hainan/resources/js/select-supplier-product-change.js

$(function () {
	var template = $('template.spec-tpl').html();

	//新增产品时，选择供应商产品载入规格
	$('input[name="product_id"]').change(function () {
		$.ajax({
			url: '`{{url}}`',
			method: 'POST',
			data: {
				product_id: $(this).val(),
				_form_: '`{{class}}`',
			},
			success: function (res) {
				var fields = ['supplier_name', 'supplier_date', 'supplier_price', 'supplier_stock', 'product_spec_id'];
				var data = res.data;
				var forms = $('.has-many-spec-forms');

				//如果是已经保存有记录(.field_id不为空)，调用click，提交的时候会同时删除数据库里的记录，否则直接remove掉，减小HTML体积
				forms.children().each(function () {
					if ($(this).find('.field_id').val()) {
						$(this).find('.remove.btn').click();
					} else {
						$(this).remove();
					}
				});

				for (var key in data) {
					var row = $(template.replace(/new___LA_KEY__/g, key));
					for (var i=0; i<fields.length; i++) {
						var field = fields[i];
						row.find('input.field_' + field).val(data[key][field]);
					}
					forms.append(row);
				}
			},
			error: function () {
				Dcat.error('服务器出现未知错误，获取供应商产品规格失败');
			}
		});
	});
});