1.自定义字段验证错误信息
$this->validate($request,
[‘name‘ => ‘required|max:50‘],
[‘name.required‘ => ‘名称必须‘,‘name.max‘ => ‘名称长度不能大于:max‘]
);
2.简单打印sql语句
DB::connection()->enableQueryLog(); $user = User::find(1); dd(DB::getQueryLog());
原文：http://www.cnblogs.com/itfenqing/p/6935198.html