laravel 执行生成迁移时报错：
[ErrorException] include(D:\wnmp\www\laravel-5-3-dev\vendor\composer/../../database/migrations/2016_11_27_181313_create_articles_table.php): failed to open stream: No such file or directory类似上面的错误的时候，执行如下命令：
composer dump-autoload 执行这个就 ok 了！