certification.cs

数据库开发与实例（1+1混合数据库开发实例丛书）人事管理系统的源代码

using System;
using System.Data;
using System.Text;
using System.Windows.Forms;
using System.Collections.Generic;
using System.Text.RegularExpressions;


namespace HRMan
{
    class Certification
    {
        public Certification()
        {

        }
        public static bool IsValidNumber(string str)
        {
            return Regex.IsMatch(str, "^[0-9]*[1-9][0-9]*$");
        }

        //判断是否为电话号码
        public static bool IsValidPhono(string str)
        {
            return Regex.IsMatch(str, @"(\d+-)?(\d{4}-?\d{7}|\d{3}-?\d{8}|^\d{7,8})(-\d+)?");
        }

        //判断是否为有效身份证
        public static bool IsValidNo(string str)
        {
            return Regex.IsMatch(str, @"\d{15}|\d{17}[\dXx]");
        }

        //判断是否为有效日期
        public static bool IsValidData(string str)
        {
            string ss = @"^((((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-))$";
            return Regex.IsMatch(str, ss);
        }
  
        public static string ReadText(int n)
        {
            StringBuilder sb = new StringBuilder();
            string str = "select * from ColName where colId=" + n;
            DataTable dt = new DataTable();
            DataAccess DA = new DataAccess(); 
            dt = DA.ExeSQLdt(str);
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                sb.Append(dt.Rows[i]["colName"].ToString() + "#");
            }
            return sb.ToString();
        }

    }
}