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在 BaseController 中继承父类的 beforeAction 和 afterAction 勾子，记录API运行开始，以及结束时间。

示例：

private $actionStart = 0;private $actionEnd = 0;// beforeAction, afterAction 用来记录API请求接口，以及耗时public function beforeAction($action){    $this->actionStart = microtime(true);    return parent::beforeAction($action);    }    public function afterAction($action, $result){    $this->actionEnd = microtime(true);    $afterAction = parent::afterAction($action, $result);    // 记录API请求接口，耗时took    logInfo(print_r(["api" => request()->url, "took" => sprintf("%.5f", $this->actionEnd - $this->actionStart)], true));    return $afterAction;}

（推荐教程：yii框架）

logInfo 日志记录方法，这个方法是对 YII info日志的二次封装

// yii日志组件记录日志if (!function_exists("logInfo")) {    function logInfo($message, $category = "debug")    {        // 记录info日志，用于调试        $logEnable = Yii::$app->params["log_enable"];        if (is_null($logEnable) || $logEnable === false) {            return;        }        Yii::info(sprintf("%s\n\tmemory used %d bytes [%.3f KB]", $message, memory_get_usage(), memory_get_usage()/1024), $category);    }}

日志输出如下：

2019-03-14 02:46:31 [127.0.0.1][-][-][info][debug] Array(    [api] => /protocol?page=1&limit=12&unit=10m&time[]=1551854884755&time[]=1552459684755&q=&es_type=http&src_ip=&src_port=&dst_ip=&dst_port=&sensor_id=&uids=&prs_debug=1    [took] => 0.18194)    memory used 8996368 bytes [8785.516 KB]    in /Users/tophant.yunfei/work/prs-rebirth-php/common/utils/function.php:316    in /Users/tophant.yunfei/work/prs-rebirth-php/backend/controllers/RestBaseController.php:61

Yii-log 配置如下：

[    'class' => 'yii\log\FileTarget',    'levels' => ['info'],    'categories' => ['debug', 'sql', 'elastic', 'py'],    'logVars' => [],    'logFile' => '@runtime/logs/info.log']

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