在阅读时如有问题或者建议，欢迎指出和提问，我也是初学者.........
前台代码：
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<div align="center">
<h1>用户登录页面</h1>
<form id="form1" runat="server">
<p> <asp:Label ID="lbusername" runat="server">学号：</asp:Label>
<asp:TextBox ID="txtNum" runat="server"></asp:TextBox>
</p>
<p> <asp:Label ID="lblName" runat="server">姓名：</asp:Label>
<asp:TextBox ID="txtName" runat="server"></asp:TextBox>
</p>
<p> <asp:Label ID="lbpsw" runat="server">密 码：</asp:Label>
<asp:TextBox ID="txtpwd" runat="server" TextMode="Password"></asp:TextBox>
</p>
<p>
<asp:Label ID="lblText" runat="server" Text=""></asp:Label></p>
<p> <asp:Button ID="btnRegister" runat="server" Text="注册" onclick="btnRegister_Click" />
</p>
</form>
</div>
</body>
</html>
后台代码：
using System;
using System.Data.SqlClient;
using System.Data;
using System.Configuration;
using System.Drawing;
using System.Text;
using System.Security.Cryptography;
namespace ado.netDemo1
{
public partial class register : System.Web.UI.Page
{
SqlConnection connStr = new SqlConnection(ConfigurationManager.ConnectionStrings["connStr"].ToString());
string sql;
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btnRegister_Click(object sender, EventArgs e)
{
if (txtNum.Text.Trim() == "" || txtName.Text.Trim() == "" || txtpwd.Text.Trim() == "")
{
lblText.ForeColor = Color.Red;
lblText.Text = "请将个人信息填写完整！";
}
else if (txtNum.Text.Trim() == "" && txtName.Text.Trim() == "" && txtpwd.Text.Trim() == "")
{
lblText.ForeColor = Color.Red;
lblText.Text = "请将个人信息填写完整！";
}
else
{
//加密处理注册Password
string hashedpwd=Encrypt(txtpwd.Text.Trim());
sql = "insert into tb_Students(SID,Name,Password)Values(‘" + txtNum.Text.Trim() + "‘,‘" + txtName.Text.Trim() + "‘,‘" + hashedpwd + "‘)";
connStr.Open();
SqlCommand cmd = new SqlCommand(sql, connStr);
int i = cmd.ExecuteNonQuery();
if (i == 1)
{
lblText.ForeColor = Color.Red;
lblText.Text = "注册成功！";
Response.Write(@"<script>window.alert(‘请到登陆界面登陆！‘);window.location=‘Login.aspx‘</script>");
}
}
}
public static string Encrypt(string cleanString)
{
Byte[] clearBytes = new UnicodeEncoding().GetBytes(cleanString);
Byte[] hashedBytes = ((HashAlgorithm)CryptoConfig.CreateFromName("MD5")).ComputeHash(clearBytes);
return BitConverter.ToString(hashedBytes);
}
}
}
界面截图：
时间： 2024-08-11 13:10:42