第四个JSP作业-验证

<%@ 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=UTF-8">
<title>登录页面</title>
</head>
<body>
<form name="myform" method="post" action="B.jsp" >
<table align="center">
<tr>
<td>
<img src="image/Snap1.jpg"><div style="position:absolute; left: 490px; top: 220px; width: 400px;">
  <table width="100%" height="100%" border=0 cellPadding=0 cellSpacing=0>
        <tr vAlign=top> 
            <td width="23%" 
                height="27" align=right class=bld>用户名: </td>
            <td height="27" align=left><input type="text" size="20" name="u_name"><br>用户名由字母和数字组成</td>
        </tr>
        <tr vAlign=top> 
            <td class=bld align=right height=27>密码: </td>
            <td height="27" align=left><INPUT TYPE="password" size="20" name="u_pswd"><br>密码由字母、数字和下划线组成,至少6位</td>
        </tr>
        <tr vAlign=top> 
            <td class=bld align=right height=40> </td>
            <td  align=left valign="middle"><a href="#"><input name="submit" type="image" src="image/login.gif" width="101" height="22" border="0" ></a> 
            </td>
        </tr>
   </table>
   </div>
</td>
</tr>
</table>
</form>
</body>
</html>

  

<%@ 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=UTF-8">
<title>验证页面</title>
</head>
<body>
<%
	String name=request.getParameter("u_name");
	String pswd=request.getParameter("u_pswd");
	if(name.equals("lucky") && pswd.equals("123456")){
		out.print("你好,"+name+"!");
		request.getRequestDispatcher("C.jsp").forward(request, response);
	}else{
		request.getRequestDispatcher("D.jsp").forward(request, response);
	}
%>
</body>
</html>

  

<%@ 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=UTF-8">
<title>验证成功</title>
</head>
<body>
<h1>验证成功!</h1>
<h2>你好: 
<%
	String name=request.getParameter("u_name");
	out.print(name);
%>
</h2>
</body>
</html>

  

<%@ 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=UTF-8">
<title>验证失败</title>
</head>
<body>
<h1>验证失败!</h1>
<input type="button" value="重新登录">
</body>
</html>

  

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转载自www.cnblogs.com/minmeishaonv/p/12607460.html