报错一

$ 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.

原因是php.ini 扩展"php_pdo_mysql.dll"没开启

报错二

$ 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.

数据库编码改为utf8mb4

报错三

$ 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.