PHP/Form/Form Select — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 10:37, 26 мая 2010
Содержание
- 1 A day choice <select> menu
- 2 An HTML Form Including a SELECT Element
- 3 An HTML Form with a select Element
- 4 A <select> menu with different choices and values
- 5 Creating Form Elements Based on the Current Time and/or Date
- 6 Creating Form Elements with Multiple Options
- 7 Displaying a <select> menu
- 8 Form select input
- 9 Generating a dynamic pull-down menu
- 10 One choice for each day from 1 to 31
- 11 One choice for each year from last year to five years from now
- 12 Setting a default value in a <select> menu
- 13 Setting defaults in a multi-valued <select> menu
- 14 Validating a drop-down menu with in_array()
<?
$midnight_today = mktime(0,0,0);
print "<select name="date">";
for ($i = 0; $i < 7; $i++) {
$timestamp = strtotime("+$i day", $midnight_today);
$display_date = strftime("%A, %B %d, %Y", $timestamp);
print "<option value="" . $timestamp ."">".$display_date."</option>\n";
}
print "\n</select>";
?>
An HTML Form Including a SELECT Element
<html>
<head>
<title>An HTML form including a SELECT element</title>
</head>
<body>
<form action="formSelectData.php" method="POST">
<input type="text" name="user">
<br>
<textarea name="address" rows="5" cols="40"></textarea>
<br>
<select name="products[]" multiple>
<option>option1
<option>option2
<option>option3
<option>option4
</select>
<br>
<input type="submit" value="OK">
</form>
</body>
</html>
<!-- formSelectData.php
<html>
<head>
<title>Reading input from the form</title>
</head>
<body>
<?php
print "Welcome <b>$user</b><p>\n\n";
print "Your address is:<p>\n\n<b>$address</b><p>\n\n";
print "Your product choices are:<p>\n\n";
print "<ul>\n\n";
foreach ( $products as $value ){
print "<li>$value<br>\n";
}
print "</ul>";
?>
</body>
</html>
-->
An HTML Form with a select Element
<html>
<head>
<title>An HTML Form with a "select" Element</title>
</head>
<body>
<div>
<form action="index.php" method="post">
<p><input type="text" name="user" /></p>
<p><textarea name="address" rows="5" cols="40">
</textarea></p>
<p><select name="products[]" multiple="multiple">
<option>A</option>
<option>B</option>
<option>C</option>
<option>D</option>
</select></p>
<p><input type="submit" value="hit it!" /></p>
</form>
</div>
</body>
</html>
//Reading Input from the Form
<html>
<head>
<title>Reading Input from the Form</title>
</head>
<body>
<div>
<?php
print "Welcome <b>" . $_POST ["user"] . "</b><br/>";
print "Your address is:<br/><b>" . $_POST ["address"] . "</b><br/>\n";
if (is_array ( $_POST ["products"] )) {
print "<p>Your product choices are:</p>";
print "<ul>";
foreach ( $_POST ["products"] as $value ) {
print "<li>$value</li>\n";
}
print "</ul>";
}
?>
</div>
</body>
</html>
<?
$sweets = array("puff" => "A",
"square" => "C",
"cake" => "B",
"ricemeat" => "S");
function show_form() {
print<<<_HTML_
<form method="post" action="$_SERVER[PHP_SELF]">
Your Order: <select name="order">
_HTML_;
foreach ($GLOBALS["sweets"] as $val => $choice) {
print "<option value=\"$val\">$choice</option>\n";
}
print<<<_HTML_
</select>
<br/>
<input type="submit" value="Order">
<input type="hidden" name="_submit_check" value="1">
</form>
_HTML_;
}
?>
Creating Form Elements Based on the Current Time and/or Date
<html>
<body>
<?php
if ($_POST["submitted"] == "yes"){
echo $_POST["month"] . "/" . $_POST["day"] . "/" . $_POST["year"] . " - " . $_POST["hour"] . ":" . $_POST["minute"] . ":" . $_POST["second"];
?><br /><a href="index.php">Try Again</a><?php
}
if ($_POST["submitted"] != "yes"){
?>
<form action="index.php" method="post">
<p>Example:</p>
<input type="hidden" name="submitted" value="yes" />
Select a Date and Time: <br />
<select name="month">
<?php
for ($i = 1; $i <= 12; $i++){
?><option value="<?php echo $i; ?>"<?php if ($i == date ("n")){?> selected="selected"<?php } ?>><?php echo $i; ?></option><?php
}
?>
</select> /
<select name="day">
<?php
for ($i = 1; $i <= 31; $i++){
?><option value="<?php echo $i; ?>"<?php if ($i == date ("j")){?> selected="selected"<?php } ?>><?php echo $i; ?></option><?php
}
?>
</select> /
<select name="year">
<?php
for ($i = 1950; $i <= date ("Y"); $i++){
?><option value="<?php echo $i; ?>"<?php if ($i == date ("Y")){?> selected="selected"<?php } ?>><?php echo $i; ?></option><?php
}
?>
</select> -
<select name="hour">
<?php
for ($i = 1; $i <= 24; $i++){
?><option value="<?php echo $i; ?>"<?php if ($i == date ("G")){?> selected="selected"<?php } ?>><?php echo $i; ?></option><?php
}
?>
</select> :
<select name="minute">
<?php
for ($i = 1; $i <= 60; $i++){
//Deal with leading zeros.
if ($i < 10){
$comparem = "0" . $i;
} else {
$comparem = $i;
}
?><option value="<?php echo $i; ?>"<?php if ($comparem == date ("i")){?> selected="selected"<?php } ?>><?php echo $i; ?></option><?php
}
?>
</select> :
<select name="second">
<?php
for ($i = 1; $i <= 60; $i++){
if ($i < 10){
$compares = "0" . $i;
} else {
$compares = $i;
}
?><option value="<?php echo $i; ?>"<?php if ($compares == date ("s")){?> selected="selected"<?php } ?>><?php echo $i; ?></option><?php
}
?>
</select>
<br /><input type="submit" value="Submit" style="margin-top: 10px;" />
</form>
<?php
}
?>
</div>
</body>
</html>
Creating Form Elements with Multiple Options
<html>
<body>
<?php
if ($_POST ["submitted"] == "yes") {
if (count ( $_POST ["fruit"] ) != 0) {
echo "Your Selections:<br />";
} else {
echo "You have not made any selections.<br /><br />";
}
for($i = 0; $i < count ( $_POST ["fruit"] ); $i ++) {
echo $_POST ["fruit"] [$i] . "<br />";
}
?><a href="index.php">Try Again</a><?php
}
if ($_POST ["submitted"] != "yes") {
?>
<form action="index.php" method="post">
<input type="hidden" name="submitted" value="yes" /> Your Choice (s): <br />
<select name="fruit[]" multiple="multiple">
<option value="Bananas">Bananas</option>
<option value="Apples">Apples</option>
<option value="Oranges">Oranges</option>
</select><br />
<input type="submit" value="Submit" /></form>
<?php
}
?>
</body>
</html>
<?
$sweets = array("A","B","C","D");
function show_form() {
print<<<_HTML_
<form method="post" action="$_SERVER[PHP_SELF]">
Your Order: <select name="order">
_HTML_;
foreach ($GLOBALS["sweets"] as $choice) {
print "<option>$choice</option>\n";
}
print<<<_HTML_
</select>
<br/>
<input type="submit" value="Order">
<input type="hidden" name="_submit_check" value="1">
</form>
_HTML_;
}
?>
Form select input
<HTML>
<HEAD>
<TITLE>Candy preference form</TITLE>
</HEAD>
<BODY>
<FORM ACTION="SelectFormControlHandler.php" METHOD="POST">
What"s your most favorite kind of candy?<BR>
<INPUT TYPE="radio" NAME="Candy" VALUE="peanut butter cups">Peanut butter cups<BR>
<INPUT TYPE="radio" NAME="Candy" VALUE="Snickers">Snickers<BR>
<INPUT TYPE="radio" NAME="Candy" VALUE="Turtles">Turtles<BR>
<INPUT TYPE="submit">
</FORM>
</BODY>
</HTML>
<!-- SelectFormControlHandler.php
<HTML>
<HEAD>
<TITLE>Candy preference reply</TITLE>
</HEAD>
<BODY>
Yum, <?php print("$Candy! ");
if($Candy == "peanut butter cups"){
print("peanut butter cups");
print(" $Candy.");
}else{
print("$Candy");
if($Candy == "Snickers"){
print("Snickers");
}elseif($Candy == "Turtles"){
print("Turtles");
}
}
?>
</BODY>
</HTML>
-->
<?
if ($site != "") :
header("Location: http://$site");
exit;
else :
?>
<html>
<head>
<title></title>
</head>
<body>
<?
$favsites = array ("www.wbex.ru","www.yahoo.ru","www.ms.ru","www.php.ru");
?>
<form action = "index.php" method="post">
<select name="site">
<option value = "">Choose a site:
<?
$x = 0;
while ( $x < sizeof ($favsites) ) :
print "<option value="$favsites[$x]">$favsites[$x]";
$x++;
endwhile;
?>
</select>
<input type="submit" value="go!">
</form>
<?
endif;
?>
One choice for each day from 1 to 31
<?
$months = array(1 => "January", 2 => "February", 3 => "March", 4 => "April",
5 => "May", 6 => "June", 7 => "July", 8 => "August",
9 => "September", 10 => "October", 11 => "November",
12 => "December");
print "<select name="day">";
for ($i = 1; $i <= 31; $i++) {
print "<option value="" . $i . "">" . $i ."</option>\n";
}
print "</select> \n";
?>
One choice for each year from last year to five years from now
<?
$months = array(1 => "January", 2 => "February", 3 => "March", 4 => "April",
5 => "May", 6 => "June", 7 => "July", 8 => "August",
9 => "September", 10 => "October", 11 => "November",
12 => "December");
print "<select name="year">";
for ($year = date("Y") -1, $max_year = date("Y") + 5; $year < $max_year; $year++) {
print "<option value="" . $year . "">" . $year ."</option>\n";
}
print "</select> \n";
?>
<?
$sweets = array("puff" => "A",
"square" => "C",
"cake" => "B",
"ricemeat" => "S");
print "<select name="sweet">";
foreach ($sweets as $option => $label) {
print "<option value="" .$option .""";
if ($option == $defaults["sweet"]) {
print " selected="selected"";
}
print "> $label</option>\n";
}
print "</select>";
?>
<?
$main_dishes = array("cuke" => "B",
"stomach" => "B",
"tripe" => "C",
"taro" => "S",
"giblets" => "E",
"abalone" => "F");
print "<select name="main_dish[]" multiple="multiple">";
$selected_options = array();
foreach ($defaults["main_dish"] as $option) {
$selected_options[$option] = true;
}
foreach ($main_dishes as $option => $label) {
print "<option value="" . htmlentities($option) . """;
if ($selected_options[$option]) {
print " selected="selected"";
}
print ">" . htmlentities($label) . "</option>";
print "\n";
}
print "</select>";
?>
<?php
$choices = array("Eggs","Toast","Coffee");
echo "<select name="food">\n";
foreach ($choices as $choice) {
echo "<option>$choice</option>\n";
}
echo "</select>";
if (! in_array($_POST["food"], $choices)) {
echo "You must select a valid choice.";
}
?>