmlBeginNum = strTemp.IndexOf("<");
htmlEndNum = strTemp.IndexOf(">");
//删除从"<"到">"之间的所有字符串
strTemp = strTemp.Remove(htmlBeginNum, htmlEndNum - htmlBeginNum + 1);
}
strTemp = strTemp.Replace("\n", "");
strTemp = strTemp.Replace("\r", "");
strTemp = strTemp.Replace("\n\r", "");
strTemp = strTemp.Replace(" ", "");
strTemp = strTemp.Replace(" ", "");
strTemp = strTemp.Trim();
return strTemp;
}
/// <summary>
/// 去除HTML标记
/// </summary>
/// <param name="NoHTML">包括HTML的源码 </param>
/// <returns>已经去除后的文字</returns>
public static string NoHTML(string Htmlstring)
{
string strOutput = Htmlstring;
strOutput = Regex.Replace(strOutput, @"<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"-->", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"<!--.*", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(quot|#34);", "\"", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(amp|#38);", "&", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(lt|#60);", "<", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(gt|#62);", ">", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(iexcl|#161);", "\xa1", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(cent|#162);", "\xa2", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(pound|#163);", "\xa3", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(copy|#169);", "\xa9", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&#(\d+);", "", RegexOptions.IgnoreCase);
strOutput.Replace("<", "");
strOutput.Replace(">", "");
strOutput.Replace("\r\n", "");
strOutput = HttpContext.Current.Server.HtmlEncode(strOutput).Trim();
return HttpContext.Current.Server.HtmlEncode(strOutput).Trim();
}
#endregion
#region 截取字符串
/// <summary>
/// 从字符串左边起给定的位置截取字符串
/// </summary>
/// <param name="str">给定要截取的字符串内容</param>
/// <param name="len">截取的起始位置</param>
/// <returns>截取后的字符串 string</returns>
public static string leftstr(string str, int len)
{
if (str.Length > len && len > 0)
{
return str.Substring(0, len - 1) + "…";
}
else
{
return str;
}
}
#endregion
#region 截取字符串
/// <summary>
/// 截取相应数目的字符
/// </summary>
public static string MyLeftFunction(string mText, int byteCount)
{
if (byteCount < 1) return mText;
if (System.Text.Encoding.Default.GetByteCount(mText) <= byteCount)
{
return mText;
}
else
{
byte[] txtBytes = System.Text.Encoding.Default.GetBytes(mText);
byte[] newBytes = new byte[byteCount - 4];
for (int i = 0; i < byteCount - 4; i++)
newBytes[i] = txtBytes[i];
return System.Text.Encoding.Default.GetString(newBytes) + "...";
}
}
#endregion
#region 编码解码
/// <summary>
/// 解码得到url值
/// </summary>
/// <param name="str">string</param>
/// <returns>string</returns>
public static string Decode(string str)
{
return HttpContext.Current.Server.UrlDecode(str);
}
/// <summary>
/// 编码传入url
/// </summary>
/// <param name="str">string</param>
/// <returns>string</returns>
public static string Encode(string str)
{
return HttpContext.Current.Server.UrlEncode(str);
}
#endregion
#region 返回组合的查询条件
/// <summary>
/// 返回组合的查询条件
/// </summary>
/// <param name="i"> 1 and = ,2 or = ,3 and like ,4 or like, 5 时间段</param>
/// <param name="columnName"></param>
/// <param name="value"></param>
/// <returns></returns>
public static string BackSearchReson(int i, string columnName, string value)
{
string reson = "";
if (columnName != string.Empty && value != string.Empty)
{
switch (i)
{
case 1:
reson += " and " + columnName + "='" + value + "'";
break;
case 2:
reson += " or " + columnName + "='" + value + "'";
break;
case 3:
reson += " and " + columnName + " like'%" + value + "%'";
break;
case 4:
reson += " or " + columnName + " like'%" + value + "%'";
break;
case 5:
reson += " and (" + columnName + ">'" + Convert.ToDateTime(value).ToString() + "' and " + columnName + "<'" + Convert.ToDateTime(value).AddDays(1).ToString() + "')";
break;
}
}
return reson;
}
#endregion
#region 过滤字符串,过滤掉从输入框输入的一些非法字符，防注入！
public static string InputText(string text, int maxLength)
{
text = text.Trim();
if (text.Length == 0)
return string.Empty;
//if (text.Length > maxLength)
//text = text.Substring(0, maxLength);
text = Regex.Replace(text, "(<[b|B][r|R]/*>)+|(<[p|P](.|\\n)*?>)", "\n");//<br/>
text = Regex.Replace(text, "([b%7cb][s%7cs][p%7cp];//s]http://www.cnblogs.com/tiantangwater/admin/file://s*&[n%7cn][b%7cb][s%7cs][p%7cp];//s*)+", " ");//
text = Regex.Replace(text, "<(.|\\n)*?>", string.Empty);//any other tags
text = text.Replace("'", "");
text = text.Replace(" ", "");
text = text.Replace("%", "");
text = text.Replace("!", "");
text = text.Replace("~", "");
text = text.Replace("`", "");
text = text.Replace("#", "");
text = text.Replace("$", "");
text = text.Replace("^", "");
text = text.Replace("&", "");
text = text.Replace("*", "");
text = text.Replace("(", "");
text = text.Replace(")", "");
text = text.Replace("{", "");
text = text.Replace("}", "");
text = text.Replace("[", "");
text = text.Replace("]", "");
text = text.Replace(",", "");
text = text.Replace("/", "");
text = text.Replace("@", "");
text = text.Replace("-", "");
text = text.Replace("=", "");
text = text.Replace("+", "");
text = text.Replace("|", "");
text = text.Replace(".", "");
return text;
}
#endregion
#region 验证是否包含汉语/全部汉语
/// <summary>
/// 验证是否包含汉语
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsHanyu(string str)
{
Regex regex = new Regex("[\u4e00-\u9fa5]");
if (regex.Match(str).Success)
return true;
else
return false;
}
/// <summary>
/// 验证是否全部汉语
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsHanyuAll(string str)
{
Regex regex = new Regex("[\u4e00-\u9fa5]");
//匹配的内容长度和被验证的内容长度相同时，验证通过
if (regex.Match(str).Success)
if (regex.Matches(str).Count == str.Length)
return true;
//其它，未通过
return false;
}
#endregion
}
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Text;
using System.Text.RegularExpressions;
/// <summary>
/// RegExp Soruce: http://regexlib.com/DisplayPatterns.aspx
/// Author:柳永法 yongfa365 http://www.yongfa365.com/ yongfa365@qq.com
/// Intro:验证 网址，IP，邮箱，电话，手机，数字，英文，日期，身份证，邮编，
/// 原则上是中国通用，因为各种场合不一样所以有特殊情况肯定要自己再手写，这里只能是提供一些通用的验证，追求太完美是不现实的。
/// Version: 1.0
/// PutTime: 2008-6-5
/// LastModi:2008-6-5
/// </summary>
///
public class Validator
{
#region 验证邮箱
/// <summary>
/// 验证邮箱
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsEmail(string source)
{
return Regex.IsMatch(source, @"^[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})$", RegexOptions.IgnoreCase);
}
public static bool HasEmail(string source)
{
return Regex.IsMatch(source, @"[A-Za-z0-9](([_\.\-]?[a-zA-Z0-9]+)*)@([A-Za-z0-9]+)(([\.\-]?[a-zA-Z0-9]+)*)\.([A-Za-z]{2,})", RegexOptions.IgnoreCase);
}
#endregion
#region 验证网址
/// <summary>
/// 验证网址
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsUrl(string source)
{
return Regex.IsMatch(source, @"^(((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)://)|(www\.))+(([a-zA-Z0-9\._-]+\.[a-zA-Z]{2,6})|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(/[a-zA-Z0-9\&%_\./-~-]*)?$", RegexOptions.IgnoreCase);
}
public static bool HasUrl(string source)
{
return Regex.IsMatch(source, @"(((file|gopher|news|nntp|telnet|http|ftp|https|ftps|sftp)://)|(www\.))+(([a-zA-Z0-9\._-]+\.[a-zA-Z]{2,6})|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(/[a-zA-Z0-9\&%_\./-~-]*)?", RegexOptions.IgnoreCase);
}
#endregion
#region 验证日期
/// <summary>
/// 验证日期
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsDateTime(string source)
{
try
{
DateTime time = Convert.ToDateTime(source);
return true;
}
catch
{
return false;
}
}
#endregion
#region 验证手机号
/// <summary>
/// 验证手机号
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsMobile(string source)
{
return Regex.IsMatch(source, @"^1[35]\d{9}$", RegexOptions.IgnoreCase);
}
public static bool HasMobile(string source)
{
return Regex.IsMatch(source, @"1[35]\d{9}", RegexOptions.IgnoreCase);
}
#endregion
#region 验证IP
/// <summary>
/// 验证IP
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsIP(string source)
{
return Regex.IsMatch(source, @"^(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])$", RegexOptions.IgnoreCase);
}
public static bool HasIP(string source)
{
return Regex.IsMatch(source, @"(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9])\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[1-9]|0)\.(25[0-5]|2[0-4][0-9]|[0-1]{1}[0-9]{2}|[1-9]{1}[0-9]{1}|[0-9])", RegexOptions.IgnoreCase);
}
public static bool IsIp(string ip)
{
bool result = false;
try
{
string[] iparg = ip.Split('.');
if (string.Empty != ip && ip.Length < 16 && iparg.Length == 4)
{
int intip;
for (int i = 0; i < 4; i++)
{
intip = Convert.ToInt16(iparg[i]);
if (intip > 255)
{
result = false;
return result;
}
}
result = true;
}
}
catch
{
return result;
}
return result;
}
#endregion
#region 验证身份证是否有效
/// <summary>
/// 验证身份证是否有效
/// </summary>
/// <param name="Id"></param>
/// <returns></returns>
public static bool IsIDCard(string Id)
{
if (Id.Length == 18)
{
bool check = IsIDCard18(Id);
return check;
}
else if (Id.Length == 15)
{
bool check = IsIDCard15(Id);
return check;
}
else
{
return false;
}
}
public static bool IsIDCard18(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
}
public static bool IsIDCard15(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 是不是Int型的
/// <summary>
/// 是不是Int型的
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsInt(string source)
{
Regex regex = new Regex(@"^(-){0,1}\d+$");
if (regex.Match(source).Success)
{
if ((long.Parse(source) > 0x7fffffffL) || (long.Parse(source) < -2147483648L))
{
return false;
}
return true;
}
return false;
}
#endregion
#region 看字符串的长度是不是在限定数之间 一个中文为两个字符
/// <summary>
/// 看字符串的长度是不是在限定数之间 一个中文为两个字符
/// </summary>
/// <param name="source">字符串</param>
/// <param name="begin">大于等于</param>
/// <param name="end">小于等于</param>
/// <returns></returns>
public static bool IsLengthStr(string source, int begin, int end)
{
int length = Regex.Replace(source, @"[^\x00-\xff]", "OK").Length;
if ((length <= begin) && (length >= end))
{
return false;
}
return true;
}
#endregion
#region 是不是中国电话，格式010-85849685
/// <summary>
/// 是不是中国电话，格式010-85849685
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsTel(string source)
{
return Regex.IsMatch(source, @"^\d{3,4}-?\d{6,8}$", RegexOptions.IgnoreCase);
}
#endregion
#region 邮政编码 6个数字
/// <summary>
/// 邮政编码 6个数字
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsPostCode(string source)
{
return Regex.IsMatch(source, @"^\d{6}$", RegexOptions.IgnoreCase);
}
#endregion
#region 中文
/// <summary>
/// 中文
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsChinese(string source)
{
return Regex.IsMatch(source, @"^[\u4e00-\u9fa5]+$", RegexOptions.IgnoreCase);
}
public static bool hasChinese(string source)
{
return Regex.IsMatch(source, @"[\u4e00-\u9fa5]+", RegexOptions.IgnoreCase);
}
#endregion
#region 验证是不是正常字符 字母，数字，下划线的组合
/// <summary>
/// 验证是不是正常字符 字母，数字，下划线的组合
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static bool IsNormalChar(string source)
{
return Regex.IsMatch(source, @"[\w\d_]+", RegexOptions.IgnoreCase);
}
#endregion
#region 验证用户名：必须以字母开头，可以包含字母、数字、“_”、“.”，至少5个字符
/// <summary>
/// 验证用户名：必须以字母开头，可以包含字母、数字、“_”、“.”，至少5个字符
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool checkUserId(string str)
{
Regex regex = new Regex("[a-zA-Z]{1}([a-zA-Z0-9]|[._]){4,19}");
if (regex.Match(str).Success)
if (regex.Matches(str)[0].Value.Length == str.Length)
return true;
return false;
}
#endregion
#region 验证是否为小数
bool IsValidDecimal(string strIn)
{
return Regex.IsMatch(strIn, @"[0].d{1,2}|[1]");
}
#endregion
#region 验证年月日
bool IsValidDate(string strIn)
{
return Regex.IsMatch(strIn, @"^2d{3}-(?:0?[1-9]|1[0-2])-(?:0?[1-9]|[1-2]d|3[0-1])(?:0?[1-9]|1d|2[0-3]):(?:0?[1-9]|[1-5]d):(?:0?[1-9]|[1-5]d)$");
}
#endregion
#region 验证日期格式
//检察是否正确的日期格式
public static bool IsDate(string str)
{
//考虑到了4年一度的366天，还有特殊的2月的日期
Regex reg = new Regex(@"^((((1[6-9]|[2-9]\d)\d{2})-(0?[13578]|1[02])-(0?[1-9]|[12]\d|3[01]))|(((1[6-9]|[2-9]\d)\d{2})-(0?[13456789]|1[012])-(0?[1-9]|[12]\d|30))|(((1[6-9]|[2-9]\d)\d{2})-0?2-(0?[1-9]|1\d|2[0-8]))|(((1[6-9]|[2-9]\d)(0[48]|[2468][048]|[13579][26])|((16|[2468][048]|[3579][26])00))-0?2-29-)) (20|21|22|23|[0-1]?\d):[0-5]?\d:[0-5]?\d$");
return reg.IsMatch(str);
}
#endregion
#region 验证后缀名
bool IsValidPostfix(string strIn)
{
return Regex.IsMatch(strIn, @".(?i:gif|jpg)$");
}
#endregion
#region 验证字符是否在4至12之间
bool IsValidByte(string strIn)
{
return Regex.IsMatch(strIn, @"^[a-z]{4,12}$");
}
#endregion
#region dd-mm-yy 的日期形式代替 mm/dd/yy 的日期形式
string MDYToDMY(String input)
{
return Regex.Replace(input, "http://www.cnblogs.com/tiantangwater/admin/file://b(/?\\d{1,2})/(?\\d{1,2})/(?\\d{2,4})\\b", "${day}-${month}-${year}");
}
#endregion
#region MD5加密
/// <summary>
/// MD5加密，返回加密过的字符串
/// </summary>
/// <param name="InEncrypt">要加密的字符串</param>
/// <returns></returns>
public static string Md5(string InEncrypt)
{
return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(InEncrypt, "MD5");
}
#endregion
#region 判断输入是否为空 并弹出错误信息
/// <summary>
/// 判断输入是否为空 并弹出错误信息
/// </summary>
/// <param name="str">验证内容</param>
/// <param name="erroStr">错误提示内容</param>
/// <returns>bool</returns>
public static bool IsEmpty(string str, string erroStr)
{
bool result = false;
if (string.Empty == str)
{
Validator.erro(erroStr);
result = true;
}
return result;
}
#endregion
#region 判断字符串是否为数字
/// <summary>
/// 判断字符串是否为数字
/// </summary>
/// <param name="str">待验证的字符窜</param>
/// <returns>bool</returns>
public static bool IsNumber(string str)
{
bool result = true;
foreach (char ar in str)
{
if (!char.IsNumber(ar))
{
result = false;
break;
}
}
return result;
}
#endregion
#region 是否为数字型
/// <summary>
/// 是否为数字型
/// </summary>
/// <param name="strNumber"></param>
/// <returns></returns>
public static bool IsDecimal(string strNumber)
{
return new System.Text.RegularExpressions.Regex(@"^([0-9])[0-9]*(\.\w*)?$").IsMatch(strNumber);
}
#endregion
#region 字符串转换\数字转换 转换为安全格式
/// <summary>
/// 返回安全整数类型
/// </summary>
/// <param name="str">要转换的字符串</param>
/// <returns>int16 整形数字</returns>
public static string safeInt(string str)
{
string constr = "0";
try
{
constr = (Convert.ToInt16(str)).ToString();
return constr;
}
catch
{
return constr;
}
}
///////////////////////////////////////////////
//
// 功能：安全处理用户提供的字符串内容
//
// 作者：依依秋寒
// 时间：2008-10-27
//
///////////////////////////////////////////////
/// <summary>
/// 转化为安全字符串 去除其中的英文单引号
/// </summary>
/// <param name="str">字符串内容</param>
/// <returns>string 处理后的</returns>
public static string safeStr(string str)
{
try
{
str = str.Replace("'", "'");
str = str.Replace("\"", """);
str = str.Replace("<", "<");
str = str.Replace(">", ">");
return str;
}
catch
{
return "";
}
}
/// <summary>
/// 把字符串转化为安全的text内容
/// </summary>
/// <param name="str">传入的字符串内容</param>
/// <returns>转化后结果 string</returns>
public static string safeText(string str)
{
try
{
str = str.Replace("'", "'");
str = str.Replace("\"", """);
str = str.Replace("<", "<");
str = str.Replace(">", ">");
str = str.Replace("\n", "<br />");
return str;
}
catch
{
return "";
}
}
///////////////////////////////////////////////
//
// 功能：把经过安全处理的字符串返原成用户提交的内容
//
// 作者：依依秋寒
// 时间：2008-10-27
//
///////////////////////////////////////////////
/// <summary>
/// 把'还原成单引号
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string safeStrToSource(string str)
{
try
{
str = str.Replace("<", "<");
str = str.Replace(">", ">");
str = str.Replace(""", "\"");
str = str.Replace("'", "'");
str = str.Replace(" ", " ");
return str;
}
catch
{
return "";
}
}
/// <summary>
/// 把经过安全的text内容转化为源字符串
/// </summary>
/// <param name="str">传入的字符串内容</param>
/// <returns></returns>
public static string safeTextToSource(string str)
{
try
{
str = str.Replace("<br />", "\n");
str = str.Replace("<", "<");
str = str.Replace(">", ">");
str = str.Replace(""", "\"");
str = str.Replace("'", "'");
str = str.Replace(" ", " ");
return str;
}
catch
{
return "";
}
}
/// <summary>
/// 是否安全
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsSafeSql(string str)
{
string sql = str.ToLower();
if (sql.Contains("delete"))
{
return false;
}
else if (sql.Contains("select"))
{
return false;
}
else if (sql.Contains("update"))
{
return false;
}
else if (sql.Contains("drop"))
{
return false;
}
else if (sql.Contains("execute"))
{
return false;
}
else if (sql.Contains("exec"))
{
return false;
}
else if (sql.Contains("'"))
{
return false;
}
return true;
}
/// <summary>
/// 替换不安全sql
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string SafeSql(string str)
{
System.Text.StringBuilder sb = new StringBuilder(str.ToLower());
sb.Replace("delete", "");
sb.Replace("select", "");
sb.Replace("update", "");
sb.Replace("drop", "");
sb.Replace("execute", "");
sb.Replace("exec", "");
sb.Replace("'", "");
return sb.ToString();
}
#endregion
#region 全角\半角转换
/// <summary>
/// 全角转半角的函数(DBC case)
/// </summary>
/// <param name="input">任意字符串</param>
/// <returns>半角字符串</returns>
///<remarks>
///全角空格为12288，半角空格为32
///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248
///</remarks>
public static string ToDBC(string input)
{
char[] c = input.ToCharArray();
for (int i = 0; i < c.Length; i++)
{
if (c[i] == 12288)
{
c[i] = (char)32;
continue;
}
if (c[i] > 65280 && c[i] < 65375)
c[i] = (char)(c[i] - 65248);
}
return new string(c);
}
/// <summary>
/// 半角转全角的函数(SBC case)
/// </summary>
/// <param name="input">任意字符串</param>
/// <returns>全角字符串</returns>
///<remarks>
///全角空格为12288，半角空格为32
///其他字符半角(33-126)与全角(65281-65374)的对应关系是：均相差65248
///</remarks>
public static string ToSBC(string input)
{
//半角转全角：
char[] c = input.ToCharArray();
for (int i = 0; i < c.Length; i++)
{
if (c[i] == 32)
{
c[i] = (char)12288;
continue;
}
if (c[i] < 127)
c[i] = (char)(c[i] + 65248);
}
return new string(c);
}
#endregion
#region 弹出信息\跳转
/// <summary>
/// 弹出警告信息并跳转到指定页面地址
/// </summary>
/// <param name="str">警告信息内容</param>
/// <param name="url">指定要跳转的页面抵制</param>
public static void alert(string str, string url)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>alert('" + str + "');location.href='" + url + "'</script>");
}
/// <summary>
/// 弹出警告信息并返回申请页
/// </summary>
/// <param name="str">警告信息内容</param>
public static void alert(string str)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>alert('" + str + "');location.href='" + System.Web.HttpContext.Current.Request.RawUrl + "'</script>");
}
/// <summary>
/// 弹出信息 无跳转动作
/// </summary>
/// <param name="str">信息内容</param>
public static void erro(string str)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>alert('" + str + "');</script>");
}
/// <summary>
/// 后退一页
/// </summary>
public static void goback()
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>history.go(-1);</script>");
}
/// <summary>
/// 执行js命令
/// </summary>
/// <param name="function">传入要执行的js函数[包含参数的函数]</param>
public static void DoJsFunction(string function)
{
System.Web.HttpContext.Current.Response.Write("<script language='javascript'>" + function + "</script>");
}
#endregion
#region 删除文本中带的HTML标记
/// <summary>
/// 删除文本中带的HTML标记
/// </summary>
/// <param name="InString">输入要删除带HTML的字符串</param>
/// <returns>返回处理过的字符串</returns>
public static string DelHtmlCode(string InString)
{
string strTemp = InString;
int htmlBeginNum = 0;
int htmlEndNum = 0;
while (strTemp.Contains("<"))
{
if (!strTemp.Contains(">")) { break; } //当字符串内不包含">"时退出循环
htmlBeginNum = strTemp.IndexOf("<");
htmlEndNum = strTemp.IndexOf(">");
//删除从"<"到">"之间的所有字符串
strTemp = strTemp.Remove(htmlBeginNum, htmlEndNum - htmlBeginNum + 1);
}
strTemp = strTemp.Replace("\n", "");
strTemp = strTemp.Replace("\r", "");
strTemp = strTemp.Replace("\n\r", "");
strTemp = strTemp.Replace(" ", "");
strTemp = strTemp.Replace(" ", "");
strTemp = strTemp.Trim();
return strTemp;
}
/// <summary>
/// 去除HTML标记
/// </summary>
/// <param name="NoHTML">包括HTML的源码 </param>
/// <returns>已经去除后的文字</returns>
public static string NoHTML(string Htmlstring)
{
string strOutput = Htmlstring;
strOutput = Regex.Replace(strOutput, @"<script[^>]*?>.*?</script>", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"-->", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"<!--.*", "", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(quot|#34);", "\"", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(amp|#38);", "&", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(lt|#60);", "<", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(gt|#62);", ">", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(iexcl|#161);", "\xa1", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(cent|#162);", "\xa2", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(pound|#163);", "\xa3", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&(copy|#169);", "\xa9", RegexOptions.IgnoreCase);
strOutput = Regex.Replace(strOutput, @"&#(\d+);", "", RegexOptions.IgnoreCase);
strOutput.Replace("<", "");
strOutput.Replace(">", "");
strOutput.Replace("\r\n", "");
strOutput = HttpContext.Current.Server.HtmlEncode(strOutput).Trim();
return HttpContext.Current.Server.HtmlEncode(strOutput).Trim();
}
#endregion
#region 截取字符串
/// <summary>
/// 从字符串左边起给定的位置截取字符串
/// </summary>
/// <param name="str">给定要截取的字符串内容</param>
/// <param name="len">截取的起始位置</param>
/// <returns>截取后的字符串 string</returns>
public static string leftstr(string str, int len)
{
if (str.Length > len && len > 0)
{
return str.Substring(0, len - 1) + "…";
}
else
{
return str;
}
}
#endregion
#region 截取字符串
/// <summary>
/// 截取相应数目的字符
/// </summary>
public static string MyLeftFunction(string mText, int byteCount)
{
if (byteCount < 1) return mText;
if (System.Text.Encoding.Default.GetByteCount(mText) <= byteCount)
{
return mText;
}
else
{
byte[] txtBytes = System.Text.Encoding.Default.GetBytes(mText);
byte[] newBytes = new byte[byteCount - 4];
for (int i = 0; i < byteCount - 4; i++)
newBytes[i] = txtBytes[i];
return System.Text.Encoding.Default.GetString(newBytes) + "...";
}
}
#endregion
#region 编码解码
/// <summary>
/// 解码得到url值
/// </summary>
/// <param name="str">string</param>
/// <returns>string</returns>
public static string Decode(string str)
{
return HttpContext.Current.Server.UrlDecode(str);
}
/// <summary>
/// 编码传入url
/// </summary>
/// <param name="str">string</param>
/// <returns>string</returns>
public static string Encode(string str)
{
return HttpContext.Current.Server.UrlEncode(str);
}
#endregion
#region 返回组合的查询条件
/// <summary>
/// 返回组合的查询条件
/// </summary>
/// <param name="i"> 1 and = ,2 or = ,3 and like ,4 or like, 5 时间段</param>
/// <param name="columnName"></param>
/// <param name="value"></param>
/// <returns></returns>
public static string BackSearchReson(int i, string columnName, string value)
{
string reson = "";
if (columnName != string.Empty && value != string.Empty)
{
switch (i)
{
case 1:
reson += " and " + columnName + "='" + value + "'";
break;
case 2:
reson += " or " + columnName + "='" + value + "'";
break;
case 3:
reson += " and " + columnName + " like'%" + value + "%'";
break;
case 4:
reson += " or " + columnName + " like'%" + value + "%'";
break;
case 5:
reson += " and (" + columnName + ">'" + Convert.ToDateTime(value).ToString() + "' and " + columnName + "<'" + Convert.ToDateTime(value).AddDays(1).ToString() + "')";
break;
}
}
return reson;
}
#endregion
#region 过滤字符串,过滤掉从输入框输入的一些非法字符，防注入！
public static string InputText(string text, int maxLength)
{
text = text.Trim();
if (text.Length == 0)
return string.Empty;
//if (text.Length > maxLength)
//text = text.Substring(0, maxLength);
text = Regex.Replace(text, "(<[b|B][r|R]/*>)+|(<[p|P](.|\\n)*?>)", "\n");//<br/>
text = Regex.Replace(text, "([b%7cb][s%7cs][p%7cp];//s]http://www.cnblogs.com/tiantangwater/admin/file://s*&[n%7cn][b%7cb][s%7cs][p%7cp];//s*)+", " ");//
text = Regex.Replace(text, "<(.|\\n)*?>", string.Empty);//any other tags
text = text.Replace("'", "");
text = text.Replace(" ", "");
text = text.Replace("%", "");
text = text.Replace("!", "");
text = text.Replace("~", "");
text = text.Replace("`", "");
text = text.Replace("#", "");
text = text.Replace("$", "");
text = text.Replace("^", "");
text = text.Replace("&", "");
text = text.Replace("*", "");
text = text.Replace("(", "");
text = text.Replace(")", "");
text = text.Replace("{", "");
text = text.Replace("}", "");
text = text.Replace("[", "");
text = text.Replace("]", "");
text = text.Replace(",", "");
text = text.Replace("/", "");
text = text.Replace("@", "");
text = text.Replace("-", "");
text = text.Replace("=", "");
text = text.Replace("+", "");
text = text.Replace("|", "");
text = text.Replace(".", "");
return text;
}
#endregion
#region 验证是否包含汉语/全部汉语
/// <summary>
/// 验证是否包含汉语
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsHanyu(string str)
{
Regex regex = new Regex("[\u4e00-\u9fa5]");
if (regex.Match(str).Success)
return true;
else
return false;
}
/// <summary>
/// 验证是否全部汉语
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsHanyuAll(string str)
{
Regex regex = new Regex("[\u4e00-\u9fa5]");
//匹配的内容长度和被验证的内容长度相同时，验证通过
if (regex.Match(str).Success)
if (regex.Matches(str).Count == str.Length)
return true;
//其它，未通过
return false;
}
#endregion
}
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