Laravel5.* 打印出执行的sql语句

来源：互联网发布：php分割字符串编辑：程序博客网时间：2024/05/22 13:13

打开app\Providers\AppServiceProvider.php，在boot方法中添加如下内容

5.2以下版本

// 先引入DB use DB;// 或者直接使用 \DB:: DB::listen(function($sql, $bindings, $time) {                dump($sql);            });

5.2及以上版本

use DB;// 或者直接使用 \DB::// 只能接受一个参数QueryExecuted {#84 ▼  +sql: "select * from `posts` where `slug` = ? limit 1"  +bindings: array:1 [▶]  +time: 0.59  +connection: MySqlConnection {#85 ▶}  +connectionName: "mysql"} DB::listen(function($sql) {                dump($sql);                // echo $sql->sql;                // dump($sql->bindings);            });// 如果要放入日志文件中DB::listen(    function ($sql) {        // $sql is an object with the properties:        //  sql: The query        //  bindings: the sql query variables        //  time: The execution time for the query        //  connectionName: The name of the connection        // To save the executed queries to file:        // Process the sql and the bindings:        foreach ($sql->bindings as $i => $binding) {            if ($binding instanceof \DateTime) {                $sql->bindings[$i] = $binding->format('\'Y-m-d H:i:s\'');            } else {                if (is_string($binding)) {                    $sql->bindings[$i] = "'$binding'";                }            }        }        // Insert bindings into query        $query = str_replace(array('%', '?'), array('%%', '%s'), $sql->sql);        $query = vsprintf($query, $sql->bindings);        // Save the query to file        $logFile = fopen(            storage_path('logs' . DIRECTORY_SEPARATOR . date('Y-m-d') . '_query.log'),            'a+'        );        fwrite($logFile, date('Y-m-d H:i:s') . ': ' . $query . PHP_EOL);        fclose($logFile);    });

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