using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Windows.Forms;
public partial class _Default : System.Web.UI.Page
{
public static int counter = 0;
protected void Page_Load(object sender, EventArgs e)
{
}
public static string MakePassword(string pwdchars, int pwdlen)
{
//判斷隨機密碼的長度
string tmpstr = "";
int iRandNum;
if (pwdlen > pwdchars.Length)
{
return "长度过长！" + pwdchars.Length;
}
Random rnd = new Random();
for (int i = 0; i < pwdlen; i++)
{
iRandNum = rnd.Next(pwdchars.Length);
tmpstr += pwdchars[iRandNum];
}
return tmpstr;
}
protected void Button1_Click(object sender, EventArgs e)
{
int t1 = Convert.ToInt32(TextBox1.Text);
if (t1 < 10 || t1 > 20 || t1 < 0)
{
MessageBox.Show("指定密碼失敗！");
}//判斷指定的密碼長度是否符合
else
{
string randomchars = "abcdefghijklmnopqrstuvwxyz~!@#$%^&*()_+|0123456789~!@#$%^&*()_+|ABCDEFGHIJKLMNOPQRSTUVWXYZ~!@#$%^&*()_+|";
string password = MakePassword(randomchars, Convert.ToInt32(TextBox1.Text));
TextBox2.Text = password;
}//產生隨機的密碼值
}//判斷輸入的密碼是否符合隨機產生的密碼
protected void Button2_Click(object sender, EventArgs e)
{
if (TextBox3.Text.Trim()==TextBox2.Text.Trim())
{
MessageBox.Show("成功！");
Response.Write("您現在的密碼是："+"<font color=red>"+TextBox3.Text+"</font>");
}
else
{
MessageBox.Show("失败！");
}
}
protected void TextBox1_TextChanged(object sender, EventArgs e)
{
}
}
HTML代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head >
</td>
</tr>
</table>
<br />
<br />
<br />
</div>
</form>
</body>
</html>
本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/zhangsiyan/archive/2010/08/02/5783138.aspx