直播平台开发，jsp登录注册代码

<br><%@ page language="java" contentType="text/html; charset=UTF-8"<br>    pageEncoding="UTF-8"%><br><!DOCTYPE html><br><html><br><head><br><meta charset="UTF-8"><br><title>注册</title><br><style><br> #a {<br>    width:50%;<br>    height:200px;<br>    border: 1px dashed ;<br>    <br>    text-align:center;<br>}<br>body{<br>background-color:lightblue;<br>}<br></style><br></head><br><body><br><form action="doregister.jsp" method="post"><br>用户名:<input type="text" name="uname"><br><br>密码:<input type="password" name="upwd"><br><br>备注:<textarea rows="" cols="" name="uinfo"><br></textarea><br><br><input type="submit" value="注册"><br><input type="reset" value="重置"><br></form><br></body><br></html>

doregister.jsp:注册信息弹框

<%@page import="java.sql.ResultSet"%><br><%@page import="java.sql.PreparedStatement"%><br><%@page import="java.sql.Connection"%><br><%@page import="java.sql.DriverManager"%><br><%@page import="oracle.jdbc.driver.OracleDriver"%><br><%@ page language="java" contentType="text/html; charset=UTF-8"<br>    pageEncoding="UTF-8"%><br><%<br>//设置编码-设置请求对象的编号<br>request.setCharacterEncoding("utf-8");<br>//接收注册页面传递的数据<br>String uname = request.getParameter("uname");<br>String upwd = request.getParameter("upwd");<br>String uinfo = request.getParameter("uinfo");<br>//连接数据库<br>Class.forName("oracle.jdbc.driver.OracleDriver");<br>String url = "jdbc:oracle:thin:@localhost:1521:orcl";<br>Connection con = DriverManager.getConnection(url, "scott", "tiger");<br>/*<br>查询到用户的最大编号<br>最大编号+1，做为新添加的用户的编号<br>*/<br> <br>//这里的代码是用来 得到最新编号的<br>int nextId=1;//做为新用户的编号<br>PreparedStatement ps = con.prepareStatement("select max(uuid) from T277");<br>//执行sql语句<br>ResultSet rs= ps.executeQuery();<br>if(rs.next()){<br>//查询到最大的编号，加1，就是新数据的编号<br>nextId = rs.getInt(1)+1;<br>}<br>//这里的代码 开始执行添加用户操作<br>ps = con.prepareStatement("insert into T277 values(?,?,?,?)");<br>ps.setInt(1, nextId);<br>ps.setString(2, uname);<br>ps.setString(3, upwd);<br>ps.setString(4, uinfo);<br>//执行sql语句<br>int i = ps.executeUpdate();<br>if(i>0){<br>out.print("<script>alert('注册成功');location.href='login.jsp'</script>");<br>}else{<br>out.print("<script>alert('注册失败');location.href='register.jsp'</script>");<br>}<br>%>