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thinkphp/library/think/Log.php

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+<?php
+// +----------------------------------------------------------------------
+// | ThinkPHP [ WE CAN DO IT JUST THINK ]
+// +----------------------------------------------------------------------
+// | Copyright (c) 2006~2017 http://thinkphp.cn All rights reserved.
+// +----------------------------------------------------------------------
+// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
+// +----------------------------------------------------------------------
+// | Author: liu21st <liu21st@gmail.com>
+// +----------------------------------------------------------------------
+
+namespace think;
+
+use think\exception\ClassNotFoundException;
+
+/**
+ * Class Log
+ * @package think
+ *
+ * @method void log($msg) static
+ * @method void error($msg) static
+ * @method void info($msg) static
+ * @method void sql($msg) static
+ * @method void notice($msg) static
+ * @method void alert($msg) static
+ */
+class Log
+{
+    const LOG    = 'log';
+    const ERROR  = 'error';
+    const INFO   = 'info';
+    const SQL    = 'sql';
+    const NOTICE = 'notice';
+    const ALERT  = 'alert';
+    const DEBUG  = 'debug';
+
+    // 日志信息
+    protected static $log = [];
+    // 配置参数
+    protected static $config = [];
+    // 日志类型
+    protected static $type = ['log', 'error', 'info', 'sql', 'notice', 'alert', 'debug'];
+    // 日志写入驱动
+    protected static $driver;
+
+    // 当前日志授权key
+    protected static $key;
+
+    /**
+     * 日志初始化
+     * @param array $config
+     */
+    public static function init($config = [])
+    {
+        $type         = isset($config['type']) ? $config['type'] : 'File';
+        $class        = false !== strpos($type, '\\') ? $type : '\\think\\log\\driver\\' . ucwords($type);
+        self::$config = $config;
+        unset($config['type']);
+        if (class_exists($class)) {
+            self::$driver = new $class($config);
+        } else {
+            throw new ClassNotFoundException('class not exists:' . $class, $class);
+        }
+        // 记录初始化信息
+        App::$debug && Log::record('[ LOG ] INIT ' . $type, 'info');
+    }
+
+    /**
+     * 获取日志信息
+     * @param string $type 信息类型
+     * @return array
+     */
+    public static function getLog($type = '')
+    {
+        return $type ? self::$log[$type] : self::$log;
+    }
+
+    /**
+     * 记录调试信息
+     * @param mixed  $msg  调试信息
+     * @param string $type 信息类型
+     * @return void
+     */
+    public static function record($msg, $type = 'log')
+    {
+        self::$log[$type][] = $msg;
+        if (IS_CLI) {
+            // 命令行下面日志写入改进
+            self::save();
+        }
+    }
+
+    /**
+     * 清空日志信息
+     * @return void
+     */
+    public static function clear()
+    {
+        self::$log = [];
+    }
+
+    /**
+     * 当前日志记录的授权key
+     * @param string $key 授权key
+     * @return void
+     */
+    public static function key($key)
+    {
+        self::$key = $key;
+    }
+
+    /**
+     * 检查日志写入权限
+     * @param array $config 当前日志配置参数
+     * @return bool
+     */
+    public static function check($config)
+    {
+        if (self::$key && !empty($config['allow_key']) && !in_array(self::$key, $config['allow_key'])) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * 保存调试信息
+     * @return bool
+     */
+    public static function save()
+    {
+        if (!empty(self::$log)) {
+            if (is_null(self::$driver)) {
+                self::init(Config::get('log'));
+            }
+
+            if (!self::check(self::$config)) {
+                // 检测日志写入权限
+                return false;
+            }
+
+            if (empty(self::$config['level'])) {
+                // 获取全部日志
+                $log = self::$log;
+                if (!App::$debug && isset($log['debug'])) {
+                    unset($log['debug']);
+                }
+            } else {
+                // 记录允许级别
+                $log = [];
+                foreach (self::$config['level'] as $level) {
+                    if (isset(self::$log[$level])) {
+                        $log[$level] = self::$log[$level];
+                    }
+                }
+            }
+
+            $result = self::$driver->save($log);
+            if ($result) {
+                self::$log = [];
+            }
+            Hook::listen('log_write_done', $log);
+            return $result;
+        }
+        return true;
+    }
+
+    /**
+     * 实时写入日志信息 并支持行为
+     * @param mixed  $msg   调试信息
+     * @param string $type  信息类型
+     * @param bool   $force 是否强制写入
+     * @return bool
+     */
+    public static function write($msg, $type = 'log', $force = false)
+    {
+        $log = self::$log;
+        // 封装日志信息
+        if (true === $force || empty(self::$config['level'])) {
+            $log[$type][] = $msg;
+        } elseif (in_array($type, self::$config['level'])) {
+            $log[$type][] = $msg;
+        } else {
+            return false;
+        }
+
+        // 监听log_write
+        Hook::listen('log_write', $log);
+        if (is_null(self::$driver)) {
+            self::init(Config::get('log'));
+        }
+        // 写入日志
+        $result = self::$driver->save($log);
+        if ($result) {
+            self::$log = [];
+        }
+        return $result;
+    }
+
+    /**
+     * 静态调用
+     * @param $method
+     * @param $args
+     * @return mixed
+     */
+    public static function __callStatic($method, $args)
+    {
+        if (in_array($method, self::$type)) {
+            array_push($args, $method);
+            return call_user_func_array('\\think\\Log::record', $args);
+        }
+    }
+
+}