jsp注册登录页面代码
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
jsp注册页面代码
用户信息的bean:
package chen;
public class UserBean
{
private String userid;
private String password;
public void setUserId(String userid)
{
erid=userid;
}
public void setPassword(String password)
{
this.password=password;
}
public String getUserId()
{
return erid;
}
public String getPassword()
{
return this.password;
}
}
提交数据库的bean:
package chen;
import com.mysql.jdbc.Driver;
import java.sql.*;
public class UserRegister
{
private UserBean userBean;
private Connection con;
//获得数据库连接。
public UserRegister()
{
String
url="jdbc:mysql://localhost/"+"chao"+"?user="+"root"+"&password="+"850629";
try
{
Class.forName("com.mysql.jdbc.Driver").newInsta nce();
con = DriverManager.getConnection(url);
}
catch(Exception e)
{
e.printStackTrace();
}
}
//设置待注册的用户信息。
public void setUserBean(UserBean userBean)
{
erBean=userBean;
}
//进行注册
public void regist() throws Exception
{
String reg="insert into userinfo(userid,password) values(?,?)";
try
{
PreparedStatement
pstmt=con.prepareStatement(reg);
pstmt.setString(1,userBean.getU serId());
pstmt.setString(2,userBean.getP assword());
pstmt.executeUpdate();
}
catch(Exception e)
{
e.printStackTrace();
throw e;
}
}
}
提交注册数据进入数据库:
<%@ page contentType="text/html;charset=gb2312" pageEncoding="gb2312"
import="chen.*" %>
<%
String userid =request.getParameter("userid");
String password = request.getParameter("password");
userBean.setUserId(userid);
userBean.setPassword(password);
System.out.println(userid+password);
%>
<% try{
regist.setUserBean(userBean);
out.println(userid);
regist.regist();
out.println("注册成功");}
catch(Exception e){
out.println(e.getMessage());
}
%>
登陆验证页面:
<%@page import="java.sql.*" contentType="text/html;charset=GB2312" %>
<%@page import="java.util.*"%>
<%
String userid1=new String(request.getParameter("userid"));
String password1=new String(request.getParameter("password"));
Class.forName("com.mysql.jdbc.Driver");
Connection
con=DriverManager.getConnection("jdbc:mysql://localhost:3306/chao","root","8506 29");
Statement stmt=con.createStatement();
String sql="select * from userinfo where userid='"+userid1+"';"; ResultSet rs=stmt.executeQuery(sql);
if(rs.next())
{String password=new String(rs.getString("password"));
if(password.equals(password1))
{session.setAttribute("userid1",userid1);
response.sendRedirect("sucess.jsp");
}
else
{response.sendRedirect("login.jsp");
}
}
else