Admin: 1 версия

2010-06-01T07:09:52Z

1 версия

в 18:01, 31 мая 2010

2010-05-31T18:01:47Z

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== Jsp Form Action: Design Your Sandwich ==



<source lang="java">
<HTML>
<HEAD>
<TITLE>Design Your Sandwich!</TITLE>
</HEAD>

<BODY>
<%
String cheese = "", turkey = "", ham = "";
String check1 = "", check2 = "", check3 = "";
if(request.getParameter("radios") != null) {
if(request.getParameter("radios").equals("cheese")){
cheese = "CHECKED";
check2 = "CHECKED";
}
if(request.getParameter("radios").equals("turkey")){
turkey = "CHECKED";
check1 = "CHECKED";
check3 = "CHECKED";
}
if(request.getParameter("radios").equals("ham")){
ham = "CHECKED";
check1 = "CHECKED";
check2 = "CHECKED";
check3 = "CHECKED";
}
}
%>
<H1>Design Your Sandwich!</H1>
<FORM METHOD="POST">
<TABLE BORDER="1" ALIGN="LEFT">
<TR>
<TH>
Sandwich
</TH>
</TR>
<TR>
<TD>
<INPUT TYPE="radio" NAME="radios" VALUE="cheese"
<%= cheese %>
>
Cheese Sandwich
<BR>
<INPUT TYPE="RADIO" NAME="radios" VALUE="turkey"
<%= turkey %>
>
Turkey Sandwich
<BR>
<BR>
<INPUT TYPE="RADIO" NAME="radios" VALUE="ham"
<%= ham %>
>
Ham Sandwich
<BR>
</TD>
</TR>
</TABLE>

<TABLE BORDER="1" ALIGN="LEFT">
<TR>
<TH>
Ingredients
</TH>
</TR>
<TR>
<TD>
<INPUT TYPE="CHECKBOX" NAME="check1" VALUE="check1"
<%= check1 %>
>
Meat
<BR>
<BR>
<INPUT TYPE="CHECKBOX" NAME="check2" VALUE="check2"
<%= check2 %>
>
Cheese
<BR>
<BR>
<INPUT TYPE="CHECKBOX" NAME="check3" VALUE="check3"
<%= check3%>
>
Lettuce
</TD>
</TR>
</TABLE>
<BR CLEAR="ALL">
<BR>
<INPUT TYPE="SUBMIT" VALUE="Submit">
</FORM>
</BODY>
</HTML>

</source>



== Jsp Form CheckBox Demo ==



<source lang="java">
//File: index.html
<HTML>

<BODY bgcolor="white">

<FORM TYPE=POST ACTION=checkresult.jsp>
<BR>
<font size=5 color="red">
Check all Favorite fruits: <br>
<input TYPE=checkbox name=fruit VALUE=apples> Apples <BR>
<input TYPE=checkbox name=fruit VALUE=grapes> Grapes <BR>
<input TYPE=checkbox name=fruit VALUE=oranges> Oranges <BR>
<input TYPE=checkbox name=fruit VALUE=melons> Melons <BR>

<br> <INPUT TYPE=submit name=submit Value="Submit">
</font>
</FORM>
</BODY>
</HTML>
//////////////////////////////////////////////////////////////

//File: checkresult.jsp
<html>

<body bgcolor="white">
<font size=5 color="red">
<%! String[] fruits; %>
<jsp:useBean id="foo" scope="page" class="checkbox.CheckTest" />
<jsp:setProperty name="foo" property="fruit" param="fruit" />
<hr>
The checked fruits (got using request) are: <br>
<%
fruits = request.getParameterValues("fruit");
%>
<ul>
<%
if (fruits != null) {
for (int i = 0; i < fruits.length; i++) {
%>
<li>
<%
out.println (util.HTMLFilter.filter(fruits[i]));
}
} else out.println ("none selected");
%>
</ul>
<br>
<hr>
The checked fruits (got using beans) are <br>
<%
fruits = foo.getFruit();
%>
<ul>
<%
if (!fruits[0].equals("1")) {
for (int i = 0; i < fruits.length; i++) {
%>
<li>
<%
out.println (util.HTMLFilter.filter(fruits[i]));
}
} else out.println ("none selected");
%>
</ul>
</font>
</body>
</html>

</source>



== Submitting Check Boxes ==



<source lang="java">
//File: index.html
<HTML>
<HEAD>
<TITLE>Submitting Check Boxes</TITLE>
</HEAD>

<BODY>
<H1>Submitting Check Boxes</H1>
<FORM ACTION="formAction.jsp" METHOD="post">
<INPUT TYPE="CHECKBOX" NAME="check1" VALUE="check1" CHECKED>
Checkbox 1
<BR>
<INPUT TYPE="CHECKBOX" NAME="check2" VALUE="check2">
Checkbox 2
<BR>
<INPUT TYPE="CHECKBOX" NAME="check3" VALUE="check3">
Checkbox 3
<BR>
<INPUT TYPE="SUBMIT" VALUE="Submit">
</FORM>
</BODY>
</HTML>
//File: formAction.jsp
<HTML>
<HEAD>
<TITLE>Reading Checkboxes</TITLE>
</HEAD>
<BODY>
<H1>Reading Checkboxes</H1>
<%
if(request.getParameter("check1") != null) {
out.println("Checkbox 1 was checked.<BR>");
}
else {
out.println("Checkbox 1 was not checked.<BR>");
}
if(request.getParameter("check2") != null) {
out.println("Checkbox 2 was checked.<BR>");
}
else {
out.println("Checkbox 2 was not checked.<BR>");
}
if(request.getParameter("check3") != null) {
out.println("Checkbox 3 was checked.<BR>");
}
else {
out.println("Checkbox 3 was not checked.<BR>");
}
%>
</BODY>
</HTML>

</source>

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Admin: 1 версия

в 18:01, 31 мая 2010