使用laravel执行php时出现artisan migrate报错如何解决？针对这个问题，这篇文章详细介绍了相对应的分析和解答，希望可以帮助更多想解决这个问题的小伙伴找到更简单易行的方法。
报错一
计算
安全
数据库
网络和加速
企业服务
$ 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.加上两行代码即可
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