我有一个有三个选择的表单我正在调用trhough ajax。 我将选择值作为字符串传递，然后使用php explode函数检索两个类别名称以填充$ cate = $ _POST [＆＃39; cat_prod＆＃39;]和id来处理和提取ajax产品。 我收到404页面。 这是代码
<?php
global $wpdb;
$aCategoria = $wpdb->get_results( "SELECT * FROM categorie" );
?>
<select name="cat_prod[]" class="categorie">
<option value="null">--SELEZIONA CATEGORIA--</option>
<?php
foreach ($aCategoria as $categoria) {
?>
<option value="<?php $opt = array($categoria->id_cat, $categoria->categoria); echo $opt[1]."/".$opt[0]; ?>"><?php echo $categoria->categoria; ?></option>
<?php
}
?>
</select>
进行ajax调用我使用以下脚本
var ajaxurl = '<?php echo admin_url("admin-ajax.php"); ?>';
// prodotti
jQuery(function($) {
$('body').on('change', '.categorie', function() {
var categorie = $(this).val();console.log(categorie);
if(categorie != "") {
var data = {
action: 'get_prodotti_by_ajax',
categorie: categorie,
security: '<?php echo wp_create_nonce('get_prodotti'); ?>'
}
$.post(ajaxurl, data, function(response) {
$('.load-prodotti').html(response);
});
}
});
});
并将其他选择以下函数放入functions.php（wordpress）
add_action('wp_ajax_get_prodotti_by_ajax', 'get_prodotti_by_ajax_callback');
add_action('wp_ajax_nopriv_get_prodotti_by_ajax', 'get_prodotti_by_ajax_callback');
function get_prodotti_by_ajax_callback() {
check_ajax_referer('get_prodotti', 'security');
$cate = $_POST['categorie'];
// inizio
$idc = explode("/", $cate);
$idcate = $idc[1];
// fine
global $wpdb;
$aProdotti = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM prodotti WHERE id_categoria = '$idcate' " ) );
if ( $aProdotti ) {
?>
<select class="prodotti" name="prodotti[]" style="width: 100%">
<option value="null">seleziona prodotto</option>
<?php
foreach ($aProdotti as $prod) {
?>
<option value="<?php $opt=array($prod->id, $prod->prodotto); echo $opt[1]."/".$opt[0]; ?>"><?php echo $prod->prodotto; ?></option>
<?php
}
?>
</select>
<?php
}
wp_die();
}
我必须说所有ajax工作正常，但是当我提交表单时，我会收到404错误页面。 我做错了什么？
这是总表格
<form method='post' action="<?php the_permalink(); ?>">
<table id="tab_prev">
<tbody>
<tr>
<th style="width: 26px;"><input class='check_all' type='checkbox' onclick="select_all()"/></th>
<th>No</th>
<th>Categoria</th>
<th style="width: 120px">Prodotto</th>
<th style="width: 120px">Misura-Kg/ml</th>
<th>Quantità</th>
<th>Lungh. mm</th>
<th>Tot/mt</th>
<th>Tot/kg</th>
<th>kg/mt</th>
<th>Val €</th>
<th>Tot €uro</th>
</tr>
<tr>
<td><input type='checkbox' class='case'/></td>
<td>1.</td>
<td>
<?php
global $wpdb;
// $aCategoria = $wpdb->get_results( "SELECT id_cat, categoria FROM categorie" );
$aCategoria = $wpdb->get_results( "SELECT * FROM categorie" );
?>
<select name="cat_prod[]" class="categorie">
<option value="null">--SELEZIONA CATEGORIA--</option>
<?php
foreach ($aCategoria as $categoria) {
?>
<option value="<?php $opt = array($categoria->id_cat, $categoria->categoria); echo $opt[1]."/".$opt[0]; ?>"><?php echo $categoria->categoria; ?></option>
<?php
}
?>
</select>
</td>
<td class="load-prodotti"><select disabled="disabled" style="width: 100%;"><option>--seleziona</option></select></td>
<td class="load-misure"><select disabled="disabled"><option>--seleziona</option></select></td>
<input type="hidden" name="pesi[]" id="kg" class="load-peso" >
<td><input type="number" id="q" name="quantita[]" min="1" placeholder="quantità"></td>
<td><input type="number" id="l" name="lunghezza[]" min="1"step="1" pattern="[0-9]" placeholder="lunghezza"></td>
<td><input type='number' class='total_mt' name='total_mt[]' placeholder="0,00" data-ac="(#q*#l/1000)" readonly/></td>
<td><input type="number" class='total_kg' name="total_kg[]" placeholder="0,00" data-ac="(#kg*#q*#l/1000)" readonly/></td>
<td><select name="calcolo[]" id="calcolo" onchange="condition()" style="width: 80px">
<option value="null">--</option>
<option value="0" >€/Kg</option>
<option value="1">€/Mt</option>
</select>
</td>
<td><input type="number" name="quotazione[]" step="0.001" id="e" min=0 placeholder="0,00"></td>
<td id="valore_tot"><input type="number" placeholder="0,00" readonly style="background-color: rgba(0,0,0,0.1);"></td>
</tr>
</tbody>
</table>
<p>
<button type="button" class='delete' title="Rimuovi"><i class="fa fa-trash-o" aria-hidden="true"></i></button>
<button type="button" class='addmore' title="Aggiungi"><i class="fa fa-plus" aria-hidden="true"></i></button>
</p>
<textarea placeholder="Messaggio" rows="5" cols="150" name="messaggio"></textarea>
<p>
<label style="width:100px;">Totale Kg </label><input type="number" id="tot_kg_gross" name="tot_kg_gross" readonly>
</p>
<p>
<label style="width:100px;">Totale € </label><input type="number" id="tot_eur_gross" name="tot_eur_gross" readonly>
</p>
<p>
<input type="reset" value="Annulla" style="width:80px;"><input type='submit' name='invia' value='Invia' class='but' style="width:80px;margin-left: 10px;"/>
</p>
</form>
答案 0 :(得分：0)
just try this.
function get_prodotti_by_ajax() {
check_ajax_referer('get_prodotti', 'security');
$cate = $_POST['categorie'];
// inizio
$idc = explode("/", $cate);
$idcate = $idc[1];
// fine
global $wpdb;
$aProdotti = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM prodotti WHERE id_categoria = '$idcate' " ) );
if ( $aProdotti ) {
?>
<select class="prodotti" name="prodotti[]" style="width: 100%">
<option value="null">seleziona prodotto</option>
<?php
foreach ($aProdotti as $prod) {
?>
<option value="<?php $opt=array($prod->id, $prod->prodotto); echo $opt[1]."/".$opt[0]; ?>"><?php echo $prod->prodotto; ?></option>
<?php
}
?>
</select>
<?php
}
wp_die();
}
add_action('wp_ajax_get_prodotti_by_ajax', 'get_prodotti_by_ajax');
add_action('wp_ajax_nopriv_get_prodotti_by_ajax', 'get_prodotti_by_ajax');
here is the var ajaxurl
var ajaxurl = '<?php echo admin_url("admin-ajax.php"); ?>';
// prodotti
jQuery(function($) {
$('body').on('change', '.categorie', function() {
var categorie = $(this).val();console.log(categorie);
if(categorie != "") {
var data = {
action: 'get_prodotti_by_ajax',
categorie: categorie,
security: '<?php echo wp_create_nonce('get_prodotti'); ?>'
}
$.post(ajaxurl, data, function(response) {
$('.load-prodotti').html(response);
});
}
});
});here attached screenshot enter image description here
