jsp第九次作业
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>注册</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<form action="do.jsp" method="post">
用户名:<input type="text" name="uname"/><br>
密 码:<input type="password" name="upwd"/><br>
<input type="submit" value="注册">
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>登录</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<script type="text/javascript">
function mycheck() {
//判断验证码是否为空
if (form1.validationCode.value==""){
alert("验证码不能为空，请输入验证码!");
form1.validationCode.focus();
return;
}
//判断验证码是否正确
if (form1.validationCode.value != form1.validationCode1.value) {
alert("请输入正确的验证码!!");
form1.validationCode.focus();
return;
}
form1.submit1();
}
</script>
<body>
<form action="logincheck.jsp" name="form1" method="post">
用户名:<input type="text" name="userName" size="18"><br>
密 码:<input type="password" name="password" size="19"><br>
验证码:<input type="text" name="validationCode" onKeyDown="if(event.keyCode==13){form1.submit.focus();}"size="4">
<%
int intmethod1=(int)((((Math.random())*5))+1);
int intmethod2=(int)((((Math.random())*5))+1);
int intmethod3=(int)((((Math.random())*5))+1);
int intmethod4=(int)((((Math.random())*5))+1);
String intsum=intmethod1+""+intmethod2+intmethod3+intmethod4;
%>
<input type="hidden" name="validationCode1" value="<%=intsum%>">
<img style="height:20px;weight:20px" src="images/<%=intmethod1 %>.png">
<img style="height:20px;weight:20px" src="images/<%=intmethod2 %>.png">
<img style="height:20px;weight:20px" src="images/<%=intmethod3 %>.png">
<img style="height:20px;weight:20px" src="images/<%=intmethod4 %>.png">
<br>
<input type="submit" value="登录">
<a href="register.jsp">注册</a>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@page import="com.gd.entity.Users"%>
<%@page import="com.gd.entity.Msg"%>
<%@page import="com.gd.dao.MsgDao"%>
<%@page import="com.gd.dao.UsersDao"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>登录</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<%
request.setCharacterEncoding("UTF-8");
Users a=new Users();
String uname = request.getParameter("uname");
String upwd = request.getParameter("upwd");
String email = request.getParameter("uemail");
a.setUsername(uname);
a.setPassword(upwd);
a.setEmail(email);
UsersDao as=new UsersDao();
as.addUsers(a);
request.getRequestDispatcher("index.jsp").forward(request, response);
%>
</body>
</html>
<%@page import="com.gd.entity.Users"%>
<%@page import="com.gd.dao.UsersDao"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
request.setCharacterEncoding(UTF-8");
String uname = request.getParameter("uname");
String upwd = request.getParameter("upwd");
UsersDao ud = new UsersDao();
if(request.getParameter("validationCode1").equals(request.getParameter("validationCode")))
{
if (ud.login(uname, upwd)){
//登录成功,创建User对象,并放入session
Users u=new Users();
u.setUsername(uname);
u.setPassword(upwd);
session.setAttribute("user", u);
request.getRequestDispatcher("main.jsp").forward(request, response);
}
else{
response.sendRedirect("index.jsp");
}
}
else{
response.sendRedirect("index.jsp");
}
%>
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