'require|length:1,30|checkVer', 'content|更新内容' => 'require|length:1,200', ]; protected function checkVer($value,$rules,$data){ if($data['id'] > 0){ $ret = Db::name('app_ios')->where('id','<>',$data['id'])->where('ver',$data['ver'])->where('del',0)->find(); if($ret){ return '版本已存在'; } }else{ $ret = Db::name('app_ios')->where('ver',$data['ver'])->where('del',0)->find(); if($ret){ return '版本已存在'; } } return true; } }