摘要：
注册页面 <form action="dologin.jsp" method="post"> 用户名：<input id="username" type="text" name="username"/><br/> 密码：<input id="password" type="password" nam 阅读全文
摘要：
<%-- Created by IntelliJ IDEA. User: Dell Date: 2021/4/10 Time: 14:34 To change this template use File | Settings | File Templates. --%> <%@ page cont 阅读全文
摘要：
<%-- Created by IntelliJ IDEA. User: Dell Date: 2021/3/27 Time: 19:51 To change this template use File | Settings | File Templates. --%> <%@ page cont 阅读全文
摘要：
1.消费总和<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%@ page contentType="text/html"%> <%@ page import="java.util.regex.Pattern 阅读全文