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用thinkphp执行原生sql

Controller代码:

Demo2Controller.class.php

<?phpnamespace Home\Controller;use Think\Controller;use Think\Model;class Demo2Controller extends Controller {        //insert 操作    public function test1(){        $Model = new Model();        $sql = "insert into city(cityname,province,citydesc) values(‘石家庄‘,‘河北省‘,‘河北省城市‘)";        $Model->execute($sql);                echo "insert 操作";    }        //delete 操作    public function test2(){        $Model = new Model();        $sql = "delete from city where cityname=‘石家庄‘";        $Model->execute($sql);                 echo "delete 操作";    }        // update 操作    public function test3(){        $Model = new Model();        $sql = "update city set citydesc=‘河北省省会‘ where cityname=‘石家庄‘";        $Model->execute($sql);            echo "update 操作";    }        // select 操作    public function test4(){        $Model = new Model();        $sql = "select * from city order by id asc";        $list = $Model->query($sql);                $this->assign(‘list‘,$list);        $this->display();    }}

 

select 操作对应的View页面:

test4.html

<!DOCTYPE html><html><head><meta charset="UTF-8"><title>test3</title></head><body><table width="100%" border="1" cellspacing="0" cellpadding="0">  <tr>      <td>序号</td>    <td>城市</td>    <td>省会</td>    <td>描述</td>  </tr>  <foreach name="list" item="item" key="index">  <tr>      <td>{$index+1}</td>    <td>{$item.cityname}</td>    <td>{$item.province}</td>    <td>{$item.citydesc}</td>  </tr>  </foreach></table></body></html>

 

用thinkphp执行原生sql