使用现有脚本检查表单提交上的输入值是否存在最小数量。我需要包含一个条件来检查是否存在最大数量，并在不满足条件时显示错误消息。我认为这是编辑现有条件逻辑的问题，但对于我的生活，我无法在不影响功能最小条件的情况下进行编辑。而不是提交我未能改变代码的尝试，而是提交仅验证最小数量的功能版本。
$('#button-cart').on('click', function() {
var total_quantity = 0;
var min_oneside = parseInt("<?php echo $min_oneside; ?>");
var min_bothside = parseInt("<?php echo $min_bothside; ?>");
var min_noprint = parseInt("<?php echo $min_noprint; ?>");
var min_standard = parseInt(" <?php echo $minimum; ?>");
var max_standard = parseInt(" <?php echo $maximum; ?>");
var validQty = true;
var validMaxQty = true;
var validInput = true;
var oth_minimum = "Quantity must be at least <?php echo $minimum; ?>";
var oth_maximum = "Quantity must be less than <?php echo $maximum; ?>"
$('#content').find('input[name^="option-quantity"]').each(function(){
total_quantity = total_quantity + parseInt($(this).val());
});
$('#content').find('input[name="quantity"]').each(function(){
total_quantity = total_quantity + parseInt($(this).val());
});
var element = $("label:contains('Printing')").attr('for');
if(element === undefined){
if( total_quantity < min_standard ) {
validQty = false;
validInput = false;
oth_minimum = "Quantity must be at least " + min_standard;
}else if (total_quantity > max_standard){
validQty = false;
validInput = false;
oth_message = oth_maximum;
}
} else {
if ( ($("#" + element + " option:selected").text()).match("Printed One Side") ){
if( total_quantity < min_oneside ) {
validQty = false;
validInput = false;
oth_minimum = "Quantity must be at least " + min_oneside;
}else if (total_quantity > max_standard){
validQty = false;
validInput = false;
oth_message = oth_maximum;
}
}
if ( ($("#" + element + " option:selected").text()).match("Printed Both Sides") ){
if( total_quantity < min_bothside ) {
validQty = false;
validInput = false;
oth_minimum = "Quantity must be at least " + min_bothside;
}else if (total_quantity > max_standard){
validQty = false;
validInput = false;
oth_message = oth_maximum;
}
}
if ( ($("#" + element + " option:selected").text()).match("No Printing") ){
if( total_quantity < min_noprint ) {
validQty = false;
validInput = false;
oth_minimum = "Quantity must be at least " + min_noprint;
}else if (total_quantity > max_standard){
validQty = false;
validInput = false;
oth_message = oth_maximum;
}
}
}
if(!validQty) {
$('#errorQuantity').html(oth_minimum);
}
var minimum = "Quantity must be at least <?php echo $minimum; ?>";
if($('#errorQuantity').length > 0 && validQty) {
var quantity = 0;
$('#errorQuantity').empty();
$('input[type=number]').each(function () {
var currentId = $(this).attr('id');
checkboxId = currentId.replace("quantity-", "");
if(isNaN($(this).val()) || $(this).val() < 0) {
$(this).focus();
$(this).css('background-color', 'red');
validInput = false;
} else {
quantity += parseInt($(this).val());
}
});
if(quantity <= 0) {
$('#errorQuantity').append(minimum);
validInput = false;
}
}
if(validInput){
$('input[type=number]').each(function () {
$(this).css('background-color', '#FFFFFF');
});
$('#errorQuantity').empty();
$.ajax({
url: 'index.php?route=checkout/cart/add',
type: 'post',
data: $('.product-info input[type=\'text\'], .product-info input[type=\'number\'], .product-info input[type=\'date\'], .product-info input[type=\'datetime\'], .product-info input[type=\'hidden\'], .product-info input[type=\'radio\']:checked, .product-info input[type=\'checkbox\']:checked, .product-info select, .product-info textarea'),
dataType: 'json',
beforeSend: function() {
$('#button-cart').attr('disabled', true);
$('#button-cart').after('<i class="fa fa-circle-o-notch fa-spin"></i>');
},
success: function(json) {
$('.alert, .text-danger').remove();
$('.form-group').removeClass('has-error');
$('#button-cart').next('.fa-spin').remove();
$('#button-cart').attr('disabled', false);
if (json['error']) {
var errors = '';
if (json['error']['option']) {
for (i in json['error']['option']) {
var element = $('#input-option' + i.replace('_', '-'));
element.parents('.form-group').first().find('> label + div').append('<div class="text-danger">' + json['error']['option'][i] + '</div>');
}
}
if (json['error']['recurring']) {
$('select[name="recurring_id"]').after('<span class="error">' + json['error']['recurring'] + '</span>');
}
// Highlight any found errors
$('.text-danger').each(function() {
$(this).parents('.form-group').first().addClass('has-error');
});
}
if (json['success']) {
$('.tb_widget_cart > .tb_nav').load('index.php?route=common/cart/info .tb_nav > *');
window.location = $('base').attr('href') + 'index.php?route=checkout/cart';
//displayNotice('product', 'success', 'product', json['success']);
}
}
});
}
}）;
答案 0 :(得分：0)
应该是这样的：
if(element === undefined){
if( total_quantity < min_standard ) {
validQty = false;
validInput = false;
oth_message = oth_minimum;
}else if (total_quantity > max_standard){
validQty = false;
validInput = false;
oth_message = oth_maximum;
}
} else {
if ( ($("#" + element + " option:selected").text()).match("Printed One Side") ){
if( total_quantity < min_oneside ) {
validQty = false;
validInput = false;
oth_message = "Quantity must be at least " + min_oneside;
}
}
if ( ($("#" + element + " option:selected").text()).match("Printed Both Sides") ){
if( total_quantity < min_bothside ) {
validQty = false;
validInput = false;
oth_message = "Quantity must be at least " + min_bothside;
}
}
if ( ($("#" + element + " option:selected").text()).match("No Printing") ){
if( total_quantity < min_noprint ) {
validQty = false;
validInput = false;
oth_message = "Quantity must be at least " + min_noprint;
}
}
}
if(!validQty) {
$('#errorQuantity').html(oth_message);
}
您可以为其他条件添加相同的方式，我只为第一个条件添加。