C# 身份证号取年龄
#region 身份证验证
static int[] weight = new int[] { 7, 9,10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
static char[] vCode = new char[] { '1','0', 'X', '9', '8', '7', '6', '5', '4', '3', '2' };
string address ="11x22x35x44x53x12x23x36x45x54x13x31x37x46x61x14x32x41x50x62x15x33x42x51x63x21x34x43x52x64x65x71x81x82x91";
int age = 0;
bool valid;
public bool Reg_IdentityCard(stringnum)
{
if (num.Length == 18)
{
if(!CheckValidCode(num.Substring(0, 17), num[17]))
valid = false;
else if(!CheckACode(num.Substring(0, 2)))
valid = false;
else if (!GetAge(num.Substring(6,4)))
valid = false;
else
valid = true;
if (valid)
{
int g =Convert.ToInt32(num.Substring(14, 3));
if (g % 2 == 0)
this.txtSex.Text = "女";
else
this.txtSex.Text = "男";
this.txtAge.Text =age.ToString();
return true;
}
else
{
MessageBox.Show("身份证号不正确","系统提示", MessageBoxButtons.OK,MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
return false;
}
}
else if (num.Length == 15)
{
if (!CheckACode(num.Substring(0,2)))
valid = false;
else if (!GetAge("19" +num.Substring(6, 2)))
valid = false;
else
valid = true;
if (valid)
{
int g =Convert.ToInt32(num.Substring(12, 3));
if (g % 2 == 0)
this.txtSex.Text = "女";
else
this.txtSex.Text = "男";
this.txtAge.Text =age.ToString();
return true;
}
else
{
MessageBox.Show("身份证号不正确","系统提示", MessageBoxButtons.OK,MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
return false;
}
}
else
{
MessageBox.Show("身份证号不正确","系统提示", MessageBoxButtons.OK,MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1);
return false;
}
}
boolCheckValidCode(string input17, char last)//检查最后一位校验码
{
if (last ==CheckValidCode(input17))
return true;
return false;
}
charCheckValidCode(string input17)//检查最后一位校验码
{
int sum = 0, cur;
for (int i = 0; i < 17; i++)
{
cur = Convert.ToInt32(input17[i])- 48;
sum += cur * weight[i];
}
return vCode[(sum % 11)];
}
bool GetAge(stringinput4)//算出年龄
{
try
{
age =Convert.ToInt32(DateTime.Now.Year) - Convert.ToInt32(input4);
return true;
}
catch { return false; }
}
bool CheckACode(stringinput2)//检查地区码
{
if (address.IndexOf(input2) !=-1)
return true;
return false;
}
#endregion