JavaWeb 之 登录获取界面

JavaWeb

登录界面

Login.jsp

Login.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<form action="CheckLogin.jsp" method=post>
		<table border='1' align="center" >
			<tr>
				<td>用户名：</td>
				<td>
					<input type="text" name="username">
				</td>
			</tr>	
			<tr>
				<td>密码：</td>
				<td> 
					<input type="password" name="pwd">
				</td>
			</tr>
			<tr>
				<td colspan=2>
					<input type="submit" name="tijiao" value="提交">
					<input type="reset" name="chongzhi" value="重置">
				</td>
			</tr>
		</table>
	</form>
</body>
</html>

CheckLogin.jsp

CheckLogin.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<%
		String aa=request.getParameter("username");
		String bb=request.getParameter("pwd");
		if("admin".equals(aa) && "123".equals(bb))
			{
			response.sendRedirect("Welcome.jsp");
			session.setAttribute("user", aa);
			}
		else
			{
			out.println("<script type='text/javascript'> alert('用户名或密码错误!'); location.href='Login.jsp'; </script>");
			}
	%>
</body>
</html>

Welcome.jsp

Welcome.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
欢迎回来
</body>
</html>

END

posted @ 2023-09-18 17:49  Ivan丶ky  阅读(72)  评论(0)    收藏  举报