使用 PHP 从下拉列表中删除所选项目等

发布于 2024-10-20 04:14:29 字数 758 浏览 1 评论 0原文

嗨：我正在尝试使用 PHP 删除下拉菜单中的选定项目，但一切都知道有用。另外，当我单击用于删除所选列表的同一个提交按钮时，我想更新 MySQL 数据库。我尝试使用 JavaScript，但无法在提交输入按钮上使用两种语言。

这是我用于创建下拉菜单和按钮

$opts        = array("guns", "knives", "ammo");
$selected    = array($_POST['selectMenu']);
$revisedOpts = array_diff($opts, $selected);

HTML 的

<select name='selectMenu'>
<?php
foreach($revisedOpts as $v) {
     echo "<option>".$v."</option>";
}
?>
</select><input name="Collect" type="submit" value="submit" />

代码这是 mysql_query

if (isset($_POST['Collect'])) {
    mysql_query("UPDATE Player SET score = score+10
                 WHERE name = 'Rob Jackson' AND rank = 'Lieutenant'");
}

原文

Hiya:
I'm trying to use PHP to remove selected item in a drop down menu, but all to know avail. Also, when I click on the same submit button that I'll use to remove selected list, I want to UPDATE the MySQL database. I tried using JavaScript, but couldn't use both languages on that submit input button.

This is my code for creating the drop down menu and button

$opts        = array("guns", "knives", "ammo");
$selected    = array($_POST['selectMenu']);
$revisedOpts = array_diff($opts, $selected);

HTML

<select name='selectMenu'>
<?php
foreach($revisedOpts as $v) {
     echo "<option>".$v."</option>";
}
?>
</select><input name="Collect" type="submit" value="submit" />

This is the mysql_query

if (isset($_POST['Collect'])) {
    mysql_query("UPDATE Player SET score = score+10
                 WHERE name = 'Rob Jackson' AND rank = 'Lieutenant'");
}

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