} //保质期正则 function vdreg() { var ValidityDate = $("input[name=ValidityDate]").val(); var reg = /^(0?[[0-9]|1[0-2])$/; if (!reg.test(ValidityDate)) { alert('请输入正确月份'); return false; } else { return true; } } $(function() { <?php $prices = DealergoodsService::getmaxprice(); ?> var maxprice =<?php echo $prices['maxprice']; ?> ; var maxnum =<?php echo $prices['maxnum']; ?> ; //保修期 显示判断 $("#ValidityID").change(function() { var vtype = $(this).val(); if (vtype == 3) { $('.validityshow').show(); } else {