求解释，在php中del如何做到根据id删除，并将ID传递到index（）方法内的？

Question

这是代码<?php// 本类由系统自动生成，仅供测试用途class DabAction extends Action {public function index(){$wtid=$_GET['wtid'];$Data = M('dab'); // 实例化Data数据模型$this->wj = $Data->where('wtid='.$wtid)->select();//dump($this->wj);$this->wtid=$wtid;$this->display();}public function add(){$wtid=$_GET['wtid'];$this->wtid=$wtid;$this->display();}public function insert(){$model=M('dab');$data=$model->create();$model->add();$this->success('增加成功','__URL__/index/wtid/'.$data['wtid']);}public function edit(){$daid=$_GET['daid'];$model=M('dab');$this->daid=$daid;$this->dab=$model->where('daid='.$daid)->find();$this->display();}public function save(){$model=M('dab');$data=$model->create();$model->save();//$this->wjid=$wjid;$this->success('修改成功','__URL__/index/wtid/'.$data['wtid']);}public function delete(){$daid=$_GET['daid'];$wtid=$_GET['wtid'];$model=M('dab');$this->dab=$model->where('daid='.$daid)->delete();$this->success('删除成功','__URL__/index/wtid/'.$wtid['wtid']);}}?>

Answer 1

问题1：那是sql的事，不关php的事
问题2：index（）加参数或加一个全局