laravel执行php artisan migrate报错的解决方法_php实例_

 $ php artisan migrate Illuminate\Database\QueryException : could not find driver (SQL: select * fr om information_schema.tables where table_schema = dev_oms and table_name = migra tions) at D:\WWW\dev_oms\vendor\laravel\framework\src\Illuminate\Database\Connection. php:664 660| // If an exception occurs when attempting to run a query, we'll format the error 661| // message to include the bindings with SQL, which will make th is exception a 662| // lot more helpful to the developer instead of just the databa se's errors. 663| catch (Exception $e) { > 664| throw new QueryException( 665| $query, $this->prepareBindings($bindings), $e 666| ); 667| } 668| Exception trace: 1 PDOException::("could not find driver") D:\WWW\dev_oms\vendor\laravel\framework\src\Illuminate\Database\Connectors \Connector.php:68 2 PDO::__construct("mysql:host=127.0.0.1;port=3306;dbname=dev_oms", "root", "root", []) D:\WWW\dev_oms\vendor\laravel\framework\src\Illuminate\Database\Connectors \Connector.php:68 Please use the argument -v to see more details.

 $ php artisan migrate Migration table created successfully. Illuminate\Database\QueryException : SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes (SQL: a lter table `users` add unique `users_email_unique`(`email`)) at D:\WWW\dev_oms\vendor\laravel\framework\src\Illuminate\Database\Connection. php:664 660| // If an exception occurs when attempting to run a query, we'll format the error 661| // message to include the bindings with SQL, which will make th is exception a 662| // lot more helpful to the developer instead of just the databa se's errors. 663| catch (Exception $e) { > 664| throw new QueryException( 665| $query, $this->prepareBindings($bindings), $e 666| ); 667| } 668| Exception trace: 1 PDOException::("SQLSTATE[42000]: Syntax error or access violation: 1071 Sp ecified key was too long; max key length is 767 bytes") D:\WWW\dev_oms\vendor\laravel\framework\src\Illuminate\Database\Connection .php:458 2 PDOStatement::execute() D:\WWW\dev_oms\vendor\laravel\framework\src\Illuminate\Database\Connection .php:458 Please use the argument -v to see more details.

 $ php artisan migrate Migration table created successfully. Illuminate\Database\QueryException : SQLSTATE[42000]: Syntax error or access violation: 1071 Specified key was too long; max key length is 767 bytes (SQL: a lter table `users` add unique `users_email_unique`(`email`)) at D:\WWW\dev_oms\vendor\laravel\framework\src\Illuminate\Database\Connection. php:664 660| // If an exception occurs when attempting to run a query, we'll format the error 661| // message to include the bindings with SQL, which will make th is exception a 662| // lot more helpful to the developer instead of just the databa se's errors. 663| catch (Exception $e) { > 664| throw new QueryException( 665| $query, $this->prepareBindings($bindings), $e 666| ); 667| } 668| Exception trace: 1 PDOException::("SQLSTATE[42000]: Syntax error or access violation: 1071 Sp ecified key was too long; max key length is 767 bytes") D:\WWW\dev_oms\vendor\laravel\framework\src\Illuminate\Database\Connection .php:458 2 PDOStatement::execute() D:\WWW\dev_oms\vendor\laravel\framework\src\Illuminate\Database\Connection .php:458 Please use the argument -v to see more details.