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  • C#随机获得字符串组成帐号和密码并插入到数据库,将插入成功的数据计入文本

    1 using System;
    2 using System.Data;
    3 using System.Configuration;
    4 using System.Collections;
    5 using System.Web;
    6 using System.Web.Security;
    7 using System.Web.UI;
    8 using System.Web.UI.WebControls;
    9 using System.Web.UI.WebControls.WebParts;
    10 using System.Web.UI.HtmlControls;
    11 using System.Text;
    12 using System.IO;
    13 using System.Data.SqlClient;
    14
    15 publicpartialclassget : System.Web.UI.Page
    16 {
    17 string ConnectionString ="Server=;uid=;pwd=;database=";
    18 protectedvoid Page_Load(object sender, EventArgs e)
    19 {
    20 char[] charOfAccount ={ 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
    21 Random account =new Random();
    22 StringBuilder sb =new StringBuilder();
    23 StringBuilder mm =new StringBuilder();
    24 StringBuilder mmmd5 =new StringBuilder();
    25 StreamWriter sw =new StreamWriter(@"F:\134.txt", true);
    26 sw.WriteLine("帐号 密码 加密之后的密码");
    27 for (int i =1; i <=1000; i++)
    28 {
    29 sb.Remove(0, sb.Length);
    30 mm.Remove(0, mm.Length);
    31 sb.Append(charOfAccount[account.Next(0, 26)].ToString());//首位,所以只能是字符
    32 mm.Append(charOfAccount[account.Next(26, 36)].ToString());
    33 for (int j =1; j <10; j++)
    34 {
    35 sb.Append(charOfAccount[account.Next(0, 36)].ToString());
    36 mm.Append(charOfAccount[account.Next(26, 36)].ToString());
    37 }
    38 try
    39 {
    40 string pwd = md5(mm.ToString());
    41 string sql ="insert into hy(zh,mm)values('"+ sb.ToString() +"','"+ pwd +"')";
    42 SqlConnection SqlCon =new SqlConnection(this.ConnectionString);
    43 SqlCommand MyCommand =new SqlCommand(sql, SqlCon);
    44 SqlCon.Open();
    45 if (MyCommand.ExecuteNonQuery() >0)
    46 {
    47 Response.Write(sb.ToString() +"<br/>");
    48 sw.WriteLine(sb.ToString() +""+ mm.ToString() +""+ md5(mm.ToString()));
    49 }
    50 else
    51 {
    52 Response.Write("error!<br/>");
    53 sw.WriteLine(sb.ToString()+"插入失败!!!!!!!!!!!!!!!!!!!!!!");
    54 }
    55 SqlCon.Close();
    56 }
    57 catch (Exception ex)
    58 {
    59 Response.Write(ex.Message+"<br/>");
    60 sw.WriteLine(sb.ToString()+ex.Message);
    61 }
    62 }
    63
    64 sw.Close();
    65 }
    66 publicstring md5(string str)
    67 {
    68 return System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(str,"MD5").ToLower().Substring(8,16) ;
    69 }
    70 }
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  • 原文地址:https://www.cnblogs.com/dumanqingren/p/2025286.html
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