javaweb连接MySql数据库实现注册和登录功能

1.登录页面（login.jsp)

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>登录页面</title>
</head>
<body>
<form action="login_check.jsp">
用户名：<input type="text" name="vname"><br>
密码：<input type="password" name="vpwd"><br>
<input type="submit" value="登录">
</form>
</body>
</html>

2.登录检查页面（连接数据库部分）(login_check.jsp)

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
    <%@ page import="java.sql.*" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>登录检查</title>
</head>
<body>
<%
String name=request.getParameter("vname");
String pwd=request.getParameter("vpwd");

%>
<%!
public static final String DBDRIVER="org.gjt.mm.mysql.Driver";
public static final String DBURL="jdbc:mysql://localhost:3306/user"

javaweb连接MySql数据库实现注册和登录功能

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