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yii2 log输出到file及database

编辑config/web.php

首先log要开启

    ‘bootstrap‘ => [
        ‘log‘
    ],

  

 

[file]

    ‘components‘ => [
        ‘log‘ => [
            ‘targets‘ => [
                [
                    ‘class‘ => ‘yii\log\FileTarget‘,
                    ‘exportInterval‘ => 1,
                ],
            ],
        ],

  

默认输出到runtime/logs/app.log

注意webserver或控制台用户要有写入该文件的权限

 

[database]

        ‘log‘ => [
            ‘targets‘ => [
                [
                    ‘class‘ => ‘yii\log\DbTarget‘,
                    ‘levels‘ => [‘error‘, ‘warning‘, ‘trace‘],
                ]
            ]
        ],

 

默认输出db组件对应的数据库下{{%log}}表

 

yii2根目录下运行下面命令生成对应的table schema

./yii migrate --migrationPath=@yii/log/migrations/

注意config/console.php下也要有和web.php同样的配置,否则命令执行不成功。

 

还可以根据不同的环境配置不同的日志模式

    ‘components‘ => [
        ‘log‘ => [
            ‘traceLevel‘ => YII_ENV == ‘dev‘ ? 3 : 0,
            ‘targets‘ => [
                [
                    ‘class‘ => ‘yii\log\DbTarget‘,
                    ‘levels‘ => YII_DEBUG ? [‘error‘, ‘warning‘, ‘trace‘] : [‘error‘],
                ],
                [
                    ‘class‘ => ‘yii\log\FileTarget‘,
                    ‘levels‘ => YII_DEBUG ? [‘error‘, ‘warning‘, ‘trace‘] : [‘error‘, ‘warning‘],
                ],
            ],
        ],
    ],

  

yii2 log输出到file及database