验证18位和15位身份证号码 -----很強大
IDCardValid.cs類
/// <summary>
/// 验证身份证号码
/// </summary>
public class IDCardValid
{
public IDCardValid()
{
}
/// <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;
}
}
#region 身份证号码验证
/// <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
}
Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>中国身份证验证</title>
</head>
<body>
<form id="form1" runat="server">
<fieldset>
<legend>单个身份验证</legend>
<asp:Label ID="Label1" runat="server" Text="请输入身份证号："></asp:Label>
<asp:TextBox ID="txtIDCard" runat="server"></asp:TextBox><asp:RegularExpressionValidator
ID="RegularExpressionValidator1" runat="server" ErrorMessage="*" ControlToValidate="txtIDCard"
ValidationExpression="\d{17}[\d|X]|\d{15}"></asp:RegularExpressionValidator>
<br />
<asp:Label ID="Label2" runat="server" Text="Ready"></asp:Label>
<asp:Button ID="Button1" runat="server" Text="验证" OnClick="Button1_Click" />
</fieldset>
</form>
</body>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>中国身份证验证</title>
</head>
<body>
<form id="form1" runat="server">
<fieldset>
<legend>单个身份验证</legend>
<asp:Label ID="Label1" runat="server" Text="请输入身份证号："></asp:Label>
<asp:TextBox ID="txtIDCard" runat="server"></asp:TextBox><asp:RegularExpressionValidator
ID="RegularExpressionValidator1" runat="server" ErrorMessage="*" ControlToValidate="txtIDCard"
ValidationExpression="\d{17}[\d|X]|\d{15}"></asp:RegularExpressionValidator>
<br />
<asp:Label ID="Label2" runat="server" Text="Ready"></asp:Label>
<asp:Button ID="Button1" runat="server" Text="验证" OnClick="Button1_Click" />
</fieldset>
</form>
</body>
</html>
Default.aspx.cs
using System;
using System.Web;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Drawing;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
if (IDCardValid.CheckIDCard(txtIDCard.Text.Trim()))
{
Label2.ForeColor = Color.Green;
Label2.Text = "符合规范！更新时间：" + DateTime.Now.ToLongTimeString();
}
else
{
Label2.ForeColor = Color.Red;
Label2.Text = "不符合规范！更新时间：" + DateTime.Now.ToLongTimeString();
}
}
}
using System.Web;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Drawing;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
if (IDCardValid.CheckIDCard(txtIDCard.Text.Trim()))
{
Label2.ForeColor = Color.Green;
Label2.Text = "符合规范！更新时间：" + DateTime.Now.ToLongTimeString();
}
else
{
Label2.ForeColor = Color.Red;
Label2.Text = "不符合规范！更新时间：" + DateTime.Now.ToLongTimeString();
}
}
}
