Admin: 1 версия

2010-06-01T05:07:07Z

1 версия

в 17:44, 31 мая 2010

2010-05-31T17:44:27Z

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== Form with Error Checking ==

<p>index.jsp</p>



<source lang="java">
<HTML>
<HEAD><TITLE>Implicit Object Project</TITLE></HEAD>
<BODY>
<FORM METHOD="POST" ACTION="StreamResponse.jsp">
<H2> Streaming file demo </H2>
<TABLE>
<TR>
<TD> Enter File name: </TD>
<TD> <INPUT TYPE="text" SIZE=60 NAME="File"> </TD>
</TR>
<TR>
<TD> Enter optional MIME type: </TD>
<TD> <INPUT TYPE="text" SIZE=30 NAME="MIME type"> </TD>
</TR>
</TABLE>
<P>
<INPUT TYPE=submit VALUE="Fetch">
<INPUT TYPE=reset VALUE="Reset">
</FORM>
</BODY></source>



== Pass Form Value to Bean ==

<p>Jsp code</p>



<source lang="java">
<html>

<jsp:useBean id="cb" scope="session" class="beans.MyBean" />
<jsp:setProperty name="cb" property="*" />
<%
cb.processRequest(request);
%>
<body bgcolor=<%= cb.getColor1() %>>
<font size=6 color=<%= cb.getColor2() %>>
<P>
<% if (cb.getHint()==true) { %>

<P> Hint #1: Vampires prey at night!
<P> Hint #2: Nancy without the n.
<% } %>
<% if (cb.getSuccess()==true) { %>
<P> CONGRATULATIONS!!
<% if (cb.getHintTaken()==true) { %>

<P> ( although I know you cheated and peeked into the hints)
<% } %>
<% } %>
Total attempts so far: <%= cb.getAttempts() %>

<form method=POST action=index.jsp>
Color #1: <input type=text name= color1 size=16>
<br>
Color #2: <input type=text name= color2 size=16>
<P>
<input type=submit name=action value="Submit">
<input type=submit name=action value="Hint">
</form>
</font>
</body>
</html></source>



== Read Hidden Control in Same File ==



<source lang="java">
<HTML>
<HEAD>
<TITLE>Reading Hidden Controls</TITLE>
</HEAD>
<BODY>
<H1>Reading Hidden Controls</H1>
<%
String text = "";
if(request.getParameter("TEXT1") != null) {
out.println("The hidden text is:" + request.getParameter("TEXT1"));
text = request.getParameter("TEXT1");
}
%>
<FORM ACTION="basic.jsp" METHOD="POST">
<INPUT TYPE="TEXT" NAME="TEXT1">
<INPUT TYPE="HIDDEN" NAME="HIDDEN"
VALUE="<%= text%>">
<INPUT TYPE="SUBMIT" VALUE="Set Hidden Text">
</FORM>
</BODY>
</HTML></source>



== Use For Each to Loop Through all Values Passed in by Form ==

<p>index.jsp</p>



<source lang="java">
<html>
<head>
<title>Page Data Example</title>
</head>
<body>
<table border="1">
<form method="POST" action="params2.jsp">
<tr>
<td width="33%">
<b>First Name</b>
</td>
<td width="73%">
<input type="text" name="first" size="40" />
</td>
</tr>
<tr>
<td width="33%">
<b>Last Name</b>
</td>
<td width="73%">
<input type="text" name="last" size="40" />
</td>
</tr>
<tr>
<td width="33%">
<b>Address</b>
</td>
<td width="73%">
<input type="text" name="address" size="40" />
</td>
</tr>
<tr>
<td width="33%">
<b>City</b>
</td>
<td width="73%">
<input type="text" name="city" size="20" />
</td>
</tr>
<tr>
<td width="33%">
<b>State</b>
</td>
<td width="73%">
<input type="text" name="state" size="20" />
</td>
</tr>
<tr>
<td width="33%">
<b>ZIP</b>
</td>
<td width="73%">
<input type="text" name="zip" size="20" />
</td>
</tr>
<tr>
<td colspan="2">
<input type="submit" value="Submit" name="action" />
<input type="reset" value="Reset" name="action" />
</td>
</tr>
</form>
</table>
</body>
</html></source>



== Use Loop to Read Form Controls ==

<p>index.jsp</p>



<source lang="java">
<HTML>
<HEAD>
<TITLE>Submitting Check Boxes</TITLE>
</HEAD>

<BODY>
<H1>Submitting Check Boxes</H1>
<FORM action="basic.jsp" method="post">
<INPUT TYPE="CHECKBOX" NAME="checks" VALUE="check1" CHECKED>
Checkbox 1
<BR>
<INPUT TYPE="checkbox" NAME="checks" VALUE="check2">
Checkbox 2
<BR>
<INPUT TYPE="checkbox" NAME="checks" VALUE="check3">
Checkbox 3
<BR>
<INPUT TYPE="submit" VALUE="Submit">
</FORM>
</BODY>
</HTML></source>

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Admin: 1 версия

в 17:44, 31 мая 2010