本文介绍了Laravel5.* 打印出执行的sql语句的方法，分享给大家，具体如下：
打开app\Providers\AppServiceProvider.PHP，在boot方法中添加如下内容
5.2以下版本
rush:PHP;">
// 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
QueryExecuted {#84 ▼
+sql: "select * from
+bindings: array:1 [▶]
+time: 0.59
+connection: MySqlConnection {#85 ▶}
+connectionName: "mysql"
}
+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) {
// $sql is an object with the properties:
// sql: The query
// bindings: the sql query variables
// time: The execution time for the query
// connectionName: The name of the connection
// To save the executed queries to file:
// Process the <a href="https://www.jb51.cc/tag/sql/" target="_blank" class="keywords">sql</a> and the bindings:
foreach ($<a href="https://www.jb51.cc/tag/sql/" target="_blank" class="keywords">sql</a>->bindings as $i => $binding) {
if ($binding instanceof \DateTime) {
$<a href="https://www.jb51.cc/tag/sql/" target="_blank" class="keywords">sql</a>->bindings[$i] = $binding->format('\'Y-m-d H:i:s\'');
} else {
if (is_string($binding)) {
$<a href="https://www.jb51.cc/tag/sql/" target="_blank" class="keywords">sql</a>->bindings[$i] = "'$binding'";
}
}
}
// Insert bindings into query
$query = str_replace(array('%','?'),array('%%','<a href="https://www.jb51.cc/tag/s/" target="_blank" class="keywords">%s</a>'),$<a href="https://www.jb51.cc/tag/sql/" target="_blank" class="keywords">sql</a>-><a href="https://www.jb51.cc/tag/sql/" target="_blank" class="keywords">sql</a>);
$query = vsprintf($query,$<a href="https://www.jb51.cc/tag/sql/" target="_blank" class="keywords">sql</a>->bindings);
// Save the query to file
$logFile = fopen(
storage_path('logs' . DIRECTORY_SEP<a href="https://www.jb51.cc/tag/ara/" target="_blank" class="keywords">ara</a>TOR . date('Y-m-d') . '_query.log'),'a+'
);
fwrite($logFile,date('Y-m-d H:i:s') . ': ' . $query . <a href="https://www.jb51.cc/tag/PHP/" target="_blank" class="keywords">PHP</a>_EOL);
fclose($logFile);}
);