日期:2014-05-16 浏览次数:20359 次
package chen; public class UserBean { private String userid; private String password; public void setUserId(String userid) { this.userid=userid; } public void setPassword(String password) { this.password=password; } public String getUserId() { return this.userid; } public String getPassword() { return this.password; } }
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").newInstance(); con = DriverManager.getConnection(url); } catch(Exception e) { e.printStackTrace(); } } //设置待注册的用户信息。 public void setUserBean(UserBean userBean) { this.userBean=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.getUserId()); pstmt.setString(2,userBean.getPassword()); pstmt.executeUpdate(); } catch(Exception e) { e.printStackTrace(); throw e; } } }
<%@ page contentType="text/html;charset=gb2312" pageEncoding="gb2312" import="chen.*" %> <jsp:useBean id="userBean" class="chen.UserBean" scope="request"> <jsp:setProperty name="userBean" property="*"/> </jsp:useBean> <jsp:useBean id="regist" class="chen.UserRegister" scope="request"/> <html> <head> <title> 用户信息注册页面</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> </head> <body> <% 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()); } %> <br> <a href="login.jsp">返回</a> </body> </html>
<%@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","850629"); 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 {response.sendRedirect("login.jsp"); } %>
<%@ page contentType="text/html; charset=gb2312" %> <html> <body> <form method="get" action="checklogin.jsp"> <table> <tr><td> 输入用户名:</td> <td><input type=text name=userid ></td> </tr> <tr><td>输入密码:</td> <td><input type=password name=password></td> </tr> <tr><td><input type=submit value=确认> </td></tr> </table> </form> <form action="register.j