先看下效果：

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以下是窗體代碼：

public partial class Form1 : Form{public Form1(){InitializeComponent();}string strg;//數據庫路徑OleDbConnection conn;//數據連接對象OleDbCommand cmd;//OleDbCommand對象OleDbDataReader sdr;//OleDbDataReader對象private bool CheckCard(string cardId)//創建一個CheckCard方法用于檢查身份證號碼是否合法{if (cardId.Length == 18) //如果身份證號為18位{return CheckCard18(cardId);//調用CheckCard18方法驗證}else if (cardId.Length == 15) //如果身份證號為15位{return CheckCard15(cardId);//調用CheckCard15方法驗證}else{return false;}}private bool CheckCard18(string CardId)//CheckCard18方法用于檢查18位身份證號碼的合法性{long n = 0;bool flag = false;if (long.TryParse(CardId.Remove(17), out n) == false || n < Math.Pow(10, 16) || long.TryParse(CardId.Replace('x', '0').Replace('X', '0'), out n) == false)return false;//數字驗證string[] Myaddress =new string[]{ "11","22","35","44","53","12","23","36","45","54","13","31","37","46","61","14","32","41","50","62","15","33","42","51","63","21","34","43","52","64","65","71","81","82","91"};for (int kk = 0; kk < Myaddress.Length;kk++ ){if (Myaddress[kk].ToString() == CardId.Remove(2)){flag = true;}}if (flag){return flag;}string Mybirth = CardId.Substring(6, 8).Insert(6, "-").Insert(4, "-");DateTime Mytime = new DateTime();if (DateTime.TryParse(Mybirth, out Mytime) == false)return false;//生日驗證string[] MyVarifyCode = ("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 = CardId.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 (MyVarifyCode[y] != CardId.Substring(17, 1).ToLower()){return false;//校驗碼驗證}return true;//符合GB11643-1999標準}private bool CheckCard15(string CardId){long n = 0;bool flag = false;if (long.TryParse(CardId, out n) == false || n < Math.Pow(10, 14))return false;//數字驗證string[] Myaddress = new string[]{ "11","22","35","44","53","12","23","36","45","54","13","31","37","46","61","14","32","41","50","62","15","33","42","51","63","21","34","43","52","64","65","71","81","82","91"};for (int kk = 0; kk < Myaddress.Length; kk++){if (Myaddress[kk].ToString() == CardId.Remove(2)){flag = true;}}if (flag){return flag;}string Mybirth = CardId.Substring(6, 6).Insert(4, "-").Insert(2, "-");DateTime Mytime = new DateTime();if (DateTime.TryParse(Mybirth, out Mytime) == false){return false;//生日驗證}return true;//符合15位身份證標準}private void button1_Click(object sender, EventArgs e){if (txtCardID.Text == "")//如果沒有輸入身份證號碼{return; //不執行操作}else{if (CheckCard(txtCardID.Text.Trim()))//如果通過CheckCard方法驗證成功{this.Height = 237; //設置窗體高度string card=txtCardID.Text.Trim();//獲取輸入的身份證號碼if (card.Length == 15) //如果輸入的是15位的身份證號碼，需要將其轉換成18位{int[] w = new int[] { 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2, 1 };char[] a = new char[] { '1', '0', 'x', '9', '8', '7', '6', '5', '4', '3', '2' };string newID = "";int s = 0;newID =this.txtCardID.Text.Trim().Insert(6, "19");for (int i = 0; i < 17; i++){int k = Convert.ToInt32(newID[i]) * w[i];s = s + k;}int h = 0;Math.DivRem(s, 11, out h);newID = newID + a[h];card = newID; //最后將轉換成18位的身份證號碼賦值給card}int addnum =Convert.ToInt32(card.Remove(6));//獲取身份證號碼中的地址碼//連接數據庫conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data source=" + strg);conn.Open();//打開數據庫//查找數據庫中是否存在輸入的身份證號碼中的地址碼cmd = new OleDbCommand("select count(*) from address where AddNum="+addnum, conn);int KK = Convert.ToInt32(cmd.ExecuteScalar());if (KK > 0)//如果存在{//檢索數據庫cmd = new OleDbCommand("select * from address where AddNum=" + addnum, conn);//實例化OleDbDataReader對象sdr = cmd.ExecuteReader();sdr.Read();//讀取該對象string address = sdr["AddName"].ToString();//獲取地址碼對應的歸屬地string birthday = card.Substring(6, 8);//從身份證號碼中截取出公民的生日string byear = birthday.Substring(0,4);//獲取出生年份string bmonth = birthday.Substring(4,2);//獲取出生月份if (bmonth.Substring(0, 1) == "0")//如果月份是以0開頭{bmonth = bmonth.Substring(1,1);//去掉0}string bday = birthday.Substring(6,2);//獲取出生“日”if (bday.Substring(0, 1) == "0")//如果“日”以0開頭{bday = bday.Substring(1, 1);//去掉0}string sex = "";//性別if (txtCardID.Text.Trim().Length == 15)//如果輸入的身份證號碼是15位{int PP=Convert.ToInt32(txtCardID.Text.Trim().Substring(14,1))%2;//判斷最后一位是奇數還是偶數if (PP == 0)//如果是偶數{sex = "女";//說明身份證號碼的持有者是女性}else{sex = "男";//如果是奇數則身份證號碼的持有者是男性}}if (txtCardID.Text.Trim().Length == 18)//如果輸入的身份證號碼是18位{int PP = Convert.ToInt32(txtCardID.Text.Trim().Substring(16, 1)) % 2;//判斷倒數第二位是奇數還是偶數if (PP == 0)//如果是偶數{sex = "女";//說明身份證號碼的持有者是女性}else{sex = "男";//如果是奇數則身份證號碼的持有者是男性}}sdr.Close();//關閉OleDbDataReader連接conn.Close();//關閉數據庫連接lblAddress.Text = address;//顯示身份證持有者的歸屬地lblbirthday.Text = byear + "年" + bmonth + "月" + bday + "日";//顯示身份證持有者的生日lblsex.Text = sex;//顯示身份證持有者的性別lblresult.Text = "合法的公民身份證號！";//顯示驗證結果}else{MessageBox.Show("公民身份證號輸入有誤！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);}}else{MessageBox.Show("非法公民身份證號！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);}}}private void button2_Click(object sender, EventArgs e){txtCardID.Text = "";//清空輸入框this.Height = 78; //設置窗體高度位78}private void Form1_Load(object sender, EventArgs e){this.Height = 78;//設置窗體高度//獲取數據庫路徑strg = Application.StartupPath.ToString();strg = strg.Substring(0, strg.LastIndexOf("\\"));strg = strg.Substring(0, strg.LastIndexOf("\\"));strg += @"\db.mdb";}}

?數據庫:db.mdb

轉載于:https://www.cnblogs.com/ziranquliu/archive/2013/06/06/4722625.html

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