07 CI 增 删 查 改

文件路径:C:\AppServ\www\ci\application\controllers\welcome.php

浏览器地址栏：http://localhost:8080/ci/index.php/welcome/index

<?phpclass Welcome extends CI_Controller {   public function index()   {      $res=$this->db->get("qq");//查找，返回结果集对象       // var_dump($res);        foreach($res->result() as $item)        {            echo $item->nickname;            echo "<br/>";        }        //上传数据        $time=time();        $data=array(            "time"=>" $time",            "nickname"=>"CICICICI",        );        $bool=$this->db->insert("qq",$data);//写入数据        var_dump($bool);//成功返回true               //修改数据        $time=time();        $data=array(            "time"=>" $time",            "nickname"=>"CICICICI",        );        $this->db->update("qq",$data,array("id"=>3));             //删除数据        $this->db->delete("qq",array("id"=>2));   }}