yii2 自动保存
控制器
<?php
namespace frontend\controllers;
use Yii;
class SaveController extends \yii\web\Controller
{
public $enableCsrfValidation = false;
//显示首页
public function actionIndex(){
return $this->render('index');
}
//添加显示
public function actionInsert()
{
$content = Yii::$app->request->post('content');
if($content == ''){
$this->redirect('index.php?r=save/index');
}
$time = date('Y-m-d H:i:s',time());
$save = Yii::$app->db;
$command = $save->createCommand("insert into save values(null,'$content','$time')")->execute();
$id = Yii::$app->db->getLastInsertID();//获得刚插入数据的id
//echo $id;die;
$data = $save->createCommand("select * from save where id='$id'")->queryOne();
//print_r($data);
return $this->render('show',['data'=>$data]);
}
//修改
public function actionUpd()
{
$id = Yii::$app->request->post('id');
$content = Yii::$app->request->post('content');
$time = date('Y-m-d H:i:s',time());
$save = Yii::$app->db;
$save->createCommand("update save set content='$content',time='$time' where id='$id'")->execute();
$data = $save->createCommand("select * from save where id='$id'")->queryOne();
return $this->render('show',['data'=>$data]);
}
}
视图层1
<h1>文章编辑</h1>
<h4><a href="<?php echo Yii::$app->urlManager->createUrl(['save/index']) ?>">返回首页</a></h4>
<form action="index.php?r=save/insert" method='post' >
<TEXTAREA rows="5" cols="20" onblur='add()' name='content' ></TEXTAREA>
</form>
<script>
function add(){
setInterval(function(){
$('form').submit()
},5000);
}
</script>
视图层2
<h1>文章编辑</h1>
<h4><a href="<?php echo Yii::$app->urlManager->createUrl(['save/index']) ?>">返回首页</a></h4>
<h6>本地自动保存时间为:<?php echo $data['time'] ?></h6>
<form action="index.php?r=save/upd" method='post' >
<input type='hidden' name='id' value="<?php echo $data['id'] ?>"/>
<TEXTAREA rows="5" cols="20" onblur='add()' name='content' ><?php echo $data['content'] ?></TEXTAREA>
</form>
<script>
function add(){
setInterval(function(){
$('form').submit()
},5000);
}
</script>
