Hi everybody
Firstly thk jean helpful !
The program have been modified, but also failed !
When I run the program and select the A only after submit the form, but the result are
$user_options[0] = D,$user_select[1] =, $user_select[2] = and $user_select[3] =. Why
it should be $user_select[0]=A only ? Also same problem
Try to run the program. it okay !
Here is the full program
(testing.php)
============================================
<?php
session_register("user_options");
?>
<?php
include ("./jscript4.ini");
$user_options;
switch($action) {
case "submit":
for($i=0 ; $i<5 ; $i++) {
echo "user_options[$i] = $user_options[$i]";
echo "<p>";
}
break;
default:
display_screen();
break;
}
function display_screen() {
global $user_options;
echo "<head>";
echo "<title>Testing</title>";
echo "</head>";
echo "<body bgcolor=#FFFFFF text=#000000>";
echo "<hr>";
echo "<p>";
echo "<form name=form1 method='get'>";
echo "<input type=hidden name=action value='submit'>";
?>
<table width="20%" border="1">
<tr>
<td>
<select name="select1" size="4" >
<option value="A">A
<option value="B">B
<option value="C">C
<option value="D">D
</select>
</td>
<td>
<input type="button" value="-->" onClick="createOptions()">
<p>
</td>
<td>
<select name="select2" size="4">
<option value="" > You Selected
<option value="" > ---------------
</select>
</td>
</tr>
</table>
<hr>
<br>
<br>
<p>
<center>
<p>
<?
//initial user_options data = "0"
$user_options[0] = '0';
echo "<input type=Submit name=action value=submit onClick=\"ViewOptions()\">
";
echo "<input type='reset' name='Submit2' value='Reset'>";
?>
</center>
</P>
</form>
</body>
<script>
<!--
function ViewOptions() {
alert("debug1 user_options = <? echo "$user_options[0]"; ?> ");
var item = document.form1.select2.options.length;
if(item > 2) {
<? $j=0; ?>
for (var i=2; i<item; i++) {
var temp = document.form1.select2.options[i].text;
switch(temp) {
case "A":
alert("debug2 set user_options[<?echo "$j";?>] = A");
<?php $user_options[$j]='A'; ?>
alert("debug3 user_options[<?echo"$j";?>] = <?echo
"$user_options[$j]"; ?>");
break;
case "B":
alert("debug2 set user_options[<?echo "$j";?>] = B");
<?php $user_options[$j]='B';?>
alert("debug3 user_options[<?echo"$j";?>] = <?echo
"$user_options[$j]"; ?>");
break;
case "C":
alert("debug2 set user_options[<?echo "$j";?>] = C");
<?php $user_options[$j]='C';?>
alert("debug3 user_options[<?echo"$j";?>] = <?echo
"$user_options[$j]"; ?>");
break;
case "D":
alert("debug2 set user_options[<?echo "$j";?>] = D");
<?php $user_options[$j]='D';?>
alert("debug3 user_options[<?echo"$j";?>] = <?echo
"$user_options[$j]"; ?>");
break;
}
<? $j++; ?>
}
}
alert("debug END");
}
//-->
</script>
<?
}
?>
//Other part jscript4.ini file
(jscript4.ini)
==========================================
<script language="JavaScript1.1">
<!--
function createOptions(){
sel1 = document.form1.select1;
sel2 = document.form1.select2;
var num = sel1.selectedIndex;
var option = new Option(sel1.options[num].text);
var item = sel2.options.length;
sel2.options[item] = option;
sel1.selectedIndex = 10000;
}
//-->
</script>
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