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
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// 先引入DB
use DB;
// 或者直接使用 \DB::
DB::listen( function ( $sql , $bindings , $time ) {
dump( $sql );
});
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5.2及以上版本
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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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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://blog.csdn.net/fationyyk/article/details/51353041