Solution:
The file used in this exercise is Expression_Login.jsp. The file is saved in basic directory.
<html>
<head>
<title>Login Page</title>
</head>
<body bgcolor="white">
<%if(request.getParameter("userid")==null&& request.getParameter("password")==null ) { %>
<center>
<h2>Online Banking Login</h2>
</center>
<form method="GET" action="http://localhost:8080/basic/Login.jsp">
<b>User Id:</b> <input type="text" name="userid" size=15>
<p>
<b>Password:<b> <input type="password" name="password" size=8>
<p>
<input type="submit" value="LOGIN">
</form>
<% } else { %>
<%! String userid,password; %>
<%
userid = request.getParameter("userid");
password = request.getParameter("password");
%>
<% } %>
</body>
</html>
The output of the program is as shown in Figure 6.3.
Figure 6.3: Output of Login.jsp2.Use the above code and greet the login user. Make use of the expression elements to display the message.
Solution:
The file used in this exercise is Login.jsp. The file is saved in basic directory.
<html>
<head>
<title>Login Page</title>
</head>
<body bgcolor="white">
<%if(request.getParameter("userid")==null&& request.getParameter("password")==null ) { %>
<center>
<h2>Online Banking Login</h2>
</center>
<form method="GET" action="http://localhost:8080/basic/Login.jsp">
<b>User Id:</b> <input type="text" name="userid" size=15>
<p>
<b>Password:<b> <input type="password" name="password" size=8>
<P>
<input type="submit" value="LOGIN">
</form>
<% } else { %>
<%! String userid,password; %>
<%
userid = request.getParameter("userid");
password = request.getParameter("password");
%>
<p>
<b>Good Morning!! <%= userid %><p></b>
<% } %>
</body>
</html>
The output of the program is as shown in Figure 6.4.
Figure 6.4: Output of Login.jsp
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