if ($cart_info) {

$data['num'] = intval($cart_info['num']) intval($num);

//判斷庫存

if (intval($check_info['num'])<=$data['num']) {

# echo json_encode(array('status'=>0,'err '=>'庫存不足！'));

exit;

}

# $res = $shpp->where('id='.intval( $cart_info['id']))->save($data);

}else{

$data['pid']=intval($pid);

$data['num']=intval($num);

$data['addtime']=time();

$data['uid']=intval ($uid);

$data['shop_id']=intval($check_info['shop_id']);

$ptype = 1;

# if (intval ($check_info['pro_type'])) {

$ptype = intval($check_info['pro_type']);

}

$data['type' ]=$ptype;

$data['price'] = $check_info['price_yh'];

$data['aa']='增加'

##################################################################### $res=$shpp->add($data);###### }################ if($res){###### echo json_encode (array('status'=>1,'cart_id'=>$res)); //商品已成功加入您的購物車###### exit;##### }else{ ###### echo json_encode(array('status'=>0,'err'=>'加入失敗.'));###### exit;####### }## ################################$res=$shpp->add($data);增加記錄後後返回ID=1######但我的資料庫ID值卻是5，######資料庫的ID 沒有與新增的記錄同步。 ############