custom.java package com.gd.bean; public class custom { public int getUid() { return uid; } public void setUid(int uid) { this.uid = uid; } public String getUname() { return uname; } public void setUname(String uname) { this.uname = uname; } public int getUpwd() { return upwd; } public void setUpwd(int upwd) { this.upwd = upwd; } private String uname; private int upwd; private int uid; public custom(int uid,int upwd,String uname){ super(); this.uid = uid; this.upwd = upwd; this.uname = uname; } } package com.gd.dao; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.sql.ResultSet; import com.gd.bean.custom; customDao.java public class customDao { java.sql.Connection con=null; java.sql.Statement sql; ResultSet rs; public void addCustom(custom s){ try{ Class.forName("com.mysql.jdbc.Driver"); con=DriverManager.getConnection("jdbc:mysql://localhost:3306/mysql", "root", "root"); String sql="insert into save values(???)"; PreparedStatement pw=con.prepareStatement(sql); pw.setInt(1, s.getUid()); pw.setString(2, s.getUname()); pw.setInt(3, s.getUpwd()); pw.execute(); } catch(Exception e){ e.printStackTrace(); } } } login.jsp <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>register</title> <style type="text/css" ></style> </head> <body> <form action="success1.jsp" method="post"> 编号:<input type="text" name="uid"><br> 用户名:<input type="text" name="uname"><br> 密 码:<input type="password" name="upwd"><br> <input type="submit" value="提交"> </form> </body> </html> success1.jsp <%@ page contentType="text/html" %> <%@ page pageEncoding="utf-8" %> <%@ page import="com.gd.bean.custom" %> <%@ page language="java" import="com.gd.dao.customDao" %> <%@ page language="java" import="java.util.*"%> <html> <body bgcolor=cyan> <p style="font-family:黑体;font-size:36;color:bule"> <% custom s=new custom(); int id=Integer.paseInt(request.getParameter("uid")); s.setUid(id); String uname=request.getParameter("uname"); s.setUname(uname); int upwd=Integer.paseInt(request.getParameter("upwd")); s.setUpwd(upwd); customDao ss=new customDao(); ss.addcustom(s); %> 编号: <%=id %><br/> 用户名 : <%=uname %><br/> 密码 : <%=upwd %> </body> </html>