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C#实现身份证验证功能的示例代码

目录
  • 实践过程
    • 效果
    • 代码

实践过程

效果

C#实现身份证验证功能的示例代码

代码

public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
    }
    string strg;//数据库路径
    OleDbConnection conn;//数据连接对象
    OleDbCommand cmd;//OleDbCommand对象
    OleDbDataReader sdr;//OleDbDataReader对象

    private bool CheckCard(string cardId)//创建一个CheckCard方法用于检查身份证号码是否合法
    {
        if (cardId.Length == 18)        //如果身份证号为18位
        {
           return  CheckCard18(cardId);//调用CheckCard18方法验证
        }
        else if (cardId.Length == 15)   //如果身份证号为15位
        {
            return CheckCard15(cardId);//调用CheckCard15方法验证
        }
        else
        {
            return false;
        }
    }

    private bool CheckCard18(string CardId)//CheckCard18方法用于检查18位身份证号码的合法性
    {
        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;//数字验证
        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;//生日验证
        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;//校验码验证
        }
        return true;//符合GB11643-1999标准
    }

    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;//数字验证
        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;//生日验证python
        }
        return true;//符合15位身份证标准
    }

    private void button1_Click(object sender, EventArgs e)
    {
        if (txtCardID.Text == "")//如果没有输入身份证号码
        {
            return;              //不执行操作
        }
        else
        {
            if (CheckCard(txtCardID.Text.Trim()))//如果通过CheckCard方法验证成功
            {
                this.Height = 237;               //设置窗体高度
                string card=txtCardID.Text.Trim();//获取输入的身份证号码
                if (card.Length == 15)          //如果输入的是15位的身份证号码,需要将其转换成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', http://www.devze.com'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;               //最后将转换成18位的身份证号码赋值给card
                }
                int addnum =Convert.ToInt32(card.Remove(6));//获取身份证号码中的地址码
                //连接数据库
                conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data source=" + strg);
                conn.Open();//打开数据库
                //查找数据库中是否存在输入的身份证号码中的地址码
                cmd = new OleDbCommand("select count(*) from address where AddNum="+addnum, conn);
                int KK = Convert.ToInt32(cmd.ExecuteScalar());
                if (KK > 0)//如果存在
                {
                    //检索数据库
                    cmd = new OleDbCommand("select * from address where AddNum=" + addnum, conn);
                    //实例化OleDbDataReader对象
                    sdr = cmd.ExecuteReader();
                    sdr.Read();//读取该对象
                    string address = sdr["AddName"].ToString();//获取地址码对应的归属地
                    string birthday = card.Substring(6, 8);//从身份证号码中截取出公民的生日
                    string byear = birthday.Substring(0,4);//获取出生年份
                    string bmonth = birthday.Substring(4,2);//获取出生月份
                    if (bmonth.Substring(0, 1) == "0")//如果月份是以0开头
                    {
                        bmonth = bmonth.Substring(1,1);//去掉0
                    }
                    string bday = birthday.Substring(6,2);//获取出生“日”
                    if (bday.Substring(0, 1) == "0")//如果“日”以0开头
                    {
                        bday = bday.Substring(1, 1);//去掉0
                    }
                    string sex = "";//性别
                    if (txtCardID.Text.Trim().Length == 15)//如果输入的身份证号码是15位
                    {
                        int PP=Convert.ToInt32(txtCardID.Text.Trim().Substring(14,1))%2;//判断最后一位是奇数还是偶数
                        if (PP == 0)//如果是偶数
                        {
                            sex = "女";//说明身份证号码的持有者是女性
                        }
                        else
                        {
                            sex = "男";//如果是奇数则身份证号码的持有者是男性
                        }
                    }
                    if (txtCardID.Text.Trim().Length == 18)//如果输入的身份证号码是18位
                    {
                        int PP = Convert.ToInt32(txtCardID.Text.Trim().Substring(16, 1)) % 2;//判断倒数第二位是奇数还是偶数
                        if (PP == 0)//如果是偶数
                        {
                            sex = "女";//说明身份证号码的持有者是女性
                        }
                        else
                        {
     开发者_自学开发                       sex = "男";//如果是奇数则身份证号码的持有者是男性
                        }
                    }
                    sdr.Close();//关闭OleDbDataReader连接
                    conn.Close();//关闭数据库连接
                    lblAddress.Text = address;//显示身份证持有者的归属地
                    lblbirthday.Text = byear + "年" + bmonth + "月" + bday + "日";//显示身份证持有者的生日
                    lblsex.Text = sex;//显示身份证持有者的性别
                    lblresult.Text = "合法的公民身份证号!";//显示验证结果
                }
                else
                {
                    MessageBox.Show("公民身份证号输入有误!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
                }
            }
            else
            {
                MessageBox.Show("非法公民身份证号!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }
    }

    private void button2_Click(object sender, EventArgs e)
    {
        txtCardID.Text = "";//清空输入框
        this.Height = 78;   //设置窗体高度位78
    }

    private void Form1_Load(object sender, EventArgs e)
    {
        this.Height = 78;//设置窗体高度
        //获取数据库路径
        strg = Application.StartupPath.ToString();
        strg = strg.Substring(0, strg.LastIndexOf("\\"));
        strg = strg.Substring(0, strg.LastIndexOf("\\"));
        strg += @"\db.mdb";
    }
}
partial class Form1
{
    /// <summary>
    /// 必需的设计器变量。
    /// </summary>
    private System.ComponentModel.IContainer components = null;

    /// <summary>
    /// 清理所有正在使用的资源。
    /// </summary>
    /// <param name="disposing">如果应释放托管资源,为 true;否则为 false。</param>
    protected override void Dispose(bool disposing)
    {
        if (disposing && (components != null))
        {
            components.Dispose();
        }
        base.Dispose(disposing);
    }

    #region Windows 窗体设计器生成的代码

    /// <summary>
    /// 设计器支持所需的方法 - 不要
    /// 使用代码编辑器修改此方法的内容。
    /// </summary>
    private void InitializeComponent()
    {
        this.label1 = new System.Windows.Forms.Label();
        this.txtCardID = new System.Windows.Forms.TextBox();编程客栈
        this.button1 = new System.Windows.Forms.Button();
        this.button2 = new System.Windows.Forms.Button();
        this.label2 = new System.Windows.Forms.Label();
        this.label3 = new System.Windows.Forms.Label();
        this.label4 = new System.Windows.Forms.Label();
        this.label5 = new System.Windows.Forms.Label();
        this.lblAddress = new System.Windows.Forms.Label();
        this.lblbirthday = new System.Windows.Forms.Label();
        this.lblsex = new System.Windows.Forms.Label();
        this.lblresult = new System.Windows.Forms.Label();
        this.SuspendLayout();
        // 
        // label1
        // 
        this.label1.AutoSize = true;
        this.label1.Location = new System.Drawing.Point(13, 13);
        this.label1.Name = "label1";
        this.label1.Size = new System.Drawing.Size(65, 12);
        this.label1.TabIndex = 0;
        this.label1.Text = "身份证号:";
        // 
        // txtCardID
        // 
        this.txtCardID.Location = new System.Drawing.Point(76, 10);
        this.txtCardID.Name = "txtCardID";
        this.txtCardID.Size = new System.Drawing.Size(207, 21);
        this.txtCardID.TabIndex = 1;
        // 
        // button1
        // 
        this.button1.Location = new System.Drawing.Point(289, 9);
        this.button1.Name = "button1";
        this.button1.Size = new System.Drawing.Size(75, 23);
        this.button1.TabIndex = 2;
        this.button1.Text = "开始验证";
        this.button1.UseVisualStyleBackColor = true;
        this.button1.Click += new System.EventHandler(this.button1_Click);
        // 
        // button2
        // 
        this.button2.Location = new System.Drawing.Point(367, 8);
        this.button2.Name = "button2";
        this.button2.Size = new System.编程客栈Drawing.Size(75, 23);
        this.button2.TabIndex = 3;
        this.button2.Text = "重新验证";
        this.button2.UseVisualStyleBackColor = true;
        this.button2.Click += new System.EventHandler(this.button2_Click);
        // 
        // label2
        // 
        this.label2.AutoSize = true;
        this.label2.Location = new System.Drawing.Point(13, 53);
        this.label2.Name = "label2";
        this.label2.Size = new System.Drawing.Size(65, 12);
        this.label2.TabIndex = 4;
        this.label2.Text = "所属地区:";
        // 
        // label3
        // 
        this.label3.AutoSize = true;
        this.label3.Location = new System.Drawing.Point(37, 90);
        this.label3.Name = "label3";
        this.label3编程.Size = new System.Drawing.Size(41, 12);
        this.label3.TabIndex = 5;
        this.label3.Text = "生日:";
        // 
        // label4
        // 
        this.label4.AutoSize = true;
        this.label4.Location = new System.Drawing.Point(37, 129);
        this.label4.Name = "label4";
        this.label4.Size = new System.Drawing.Size(41, 12);
        this.label4.TabIndex = 6;
        this.label4.Text = "性别:";
        // 
        // label5
        // 
        this.label5.AutoSize = true;
        this.label5.Location = new System.Drawing.Point(13, 169);
        this.label5.Name = "label5";
        this.label5.Size = new System.Drawing.Size(65, 12);
        this.label5.TabIndex = 7;
        this.label5.Text = "验证结果:";
        // 
        // lblAddress
        // 
        this.lblAddress.AutoSize = true;
        this.lblAddress.Location = new System.Drawing.Point(74, 53);
        this.lblAddress.Name = "lblAddress";
        this.lblAddress.Size = new System.Drawing.Size(0, 12);
        this.lblAddress.TabIndex = 8;
        // 
        // lblbirthday
        // 
        this.lblbirthday.AutoSize = true;
        this.lblbirthday.Location = new System.Drawing.Point(74, 90);
        this.lblbirthday.Name = "lblbirthday";
        this.lblbirthday.Size = new System.Drawing.Size(0, 12);
        this.lblbirthday.TabIndex = 9;
        // 
        // lblsex
        // 
        this.lblsex.AutoSize = true;
        this.lblsex.Location = new System.Drawing.Point(74, 129);
        this.lblsex.Name = "lblsex";
        this.lblsex.Size = new System.Drawing.Size(0, 12);
        this.lblsex.TabIndex = 10;
        // 
        // lblresult
        // 
        this.lblresult.AutoSize = true;
        this.lblresult.Location = new System.Drawing.Point(74, 169);
        this.lblresult.Name = "lblresult";
        this.lblresult.Size = new System.Drawing.Size(0, 12);
        this.lblresult.TabIndex = 11;
        // 
        // Form1
        // 
        this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
        this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
        this.ClientSize = new System.Drawing.Size(449, 192);
        this.Controls.Add(this.lblresult);
        this.Controls.Add(this.lblsex);
        this.Controls.Add(this.lblbirthday);
        this.Controls.Add(this.lblAddress);
        this.Controls.Add(this.label5);
        this.Controls.Add(this.label4);
        this.Controls.Add(this.label3);
        this.Controls.Add(this.label2);
        this.Controls.Add(this.button2);
        this.Controls.Add(this.button1);
        this.Controls.Add(this.txtCardID);
        this.Controls.Add(this.label1);
        this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle;
        this.MaximizeBox = false;
        this.MinimizeBox = false;
        this.Name = "Form1";
        this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
        this.Text = "验证身份证号码";
        this.Load += new System.EventHandler(this.Form1_Load);
        this.ResumeLayout(false);
        this.PerformLayout();

    }

    #endregion

    private System.Windows.Forms.Label label1;
    private System.Windows.Forms.TextBox txtCardID;
    private System.Windows.Forms.Button button1;
    private System.Windows.Forms.Button button2;
    private System.Windows.Forms.Label label2;
    private System.Windows.Forms.Label label3;
    private System.Windows.Forms.Label label4;
    private System.Windows.Forms.Label label5;
    private System.Windows.Forms.Label lblAddress;
    private System.Windows.Forms.Label lblbirthday;
    private System.Windows.Forms.Label lblsex;
    private System.Windows.Forms.Label lblresult;

}

到此这篇关于C#实现身份证验证功能的示例代码的文章就介绍到这了,更多相关C#身份证验证内容请搜索我们以前的文章或继续浏览下面的相关文章希望大家以后多多支持我们!

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