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這期內容當中小編將會給大家帶來有關如何在tp5框架中利用composer實現一個日志記錄功能,文章內容豐富且以專業的角度為大家分析和敘述,閱讀完這篇文章希望大家可以有所收獲。
tp5實現日志記錄
1.安裝 psr/log
composer require psr/log
它的作用就是提供一套接口,實現正常的日志功能!
我們可以來細細的分析一下,LoggerInterface.php
<?php namespace Psr\Log; /** * Describes a logger instance. * * The message MUST be a string or object implementing __toString(). * * The message MAY contain placeholders in the form: {foo} where foo * will be replaced by the context data in key "foo". * * The context array can contain arbitrary data. The only assumption that * can be made by implementors is that if an Exception instance is given * to produce a stack trace, it MUST be in a key named "exception". * * See https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md * for the full interface specification. */ interface LoggerInterface { /** * System is unusable. * * @param string $message * @param array $context * * @return void */ public function emergency($message, array $context = array()); /** * Action must be taken immediately. * * Example: Entire website down, database unavailable, etc. This should * trigger the SMS alerts and wake you up. * * @param string $message * @param array $context * * @return void */ public function alert($message, array $context = array()); /** * Critical conditions. * * Example: Application component unavailable, unexpected exception. * * @param string $message * @param array $context * * @return void */ public function critical($message, array $context = array()); /** * Runtime errors that do not require immediate action but should typically * be logged and monitored. * * @param string $message * @param array $context * * @return void */ public function error($message, array $context = array()); /** * Exceptional occurrences that are not errors. * * Example: Use of deprecated APIs, poor use of an API, undesirable things * that are not necessarily wrong. * * @param string $message * @param array $context * * @return void */ public function warning($message, array $context = array()); /** * Normal but significant events. * * @param string $message * @param array $context * * @return void */ public function notice($message, array $context = array()); /** * Interesting events. * * Example: User logs in, SQL logs. * * @param string $message * @param array $context * * @return void */ public function info($message, array $context = array()); /** * Detailed debug information. * * @param string $message * @param array $context * * @return void */ public function debug($message, array $context = array()); /** * Logs with an arbitrary level. * * @param mixed $level * @param string $message * @param array $context * * @return void */ public function log($level, $message, array $context = array()); }
這是一套日志正常的接口,有層級,有消息,有具體的內容。
LogLevel.php
<?php namespace Psr\Log; /** * Describes log levels. */ class LogLevel { const EMERGENCY = 'emergency'; const ALERT = 'alert'; const CRITICAL = 'critical'; const ERROR = 'error'; const WARNING = 'warning'; const NOTICE = 'notice'; const INFO = 'info'; const DEBUG = 'debug'; }
定義一些錯誤常量。
AbstractLogger.php實現接口
<?php namespace Psr\Log; /** * This is a simple Logger implementation that other Loggers can inherit from. * * It simply delegates all log-level-specific methods to the `log` method to * reduce boilerplate code that a simple Logger that does the same thing with * messages regardless of the error level has to implement. */ abstract class AbstractLogger implements LoggerInterface { /** * System is unusable. * * @param string $message * @param array $context * * @return void */ public function emergency($message, array $context = array()) { $this->log(LogLevel::EMERGENCY, $message, $context); } /** * Action must be taken immediately. * * Example: Entire website down, database unavailable, etc. This should * trigger the SMS alerts and wake you up. * * @param string $message * @param array $context * * @return void */ public function alert($message, array $context = array()) { $this->log(LogLevel::ALERT, $message, $context); } /** * Critical conditions. * * Example: Application component unavailable, unexpected exception. * * @param string $message * @param array $context * * @return void */ public function critical($message, array $context = array()) { $this->log(LogLevel::CRITICAL, $message, $context); } /** * Runtime errors that do not require immediate action but should typically * be logged and monitored. * * @param string $message * @param array $context * * @return void */ public function error($message, array $context = array()) { $this->log(LogLevel::ERROR, $message, $context); } /** * Exceptional occurrences that are not errors. * * Example: Use of deprecated APIs, poor use of an API, undesirable things * that are not necessarily wrong. * * @param string $message * @param array $context * * @return void */ public function warning($message, array $context = array()) { $this->log(LogLevel::WARNING, $message, $context); } /** * Normal but significant events. * * @param string $message * @param array $context * * @return void */ public function notice($message, array $context = array()) { $this->log(LogLevel::NOTICE, $message, $context); } /** * Interesting events. * * Example: User logs in, SQL logs. * * @param string $message * @param array $context * * @return void */ public function info($message, array $context = array()) { $this->log(LogLevel::INFO, $message, $context); } /** * Detailed debug information. * * @param string $message * @param array $context * * @return void */ public function debug($message, array $context = array()) { $this->log(LogLevel::DEBUG, $message, $context); } }
Logger.php繼承AbstractLogger.php
<?php namespace Psr\Log; use app\index\model\LogModel; /** * This Logger can be used to avoid conditional log calls. * * Logging should always be optional, and if no logger is provided to your * library creating a NullLogger instance to have something to throw logs at * is a good way to avoid littering your code with `if ($this->logger) { }` * blocks. */ class Logger extends AbstractLogger { /** * Logs with an arbitrary level. * * @param mixed $level * @param string $message * @param array $context * * @return void */ public function log($level, $message, array $context = array()) { // noop $logModel = new LogModel(); $logModel->add($level,$message,json_encode($context)); echo $logModel->id; } }
這里面的log方法是我自己寫的!!!
我們需要把日志存儲到數據庫中!!!
這里我設計了一個log表,包含id、level、message、 context、ip、url、create_on等。
我創建了一個LogModel.php
<?php /** * @author: jim * @date: 2017/11/16 */ namespace app\index\model; use think\Model; /** * Class LogModel * @package app\index\model * * 繼承Model之后,就可以使用繼承它的屬性和方法 * */ class LogModel extends Model { protected $pk = 'id'; // 配置主鍵 protected $table = 'log'; // 默認的表名是log_model public function add($level = "error",$message = "出錯啦",$context = "") { $this->data([ 'level' => $level, 'message' => $message, 'context' => $context, 'ip' => getIp(), 'url' => getUrl(), 'create_on' => date('Y-m-d H:i:s',time()) ]); $this->save(); return $this->id; } }
一切都準備好了,可以在控制器中使用了!
<?php namespace app\index\controller; use think\Controller; use Psr\Log\Logger; class Index extends Controller { public function index() { $logger = new Logger(); $context = array(); $context['err'] = "缺少參數id"; $logger->info("有新消息"); } public function _empty() { return "empty"; } }
小結:
composer很好很強大!
這里是接口Interface的典型案例,定義接口,定義抽象類,定義具體類。
有了命名空間,可以很好的引用不同文件夾下的庫!
互相使用,能夠防止高內聚!即便是耦合也相對比較獨立!
有了這個日志小工具,平時接口的一些報錯信息就能很好的捕捉了!
只要
use Psr\Log\Logger;
然后
$logger = new Logger(); $logger->info("info信息");
使用非常方便!!!
附上獲取ip、獲取url的方法。
//獲取用戶真實IP function getIp() { if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown")) $ip = getenv("HTTP_CLIENT_IP"); else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown")) $ip = getenv("HTTP_X_FORWARDED_FOR"); else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown")) $ip = getenv("REMOTE_ADDR"); else if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown")) $ip = $_SERVER['REMOTE_ADDR']; else $ip = "unknown"; return ($ip); } // 獲取url function getUrl() { return 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"]; }
上述就是小編為大家分享的如何在tp5框架中利用composer實現一個日志記錄功能了,如果剛好有類似的疑惑,不妨參照上述分析進行理解。如果想知道更多相關知識,歡迎關注億速云行業資訊頻道。
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