为了记录所有执行的查询，可以使用DB:：enableQueryLog（）icw DB:：getQueryLog（（）。输出具有以下结构。

[
  [
    "query" => "select * from "users" where name = ?"
    "bindings" => ["John Doe"]
    "time" => 0.34
  ],
  ...
]

此外，我在这里结合了一些答案，以便获得完美的函数，用编译的绑定解析sql。见下文。我甚至创建了一个实现此功能的自定义生成器类，例如User:：where（'name'，'JohnDoe'）->parse（）；

function parse_sql(string $sql, array $bindings) : string
{
  $compiled_bindings  = array_map('compile_binding', $bindings);

  return preg_replace_array("/\?/", $compiled_bindings, $sql);
}

function compile_binding($binding)
{
  $grammar = new MySqlGrammar;

  if (is_bool($binding))
  {
    return (int)$binding; //This line depends on the database implementation
  }

  if(is_string($binding))
  {
    return "'$binding'";
  }

  if ($binding instanceof DateTimeInterface)
  {
    return $binding->format($grammar->getDateFormat());
  }

  return $binding;
}

如果您使用的不是Laravel，而是Elquent包，那么：

use \Illuminate\Database\Capsule\Manager as Capsule;
use \Illuminate\Events\Dispatcher;
use \Illuminate\Container\Container;

$capsule = new Capsule;

$capsule->addConnection([
    // connection details
]);
// Set the event dispatcher used by Eloquent models... (optional)
$capsule->setEventDispatcher(new Dispatcher(new Container));

// Make this Capsule instance available globally via static methods... (optional)
$capsule->setAsGlobal();

// Setup the Eloquent ORM...(optional unless you've used setEventDispatcher())
$capsule->bootEloquent();

// Listen for Query Events for Debug
$events = new Dispatcher;
$events->listen('illuminate.query', function($query, $bindings, $time, $name)
{
    // Format binding data for sql insertion
    foreach ($bindings as $i => $binding) {
        if ($binding instanceof \DateTime) {
            $bindings[$i] = $binding->format('\'Y-m-d H:i:s\'');
        } else if (is_string($binding)) {
            $bindings[$i] = "'$binding'";`enter code here`
        }
    }

    // Insert bindings into query
    $query = str_replace(array('%', '?'), array('%%', '%s'), $query);
    $query = vsprintf($query, $bindings);

    // Debug SQL queries
    echo 'SQL: [' . $query . ']';
});

$capsule->setEventDispatcher($events);

$data = User::toSql();
echo $data; //this will retrun select * from users. //here User is model

我通过监听查询日志并附加到日志数组来实现：

//create query
$query=DB::table(...)...->where(...)...->orderBy(...)...
$log=[];//array of log lines
...
//invoked on query execution if query log is enabled
DB::listen(function ($query)use(&$log){
    $log[]=$query;//enqueue query data to logs
});
//enable query log
DB::enableQueryLog();
$res=$query->get();//execute

首先，您需要通过调用以下命令来启用查询日志：

DB::enableQueryLog();

使用DB facade查询后，您可以编写：

dd(DB::getQueryLog());

输出如下：

array:1 [▼
  0 => array:3 [▼
    "query" => "select * from `users` left join `website_user` on `users`.`id` = `website_user`.`user_id` left join `region_user` on `users`.`id` = `region_user`.`user_id` left ▶"
    "bindings" => array:5 [▶]
    "time" => 3.79
  ]
]

打印上次查询

DB::enableQueryLog();

$query        = DB::getQueryLog();
$lastQuery    = end($query);
print_r($lastQuery);