-1
我有一个由循环组成的selet的下拉列表,我需要从select中选择要写入数据库的选定值,它现在将我写为数值的数字,并且我需要从下拉列表中的字符串 我的代码select select into DB的结果
<form action="" id="equipment" method="post">
<table>
<tr>
<td><label for="title">Add title</label></td>
<td><input type="text" name="title" id="title" value="" /></td>
</tr>
<tr>
<td><label for="anonce">Add anonce</label></td>
<td><textarea type="textarea" rows="4" cols="50" name="anonce" id="anonce" ></textarea></td>
</tr>
<tr>
<td><label for="url">Add url page of equipment</label></td>
<td><input type="text" name="url" id="url" /></td>
</tr>
<tr>
<?php echo rel_select(); ?>
</tr>
<tr>
<td><button type="submit" name="submit">Add equipment</button></td>
</tr>
</table>
</form>
<?php
function rel_select(){
global $wpdb;
$table_cat = $wpdb->prefix . 'rel_cat';
$rel_cat = $wpdb->get_col("SELECT name FROM $table_cat");
?>
<select name="cat-select">
<option value="">Select category</option>
<?php
foreach($rel_cat as $key => $value):
$key = 1;
echo '<option value="'.$key.'">'.$value.'</option>';
endforeach;
?>
</select>
<?php
} ?>
<?php
global $wpdb;
$table_name = $wpdb->prefix . 'rel_eq';
if (isset($_POST['submit'])){
$wpdb->insert($table_name, array(
'title' => $_POST['title'],
'url' => $_POST['url'],
'relcat' => $_POST['cat-select'],
'anonce' => $_POST['anonce']),
array('%s', '%s')
);
}
?>
将选项的值设置为$值。 –
在选择标签中,“value”将是系统将要处理的值。在你的情况下,它是你的'$钥匙'。您的“价值”仅用于显示,而不是将要处理的实际数据。 https://www.w3schools.com/tags/tag_option.asp – hungrykoala
'echo'';' –