Yii2 缓存

参考:http://www.yiiframework.com/doc-2.0/guide-caching-overview.html

配置

"components" => [
	"cache" => [
            "class" => "yiicachingFileCache",
        ],

数据缓存

$cache = Yii::$app->cache;
$cache["aa"] = "123";
echo $cache["aa"];

片段缓存

<h1>朝代</h1>
<?php if($this->beginCache($id, ["duration" => 3600])) { ?>
<?php
echo ListView::widget([
	"dataProvider" => $dataProvider,
	"itemView" => "_item",
]);
?>
<?php $this->endCache(); } ?>

$dependency = [
    "class" => "yiicachingDbDependency",
    "sql" => "SELECT MAX(updated_at) FROM post",
];

if ($this->beginCache($id, ["dependency" => $dependency])) {

    // ... generate content here ...

    $this->endCache();
}

if ($this->beginCache($id, ["variations" => [Yii::$app->language]])) {

    // ... generate content here ...

    $this->endCache();
}

if ($this->beginCache($id1)) {

    // ...content generation logic...

    if ($this->beginCache($id2, $options2)) {

        // ...content generation logic...

        $this->endCache();
    }

    // ...content generation logic...

    $this->endCache();
}

页面缓存

class TestController extends Controller
{
    public function actionIndex()
    {
		//$db = Yii::$app->db;
		sleep(2);
		$query = Dynasty::find();
		$dataProvider = new ActiveDataProvider([
							"query" => $query,
							"pagination" => [
								"pageSize" => 15,
							],
						]);
		return $this->render("index", [
            "dataProvider" => $dataProvider
        ]);
    }
	public function behaviors()
	{
		return [
			[
				"class" => "yiifiltersPageCache",
				"duration" => 60,
                                "variations"=> [$_GET["page"]],
			],
		];
	}
}

动态内容

...别的HTML内容...
<?php if($this->beginCache($id)) { ?>
...被缓存的片段内容...
    <?php $this->renderDynamic($callback); ?>
...被缓存的片段内容...
<?php $this->endCache(); } ?>
...别的HTML内容...