<%@ page contentType="text/html;charset=UTF-8" language="java" %> <%@ page language="java" import="java.util.*"%> <%@ page import ="java.sql.*"%> <html> <head> <title>内容收集界面</title> </head> <body> <%--<%--%> <% PreparedStatement pre = null; Statement sql; ResultSet rs; request.setCharacterEncoding("utf-8"); String Name = request.getParameter("uname"); //获取输入的用户名 String Ps = request.getParameter("upwd"); // 密码 Name.trim(); Ps.trim(); request.setCharacterEncoding("utf-8"); Class.forName("com.mysql.jdbc.Driver"); // 建立连接 Connection conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/mysql?serverTimezone=GMT", "root", "123456"); sql =conn.createStatement(); String SQL = "select * from users where uname=? and password=?"; pre=conn.prepareStatement(SQL); pre.setString(1,Name); pre.setString(2,Ps); rs=pre.executeQuery(); if (rs.next()) { String name = rs.getString(1); session.setAttribute("name",name); %><p>欢迎登陆：<%=name%></p><% }else{%> <p>输入错误，请重新登录</p><a href="register.jsp"><button>返回登录界面</button></a> <% } rs.close(); sql.close(); conn.close(); %> </body> </html>
<%@ 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="login.jsp" method="post"> 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>